Messages in this thread | | | Date | Thu, 30 Nov 2006 21:22:48 -0800 | From | Andrew Morton <> | Subject | Re: 2.6.16.32 stuck in generic_file_aio_write() |
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On Wed, 29 Nov 2006 13:41:37 +0100 (CET) Igmar Palsenberg <i.palsenberg@jdi-ict.nl> wrote:
> I've got a machine which occasionally locks up. I can still sysrq it from > a serial console, so it's not entirely dead. > > A sysrq-t learns me that it's got a large number of httpd processes stuck > in D state :
There are known deadlocks in generic_file_write() in kernels up to and including 2.6.17. Pagefaults are involved and I'd need to see the entire sysrq-T output to determine if you're hitting that bug.
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