From: Johannes Berg <johannes@sipsolutions.net>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, bugzilla-daemon@bugzilla.kernel.org
Subject: Re: [Bug 29772] New: memory compaction crashed
Date: Thu, 24 Feb 2011 16:14:21 +0100 [thread overview]
Message-ID: <1298560461.4251.2.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <20110224150605.GX15652@csn.ul.ie>
On Thu, 2011-02-24 at 15:06 +0000, Mel Gorman wrote:
> > Possible. I had some graphics issues with X hanging once a while, but
> > with all of those I could still ssh in and reboot the machine.
>
> It could very well be related with the main difference being that
> compaction blew up with interrupts disabled taking down the whole
> machine. Have you a reproduction case for the X hangs?
No, I don't, it just seems to happen every couple of hours. It just
happened again while I wasn't even touching the laptop (was reading
something else)...
> It might also be worth running memtest on the machine just in case but I
> find it doubtful that it's the problem. A buggy graphics driver feels
> more likely. Are you running anything like compiz? If yes, are the
> hangs still reproducible with it disabled?
No, I'm not running compiz or any other composition manager.
> Thanks. With luck, it'll show up a driver that is corrupting memory.
Well, it hung a minute ago, but I couldn't even ssh in any more...
Sometimes I can, sometimes I can't.
> Ok, good to know. Right now I am leaning towards a buggy graphics driver
> or X server is corrupting memory and compaction suffered particularly
> badly from it.
Yeah, I'm inclined to agree.
Thanks for your help. Can we copy the bug to some DRI folks maybe?
johannes
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next prev parent reply other threads:[~2011-02-24 15:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-29772-27@https.bugzilla.kernel.org/>
2011-02-23 21:40 ` [Bug 29772] New: memory compaction crashed Andrew Morton
2011-02-23 23:39 ` Mel Gorman
2011-02-24 8:47 ` Johannes Berg
2011-02-24 10:37 ` Mel Gorman
2011-02-24 11:25 ` Johannes Berg
2011-02-24 15:06 ` Mel Gorman
2011-02-24 15:14 ` Johannes Berg [this message]
2011-02-24 12:07 ` Johannes Berg
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