At 12:21 PM 6/20/2003 -0400, Robert Watson wrote: >If you have a version of the kernel in question on disk and with debugging >symbols, could you attach gdb -k to it and send us the results of: > > l *0xc01f6212 > >That will provide a bit more information about where the panic is >occuring. This is likely a NULL pointer dereference. > >Robert N M Watson FreeBSD Core Team, TrustedBSD Projects >robert_at_fledge.watson.org Network Associates Laboratories > >On Fri, 20 Jun 2003, Manfred Antar wrote: > >> For the past week i have not been able to boot with current kernel. >> The last kernel that works is from Sat June 14th. >> When I build and try and boot a current kernel I get: >> Fatal trap 12: page fault while in kernel mode >> fault virtual address = 0x38 >> fault code = supervisor read, page not present >> instruction pointer = 0x8:0xc01f6212 >> stack pointer = 0x10:0xc04b1e24 >> frame pointer = 0x10:0xc04b1e24 >> 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 = 0 (swapper) >> trap number = 12 >> panic: page fault >> Uptime: 1s >> >> >> Fatal trap 12: page fault while in kernel mode >> fault virtual address = 0x38 >> fault code = supervisor read, page not present >> instruction pointer = 0x8:0xc01f6212 >> stack pointer = 0x10:0xc04b1cec >> frame pointer = 0x10:0xc04b1cec >> 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 = 0 (swapper) >> trap number = 12 >> panic: page fault >> Uptime: 1s >> >> This continues to scroll by many times and I can't get to the debugger. >> The machine is i386 SMP dual pentium-pro overdrive processors. >> Same thing happens with kernel configured as UNIprocessor. >> Removing: options KSTACK_PAGES=3 from kernel config file solved the Fatal Trap 12 Manfred ================================== || null_at_pozo.com || || Ph. (415) 681-6235 || ==================================Received on Sat Jun 21 2003 - 08:19:36 UTC
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