Date: Mon, 27 Sep 2004 16:07:27 -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: <200409271607.27169.jhb@FreeBSD.org> In-Reply-To: <415869AD.1000908@elischer.org> References: <4157AFE9.2060207@elischer.org> <200409271126.09854.jhb@FreeBSD.org> <415869AD.1000908@elischer.org>
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On Monday 27 September 2004 03:27 pm, Julian Elischer wrote: > John Baldwin wrote: > >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 > > unfortunatly when I tryied to save a coredump it failed.. dumpdev was > not set.. .. DUH! You don't need a coredump for this, just the kernel.debug from your kernel build. > >*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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