Date: Mon, 27 Sep 2004 13:39:49 -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: <41587A95.3000106@elischer.org> In-Reply-To: <200409271607.27169.jhb@FreeBSD.org> References: <4157AFE9.2060207@elischer.org> <200409271126.09854.jhb@FreeBSD.org> <415869AD.1000908@elischer.org> <200409271607.27169.jhb@FreeBSD.org>
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John Baldwin wrote: >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. > yeah but I rebuilt after that... I'll try duplicate it and get an equivalent.. > > > >>>*witness_checkorder+0x6a'? >>> >>> > > >
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