Kernel Panic

Brian F. Feldman green at freebsd.org
Tue Nov 4 08:20:12 PST 2003


Steve Ames <steve at energistic.com> wrote:
> 
> For the past few weeks my -CURRENT system has been locking up. With a
> recent kernel (from 11/2) the following appears:
> 
> Fault trap 12:  page fault while in kernel mode
> fault virtual address = 0x24
> fault code  = supervisor read, page not present
> instruction pointer  = 0x8:0xc049d0db
> stack pointer  = 0x10:0xe009cc88
> frame pointer  = 0x10:0xe009cc9c
> 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  = 23 (irq10: dc0)
> trap number  = 12
> panic: page fault
> syncing disks, buffers remaining... 6800 6800
> 
> That bit about the current process and 'dc0' kind of makes me believe
> it was a dc driver issue? I may replace that card (with an ethernet
> card that doesn't use dc) and see if the problem goes away.
> 
> Am I correct in believing this is a dc issue? If so, hope the above
> helps in diagnosing the problem. Otherwise... any other pointers?
instruction pointer  = 0x8:0xc049d0db
That will tell you exactly where the problem is...

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green at FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\




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