Date: Fri, 01 Feb 2008 13:12:40 +0900 From: gnn@freebsd.org To: John Baldwin <jhb@freebsd.org> Cc: freebsd-amd64@freebsd.org Subject: Re: Recent problems with 6-STABLE... Message-ID: <m27ihp5n7r.wl%gnn@neville-neil.com> In-Reply-To: <200801310617.16333.jhb@freebsd.org> References: <m2fxwgx167.wl%gnn@neville-neil.com> <200801291157.39514.jhb@freebsd.org> <m263xa72uu.wl%gnn@neville-neil.com> <200801310617.16333.jhb@freebsd.org>
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At Thu, 31 Jan 2008 06:17:16 -0500, John Baldwin wrote: > > On Thursday 31 January 2008 04:37:13 am gnn@freebsd.org wrote: > > At Tue, 29 Jan 2008 11:57:39 -0500, > > John Baldwin wrote: > > > > > > On Tuesday 29 January 2008 07:32:16 am gnn@freebsd.org wrote: > > > > Hi, > > > > > > > > I have two boxes running 6-STABLE, post 6.3 release, which have both > > > > spontaneously rebooted, one under load and one not under load. I have > > > > attached dmesg and some traceback information, from the one trace that > > > > looked interesting. Any thoughts or hints would be apprecated. > > > > > > > > To save you scanning all the dmesg first these are dual processor XEON > > > > boxes, each processor has 4 cores. > > > > > > Can you do 'x/i 0xffffffff80296642' to show which instruction faulted? > > > > (kgdb) x/i 0xffffffff80296642 > > 0xffffffff80296642 <pfs_exit+114>: cmp %ecx,0x8(%rdx) > > Hmm, and rdx from your last post was: > > > printf "%x\n" 32491047111385957 > 736e6f69746365 > > > echo "0x73 0x6e 0x6f 0x69 0x74 0x63 0x65" | dh > snoitce > > so it appears you have a data corruption issue. You could check the > hardware (RAM, etc.) but if that is ok you might want to see if you > can isolate it to a specific driver if a driver has a bug (or > hardware has an errata we don't work around yet). Do you have any > custom drivers for hardware that does DMA? If not, which storage > driver (including pciconf output if ATA) and NIC(s) does this box > have? Also, how much RAM? Custom drivers? Not that I know of. This box uses Intel Pro/1000 network drivers and Adaptec AIC7902 SCSI for talking to the disks. The box has 8G of RAM in 2G chunks (which has now been subjected to 40 memtests and passed). Best, George
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