On 21/09/10 23:30, Neil Brown wrote:
Maybe if you can get me a full sysrq-T list that might help.
Just thought I'd follow up on this - it's being a right bastard...
sysrq-T and a 1M buffer works fine when the box isn't in the IO-hung
state, but makes it crash immediately when it is. sysrq-T without the
1M buffer works fine.
I tried getting the console output using a serial console (+IPMI over
LAN), but the box doesn't seem to work correctly with serial console
(output is fine til part-way through the boot process, thereafter is
stops, and anything to /dev/console doesn't appear on the serial port,
although I/O to /dev/ttyS1 works fine).
OK, so I'll use netconsole - nope, netconsole doesn't work on this box
either - all I see on the remote machine is a perfectly fine UDP header,
but the body of the packet is all 0x0s.
I'll try and see what it's doing when I'm physically in front of a VGA
console at some point.
Thanks,
Tim.
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