13 Mar 2007 20:50
Re: DEC3000M600 crashing to debug console
Mark Ter Morshuizen <mark <at> itbox.co.za>
2007-03-13 19:50:10 GMT
2007-03-13 19:50:10 GMT
Hi Pavel, On Saturday 10 February 2007 03:21, Pavel Cahyna wrote: > On Fri, Feb 09, 2007 at 02:40:24PM +0200, Mark Ter Morshuizen wrote: > > Hi, > > > > My DEC3000 M600 running NetBSD 3.0 has crashed 3 times in the last week. > > When this happens I can still access it via the debug (db>) interface on > > the mmj port. > > Can anyone point me in the direction of some documentation which might > > help me diagnose this? > > what is the panic message displayed on the serial port before the db> > prompt? Thanks for the response. Here's a selection: 8<--------------------------------------------------------------------------------------------------- mountroot: trying ffs... root file system type: ffs readclock: 7/2/28/16/29/45=>1172680185 (1172679826) init: copying out path `/sbin/init' 11 setclock: 7/2/28/16/30/0 Warning: received system correctable error. CPU 0: fatal kernel trap: CPU 0 trap entry = 0x4 (unaligned access fault) CPU 0 a0 = 0xfffffc000343959a CPU 0 a1 = 0x28 CPU 0 a2 = 0x10 CPU 0 pc = 0xfffffc00003290ac CPU 0 ra = 0xfffffc0000322df8 CPU 0 pv = 0xfffffc0000328f70 CPU 0 curlwp = 0x0 panic: trap syncing disks... CPU 0: fatal kernel trap: CPU 0 trap entry = 0x4 (unaligned access fault) CPU 0 a0 = 0xfffffc000be82892 CPU 0 a1 = 0x28 CPU 0 a2 = 0x10 CPU 0 pc = 0xfffffc00003290ac CPU 0 ra = 0xfffffc0000322df8 8<--------------------------------------------------------------------------------------------------- mountroot: trying ffs... root file system type: ffs readclock: 7/3/6/10/46/12=>1173177972 (1173138322) init: copying out path `/sbin/init' 11 setclock: 7/3/6/10/49/42 setclock: 7/3/6/11/26/28 CPU 0: fatal kernel trap: CPU 0 trap entry = 0x4 (unaligned access fault) CPU 0 a0 = 0xfffffc0001f998b2 CPU 0 a1 = 0x28 CPU 0 a2 = 0x10 CPU 0 pc = 0xfffffc00003290ac CPU 0 ra = 0xfffffc0000322df8 CPU 0 pv = 0xfffffc0000328f70 CPU 0 curlwp = 0x0 panic: trap syncing disks... CPU 0: fatal kernel trap: CPU 0 trap entry = 0x4 (unaligned access fault) CPU 0 a0 = 0xfffffc0001f721ba CPU 0 a1 = 0x28 CPU 0 a2 = 0x10 CPU 0 pc = 0xfffffc00003290ac CPU 0 ra = 0xfffffc0000322df8 CPU 0 pv = 0xfffffc0000328f70 CPU 0 curlwp = 0x0 8<--------------------------------------------------------------------------------------------------- mountroot: trying ffs... root file system type: ffs readclock: 7/3/9/6/30/2=>1173421802 (1173391243) init: copying out path `/sbin/init' 11 setclock: 7/3/9/6/33/34 Warning: received processor correctable error. CPU 0: fatal kernel trap: CPU 0 trap entry = 0x4 (unaligned access fault) CPU 0 a0 = 0xfffffc000ab4b1d2 CPU 0 a1 = 0x28 CPU 0 a2 = 0x10 CPU 0 pc = 0xfffffc00003290ac CPU 0 ra = 0xfffffc0000322df8 CPU 0 pv = 0xfffffc0000328f70 CPU 0 curlwp = 0x0 panic: trap db> > also, please generate the backtrace by a "bt" command. db> bt cpu_Debugger() at netbsd:cpu_Debugger+0x4 panic() at netbsd:panic+0x1f8 trap() at netbsd:trap+0x120 XentUna() at netbsd:XentUna+0x20 --- unaligned access fault (from ipl 1) --- tcp_sack_option() at netbsd:tcp_sack_option+0x13c tcp_dooptions() at netbsd:tcp_dooptions+0x278 tcp_input() at netbsd:tcp_input+0xa20 ip_input() at netbsd:ip_input+0xb34 ipintr() at netbsd:ipintr+0xa0 netintr() at netbsd:netintr+0xb8 softintr_dispatch() at netbsd:softintr_dispatch+0x160 exception_return() at netbsd:exception_return+0x7c --- root of call graph --- Sorry this took so long. I've been away on business. Cheers, -- -- Mark Ter Morshuizen www.itbox.co.za 2U Rackmount Casings: http://www.rackmount.co.za
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