linux-kernel - Re: Crash during SATA reads

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Date:	Thu, 12 Nov 2009 11:12:58 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Glenn Maynard <glenn@...t.org>
Cc:	Jeff Garzik <jeff@...zik.org>, linux-kernel@...r.kernel.org,
	linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: Crash during SATA reads

On Thu, Nov 12 2009, Glenn Maynard wrote:
> On Thu, Nov 12, 2009 at 4:55 AM, Jens Axboe <jens.axboe@...cle.com> wrote:
> > To rule out any potential hardware problems, have you run any extensive
> > memory checks on this machine?
> 
> God damn it.  I ran memtest+ just a week or so ago and it was fine
> through several passes; now it's failing badly.  I'm inclined to send
> Kingston a bill for a day and a half of wasted time.

Auch, perhaps it's just seated badly? Power problems? Or yes, you just
got crap RAM :/

> I didn't think back to memory since I'm used to memory problems in
> userspace, where they cause wildly variable crashes.  Of course, the
> kernel's far more likely to stick data in the same spot, so it makes
> sense that it doesn't cause as much volatility, leading to a bunch of
> related-looking crashes.

Well, at least it's a relief that it isn't a kernel issue :-)

-- 
Jens Axboe

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