Bug#1040716: libc6: Stack Traces
Hi,
On 2023-07-11 15:28, Tim McConnell wrote:
>
>
> On Tue, 2023-07-11 at 21:11 +0200, Aurelien Jarno wrote:
> > Hi,
> >
> > On 2023-07-11 11:21, Tim McConnell wrote:
> > >
> > >
> > > On Mon, 2023-07-10 at 23:17 +0200, Aurelien Jarno wrote:
> > > > You might want
> > > > to upgrade to version 2.37-5 to check if it solves your issue
> > > Okay that's done and it's still doing it. The entry from Journalctl
> > > shows module libudev1 if that's of any use.
> > >
> > > Started systemd-coredump@1785-616863-0.service - Process Core Dump
> > > (PID
> > > 616863/UID 0).
> > > Jul 11 10:52:06 DebianTim systemd-coredump[616865]: Process 616847
> > > (collectd) of user 0 dumped core.
> > >
> > > Module
> > > libudev.so.1
> > > from deb systemd-252.11-1.amd64
> > > Stack trace of
> > > thread 616848:
> > > #0
> > > 0x00007fce1335e9f2 __memmove_ssse3 (libc.so.6 + 0x16d9f2)
> > > #1
> > > 0x00007fce131156d9 rrd_write (librrd.so.8 + 0x346d9)
> > > #2
> > > 0x00007fce13120acd n/a (librrd.so.8 + 0x3facd)
> > > #3
> > > 0x00007fce13122962 n/a (librrd.so.8 + 0x41962)
> > > #4
> > > 0x00007fce1317c370 n/a (rrdtool.so + 0x3370)
> > > #5
> > > 0x00007fce132793ec start_thread (libc.so.6 + 0x883ec)
> > > #6
> > > 0x00007fce132f9a1c __clone3 (libc.so.6 + 0x108a1c)
> > >
> >
> > Thanks for the details. This shows that the binary crashing regularly
> > is
> > collectd. This is very unlikely that the issue is linked to the
> > locales,
> > and your test is confirming that.
> >
> > It's also not clear that it's a glibc issue, it's more likely an
> > issue
> > in collectd or librrd8. It appears that systemd-coredump saved a
> > coredump when the process crashed. You should be able do use
> > "coredumpctl" to get the list of cores. You can select one coredump
> > and
> > examine it with gdb using "coredumpctl debug xxxx". Then when under
> > gdb
> > you should be able to run "thread apply all bt" to get the backtrace.
> > That should allows to better understand the issue.
> >
> > Regards
> > Aurelien
> >
> I'm unsure how helpful this is ( I am not a programmer) but:
> thread apply all bt
Thanks, that's already much more useful. However I forgot to tell you to
install the libc6-dbg package before getting the backtrace, sorry about
that. Could you please install it and follow the same procedure again?
Thanks
Aurelien
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurelien@aurel32.net http://aurel32.net
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