Panic in "thread taskq" on RELENG_6

[Kris Kennaway]

On Tue, Nov 28, 2006 at 08:01:06PM +0100, Markus Oestreicher wrote:
> Good Day,
> 
> I get a panic on latest RELENG_6 every 6-12 hours. The server is a
> Dual Xeon FSB800 with 2 GB RAM and aac(4)-disks running postfix and
> amavisd-new for SPAM scanning.
> 
> 
> kernel trap 12 with interrupts disabled
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 3; apic id = 07
> fault virtual address 	= 0x104
> fault code		= supervisor read, page not present
> instruction pointer	= 0x20:0xc06774e1
> stack pointer		= 0x28:0xe4f93c90
> frame pointer		= 0x28:0xe4f93c9c
> code segment		= base 0x0, limit 0xfffff, type 0x1b
> 				= DPL 0, pres 1, def32 1, gran 1
> processor eglags		= resume, IOPL = 0
> current process		= 5 (thread taskq)
> 
> The panic always in process "thread taskq".
> 
> db>trace
> _mit_lock_sleep(cb031e5c,c63f7180) at _mtx_lock_sleep+0x9d
> unp_gc(0,1) at uno_gc+0x222
> taskqueue_run(c6439d80) at taskqueue_run+0x13f
> taskqueue_thread_loop(c09f8988,e4f93d38) at taskqueue_thread_loop+0x92
> fork_exit(c06a1bc0,c09f8988,e4f93d38) at fork_exit+0x71
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0x1, eip = 0, esp=0xe4f93d6c, ebp = 0
> 
> FreeBSD mx.local 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #1:
>  Tue Nov 28 02:12:58 CET 2006
>  root at mx.local:/usr/obj/usr/src/sys/SMP  i386
> 
> 
> Does that look like a hardware problem or a software issue?

It looks like a lot of transcription errors when you typed it in ;-)

Kris
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