Re: kern/55108: unrelated_tracer_posix_spawn_kill_spawner test kills kernel

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Mar 25, 2020 at 09:15:01PM +0000, martin%NetBSD.org@localhost wrote:
> No details yet, this machine did a atf run and rebooted during
> unrelated_tracer_posix_spawn_kill_spawner.
> Will append more info tomorrow.

Also seen on
http://www-soc.lip6.fr/~bouyer/NetBSD-tests/xen/HEAD/
the stack trace is:
    posix_spawn_kill_spawner: [ 4792.6927325] uvm_fault(0xffffc6000152f748, 0x0,
 1) -> e
[ 4792.6927325] fatal page fault in supervisor mode
[ 4792.6927325] trap type 6 code 0 rip 0xffffffff8048eede cs 0xe030 rflags 0x102
46 cr2 0xbc ilevel 0 rsp 0xffffc600480a0e70
[ 4792.6927325] curlwp 0xffffc60003823180 pid 29347.1 lowest kstack 0xffffc60048
09c2c0
[ 4792.6927325] panic: trap
[ 4792.6927325] cpu0: Begin traceback...
[ 4792.6927325] vpanic() at netbsd:vpanic+0x146
[ 4792.6927325] snprintf() at netbsd:snprintf
[ 4792.6927325] startlwp() at netbsd:startlwp
[ 4792.6927325] alltraps() at netbsd:alltraps+0xb6
[ 4792.6927325] cpu0: End traceback...

doesn't look very usefull ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--