Date: Fri, 10 Oct 2003 08:12:28 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: hackers@freebsd.org Subject: Panic Message-ID: <20031010.081228.77323310.imp@bsdimp.com>
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I have a dual system, and got this panic last night during installworld. Has anybody else seen this? Or have ideas on tracking it down. Looks like a race in vm somehow. Warner Fatal trap 12: page fault while in kernel mode cpuid = 0; lapic.id = 01000000 fault virtual address = 0xbfca03cc fault code = supervisor read, page not present instruction pointer = 0x8:0xc07c11e8 stack pointer = 0x10:0xe9234b0c frame pointer = 0x10:0xe9234b40 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 = 21802 (sh) kernel: type 12 trap, code=0 Stopped at pmap_enter+0x98: movl 0(%edx),%esi db> trace pmap_enter(c82053a4,280f3000,c27fe088,5,0) at pmap_enter+0x98 vm_fault(c82052f4,280f3000,1,0,c78d4e40) at vm_fault+0x16b2 trap_pfault(e9234d48,1,280f3038,e9234d34,280f3038) at trap_pfault+0x155 trap(2f,2f,2f,0,810c000) at trap+0x1fc calltrap() at calltrap+0x5 --- trap 0xc, eip = 0x80b0fdc, esp = 0xbfbfe6a0, ebp = 0xbfbfe6b8 --- db> panic panic: from debugger cpuid = 0; lapic.id = 01000000 Debugger("panic") Fatal trap 3: breakpoint instruction fault while in kernel mode cpuid = 0; lapic.id = 01000000 (ooops, no core dump)
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