4 Nov
2014
4 Nov
'14
6:23 a.m.
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@pagestation.com 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