Date: Mon, 27 Sep 2004 12:27:41 -0700 From: Julian Elischer <julian@elischer.org> To: John Baldwin <jhb@freebsd.org> Cc: Current <freebsd-current@freebsd.org> Subject: Re: ktr/alq/witness failure. Message-ID: <415869AD.1000908@elischer.org> In-Reply-To: <200409271126.09854.jhb@FreeBSD.org> References: <4157AFE9.2060207@elischer.org> <200409271126.09854.jhb@FreeBSD.org>
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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! >*witness_checkorder+0x6a'? > > >
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