Re: kernel panic, problems getting backtrace from saved core

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Wed, 3 Oct 2012, Thomas Klausner wrote:
> About two weeks ago I had a kernel panic.
>
> Sep 15 00:49:31 yt savecore: warning: /dev/ksyms version mismatch:      NetBSD 
> 6.99.11 (YT) #23: Tue Sep 11 23:23:01 CEST 2012  
> wiz%yt.nih.at@localhost:/archive/cvs/src/sys/arch/amd64/compile/obj/YT  and     
>   C
> Sep 15 00:49:31 yt savecore: reboot after panic: .tn_readdir_lastp == NULL || 
> tmpfs_dircookie((node)->tn_spAecN.ItNnG_:d iSrP.Lt nN_rOeTa dLdOiWrE_RlEaDs OtNp )S Y=S=C A(LnLo 
> de)-1>0t6n _4s pEeXcI.Tt n_d1i8rf.t0n _r6e addir_lastn" failed: file 
> "/archive/cvs/src/sys/fs/tmpfs/tmpfs.h", line 357  cpu6: Begin traceback... WARNING: SPL 
> NOT LOWERE
> Sep 15 00:49:31 yt savecore: system went down at Fri Sep 14 13:26:33 2012
> Sep 15 00:49:32 yt savecore: writing compressed core to 
> /var/crash/netbsd.1.core.gz
>
> Today I wanted to look at the backtrace, but couldn't.
> # gzcat /var/crash/netbsd.1.core.gz > core
> # gzcat /var/crash/netbsd.1.gz > kernel
> # ls -l
> total 12577920
> -rw-rw-r--  1 wiz  wheel  12875588120 Oct  3 22:12 core
> -rw-r--r--  1 wiz  wheel       961748 Oct  3 22:12 kernel

This kernel can't be right for amd64.

--
Stephen