Re: kern/55108: unrelated_tracer_posix_spawn_kill_spawner test kills kernel

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

The following reply was made to PR kern/55108; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/55108: unrelated_tracer_posix_spawn_kill_spawner test kills
 kernel
Date: Thu, 26 Mar 2020 10:55:03 +0100

 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
 --