2008/11/12 David Miller <davem@xxxxxxxxxxxxx>: > From: Alexander Beregalov <a.beregalov@xxxxxxxxx> > Date: Wed, 12 Nov 2008 02:32:30 +0300 > >> It is on sparc64 (Ultra 10). 2.6.28-rc4-00011-g3ad4f59 >> >> BUG: spinlock lockup on CPU#0, metalog/1322, 00000000007f1430 >> Kernel panic - not syncing: Aiee, killing interrupt handler! >> >> It seems Sysrq does not work. >> >> David, how can I provide more info before I reboot it ? >> >> Full dmesg: > > Hmm, this BUG message should have given you a register dump and a > backtrace. > > Can you give it a "Alt-SysRQ-p" and show the output? No, sysrq does not work, even Stop-A does not work now. How could it be. > > Actually, if you got this over a serial console or > similar, you're not getting the register dump because > the console loglevel is filtering them out. Yes, I use netconsole. > > If that's what's happening, reboot with "ignore_loglevel" > (I always boot with this option, by adding it to the > default kernel command line options in /etc/silo.conf) > > Also, in situations where the system is already booted and > you want to see things like the Alt-SysRQ-p register dumps > on the console, you'll need to type something like > "Alt-SysRQ-8" to bump the console log level. Yes, I know, thanks. Ok, I have rebooted it, let's hope this will happen again... Hm, fsck says Superblock write time is in future. But rtc-m48t59 works correctly now -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html