reproducible panic on 8.2-RELEASE, but no core file
Aragon Gouveia
aragon at phat.za.net
Tue Aug 23 20:06:47 UTC 2011
Hi,
I'm experiencing a reproducible kernel panic that would be really nice
to debug, but unfortunately no core file is getting generated. I don't
have console access either. All I can get so far is this, from syslog:
Aug 23 19:51:38 <kern.crit> estranged kernel:
Aug 23 19:51:38 <kern.crit> estranged kernel: Fatal double fault:
Aug 23 19:51:38 <kern.crit> estranged kernel: eip = 0xc0593b2e
Aug 23 19:51:38 <kern.crit> estranged kernel: esp = 0xe5583fe4
Aug 23 19:51:38 <kern.crit> estranged kernel: ebp = 0xe5584010
Aug 23 19:51:38 <kern.crit> estranged kernel: cpuid = 0; apic id = 00
Aug 23 19:51:38 <kern.crit> estranged kernel: panic: double fault
Aug 23 19:51:38 <kern.crit> estranged kernel: cpuid = 0
Aug 23 19:51:38 <kern.crit> estranged kernel: panic: 0xc4263b40 must be
migratable
Aug 23 19:51:38 <kern.crit> estranged kernel: cpuid = 0
Aug 23 19:51:38 <kern.crit> estranged kernel: panic: 0xc4263b40 must be
migratable
Aug 23 19:51:38 <kern.crit> estranged kernel: cpuid = 0
[SNIP - above two lines repeated alot]
Aug 23 19:51:38 <kern.crit> estranged kernel: cpuid = 0kernel trap 12
with interrupts disabled
Aug 23 19:51:38 <kern.crit> estranged kernel: panic:
Aug 23 19:51:38 <kern.crit> estranged kernel: 0xc4263b40 must be
migratablekernel trap 12 with interrupts disabled
Aug 23 19:51:38 <kern.crit> estranged kernel: kernel trap 12 with
interrupts disabled
Aug 23 19:51:38 <kern.crit> estranged kernel: cpuid = 0
Aug 23 19:51:38 <kern.crit> estranged kernel: kernel trap 12 with
interrupts disabled
Aug 23 19:51:38 <kern.crit> estranged kernel: panic:
My dumpdev is set:
$ ls -l /dev/dumpdev
lrwxr-xr-x 1 root wheel 11 Aug 23 19:56 /dev/dumpdev@ -> /dev/ad4s1b
But savecore reports:
Aug 23 19:56:34 <console.info> estranged kernel: No core dumps found.
Any advice for getting a core file? :)
Thanks,
Aragon
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