On Mon, Feb 04, 2008 at 09:40:55PM +1100, Nick Piggin wrote: > 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?
No and yes. > Can you try to get sysrq+T traces, and sysrq+P traces, and post > them? I played with those after you suggested it, but without serial console had no way to capture them. I was able to solve the problem, however, like so: 132c133 < # CONFIG_PREEMPT_NONE is not set --- > CONFIG_PREEMPT_NONE=y 134,135c135,136 < CONFIG_PREEMPT=y < CONFIG_PREEMPT_BKL=y --- > # CONFIG_PREEMPT is not set > # CONFIG_PREEMPT_BKL is not set -Robin -- Lojban Reason #17: http://en.wikipedia.org/wiki/Buffalo_buffalo Proud Supporter of the Singularity Institute - http://singinst.org/ http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

