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    SubjectRE: [BUG][2.5.66bk9+] - tty hangings - patches, dmesg & sysctl+T info
    Date
    It's been three days since I applied the patch. No tty hangings have been
    happening. From what I've tested the patch you've given works great.

    Please consider applying to next BK snapshot.

    Shawn.

    -----Original Message-----
    From: Shawn Starr [mailto:spstarr@sh0n.net]
    Sent: Wednesday, April 09, 2003 1:02 AM
    To: 'Roland Dreier'; 'Andrew Morton'
    Cc: 'rml@tech9.net'; 'rmk@arm.linux.org.uk'; 'linux-kernel@vger.kernel.org'
    Subject: RE: [BUG][2.5.66bk9+] - tty hangings - patches, dmesg & sysctl+T
    info

    Applying akpm's patch now, expect a result in 1-2 days since that's how long
    it takes to begin to destabilize :-)

    Shawn.


    -----Original Message-----
    From: Roland Dreier [mailto:roland@topspin.com]
    Sent: Wednesday, April 09, 2003 12:52 AM
    To: Andrew Morton
    Cc: spstarr@sh0n.net; rml@tech9.net; rmk@arm.linux.org.uk;
    linux-kernel@vger.kernel.org
    Subject: Re: [BUG][2.5.66bk9+] - tty hangings - patches, dmesg & sysctl+T
    info
    Importance: High

    Andrew> No, I agree. I don't think pending delayed work should
    Andrew> contribute to the count at all.

    Andrew> If someone wants to synchronise with the workqueue system
    Andrew> they should cancel any delayed work which they own (via
    Andrew> cancel_scheduled_work) and then wait on any
    Andrew> currently-queued works via flush_scheduled_work().

    Andrew> So flush_scheduled_work() only needs to care about
    Andrew> currently-queued works, not the ones which are pending a
    Andrew> timer event.

    Andrew> And flush_scheduled_work() needs to be taught to not lock
    Andrew> up if someone keeps re-adding work.

    Ah, I see... your patch that added insert_sequence and remove_sequence
    was intended to apply on top of the patch that adds
    cancel_delayed_work().

    Please ignore the reply to your patch that I just sent, I
    misunderstood what you were trying to do.

    Shawn, I think if you add Andrew's most recent patch on top of what
    you were running with, your problem should probably be fixed.

    Sorry for the extra noise.

    - Roland



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