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[altq 1584] Re: Plz help
Thanks a lot for your reply .
But i am unable to make out from the debugger what exactly is going on.
i can see these things
Fatal trap 12: page fault in kernel mode
Fault virtual code : 0x3c
Fault code: supervisor read ,page not present
instruction pointer: 0x8:0xc113722a
Stack pointer : 0x10:0xc8ed3cd0
frame pointer: 0x10:0xc8ed3cf0
code segment: base 0x0 ,limit 0xfffff,type0x1b
DPL 0,pres 1 def32 1 gran1
processor flags: interupt enabled,resume,IOPL =0
Stopped at rmc_init+0x22: movl ox3c(%eax),%edx
rmc_init(c03afad8,c114580c,1a,c1136a0c,1e) at rmc_init+0x22
cbq_class_create(c145800,c8ed3ea8,0,0,c03c5107) at cbq_class_create+0xdd
This is what i have got by debugging (whatever small knowledge i have of
Can any body figure out the problem with CBQ by looking at the above info.
If more info is needed i wil provide that .
Any help is appreciated.
On Thu, 18 Jul 2002, Nicolas Christin wrote:
> > When i try to run sample configuration file for cbq.lo0 (test run given in
> > INSTALL) my system reboots giving error
> > Fatal Trap 12 : page fault in kernel mode
> > Why such weird behavior with CBQ??
> That error is basically a segfault, but without any further info,
> it's impossible to know what caused it. Most likely, the CBQ module didn't
> compile properly or you failed to create the CBQ device. (HFSC appears to
> be working so...) You should get a dump of your kernel (run the kernel in
> debug mode, and see the FreeBSD handbook for how to get a crash dump),
> that could help you see where the problem is coming from.