Re: Today's -current panics

On Thu, 10 Jun 2004, Andrey Chernov wrote:

> I notice regular panics from today's kernel, process name is random, so
> it is general kernel thing. Kernel from Jun 8 works normally. Here are
> the samples. I can't provide more detailed info at this moment. 

It would be extremely helpful if you could figure out where in the kernel
0xc04cbf38 is.  You should be able to do this using a kernel on disk;
debugging, etc, is not necessary.  If possible, DDB stack traces or the
results of gdb on a dump would also be extremely helpful.

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert_at_fledge.watson.org      Senior Research Scientist, McAfee Research


> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x1c
> fault code            = supervisor write, page not present
> instruction pointer   = 0x8:0xc04cbf38
> stack pointer         = 0x10:0xccfdcbb4
> frame pointer         = 0x10:0xccfdcbfc
> 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               = 4253 (cvsupd)
> trap number           = 12
> panic: page fault
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x1c
> fault code            = supervisor write, page not present
> instruction pointer   = 0x8:0xc04cbf38
> stack pointer         = 0x10:0xccf7dbb4
> frame pointer         = 0x10:0xccf7dbfc
> 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               = 1466 (sendmail)
> trap number           = 12
> panic: page fault
> 
> -- 
> Andrey Chernov | http://ache.pp.ru/
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