Neil Brown (neilb@xxxxxxx) wrote on 25 November 2010 07:01: >On Wed, 24 Nov 2010 22:34:21 +0800 Du Jun <dujun@xxxxxxxxxxxxx> wrote: > >> Their's no dmesg information at all before the hang. The system just >> hangs suddenly without any kernel printk or oops. >> >> mdadm version is debian lenny version 2.6.7.2-3 >> >> I will get mdadm -E & mdadm -D informations tomorrow but I doubt they >> are useful. > >Probably not, but they wouldn't hurt either. > >What would really help is if you could capture the result of > sysrq-T > >which I accept might be a challenge depending on how hard the machine really >has frozen. > >Also, make sure the LOCKUP_DETECTOR config options are set, and wait a few >minutes after the hand to see if something pops up. You could also boot with the NMI watchdog. Using netconsole to capture the full traces would be useful as well. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
