Messages in this thread | | | From | Nick Piggin <> | Subject | Re: Monthly md check == hung machine; how do I debug? | Date | Mon, 4 Feb 2008 21:40:55 +1100 |
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On Monday 04 February 2008 08:21, Robin Lee Powell wrote: > I've got a machine with a 4 disk SATA raid10 configuration using md. > The entire disk is loop-AES encrypted, but that shouldn't matter > here. > > Once a month, Debian runs: > > /usr/share/mdadm/checkarray --cron --all --quiet > > and the machine hangs within 30 minutes of that starting. > > It seems that I can avoid the hang by not having "mdadm --monitor" > running, but I'm not certain if that's the case or if I've just been > lucky this go-round. > > I'm on kernel 2.6.23.1, my own compile thereof, x86_64, AMD > Athlon(tm) 64 Processor 3700+. > > I've looked through all the 2.6.23 and 2.6.24 Changelogs, and I > can't find anything that looks relevant. > > So, how can I (help you all) debug this?
Do you have a serial console? Does it respond to pings?
Can you try to get sysrq+T traces, and sysrq+P traces, and post them?
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