In a previous message, Ben Myers wrote:
> I took a brief look at your report. I think a traceback would be
> echo t > /proc/sysrq-trigger should do the trick. You're in the middle
> of unmount so you might need to go serial console to capture the output.
> Your report metions freeze/thaw. This is an area where we've had
> deadlocks in the past, so I wouldn't be surprised if that is what you're
> hitting. We'll have to see.
Sure. If I do a reboot, and let it go through the motions, then I let it
hang for more than 120 seconds, sometimes it displays a traceback on it's
own. If not, I can trigger it from the serial console (though probably
with break-t instead since this happens at the very end of the shutdown
sequence, so no access to the shell).
I'll have access to the test systems tonight and will get a traceback.
I'll also post what is displayed during the shutdown process right before
Thanks again for your help.