Date: Mon, 27 Sep 2004 11:26:09 -0400 From: John Baldwin <jhb@FreeBSD.org> To: Julian Elischer <julian@elischer.org> Cc: Current <freebsd-current@FreeBSD.org> Subject: Re: ktr/alq/witness failure. Message-ID: <200409271126.09854.jhb@FreeBSD.org> In-Reply-To: <4157AFE9.2060207@elischer.org> References: <4157AFE9.2060207@elischer.org>
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On Monday 27 September 2004 02:15 am, Julian Elischer wrote: > I'm not going to stop and debug this now because I'm chasing another > problem but I can probably stash a corefile somewhere if people want it.. Looks like the process mutex is busted or some such. > ref4# sysctl debug.ktr.mask=0x2fffffff > debug.ktr.mask: 262144 > -> > 805306367 > ref4# > ref4# > ref4# sysctl debug.ktr.mask=0x0 > kernel trap 12 with interrupts disabled > > Fatal double fault: > eip = 0xc053336e > esp = 0xcbaa3ff4 > ebp = 0xcbaa401c > cpuid = 0; apic id = 00 > panic: double fault > cpuid = 0 > KDB: enter: panic > [thread 100027] > Stopped at kdb_enter+0x2b: nop > db> tr > kdb_enter(c069adef) at kdb_enter+0x2b > panic(c06b581a,c06b59c4,0,0,0) at panic+0x127 > dblfault_handler() at dblfault_handler+0x7a > --- trap 0x17, eip = 0xc053336e, esp = 0xcbaa3ff4, ebp = 0xcbaa401c --- > witness_checkorder(c111776c,9,c06b5972,2bb) at witness_checkorder+0x6a Can you pull up 'gdb kernel.debug' and do 'l *0xcbaa401c' and 'l *witness_checkorder+0x6a'? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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