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    SubjectRe: Reiserfs deadlock in 2.6.36
    On Fri, Nov 26, 2010 at 5:57 PM, Bastien ROUCARIES
    <> wrote:
    > Dear frederic,
    >> Hi Bastien,
    >> This really looks like a hung task detector report.
    >> Several tasks are stuck in queue_log_writer(), waiting
    >> to be woken up on the "journal->j_join_wait" event and
    >> that never happens because the waker is also stuck.
    >> The problem is your report doesn't show where the waker
    >> is stuck, but the hung task detector reports it, it just
    >> did before or after the chunk you've posted.
    >> If you could provide me the entire report, I could fix this
    >> easily.
    > I have manged to reproduce it after six hour of stress. Unfornatly locked was
    > disabled due to a known non bug, in the init sequence. I have used sysrq -t in
    > order to get more information to you.

    Without debugging enable lock up take about 30 minutes to occurs but
    are really hard to reproduce with debugging on


    > Do I need to try to reproduce it, with a newer kernel ? Or it is sufficient ?

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      Last update: 2010-11-26 18:29    [W:0.023 / U:2.008 seconds]
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