On 8/28/07, Trond Myklebust <[email protected]> wrote:
> On Mon, 2007-08-27 at 20:35 -0500, Florin Iucha wrote:
> > On Mon, Aug 27, 2007 at 06:19:29PM -0700, Bret Towe wrote:
> > > On 8/27/07, Trond Myklebust <[email protected]> wrote:
> > > > > > this sounds alot like the post i did yesterday titled 'nfs4 hang regression'
> > > > > > i tracked it down to commit 3d39c691ff486142dd9aaeac12f553f4476b7a6
> > > > >
> > > > > Yes, it certainly does -- all the symptoms match!
> > > >
> > > > Could you and Bret please check if the attached patch fixes the hang?
> > >
> > > no good for me still hangs after ~30minutes
> >
> > I just booted into the new kernel
> > (3d39c691ff486142dd9aaeac12f553f4476b7a6 + Trond's patch) and it hangs
> > in 10-15 minutes.
> >
> > Process traces available at http://iucha.net/nfs/23-rc2-nfs-fix-1/kernel.log.gz
> >
> > Regards,
> > florin
>
> Doh! I see the problem: cancel_delayed_work_sync() shouldn't ever be
> called recursively.
>
> The following patch should be correct. Please just discard the previous
> one...
>
> Trond
>
uptime of 3 hours and keyboard is still working fine
I'll hopefully get to test this on the mini tomorrow for at least 3 hours also
>
> ---------- Forwarded message ----------
> From: Trond Myklebust <[email protected]>
> To:
> Date: Mon, 27 Aug 2007 09:14:56 -0400
> Subject: No Subject
> Doh! We can't use cancel_delayed_work_sync because we may have been called
> from an unmount that was being performed by nfs_automount_task.
>
> Signed-off-by: Trond Myklebust <[email protected]>
> ---
>
> fs/nfs/namespace.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
> index aea76d0..acfc56f 100644
> --- a/fs/nfs/namespace.c
> +++ b/fs/nfs/namespace.c
> @@ -176,7 +176,7 @@ static void nfs_expire_automounts(struct work_struct *work)
> void nfs_release_automount_timer(void)
> {
> if (list_empty(&nfs_automount_list))
> - cancel_delayed_work_sync(&nfs_automount_task);
> + cancel_delayed_work(&nfs_automount_task);
> }
>
> /*
>
>
-
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