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| RP | kanavin_home: ^^^ | 00:05 |
|---|---|---|
| RP | not sure if anyone has insight into what cflags.SH is doing :/ | 00:05 |
| * RP -> Zzzz | 00:05 | |
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| yocti | New news from stackoverflow: How to build debug libraries for Qt in Yocto SDK? <https://stackoverflow.com/questions/60292189/how-to-build-debug-libraries-for-qt-in-yocto-sdk> | 02:42 |
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| LetoThe2nd | kanavin_home: i can donate an ec2 instance for some hours or days in case of emergency. | 08:27 |
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| freeuser | hello, I have a question about yocto and SDK. If I add a library ( called LIB for example ) to my image, it will be generated automaticaly with the SDK ? or I should add it manualy to SDK before bitbake it ? | 08:37 |
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| LetoThe2nd | freeuser: if something is in the image, it is automatically also included in the sdk | 08:42 |
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| freeuser | LetoThe2nd okey, than, if I want to use this SDK to compile a program which needs this LIB , should I add the include directorie path and the .LIB path to the configuration of my project ? Or just use the SDK ? I am confused about that because SDK contains all the headers and the libraries of LIB | 08:44 |
| freeuser | as I guess | 08:45 |
| LetoThe2nd | freeuser: "jsut use the sdk" | 08:45 |
| LetoThe2nd | that exactly what the environment setup script of the sdk is for, getting all the paths and flags right | 08:45 |
| qschulz | freeuser: and if that does not work, most likely your cmake/makefile/whatever buildsystem you're using is messing with the flags and you should fix this and not yocto :) | 08:45 |
| LetoThe2nd | your project on the other hand is supposed to properly handle such | 08:46 |
| LetoThe2nd | qschulz: dang you were faster | 08:46 |
| LetoThe2nd | freeuser: and, for reasons unknown, this is almost the thing that i'll be talking about tonight in the live coding session :) | 08:46 |
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| LetoThe2nd | if i happen to have overtime i can even look at the sdk. yet there is already an episode that explains in-target vs. sdk vs. esdk, so be sure to watch it. | 08:47 |
| freeuser | LetoThe2nd qschulz okey thank you very much | 08:48 |
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| LetoThe2nd | freeuser: https://twitter.com/TheYoctoJester/status/1229325758952345600 | 08:50 |
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| freeuser | LetoThe2nd thanks | 09:07 |
| freeuser | qschulz as you have mentioned, when I try to use SDK withoud specifying the path of includes and libraries, CMake project can not find the headers I need | 09:08 |
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| yocti | New news from stackoverflow: simlink in eSDK sysroot points to a non existent path <https://stackoverflow.com/questions/60116183/simlink-in-esdk-sysroot-points-to-a-non-existent-path> | 09:13 |
| LetoThe2nd | freeuser: the sdk comes with the env setup script for a reason. | 09:15 |
| freeuser | LetoThe2nd I have sourced the env setup script on the machine which holding the sdk. And I added than the path of the SDK without adding the includes and lib paths | 09:17 |
| LetoThe2nd | freeuser: i don't think thats right. | 09:18 |
| LetoThe2nd | freeuser: you have source it not somewhere, but in the very shell session that you want to build in. | 09:18 |
| freeuser | LetoThe2nd My SDK is located on my machine A. I use the path of this SDK on my machine B. So I need to source it on my machine B instead of A ? | 09:20 |
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| LetoThe2nd | you have to source it in the exact session that you want to build in, no matter where it runs. | 09:21 |
| LetoThe2nd | and if you have diverging pathes to the install location, then you are doomed anyways. | 09:22 |
| freeuser | LetoThe2nd I will make a try | 09:22 |
| LetoThe2nd | in general i'd say, the sdk is meant to be install and used on the same instance (for instance being any kind of linux environment) | 09:22 |
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| yocti | New news from stackoverflow: modemmanager gsm registration timeout <https://stackoverflow.com/questions/57586605/modemmanager-gsm-registration-timeout> | 09:43 |
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| meego | has anyone kept tabs on which companies have cancelled their participation to Embedded World ? From what i can tell, ARM, Digikey and Arrow have cancelled already. | 10:07 |
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| mckoan | meego: AFAIK aldo ST, Xilinx and Atmel/Microchip | 10:11 |
| mckoan | *also | 10:12 |
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| yocti | New news from stackoverflow: My CMake project using SDK can't find boost library <https://stackoverflow.com/questions/60297265/my-cmake-project-using-sdk-cant-find-boost-library> | 10:13 |
| mckoan | meego: https://www.cnx-software.com/2020/02/13/mwc-2020-cancelled-stmicro-withdraws-from-embedded-world-2020-due-to-covid-19/ | 10:16 |
| JaMa | is git://git.pokylinux.org/poky still supposed to be updated? | 10:24 |
| JaMa | halstead: hi, pulling from git://git.pokylinux.org/poky and git://git.yoctoproject.org/poky gives different master branch now, is something broken or is there some expected delay/caching involved? | 10:27 |
| JaMa | the yp.org one is 82 commits newer | 10:28 |
| halstead | JaMa: the pokylinux.org domain is out of date and pointed at the wrong servers. I'll get that changed. | 10:29 |
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| mckoan | meego: https://www.eetimes.eu/coronavirus-live-news-coverage/ | 10:45 |
| meego | mckoan: perfect link, thanks. So NPXP & Renesas too… :/ | 10:47 |
| meego | (typo: NPXP => NXP) | 10:48 |
| JaMa | halstead: thanks, I'll switch to new domain (I guess I've created this checkout very long time ago :)) | 10:53 |
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| dv|2 | I have strange error trying to build SDK: Exception: FileNotFoundError: [Errno 2] No such file or directory: '/disk2/build.24/tmp/work/tppg2-tps-linux-gnueabi/img-sp-tssz/1.0-r1/sdk/image/opt/tps/2.7-20200219/sysroots/x86_64-tpssdk-linux/usr/lib/locale | 11:15 |
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| fbre | Hi, my yocto user space program calls uint8_t* data = (uint8_t*)mmap((void*)0, desired_total_data_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_HUGE_2MB, -1, 0); and I get a null pointer as valid memory address. Is this a known issue? AFAIK mmap should only return null pointers if I set the MAP_FIXED flag. | 12:25 |
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| PinkSnake | Hi all, i'm stuck on samba config (Checking for system pyldb-util.cpython-37m-aarch64-linux-gnu (>=1.5.6 <=1.5.999) : not found) and I don't understand the issue :S any help ? :) | 12:28 |
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| mckoan | fbre: perhaps OT | 12:50 |
| LetoThe2nd | its at least not exactly yocto inself. but if somebody happens to know :) | 12:55 |
| fbre | I just thought it's a known issue within the yocto distro or something | 12:57 |
| LetoThe2nd | fbre: i highly doubt that its caused by the distro in itself, rather than maybe some kernel config or security measurement that you added. | 12:58 |
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| tlwoerner | armpit: is there a non-zero chance of a patch being applied to 2.4-rocko or 2.3-pyro? | 13:12 |
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| zeddii | RP: fixed that on target module issue. build 929 looks better. what (if any) were the known failures ? | 13:30 |
| RP | zeddii: no idea at this point | 13:35 |
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| RP | zeddii: suspect we just need to retest | 13:58 |
| zeddii | I started a second build to see what I get without my changes. | 13:58 |
| RP | zeddii: that looks like master, couldn't you just compare with last nights build? | 13:59 |
| RP | zeddii: master should be ok? | 13:59 |
| zeddii | I had meant to push one fix, but yah, I see that it is just master now. I’ll stop that build and find one of the others to check. | 14:00 |
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| zeddii | I can never figure out where to pull the settings out of those builds, is there a tab that I'm not clicking that I should to see the machine and other conf values ? or should I be cloning a config repo ? | 14:09 |
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| RP | zeddii: look at the stdio log | 14:14 |
| RP | JPEW: that last perl determinism thing looks like a makefile race in the end :/ | 14:15 |
| zeddii | aha | 14:15 |
| RP | zeddii: I want to improve the autobuilder output but until the current day to day issues get sorted I don't have the bandwidth :/ | 14:19 |
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| JPEW | RP: Ugh, perl | 14:37 |
| RP | JPEW: yes, I've filed it upstream | 14:39 |
| RP | JPEW: nice to understand it at least | 14:39 |
| sveinse | What is the correct ownership for installed files with in yocto recipes? 0.0 ? | 14:40 |
| RP | sveinse: usually, yes | 14:40 |
| sveinse | Is do_install running under a UID=0-ish environment? Thus allow me to use $USER as the UID to use? | 14:42 |
| RP | sveinse: its running under pseudo which fakes a root like environment | 14:46 |
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| sveinse | RP: Do you have to do anything special to enable pseudo on install or is it enabled by default? If I run 'id' in do_install() I get "uid=0(root) gid=0(root) groups=0(root)" which is as expected, yet a "mkdir -p" on the next line produces dirs with my user uid and gid. Any ideas what I can do? | 14:54 |
| qschulz | What's that AUH mail on the ML? | 14:57 |
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| RP | sveinse: in the do_install try a "ls -la" and see what that says? | 14:59 |
| RP | sveinse: obviously it can't really make things owned by root so you have to check under the fake environment | 14:59 |
| RP | qschulz: Automated Update Helper | 15:00 |
| qschulz | RP: yes, but what's the purpose of this mail? | 15:04 |
| qschulz | Is there anything to be done? Was anything done? E.g. is this something which updates recipes if upstream's been updated and test a build? In which case success are actual commits made and pushed somewhere? the fails have to be investigated yes, no? I understand this is useful to you/maintainers but it feels very "out-of-the-blue" and out of context for me, basic user :) | 15:06 |
| sveinse | RP: ah yes, of course, sorry I should of thouht of that. Thanks. | 15:08 |
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| zeddii | RP: potentially stupid question, but can the testimage run be made to use slirp via some setting I'm not seeing ? my local multilib test image effort is failing at tap creation. | 15:13 |
| * zeddii cracks open the class | 15:14 | |
| * zeddii finds TEST_RUNQEMUPARAMS | 15:17 | |
| RP | qschulz: the listed maintainers get email with the output of the system which they're meant to do something with | 15:18 |
| RP | qschulz: that mailing list gets a summary of what happened | 15:18 |
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| qschulz | RP: could a little bit more context be added at the top of the mail so that everyone has your answer? Also, why not post what the maintainers receive in that mail as well? Package upgrades could be a beginner task right? I guess some patches could be more or less straightforward? | 15:20 |
| qschulz | RP: thanks for the answer btw | 15:20 |
| RP | qschulz: yes we could add something to it. Patches welcome or a bug to do that(maybe with proposed text) | 15:20 |
| zeddii | crap. I can't run the multlib test on my builders. | 15:20 |
| RP | qschulz: typically we've not spammed the list with the patches but perhaps we should | 15:21 |
| zeddii | no X installed and there probably won't be. hmmm. | 15:21 |
| * zeddii tries nographic on the qemu params | 15:21 | |
| RP | zeddii: we don't use slirp by default since its a major pain for various reasons. People have tried to make it work, I'm unaware of anyone who succeeded | 15:21 |
| zeddii | I only use slirp :D | 15:21 |
| * zeddii loathes tuns and taps | 15:22 | |
| RP | we've gotten a long way using them on the autobuilder | 15:22 |
| zeddii | but yah. doesn't look like slirp will work for the run, it just failed to get an ip. that rules out my builders for now. I'll have to ponder. | 15:23 |
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| * RP gives marka a stern stare | 15:26 | |
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| fray | lol | 15:31 |
| qschulz | RP: is there any link to gstreamer ML/github for the setcap patch? (I see it's upstream-status = pending but missing a URL somewhere) | 15:32 |
| fray | we all give marka stern stares.. | 15:32 |
| RP | fray: he broke the build ;-) | 15:32 |
| fray | ok, and even more stern stare then | 15:32 |
| RP | qschulz: Pending means we need to submit so its not there | 15:32 |
| qschulz | RP: /me facepalms | 15:33 |
| RP | qschulz: I'd love someone with better meson knowledge or better upstream knowledge to submit it... | 15:40 |
| LetoThe2nd | live coding session about to start in 20 minutes! :-) | 15:40 |
| qschulz | RP: none here unfortunately :( | 15:40 |
| RP | qschulz: That patch is the sum of my meson experience ;-) | 15:43 |
| qschulz | (I meant, *I* don't have any knowledge in that) | 15:45 |
| RP | qschulz: right, I'm just meaning it isn't hard to pick up... | 15:47 |
| qschulz | Oh, I smell good stuff in Mark's mail. I'll read tomorrow morning with a fresh and rested brain. | 15:48 |
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| LetoThe2nd | live coding session about to start in 5 minutes! :-) | 15:55 |
| qschulz | LetoThe2nd: https://www.twitch.tv/letoatreidesthe2nd/ | 15:56 |
| LetoThe2nd | qschulz: thx. | 15:56 |
| sveinse | What can I do if I get install error on a image. "Package packagegroup-product-base required crda, but none not the providers can be installed", yet crda is built and is available. How can I debug this? | 15:56 |
| qschulz | sveinse: there usually is a bit more messages i think | 15:57 |
| sveinse | qschulz: Only solution proposals removing my package groups (which I need) | 15:57 |
| mcfrisk | sveinse: check that packagegroup is not mixing recipe and binary package names. DEPENDS is for recipe names, RDEPENDS is for binary package names. | 15:58 |
| paulbarker | sveinse: I've ran into this recently, the error messages from opkg aren't always very helpful. What distro and branch are you using? | 15:58 |
| sveinse | paulbarker: zeus, but custom distro overlay on poky | 16:00 |
| paulbarker | If it's the same as I saw on thud with Arago distro, the root cause is wireless-regdb and wireless-regdb-static conflicting | 16:00 |
| sveinse | I assume there is a dependency missing or conflicting that I need to hunt down somehow | 16:01 |
| sveinse | paulbarker: right, I'll check that, thanks | 16:01 |
| paulbarker | crda depends on wireless-regdb | 16:01 |
| qschulz | LetoThe2nd: o/ | 16:01 |
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| sveinse | paulbarker: in my system wireless-redb RPROVIDES wireless-regdb-static it seems | 16:04 |
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| sveinse | paulbarker: but you're right: I removed crdb from my top-level packagegroup and now it installs. In the resulting image I've got wireless-regdb-static, so something pulls that in. Thanks! | 16:07 |
| paulbarker | I guess crda isn't needed any more with recent kernels but tbh I've not looked into it too deeply | 16:09 |
| paulbarker | sveinse: looks like they still conflict on master: https://git.openembedded.org/openembedded-core/tree/meta/recipes-kernel/wireless-regdb/wireless-regdb_2019.06.03.bb#n28 | 16:10 |
| marka | fray: RP: unfortunately I deserved the stares | 16:11 |
| marka | I will try to make up for it | 16:12 |
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| RP | marka: its all too easily done | 16:27 |
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| * zeddii hands marka a paper bag | 16:33 | |
| zeddii | RP: looks like I misread that multilib failure. I didn't realize it was running more than one multlib test. bugger. I couldnt' even make the simple one work. | 16:34 |
| RP | zeddii: most of the builds run a succession of different tests | 16:35 |
| RP | zeddii: it should print the config for each one | 16:35 |
| zeddii | yah, I noticed that after doing the first one. the error implies it is the last one that blew up. which I think may be my old friend mips64 | 16:35 |
| RP | zeddii: thinking about it I think I can make this output easier to use | 16:36 |
| zeddii | ah yes. 6c is mips 64. I'll try that here, and then ping our mips64 friends if it isn't obvious. | 16:37 |
| marka | zeddii: the paper bag got wet and now I am trapped | 16:37 |
| zeddii | better than plastic, you'll survive (and the eco warriors won't come for you). | 16:37 |
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| qschulz | LetoThe2nd: o/ | 16:43 |
| qschulz | LetoThe2nd: NOT FOR THE WEDDING ANNOUNCEMENT | 16:44 |
| mckoan | qschulz: LOL | 16:44 |
| khem | RP: I was looking at latest binutils patch from you on nativesdk relocation, this code has changed upstream | 16:45 |
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| khem | RP: see https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=ef8f08ca13f6c111cc549a3e13be5c5e2d95ca82 | 16:46 |
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| khem | RP: bug is here https://sourceware.org/bugzilla/show_bug.cgi?id=25477 | 16:48 |
| yocti | Bug 25477: was not found. | 16:48 |
| RP | khem: hmm, interesting. I wonder if that helps us or not | 16:48 |
| khem | I wonder if we need your patch still | 16:48 |
| RP | khem: I suspect prefix won't relocate to where we need it :( | 16:49 |
| khem | prefix is from --sysroot I believe ? | 16:50 |
| khem | in that relocation patch hardcodes it to -DSYSCONFDIR which might break --sysroot logic | 16:51 |
| RP | zeddii: going forward, builds will be like https://autobuilder.yoctoproject.org/typhoon/#/builders/15/builds/1833 where the step1b log has the config at the start | 16:51 |
| RP | khem: --sysroot is not what we want here | 16:51 |
| RP | khem: we want the build sysroot, not the target | 16:51 |
| khem | right, my question is how it is supposed to work | 16:52 |
| khem | SRC_URI_append_class-nativesdk | 16:52 |
| khem | I see | 16:52 |
| RP | zeddii: http://git.yoctoproject.org/cgit.cgi/yocto-autobuilder-helper/commit/?id=89633facc462219020ae98f0c5ce9c2b39a29875 | 16:52 |
| RP | khem: right, I only changed the build we needed to change | 16:53 |
| khem | and nativesdk will always be relocated | 16:53 |
| khem | unless folks install it once and then copy the install tree around | 16:53 |
| RP | khem: if they do that other things will break | 16:53 |
| khem | yes | 16:54 |
| RP | khem: we really need to talk to the gcc people about what we need and how to do it all properly | 16:54 |
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| khem | yeah perhaps GNU couldron attendence will help | 16:55 |
| khem | all GNU toolchain folks are there | 16:55 |
| RP | khem: hmm, paris in June | 16:56 |
| LetoThe2nd | mckoan: thanks for the input! | 16:59 |
| LetoThe2nd | i know the topic was a bit unconventional today, but hopefully it helps the newcomers :) | 17:04 |
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| qschulz | LetoThe2nd: there's always someone who will find value in your articles/videos, don't worry if it didn't attract many people or make people interact on the chat. | 17:09 |
| LetoThe2nd | qschulz: hehe, it was more meant as a reason why i chose to talk about it :) | 17:11 |
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| LetoThe2nd | qschulz: lately i conclude that most views accumulate on youtube anyways. i usually get 200 on a new video in the first week, or so. | 17:11 |
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| * RP spots how one of the mystery ab failures happens | 17:21 | |
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| mckoan | LetoThe2nd: YW | 17:49 |
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| khem | RP: sent a binutils 2.34 update patch give it a shot when AB is free | 18:10 |
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| khem | RP: I am running builds in parallel, its not DOA so far | 18:10 |
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| khem | oh now I see a problem :) | 18:10 |
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| khem | libtool: Version mismatch error. | 18:11 |
| RP | khem: I'll wait on the next version ;-) | 18:13 |
| khem | yes soonish | 18:15 |
| khem | there are so many ways we build binutils | 18:16 |
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| kanavin_home | RP: I suppose there's nothing right now I need to look at? | 18:21 |
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| kanavin_home | I can't do anything from work yet, and should be careful with doing yocto stuff at home as family is not keen on that :) | 18:22 |
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| JPEW | RP: Would you mind doing a build of meta-mingw/master-next on the AB when it is convenient? | 18:23 |
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| armpit | JPEW, meta-mingw master-next build finished 40 minutes ago for that branch. do you need another build? | 18:32 |
| armpit | JPEW, ah so you want the gcc changes | 18:33 |
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| RP | kanavin_home: Nothing urgent, just the general bug backlog now.... | 18:34 |
| RP | JPEW: running | 18:35 |
| RP | armpit: that was earlier to test a fix I pushed there | 18:35 |
| JPEW | RP: Thanks! | 18:35 |
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| JPEW | RP: What was the mystery failure? | 18:36 |
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| RP | JPEW: the _signal_ one from selftest | 18:37 |
| RP | turned out to be our broken code :( | 18:37 |
| * RP is in the process of deleting it | 18:37 | |
| RP | kanavin_home and rburton would be proud | 18:37 |
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| * RP suspects he couldn't get away with deleting the svn fetcher | 18:48 | |
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| paulbarker | RP: Sadly I've still got clients using that | 18:51 |
| paulbarker | At least it's not p4 | 18:52 |
| RP | paulbarker: I wish the people use it would fix it and send patches and maybe improve the test suite | 18:52 |
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| paulbarker | RP: I'm a bit limited with what I can do with this one but I may be able to at least run the test suite in their context | 18:56 |
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| RP | JPEW: Is https://bugzilla.yoctoproject.org/show_bug.cgi?id=13733 still an issue or not with the various patches? | 19:06 |
| yocti | Bug 13733: normal, Medium+, 3.1 M3, JPEWhacker, NEW , Reproducibility issue in perl on ubuntu1604 | 19:06 |
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| khem | RP: do you have a binutils build handy for x86_64 ? | 19:14 |
| JPEW | RP: That was the encode modules using host compiler to determine how to generate code | 19:14 |
| khem | I need to see output of <cross>-ld -m1 for x86_64 cross binutils on master if anyone has handy | 19:15 |
| RP | khem: yes | 19:16 |
| JPEW | RP: So I believe it's fixed. I believe all the perl reproducibility bugs I'm aware of have been fixed | 19:16 |
| RP | JPEW: that was my thought too. We could probably close that one then | 19:16 |
| RP | JPEW: thanks, I'll close? (or you can?) | 19:17 |
| JPEW | RP Will do | 19:17 |
| khem | RP: I am trying to get rid of patch for enabling pe targets so if you have ld built on master and can see what says with ld -m1 will help me | 19:17 |
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| RP | khem: ./recipe-sysroot-native/usr/bin/x86_64-poky-linux/x86_64-poky-linux-ld: unrecognised emulation mode: 1 | 19:18 |
| RP | Supported emulations: elf_x86_64 elf32_x86_64 elf_i386 elf_iamcu elf_l1om elf_k1om i386pe i386pep | 19:18 |
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| khem | RP: perfect thanks | 19:22 |
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| khem | RP: sent V2 now | 19:28 |
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| khem | RP: wait for v3 now I am seeing a target build fail | 19:51 |
| JBook_SE | Questions for anyone that wants to answer, what are some best practices for dealing with remote crashes of application software on embedded systems? Our product unfortunately gives 0 info not a core dump... Nothing so I'm looking for ideas on how this is typically handled, shipping binaries with symbols so a core can be recovered? We are using | 19:53 |
| JBook_SE | yocto not sure if that helps. | 19:53 |
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| milloni | is there a simple way to delete those bits of sstate cache that haven't been touched in a long time? | 19:56 |
| milloni | trying to free up some space | 19:56 |
| kanavin_home | milloni: find -atime | 19:57 |
| milloni | will removing random bits like that not break it though? | 19:57 |
| kanavin_home | no, if you are not running any builds at the same time | 19:57 |
| milloni | ok, great | 19:57 |
| milloni | thanks | 19:57 |
| kanavin_home | JBook_SE: reproduce the crash locally would be the first step | 19:59 |
| milloni | JBook_SE: when reproducing the crash, you might want to change the configuration so that you get the info that you need | 20:02 |
| milloni | (enable coredumps, debug symbols etc) | 20:02 |
| milloni | i would say it's useful to have a "debug" variant of your product to use for stuff like this | 20:03 |
| milloni | there are ways to do that in yocto | 20:04 |
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| milloni | are you using poky? i know poky has some DISTRO_FEATURES that might be relevant here | 20:05 |
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| JBook_SE | Thanks for the input, we are trying to reproduce locally with a debug build but unfortunately it took something like 25 days of high activity to crash it the first time at the customer and we are struggling to reproduce | 20:07 |
| JBook_SE | I was thinking for the future how can this be avoided. we are using poky | 20:07 |
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| JBook_SE | milloni the DISTRO_FEATURES you mention is there quick link to some documentation on these? | 20:11 |
| milloni | JBook_SE: yeah if you google it it should come up with something | 20:12 |
| LetoThe2nd | JBook_SE: have a look at minicoreedumper, which is in meta-oe. | 20:12 |
| milloni | in my experience customers are often bad at using yocto :) | 20:12 |
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| LetoThe2nd | JBook_SE: i don't think theres a DISTRO_FEATURE around that you can use, you would have to introduce it yourself for your usecase | 20:13 |
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| JBook_SE | minicoredumper looks very much like what we need | 20:15 |
| JBook_SE | milloni LetoThe2nd thanks for the input and help | 20:15 |
| LetoThe2nd | JBook_SE: have fun | 20:16 |
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| RP | The number of weird races the autobuilder finds continues to amaze me :( | 20:24 |
| tgamblin | RP: more quirks with running/stopping QEMU? | 20:25 |
| RP | tgamblin: https://bugzilla.yoctoproject.org/show_bug.cgi?id=13803 | 20:25 |
| yocti | Bug 13803: normal, Undecided, ---, unassigned, NEW , devtool setupClass file copying race | 20:25 |
| tgamblin | Interesting! | 20:27 |
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| jani191 | I'm working with NXP iMX8QXPMEK evaluation board. I downloaded bsp release L4.19.35_1.1.0_MX8QXP from following site: | 21:16 |
| jani191 | https://www.nxp.com/design/software/embedded-software/linux-software-and-development-tools/embedded-linux-for-i.mx-applications-processors:IMXLINUX?tab=Design_Tools_Tab | 21:16 |
| jani191 | This bsp release is for Yocto Project 2.7 (Warrior) | 21:16 |
| jani191 | I built yocto project for this bsp release. Then, I invoked following command to extract toolchain: | 21:16 |
| jani191 | DISTRO=fsl-imx-xwayland MACHINE=imx8qxpmek bitbake core-image-minimal -c populate_sdk | 21:16 |
| jani191 | A new folder is created in build/tmp/deploy/sdk | 21:16 |
| jani191 | Inside sdk folder, there is filename: fsl-imx-xwayland-glibc-x86_64-core-image-minimal-aarch64-toolchain-4.19-warrior.sh | 21:16 |
| jani191 | I copied this script to /opt folder. Then, I executed this script to install sdk. I chose to have sdk installed in build/mysdk folder. Inside mysdk folder, there is environment setup | 21:16 |
| jani191 | script: environment-setup-aarch64-poky-linux. I ran this environment setup script to setup sdk environment. What is the next step? The files that were compiled by yocto project, do I | 21:16 |
| jani191 | need to compile same set of files with sdk? If yes, how? | 21:16 |
| jani191 | Please provide detailed information in building linux image from sdk. | 21:16 |
| jani191 | I read through 'Yocto Project Application Development and the Extensible Software Development Kit(esDK)' but didn't find any information on compiling source code from sdk. I want to view same | 21:16 |
| jani191 | set of source code files that were compiled when I created the yocto project. | 21:16 |
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| RP | jani191: usually you'd source that environment script and then use the compiler (CC), cflags and other settings to build your software | 21:25 |
| jani191 | RP: Where is the software? In sdk, where are the set of files that were compiled by yocto project? | 21:26 |
| RP | jani191: the output is in the sdk (e.g. the libraries and headers) but not the original source, that would be in the original build | 21:29 |
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| jani191 | RP: What is the use of sdk? | 21:33 |
| JPEW | jani191: The SDK is useful if you want to build software outside of Yocto. For example, we compile our proprietary applications with the SDK then copy them to the device for development | 21:34 |
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| kanavin_home | RP: this patch has been dropped many times, but i have never got any feedback http://lists.openembedded.org/pipermail/openembedded-core/2020-February/293137.html | 21:36 |
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| jani191 | I booted my target board with embedded Linux image built from yocto project. I need to step through USB host source code in embedded Linux kernel. Do I use sdk to create my development and debug environment? | 21:39 |
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| RP | kanavin_home: its on my "not quite convinced its right or wrong" list | 21:47 |
| RP | kanavin_home: I think it depends how we define the image and I'm not sure we clearly did that | 21:47 |
| jani191 | JPEW: >> 'then copy them to the device for development' Do you mean you integrate your proprietary applications with the Yocto Project and rebuild Linux image from Yocto Project for testing? | 21:47 |
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| kanavin_home | RP: not sure I follow you, but are you seeking something like three ptest images, one with only fast tests, another with fast+slow, and a third with the full set? | 21:53 |
| kanavin_home | (fast+slow+ptest-pkgs) | 21:54 |
| kanavin_home | because otherwise I'm not sure what the argument against the patch is. ptest-pkgs pulls in bash-ptests which is otherwise banned for being unstable, and it is entirely coincidental it does not pull in something from the blacklist that hangs | 21:55 |
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| RP | kanavin_home: we have multiple conflicting requirements for that image. It was partly there to illustrate the ptest image feature but then I broke it with the fast/slow thing | 21:56 |
| RP | kanavin_home: Your patch is probably the right thing to do, I'm just not 100% sure | 21:57 |
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| kanavin_home | I am fully convinced that ptest-pkgs is actually harmful, as you never know what you end up with in the image and how long ptests will take :) explicit lists are the way to go | 22:02 |
| JPEW | jani191: Yes, our nightly builds and release builds are built completely in Yocto | 22:04 |
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| JPEW | jani191: The SDKs are primarily used so that we don't need all developers to build up the complete image when all they care about is a single application | 22:05 |
| JPEW | jani191: Many can't anyway because they use Windows | 22:05 |
| jani191 | JPEW: I just want to make sure I understand. When you compile your proprietary application with sdk, you cannot test it unless you integrate and build it with yocto project? | 22:07 |
| JPEW | jani191: No. The application built with the SDK can be copied over to the target and run as you would any other application | 22:09 |
| JPEW | jani191: That's sort of the purpose of the SDK :) | 22:09 |
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| JPEW | jani191: It's just that the (traditional) SDK can't build up a whole image, and when it comes time to release, attempting to shove together an application built with the SDK and an image built with Yocto is complicated (beleive me, I've tried :); it's easier to build the application in Yocto in the first place | 22:10 |
| JPEW | jani191: But, it also depends on your use cases; one of the great things about Yocto is that it can support a lot of different ways of building up embedded systems | 22:12 |
| jani191 | JPEW: >> 'copied over to the target and run as you would any other application' so application built in sdk can run in target without uboot, kernel, and file system? | 22:14 |
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| RP | kanavin_home: well, yes, but it should match the ptests to the contents of your image | 22:15 |
| mischief | i currently have a need to make fit images differently from how yocto does it now. i need to do it as part of image generation and not as a task in the kernel recipe. what is the right way to depend on the kernel from a recipe? DEPENDS = "kernel-vmlinux" ? | 22:18 |
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| RP | mischief: depends which bit of the kernel you want to depend upon really | 22:20 |
| RP | DEPENDS += "virtual/kernel" is one way | 22:20 |
| mischief | ah, right. we have PREFERRED_PROVIDER_virtual/kernel set to our own kernel recipe. | 22:21 |
| mischief | i need to make a fit image but i can't use kernel-fitimage.bbclass | 22:21 |
| RP | https://autobuilder.yoctoproject.org/typhoon/#/builders/75/builds/1591/steps/8/logs/warnings - /me wonders what will break next :( | 22:22 |
| mischief | the fit image i need to make is tied directly to the root filesystem, so i think it is appropriate to implement it as an image class - does that seem right? | 22:22 |
| RP | JPEW: that build was green btw | 22:22 |
| RP | mischief: that would seem reasonable (as an extra image type) | 22:23 |
| mischief | ok. we need this for dm-verity btw, where the root hash of the fs is inserted into the fit. yocto does not seem to cater to this case very well currently. | 22:24 |
| * RP files a bug for the warning, its a race | 22:26 | |
| RP | mischief: I'mnot very happy with the fit support, not least as there are no tests | 22:26 |
| RP | kanavin_home: https://autobuilder.yoctoproject.org/typhoon/#/builders/89/builds/1595 | 22:29 |
| RP | JPEW: ^^^ | 22:29 |
| * RP wonders how much of -next needs to drop because of that :( | 22:29 | |
| vmeson | jani191: "so application built in sdk can run in target without uboot, kernel, and file system?" <-- Not typically | 22:30 |
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| vmeson | jani191: "so application built in sdk can run in target without uboot, kernel, and file system?" <-- Not typically+busybox+....) | 22:31 |
| vmeson | oops: | 22:32 |
| kanavin_home | RP probably just the wayland meson conversion patch | 22:32 |
| vmeson | jani191: your conversation with JPEW suggests that you'd need to deploy your app on top of core-image-minimal (uboot+linux-yocto+busybox+...) | 22:33 |
| vmeson | jani191: it's possible to build a 'bare-metal' system using yocto but that's not the typical workflow. | 22:34 |
| RP | kanavin_home: thanks | 22:34 |
| vmeson | jani191: see: https://www.yoctoproject.org/docs/2.7/sdk-manual/sdk-manual.html | 22:34 |
| jani191 | vmeson: >> you'd need to deploy your app on top of core-image-minimal (uboot+linux-yocto+busybox+...) but the sdk that I setup doesn't have uboot + Linux + yocto + busybox? All it has is libraries and headers? | 22:36 |
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| jani191 | vmeson: core-image-minimal is in yocto. sdk doesn't have it? | 22:38 |
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| vmeson | jani191: right, so you need to get the steps to boot core-image-minial from NXP if you don't have them already. | 22:40 |
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| jani191 | vmeson: I created core-image-minimal from yocto and booted target from sdk card. | 22:41 |
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| jani191 | vmeson: My question is that I setup sdk by extracting toolchain from yocto project. What does this sdk contain? | 22:42 |
| vmeson | jani191: okay (I'm not actually sure what an "sdk card" is... ) | 22:42 |
| jani191 | vemson: soryy sd card | 22:43 |
| khem | RP: finally sent v3, which should work, please schedule that one for binutils | 22:43 |
| jani191 | vmeson: sorry sd card | 22:43 |
| vmeson | jani191: the sdk is a -software development kit- so it contain the compiler and various libraries and header files that you can link your application against. | 22:43 |
| vmeson | jani191: ah ha! -- that's a bad typo! :) | 22:43 |
| jani191 | vmeson: so if I build 'hello world' application in sdk. The built binary image will only contain 'hello world' ? | 22:45 |
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| jani191 | vmeson: The build binary image won't compile any other packages, such as uboot, kernel, and file system? | 22:46 |
| vmeson | jani191: correct. | 22:47 |
| jani191 | vemson: And I can run 'hello world' application in my target board? | 22:47 |
| vmeson | jani191: yes. | 22:47 |
| jani191 | vmeson: what will be the file extension of 'hello world' application? | 22:47 |
| RP | khem: https://autobuilder.yoctoproject.org/typhoon/#/builders/83/builds/727 | 22:48 |
| RP | halstead: autobuilder is getting quite the workout ;-) | 22:48 |
| vmeson | jani191: Of course you have to get the app to the target somehow... scp,or mount the SD card, or use rpm/ipk. there are many ways to do it. | 22:48 |
| khem | RP: thanks I will monitor it | 22:50 |
| vmeson | jani191: it depends on what you tell the compiler to call it. The -o flags takes any name! :) I think you need to read some docs and maybe watch some introductory videos to learn a bit about Yocto. | 22:50 |
| jani191 | vmeson: ok. So applications built in sdk run stand alone in target because sdk doesn't compile uboot, kernel, and file system packages? | 22:51 |
| vmeson | jani191: people seem to like the "Live Coding with Yocto Project #1: download and first build" series: https://www.youtube.com/watch?v=EfKLrSxA_H8 | 22:51 |
| vmeson | I haven't watched it since I've been using Yocto and doing embedded development for a while. | 22:52 |
| jani191 | vemson: Your help is much appreciated. | 22:53 |
| vmeson | jani191: spend a bit of time reading docs, watching these videos, do some tests and come back later this week. okay? | 22:53 |
| jani191 | vmeson: ok. One more question | 22:54 |
| vmeson | jani191: sure, it's a big learning curve. We can help a bit but there's no subsitute for hands on experimentation. | 22:54 |
| vmeson | jani191: ok, but I'm going to have to charge you double for that one! :) | 22:54 |
| jani191 | vmeson: Applications built with sdk must run stand alone in target board because uboot, file system, and kernel aren't built in sdk? | 22:56 |
| vmeson | jani191: your question is too vague. If you ask if hello-world runs on top of core-image-minimal, then I can say yes but... | 22:57 |
| jani191 | vmeson: How can hello-world run on top of core-image-minimal when sdk doesn't build core-image-minimal? | 22:58 |
| vmeson | an application _could_ link agains other libraries that you also need to bring to the target. Try building core-image-minimal for qemux86-64 and then use 'runqemu'. | 22:58 |
| vmeson | you'll learn loads! | 22:58 |
| vmeson | jani191: https://www.yoctoproject.org/docs/2.7/brief-yoctoprojectqs/brief-yoctoprojectqs.html | 22:59 |
| jani191 | vmeson: >> Try building core-image-minimal for qemux86-64 and then use 'runqemu'. build this from sdk? | 22:59 |
| vmeson | jani191: no, just follow the steps in the 'Yocto Project Quick Build' document that I just linked above. | 23:00 |
| vmeson | jani191: then you can take what you learn from there and figure out the sdk. okay? | 23:01 |
| jani191 | vmeson: ok but I already built yocto project for nxp board and I'm not getting the big picture on sdk. | 23:03 |
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| vmeson | jani191: maybe some (Wind River specific) docs will help you get the big picture: https://docs.windriver.com/bundle/Wind_River_Linux_User_Space_Developers_Guide_CD/page/mmo1403548690067.html | 23:08 |
| * vmeson wraps up for the day. | 23:08 | |
| RP | jani191: think of the sdk as a standalone toolchain you could use for development, or you could use the full build environment instead. Some people need one, some people need the other | 23:10 |
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| jani191 | RP: By full build environment, I believe you mean yocto project. Yocto project contains USB System and USB drivers in Linux kernel. I have setup sdk from yocto project. If I create USB application from sdk and load it in my target board, I can't test it because I don't have the kernel? Kernel is in yocto build. It's not in my USB application | 23:15 |
| jani191 | I build from sdk? | 23:15 |
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| jani191 | I'm not getting the point of sdk because the stand alone application created from sdk can't be tested because sdk doesn't create the framework or lower layers of software? | 23:17 |
| RP | jani191: presumably you have a kernel and rootfs image for your board. The SDK will contain some development headers. Whether there are enough headers there to do USB kernel dev work I'm not sure | 23:18 |
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| jani191 | RP: ok. Thank you! | 23:19 |
| jani191 | vmeson: Thank you! | 23:19 |
| jani191 | JPEW: and anyone else that helped me with SDK questions. Thank you! I appreciate the help. | 23:20 |
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| khem | zeddii: we need to backport https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=0ada120c883d4f1f6aafd01cf0fbb10d8bbba015 for perf to build with latest binutils | 23:57 |
| khem | zeddii: I am carrrying https://github.com/YoeDistro/openembedded-core/commit/9c93c1266feee08afd11ddf0ed0601645dc347da temporarily | 23:57 |
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