Re: Fatal trap on RELENG_5_1 SMP

Hello


I've rebuilt the kernel with these debug-options, and now I'm
having difficulty reproducing the problem. That was not an issue
before. Everytime I did 'shutdown', it crashed.

Will continue trying. Any suggestions?

Regards
Magnus

 --- Robert Watson <rwatson_at_freebsd.org> skrev: > Could you
build your kernel with options DDB and debugging
> symbols, and
> when the kernel drops to the debugger on this panic, copy and
> past the
> stack trace into an e-mail?  Alternatively, or perhaps as
> well, extract
> the information with a core.  There are some excellent
> instructions on
> generating some comprehensive crash reports here:
> 
>
http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html
> 
> This looks like it's a NULL pointer dereference, so the
> question we need
> to answer is: which pointer?  To do that, we'll need to turn
> that back
> into a C line number, which will need the kernel with
> debugging symbols.
> 
> Thanks!
> 
> Robert N M Watson             FreeBSD Core Team, TrustedBSD
> Projects
> robert_at_fledge.watson.org      Network Associates Laboratories
> 
> On Sun, 1 Jun 2003, Magnus J wrote:
> 
> > Hello everyone
> > 
> > 
> > I'm getting a fatal trap when I do 'shutdown' on an SMP-box
> that
> > I did cvsup on RELENG_5_1 yesterday.
> > 'reboot' works without any problems.
> > 
> > This is the message:
> > 
> > Fatal trap 12: page fault while in kernel mode
> > cpuid=1; lapic.id = 01000000
> > fault virtual address   = 0x0
> > fault code              = supervisor read, page not present
> > instruction pointer     = 0x8:0xe0197d11
> > stack pointer           = 0x10:0xe0197cec
> > frame pointer           = 0x10:0x8
> > 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         = 11 (idle: cpu1)
> > trap number             = 12
> > panic: page fault
> > cpuid=1; lapic.id = 01000000
> > boot() called on cpu#1
> > 
> > 
> > The machine is a 2x933 MHz PIII, Mainboard is Tyan Tiger
> 230,
> > 1.5 GB RAM.
> > 
> > If you need more details, please let me know.
> > I'm not a member of this mailing list.
> > 
> > Regards
> > Magnus
> > 
> > 
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>  

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