Messages in this thread | | | Date | Thu, 29 Mar 2012 15:53:54 -0400 | From | Dave Jones <> | Subject | Re: lockups shortly after booting in current git. |
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On Thu, Mar 29, 2012 at 11:36:49AM -0700, Linus Torvalds wrote: > On Thu, Mar 29, 2012 at 11:26 AM, Dave Jones <davej@redhat.com> wrote: > > On Thu, Mar 29, 2012 at 09:03:31AM -0700, Linus Torvalds wrote: > > > Can you do sysrq-w (or whatever it is that does only the D-state > > > processes)? That might give the more relevant process information without > > > everything else making it unreadable... > > > > http://codemonkey.org.uk/junk/process-trace2.txt > > Ok, this doesn't look all that different, but now it's not truncated > any more because the random "waits for children or poll" cases are > gone. > > It's still basically all blocked on the ext4 journal. All writes as > far as I can see. > > That said, there's that odd kworker/1:2 there that seems to be > constantly running. Can you get the EIP for that one (several times) > by doing sysrq-p (or maybe sysrq-l is better - that should give the > stack trace too).
Took a while to reproduce that time (but now I have a theory, going to try and reproduce that after sending this mail).
sysrq-p looks kinda boring. I couldn't get sysrq-l to coincide with kworker running.
http://codemonkey.org.uk/junk/process-trace3.txt
Dave
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