From: Dave Chinner <david@fromorbit.com>
To: Hrishikesh Barua <talonx@gmail.com>
Cc: Brian Foster <bfoster@redhat.com>, xfs@oss.sgi.com
Subject: Re: Occassional problems with unfreeze
Date: Thu, 25 Sep 2014 17:18:52 +1000 [thread overview]
Message-ID: <20140925071852.GE4758@dastard> (raw)
In-Reply-To: <CAD2VtSgdYt2zxmEeWEXmK2B44BKuB-wRKvX4H=jRA9Rj7pyamA@mail.gmail.com>
On Thu, Sep 25, 2014 at 11:37:47AM +0530, Hrishikesh Barua wrote:
> This happened again yesterday and I took the "echo w >
> /proc/sysrq-trigger".
> Output - http://pastebin.com/rpKNSYY7
How long have you been ignoring these messages for?
[30278027.798067] XFS (xvdj): xlog_space_left: head behind tail
[30278027.798069] tail_cycle = 1085, tail_bytes = 1041920
[30278027.798070] GH cycle = 1085, GH bytes = 1039296
XFS is emitting that warning several times a second. Isn't that a
pretty good sign that there's something not quite right and is worth
reporting?
Indeed, you are running an old kern (3.2.0-54) which means it won't
have this fix:
3948659 xfs: Account log unmount transaction correctly
And that's likely to be the source of all your freeze/unfreeze
problems because it will eventually hang the log when it's leaked
all it's space in the ether....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2014-09-25 7:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-16 11:20 Occassional problems with unfreeze Hrishikesh Barua
2014-07-16 12:47 ` Brian Foster
2014-07-16 13:23 ` Hrishikesh Barua
2014-09-25 6:07 ` Hrishikesh Barua
2014-09-25 7:18 ` Dave Chinner [this message]
2014-09-26 12:02 ` Hrishikesh Barua
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