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Message-ID: <241c118c2fb60df744bbe351387fc29a34ff6ab9.camel@gmx.de>
Subject: Re: regression: nfs mount (even idle) eventually hangs server
From:   Mike Galbraith <efault@gmx.de>
To:     LKML <linux-kernel@vger.kernel.org>
Cc:     linux-nfs@vger.kernel.org
Date:   Thu, 22 Dec 2022 04:42:26 +0100
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On Wed, 2022-12-21 at 10:56 +0100, Mike Galbraith wrote:
> > 6.1 didn't reproduce either, so it would appear to be a merge window b=
ug.

Ah, not true, turning evolution loose in nfs mounted home and letting
it refresh mailboxes while desktop box was kept busy jammed up 6.1.0 in
fairly short order. =C2=A0

homer:..debug/tracing # grep WARNING: /netconsole.log2
[ 3309.873094] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1655 __queue_=
delayed_work+0x6a/0x90
[ 3309.873446] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1657 __queue_=
delayed_work+0x5a/0x90
[ 3309.873780] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.874120] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.874452] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.874783] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.875099] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.875426] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.875745] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.876064] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0
[ 3309.876383] WARNING: CPU: 1 PID: 78 at kernel/workqueue.c:1500 __queue_=
work+0x33b/0x3d0

Sigh.  Ok 6.0, batter up...

	-Mike