dl9pf changed the topic of #yocto to: Welcome to the Yocto Project | Learn more: http://www.yoctoproject.org | Join the community: http://www.yoctoproject.org/community | Channel logs available at https://www.yoctoproject.org/irc/ and https://libera.irclog.whitequark.org/yocto/ | Having difficulty on the list, or with someone on the list? Contact YP community mgr Nicolas Dechesne (ndec)
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<mckoan> good morning
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<janvermaete[m]> Is it possible to have in the CVE reporting only the non native packages?
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<RP> janvermaete[m]: only inheriting the class for target recipes would probably do that
<janvermaete[m]> Could be, now I have enable it with a INHERIT += “cve-check”
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<janvermaete[m]> In the local.conf
<RP> janvermaete[m]: I'll admit I'm not entirely sure how you'd make that work with an override now I think about it :/
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<janvermaete[m]> <RP "jan vermaete: I'll admit I'm not"> I will check with Konrad.
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<RP> janvermaete[m]: you'd need something like MYINHERIT = "${SOMEVAR}" SOMEVAR = "" SOMEVAR_class-target = "cve-check" inherit ${MYINHERIT}
<RP> janvermaete[m]: that will work from a class but not from conf files
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<paulbarker> RP: Have the prserv patches caused any issues on the autobuilder? I see they're still in master-next. No rush to get them merged to master, I've got some time this week to look at them again though if needed
<RP> paulbarker: They seem ok. I wanted to get M1 built and out, then look at them. I'm a little worried that we're hitting timeouts and just hiding issues somehow - I'm not seeing the timeouts triggering anywhere and it worries me that based on the previous testing, you'd kind of have expected to
<RP> paulbarker: if we do hit a timeout, we should see a failure of some kind right?
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<paulbarker> RP: Yes, if the client doesn't receive a reply from the server within 30s it'll raise a ConnectionError now
<paulbarker> I've not been able to reproduce the failures seen previously on the autobuilder. My home 6c/12t build machine is a very different environment to the autobuilder cluster though
<paulbarker> My only guess was a race condition or resource exhaustion which is hit in the autobuilder environment but not on a less heavily loaded machine. Due to the way the selftest output is buffered though we can't even see which test was hanging on the autobuilder
<derRichard> i'm upgrading a old layer to yocto hardknott, i'm facing this error: u-boot PROVIDES virtual/bootloader but was skipped: PREFERRED_PROVIDER_virtual/lib32-bootloader set to lib32-u-boot, not u-boot
<derRichard> who sets PREFERRED_PROVIDER_virtual/lib32-bootloader? i don't really find it in my layer.
<yocton> derRichard Check the output of "bitbake -e virtual/lib32-bootloader" maybe ? (This will tell you were was each variables defined/modified/...)
<qschulz_> derRichard: it does not make much sense to have a 32b variant of the bootloader? So I would try to understand first why this is needed?
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<derRichard> qschulz: it makes 0 sense to to have a 32bit variant of u-boot. i don't want this. but somehow yocto thinks i do :(
<derRichard> yocton57: bitbake -e does not work since it aborts before with the said error :(
<qschulz> derRichard: I think you have the recipe from which this dependency is done in the error message don't you?
<qschulz> derRichard: mmm, maybe just grep for virtual/lib32-bootloader and/or virtual/bootloader and start investigating from there?
<derRichard> no. building fails as soon yocto wants to build "virtual/bootloader"
<derRichard> virtual/lib32-bootloader is nowhere set. virtual/bootloader only on places where it makes sense
<derRichard> some magic i don't see so far sets virtual/lib32-bootloader for sure
<qschulz> derRichard: ilb32- is very often added by bitbake implicitly
<qschulz> so I would look for recipes that have a DEPENDS on virtual/bootloader and can be built as lib32
<derRichard> will do!
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<RP> derRichard: I suspect we may need to teach the single u-boot recipe to PROVIDES both virtual/bootloader and virtual/lib32-bootloader
<RP> I think we already do this with kernel modules
<qschulz> RP: I'm not sure it makes sense? This would have made sense when we didn't have the libubootenv recipe, but now, not so sure?
<RP> qschulz: from which perspective? I suspect it makes sense from some angles bit less so from others
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<RP> paulbarker: I think I spoke too soon. I think https://autobuilder.yoctoproject.org/typhoon/#/builders/79/builds/2205 is hung with some kind of prserv issue :/
<qschulz> RP: why would one want to build 32b bootloader if your machine has 64b support? (except well... if your vendor only provided you with a bootloader that can be compiled in 32b only)
<RP> paulbarker: better, I have a traceback for you
<RP> paulbarker: I'm guessing that traceback and the hung build are related
<RP> qschulz: the other way to think about this code is how does the virtual multilib class extension code handle virtua/bootloader ?
<RP> qschulz: the way we do this with the kernel (from memory) is have the main recipe provide both, then dependency chains work. its less about having two kernels and more about how to map the dependencies to something sensible
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<qschulz> RP: so I was speaking from the perspective of a "user" and I see you're talking from the perspective of bitbake/yocto. And yes, I assume it shouldn't fail to at least try to build the 32b variant
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<paulbarker> RP: I'll take a look shortly thanks
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<RP> qschulz: right, I understand the user perspective but there is the detail of how to implement it
<qschulz> RP: I'd need to check if one of the classes inherited by u-boot recipes can have this set there. Like all kernel recipes inherit kernel (I'd assume so at least), I would assume the same should be possible for u-boot?
<RP> qschulz: I'd think so...
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<vmeson> last night, I ran a test of rpurdie/t222 -- 46/102 tests had the "BUG:" - most common RIP: 22 d_alloc_parallel+0xd5/0x570, 6 dentry_free+0x69/0x70, 8 do_mkdirat+0x6c/0x130, 7 kernfs_sop_show_path+0x1c/0x60
<RP> vmeson: hmm, 46% isn't quite my guess of 70% reproducibility
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<RP> paulbarker: looks like if async io is still active at exit there can be hangs. no traceback in the latter and it is hung in parsing files in the follow on build
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<paulg> vmeson, if I am right, your search is doomed to find the LTP change that makes us "see" the issue ; the issue itself dates back to v5.1-rc1
<paulg> cgroup changes related to https://lwn.net/Articles/780267/
<RP> paulg: seems odd an issue would have lasted this long without someone else finding it but I guess not impossible. You found that by bisection?
<paulg> yes, it does seem odd, and "kinda sorta" is the answer to your bisection question.
<paulg> a lot of UTSL too.
<paulg> need some more time to complete this invesitgation thread and knwo for sure, but it is looking very likely.
<paulbarker> RP: Those logs should help. I had assumed that if the issue was fairly low-level with asyncio we'd have already hit it with hashserv as that uses the same approach. But maybe there's just enough different between them to see issues in prserv but not hashserv
<RP> paulbarker: we don't stop/start a hashserv with each bitbake server, we connect to a central one
<RP> paulg: is there a revert we could test with a modern kernel?
<paulg> no
<paulg> see lwn
<paulg> it is a new infrastructure being used/implemented in a series of commits.
<paulg> a series that went thru at least a dozen versions and sat for a while before going mainline.... https://lwn.net/Articles/766155/
<RP> paulg: fair enough, I guess that could explain some part of this...
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<RP> paulg: 14 versions :/
<paulg> ?
<paulg> Ah, the fs context yea.
<paulg> I don't want to risk getting ahead of myself and leading others on a wild goose chase; so give me a couple more hours with this to confirm and then I'll share more details.
<paulg> if it turns out the sonofabitch has been lurking out there since v5.1 and screwing LTP for a month now, a few more hrs won't hurt.
<RP> paulg: I'll leave it with you. Today I have too many meetings to concentrate :/
<paulg> yeah, somehow I don't see a whack-tonne of people clamouring at my door to volunteer to take on trying to nut this out.
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<paulg> RP, if you are bored, look at commit log for 23bf1b6be9c291 and "Weirdies" and tell me if you think that is confidence inspiring.
<paulg> the merged branch of v5.1-rc1~12 ... i.e. "git log --oneline v5.1-rc1~12^2" is where I'm rummaging around, for those following along at home.
<moto-timo> 🍿
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<fabatera[m]> I'm still trying to find out the missing piece to boot with root NFS with a core-image-minimal / core-image-minimal-initramfs. Any hints about it?
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<alex88> Is anyone using dracut to generate an initramfs? Any tip on how to generate the initramfs during build time?
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<fabatera[m]> <alex88 "Is anyone using dracut to genera"> core-image-minimal-initramfs
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<alex88> fabatera[m], oh and that will automatically generate the initramfs using it? nice. I just need to add my custom modules then.. thanks!
<fabatera[m]> <alex88 "fabatera, oh and that will autom"> I'm trying to add kernel modules to it (INITRAMFS_IMAGE_BUNDLE = "1"). But somehow it's not working. How would you add your modules?
<fabatera[m]> <fabatera[m] "core-image-minimal-initramfs"> I'm also interested in how to use darcut.
<alex88> oh I'm not sure how to do that, I've just started looking at the initramfs thing, theoretically you need to add the custom dracut modules in /usr/lib/dracut/modules.d as per https://man7.org/linux/man-pages/man7/dracut.modules.7.html
<alex88> dracut seemes more something you install and then run to generate the image but I'm not sure how that can be done in the build phase
<alex88> my main goal is to gnerate an initramfs that mounts the root as an overlayfs
<fabatera[m]> Dracut generates one complete initramfs. The core-image-minimal-initramfs will create initramfs without it (AFAIK)
<alex88> yeah I don't see any dracut reference in the yocto initramfs code
<rburton> yocto doesn't use dracut
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<alex88> so it might not even be possible to use it to build the initramfs
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<ant_home> dracut is in the meta-initramfs layer
<ant_home> (I never used it)
<rburton> to core yocto (ie, oe-core) an initramfs is just another image that just happens to have less stuff in
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<moto_timo[m]> Finally got my matrix nick registered/grouped
<qschulz> moto_timo[m]: you're among the cool kids now :D
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<ant_home> fray: ping
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<alex88> the recipe is there but I think it just installs it into the image
<alex88> I'm not sure if you can just install and run it in the build process
<ant_home> zeddii, rburton, I am pinging fray about kernel.bbclass but you could help as well
<ant_home> ^this commit imposes packaging checks and breaks build of mini-kernels not using packaging
<ant_home> I can't evaluate wheter this is regression or bugfix :)
<ant_home> ^
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<RP> paulg: that isn't confidence inspiring at all :/
<RP> paulg: I wonder if we should ask the ltp people about this...
<paulg> not sure the LTP people will have anything useful to say.
<paulg> basically they've created mindless test cases taht mount/unmount in an endless loop ; there isn't a lot of "thought out technology" there IMHO.
<RP> paulg: more wondering if they've seen this break and have any leads on where it broke
<paulg> I *seriously* doubt it.
<RP> paulg: Did you get any further?
<paulg> IMHO yes.
* RP is intrigued
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<paulg> I have one commit responsible for a dput WARNING which persists from v5.1 until at least v5.4 ; as of v5.7 it is our "familiar" group of 4 null deref on dentry->d_inode
<paulg> need to fill in the gap between v5.4 and v5.7 now...
<paulg> and of course figure out why that old commit is borken
<paulg> I should also test mainline/next at some point ; with all my other juggled bits unchanged ; haven't tested > v5.10.42 ; going on RP result from linux-yocto-dev earlier...
<paulg> best way to look like a dumb ass is to post about something already fixed....
<RP> paulg: I did reproduce the bug on 5.13-rc4 or 5
<RP> paulg: I'm wondering if there is a reason the bug on 5.8 looked quite different
<paulg> I'd have to go back and look at your data ; for me it "changes" between v5.6 and v5.7
<paulg> I'm just about to look at what changed in v5.7...
<zeddii> I just got notice from aufs's lawyers. I'm being sued for defamation for my revert! ;)
<zeddii> luckily we settled out of court, as I showed the commits putting it back :D
<paulg> send the bill to RP ; he can pry the $ out of LF.
<RP> paulg: that would add up. I think it also likely changes duing 5.4 LTS
<RP> zeddii: heh, at least you know it is being used :)
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<halstead> Welcome Vineela. :)
<Vineela> got the message halstead. Thanks.
<RP> kergoth: any thoughts on whether X := Y should be overridden by an earlier X_override = Z ?
<paulg> RP, zeddii, vmeson -- there is no shortage of stuff that might have morphed the dentry fail between v5.6 and v5.7 (the "investigate" part)
* paulg needs coffee.
<RP> paulg: hmm, is that good or bad? :/
<paulg> neither, I guess. It just means I aint done yet. :-/
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<paulg> [ 208.096602] CPU: 1 PID: 22795 Comm: cat Not tainted 5.13.0-rc6-yocto-standard #1
<paulg> [ 208.099879] RIP: 0010:d_alloc_parallel+0x7d/0x570
<paulg> so mainline latest tag also breaks in my current "test harness" fwiw...
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