Re: glibc 2.34 failed tests

[Michael Brunnbauer <brunni@netestate.de>]

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hi

On Wed, Aug 04, 2021 at 08:56:17AM -0300, Adhemerval Zanella wrote:
> > FAIL: elf/tst-dlopenfail
> 
> This is a new failure, could you post the .out output?
> 
> > FAIL: malloc/tst-safe-linking

Those two failures occured with glibc 2.33 but not with 2.34 on my current 
machine.

> > FAIL: malloc/tst-tcfree2
> 
> This is another new failure., could you post the .out output as well?

FAIL: tcache double free
Expected signal 'Aborted' from child, got none

> > FAIL: nss/tst-nss-files-hosts-multi
> > FAIL: resolv/tst-bug18665
> > FAIL: resolv/tst-resolv-search
> 
> I recall this might fail depending of how the system network is configured.
> What .out file shows?

It's an ipv4 only system. Here are the outputs:

cat nss/tst-nss-files-hosts-multi.out
Timed out: killed the child process
Termination time: 2021-08-03T15:50:02.888711343
Last write to standard output: 2021-08-03T15:49:22.870384035

cat resolv/tst-bug18665.out
warning: unshare (CLONE_NEWUTS) failed: Invalid argument
warning: could not enter network namespace
Timed out: killed the child process
Termination time: 2021-08-03T15:48:22.269459412
Last write to standard output: 2021-08-03T15:48:02.250298068

cat resolv/tst-resolv-search.out
warning: unshare (CLONE_NEWUTS) failed: Invalid argument
warning: could not enter network namespace
Timed out: killed the child process
Termination time: 2021-08-03T15:48:52.829291960
Last write to standard output: 2021-08-03T15:48:32.810330616


> > cat ./rt/tst-mqueue10.out
> > error: tst-mqueue10.c:46: not true: q != (mqd_t) -1
> > error: 1 test failures
> 
> I think this might be related to the fact rt/tst-mqueue10.c uses the
> "/tst-mqueue2-" as template (it might interfere with rt/tst-mqueue2.c
> itself).

I opened a ticket for this one: https://sourceware.org/bugzilla/show_bug.cgi?id=28188

> > cat ./time/tst-itimer.out
> > tst-itimer.c:76: numeric comparison failure (widths 64 and 32)
> >    left: 10000 (0x2710); from: it_old.it_interval.tv_usec
> >   right: 20 (0x14); from: 20
> > tst-itimer.c:90: numeric comparison failure
> >    left: 20 (0x14); from: it.it_interval.tv_usec
> >   right: 10000 (0x2710); from: it_old.it_interval.tv_usec
> > tst-itimer.c:118: numeric comparison failure
> >    left: 2748779068 (0xa3d70a3c); from: it_old.it_interval.tv_sec
> >   right: 8589934591 (0x1ffffffff); from: 0x1ffffffffull
> > tst-itimer.c:119: numeric comparison failure (widths 64 and 32)
> >    left: 0 (0x0); from: it_old.it_interval.tv_usec
> >   right: 20 (0x14); from: 20
> > tst-itimer.c:141: numeric comparison failure
> >    left: 8589934591 (0x1ffffffff); from: it.it_interval.tv_sec
> >   right: 2748779068 (0xa3d70a3c); from: it_old.it_interval.tv_sec
> > tst-itimer.c:142: numeric comparison failure
> >    left: 20 (0x14); from: it.it_interval.tv_usec
> >   right: 0 (0x0); from: it_old.it_interval.tv_usec
> > tst-itimer.c:76: numeric comparison failure (widths 64 and 32)
> >    left: 10000 (0x2710); from: it_old.it_interval.tv_usec
> >   right: 20 (0x14); from: 20
> > tst-itimer.c:90: numeric comparison failure
> >    left: 20 (0x14); from: it.it_interval.tv_usec
> >   right: 10000 (0x2710); from: it_old.it_interval.tv_usec
> > tst-itimer.c:118: numeric comparison failure
> >    left: 2748779068 (0xa3d70a3c); from: it_old.it_interval.tv_sec
> >   right: 8589934591 (0x1ffffffff); from: 0x1ffffffffull
> > tst-itimer.c:119: numeric comparison failure (widths 64 and 32)
> >    left: 0 (0x0); from: it_old.it_interval.tv_usec
> >   right: 20 (0x14); from: 20
> > tst-itimer.c:141: numeric comparison failure
> >    left: 8589934591 (0x1ffffffff); from: it.it_interval.tv_sec
> >   right: 2748779068 (0xa3d70a3c); from: it_old.it_interval.tv_sec
> > tst-itimer.c:142: numeric comparison failure
> >    left: 20 (0x14); from: it.it_interval.tv_usec
> >   right: 0 (0x0); from: it_old.it_interval.tv_usec
> > error: 12 test failures
> 
> I almost sure this is the same issue I saw on an older kernel under KVM [1]
> 
> [1] https://patchwork.sourceware.org/project/glibc/patch/20210719163846.2954193-3-adhemerval.zanella@linaro.org/

My machine is not a virtual one though. Here is the ticket for this one:

https://sourceware.org/bugzilla/show_bug.cgi?id=28189

cu,
brunni

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