kern/154681: [zfs] [panic] panic with FreeBSD-8 STABLE
Andriy Gapon
avg at freebsd.org
Wed Mar 2 19:37:37 UTC 2011
on 02/03/2011 12:10 Robert Schulze said the following:
> The following reply was made to PR kern/154681; it has been noted by GNATS.
>
> From: Robert Schulze <rs at bytecamp.net>
> To: bug-followup at freebsd.org
> Cc:
> Subject: Re: kern/154681: [zfs] [panic] panic with FreeBSD-8 STABLE
> Date: Wed, 02 Mar 2011 11:02:07 +0100
>
> Hi,
>
> bumping that up, the problem still exists with FreeBSD-8.2-STABLE csup'd
> and built yesterday. In the debugger, I did a "continue", maybe these
> information are valuable:
"bt" command would have been far more useful.
Looks like a NULL pointer problem somewhere.
> ---
> Fatal trap 12: page fault while in kernel mode
> cpuid = 1; apic id = 01
> fault virtual address = 0x29
> fault code = supervisort read data, page not present
> instruction pointer = 0x20:0xffffffff80173330
> stack pointer = 0x28:0xffffff80000b6af0
> frame pointer = 0x28:0xffffff80000b6b20
> code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, long 1, def 32 0, gran 1
> processor eflags = interrupt enabled, resume, IOPL = 0
> current process = 12 (swi2: cambio)
> [thread pid 12 tid 100024 ]
> Stopped at camisr_runqueue+0x6e: cmpq %rax,0x28(%rdx%)
> ---
>
> I may provider further debugging information if I get a hint which
> information and how to do so.
--
Andriy Gapon
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