Hello. Some news:
- it is Proxmox virtualisation (KVM
- tested kernels: linux-image-cloud-amd64, linux-image-amd64,
linux-image-686-pae
- dbgsym packages was installed
- no coredumps this month, but:
- configured opendkim autorestart function:
AutoRestart yes
AutoRestartRate 10/1m
- autorestarted 6x on server1 and 1x on server2 - log:
opendkim[23781]: terminated with signal 6, restarting
Old backtraces with DEBUGINFOD_URLS:
BT1:
Core was generated by `/usr/sbin/opendkim -u opendkim -P
/run/opendkim/opendkim.pid'. Program terminated with signal SIGQUIT,
Quit. --Type <RET> for more, q to quit, c to continue without paging--c
#0 0xf7f7b559 in __kernel_vsyscall ()
[Current thread is 1 (Thread 0xf6bad900 (LWP 16352))]
(gdb) bt full
#0 0xf7f7b559 in __kernel_vsyscall ()
No symbol table info available.
#1 0xf7695333 in fstab_init (opt_rewind=0) at fstab.c:121
state = 0xf7783380 <fstab_state>
buffer = 0x0
fp = <optimized out>
#2 0x00001388 in ?? ()
No symbol table info available.
#3 0x00000000 in ?? ()
No symbol table info available.
BT2:
Program terminated with signal SIGABRT, Aborted.
--Type <RET> for more, q to quit, c to continue without paging--c
#0 0xf7f19559 in __kernel_vsyscall ()
[Current thread is 1 (Thread 0xf3bffb40 (LWP 25976))]
(gdb) bt full
#0 0xf7f19559 in __kernel_vsyscall ()
No symbol table info available.
#1 0xf756ee02 in mrand48 () at mrand48.c:24
result = 0
#2 0xf3f2c118 in ?? ()
No symbol table info available.
#3 0x00000000 in ?? ()
No symbol table info available.
BT3:
Program terminated with signal SIGABRT, Aborted.
--Type <RET> for more, q to quit, c to continue without paging--c
#0 0xf7f0f559 in __kernel_vsyscall ()
[Current thread is 1 (Thread 0xf3bffb40 (LWP 23979))]
(gdb) bt full
#0 0xf7f0f559 in __kernel_vsyscall ()
No symbol table info available.
#1 0xf7564e02 in mrand48 () at mrand48.c:24
result = 0
#2 0xf3efcd40 in ?? ()
No symbol table info available.
#3 0x00000000 in ?? ()
No symbol table info available.
BT4:
Program terminated with signal SIGABRT, Aborted.
--Type <RET> for more, q to quit, c to continue without paging--c
#0 0xf7f54559 in __kernel_vsyscall ()
[Current thread is 1 (Thread 0xf3bffb40 (LWP 32056))]
(gdb) bt full
#0 0xf7f54559 in __kernel_vsyscall ()
No symbol table info available.
#1 0xf75a9e02 in mrand48 () at mrand48.c:24
result = 0
#2 0x00000004 in ?? ()
No symbol table info available.
#3 0xf784ce28 in ?? () from /usr/lib/i386-linux-gnu/libunbound.so.8
No symbol table info available.
#4 0x00000000 in ?? ()
No symbol table info available.
Regards,
JK
On Wed, 21 Sep 2022 16:32:06 +0200
Bernhard Übelacker <bernha...@mailbox.org> wrote:
> Hello Jan,
>
>
> Maybe you could backtraces with better/more information by having the
> dbgsym packages installed, or calling gdb with the DEBUGINFOD_URLS
> from [10].
>
> Is this some kind of virtualisation?
> Does this also happen with a regular amd64- or i386-kernel?
>
> Kind regards,
> Bernhard
>
> [10]
> https://wiki.debian.org/HowToGetABacktrace#Automatically_loading_debugging_symbol_from_the_Internet
