On Mon, Nov 03, 2014 at 03:03:16PM +0100, Peter Kjellström wrote:
> On Mon, 3 Nov 2014 08:33:27 -0500
> Jerry Geis <geisj@xxxxxxxxxxxxxxx> wrote:
>
> > I am seeing this in dmesg on Dell Poweredge 860
> >
> >
> > INFO: task tail:17872 blocked for more than 120 seconds.
>
> It's a generic "something might be wrong" alert issued since (in this
> case) a tail process blocked (on I/O) for more than 120s. It can be I/O
> overload, flaky remote filesystems, badly behaving drivers, too slow
> (I/O) hardware...
In my recent experience (~ 5 years) with a big fleet of servers (800
right now), this always indicates a hardware problem with the
cpu/mobo/something-like-that.
Then again, I haven't used a remote filesystem in the past 5 years!
:-)
-- greg
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