Date: Thu, 4 Nov 2010 07:35:54 -0400 From: Richard Morse <remorse@partners.org> To: questions@freebsd.org Subject: Kernel panics? Message-ID: <918795E7-B590-4D1C-BB2B-36C68AFA01D8@partners.org>
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Hi! I'm having a problem with an 8.1-RELEASE #0 amd64 machine.
Three weeks ago, it had a kernel panic, which I was too tired to properly c=
apture. On reboot, I forgot to run fsck in single user mode; about 12-14 ho=
urs later it crashed complaining that the background file system checks wer=
e inconsistent.
A day later it crashed with a "server double fault"; I was unfortunately on=
the way to a meeting, along with all of my technical co-workers, so I wasn=
't able to see the screen, and it was being reported by someone who was poo=
rly equipped to give a good report.
A few days later, it had hung (it didn't respond to input), and I needed to=
hard restart.
A few days later, the same thing happened.
Last weekend, on Friday evening it complained about the hard disk controlle=
r disappearing (at least, as far back as I was able to go in the screen buf=
fer).
Saturday night, I finally got a kernel panic that I captured; after this, I=
turned on core dumps.
However, last night, it crashed again, and tried to write out a core, but d=
idn't succeed.
The kernel panic from Saturday night was:
panic: unknown cluster size
cpuid =3D 0
Uptime: 1h49m37s
Cannot dump. Device not defined or unavailable.
aac0: shutting down controller...
=20
Fatal trap 12: page fault while in kernel mode
cpuid =3D 9; apic id =3D 10
fault virtual address =3D 0x1d
fault code =3D supervisor write data, page not present
...
current process =3D 12 (irq256: em0)
trap number =3D 12
done
Last night's:
Fatal trap 12: page fault while in kernel mode
cpuid =3D 9; apic id =3D 11
fault virtual address =3D 0x8098f90e
fault code =3D supervisor read data, page not present
...
current process =3D 97530 (taper)
trap number =3D 12
panic: page fault
cpuid =3D 9
Uptime: 3d21h24m57s
Physical memory: 12211MB
Dumping 2942MB:
Note that there was nothing after the "Dumping 2942MB:"; the cursor was sit=
ting just after the colon. On reboot, it did not find any cores to save to =
disk (I did have to boot single user and fsck -y; is it possible that this =
interfered with the core dump? if so, how do I fix this?).
I tried, this morning, to run memtest86, however both 3.5 and 3.4 just give=
loud annoying beeps, not displaying anything on screen (not even a menu; o=
nce I get past the boot loader from the memtest86 cd, it just starts beepin=
g).
Any suggestions?
Thanks,
Ricky
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