Date: Wed, 27 Aug 2003 00:49:56 +0200 From: Martin <nakal@web.de> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: Kernel panic with CAM on current (fatal trap 12) Message-ID: <1061938195.9309.65.camel@klotz.local>
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Hi,
I compiled world and kernel tonight (Aug 26th) on my Thinkpad
R40 with a CD/RW drive. I tried my old settings with cam
enabled so I can use cdrecord.
During boot I got a kernel panic about 10 seconds after the
kernel detected the CD/RW drive. Here some info:
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x0
fault code = supervisor write, page not present
[...IP/SP reg values changing...]
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 20 (swi3:cambio)
trap number = 12
In verbose mode it also showed some "non-retryable
errors" while accessing ata0 and sbp0, before the
kernel stops with the panic.
I could start the latest kernel after removing
sbp, umass, cam-stuff and atapicam and recompiling
it. The last kernel without these effects was compiled
on Aug 18th.
I hope it helps, if not, I can write down more
information for you.
Martin
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