(please use reply-to-all)
Kasper Peeters wrote:
Try enabling magic sysrq and press Alt+sysrq+9 then Alt+SysRq+P
I just spent an hour trying to make this work: it's turned on in the
kernel, I have done
echo '1' > /proc/sys/kernel/sysrq
, I have done a 'showkey -s' to find out that my sysrq generates
'0x53', I have done 'setkeycodes 53 84', but none of the
alt-sysrq-command things does anything (even before triggering the
aic7xxx bug, that is). I must have overlooked something stupid.
Anyhow, for what it's worth, the 'rmmod' does spit out some more stuff
to the console just before the crash (inasfar it has not yet scrolled
off the screen):
Sequencer Free SCB List 0 1 2
Sequencer SCB Info
0 SCB_CONTROL[0x0]:SCB_SCSIID[0x67]:SCB_LOW[0x0]:SCB_TAG[0xff]
1 SCB_CONTROL[0x0]:SCB_SCSIID[0xff]:(TWIN_CHNLB|OID|TWIN_TIB)SCB_LUN[0xff]:(SCB_XFERLEN_ODD|LID)SCB_TAG[0xff]
2 SCB_CONTROL[0x0]:SCB_SCSIID[0xff]:(TWIN_CHNLB|OID|TWIN_TIB)SCB_LUN[0xff]:(SCB_XFERLEN_ODD|LID)SCB_TAG[0xff]
Pending List:
2 SCB_CONTROL[0x40]:(DISCENB)SCB_SCSIID[0x47]:SCB_LUN[0x0]
Kernel Free SCB List: 1 0
Untagged Q(4):2
<<< Dump Card State End >>>
qindex = 0, SCB index=0
Kernel Panic - not syncing: Loop 1
Ok, if its a kernel panic then I'm fairly sure sysrq would be useless for
debugging even if it worked on your setup. Also, this is the exact same
message from the Gentoo bug that I mentioned previously:
http://bugs.gentoo.org/102636
Perhaps you could file a bug for this at http://bugzilla.kernel.org and I'll
get the Gentoo bug reporter to post his experience on your bug too.
Thanks,
Daniel
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