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    SubjectRe: sysrq-t dumps of s2ram/fuse deadlock (was Re: [PATCH] Remove process freezer from suspend to RAM pathway)
    On Wed 2007-07-11 14:28:20, Matthew Garrett wrote:
    > On Mon, Jul 09, 2007 at 01:29:05PM +0000, Pavel Machek wrote:
    > > Hi!
    > >
    > > Can we get them? They are neccessary for debugging 'what in suspend
    > > calls fuse' problem. And yes, that problem is there even when you
    > > remove freezer.
    >
    > I can produce them, but haven't managed to do that in any way that lets
    > me get them off the system yet.
    >
    > > Matthew, you seem to be the only one able to produce them...
    >
    > sys_sync may not do anything on a fuse filesystem, but if you've
    > loopback-mounted an ext3 filesystem from that fuse filesystem then it's
    > going to result in writes to it and deadlock.

    Aha, yes, that explains the problem. Thanks!
    Pavel
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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