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Re: PROBLEM + POSS FIX: kernel stack overflow, xfs, many disks, heavy wr

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: PROBLEM + POSS FIX: kernel stack overflow, xfs, many disks, heavy write load, 8k stack, x86-64
From: John Berthels <john@xxxxxxxxx>
Date: Thu, 08 Apr 2010 17:18:19 +0100
Cc: linux-kernel@xxxxxxxxxxxxxxx, Nick Gregory <nick@xxxxxxxxx>, Rob Sanderson <rob@xxxxxxxxx>, xfs@xxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <4BBDEC9A.9070903@xxxxxxxxx>
References: <4BBC6719.7080304@xxxxxxxxx> <20100407140523.GJ11036@dastard> <4BBCAB57.3000106@xxxxxxxxx> <20100407234341.GK11036@dastard> <20100408030347.GM11036@dastard> <4BBDC92D.8060503@xxxxxxxxx> <4BBDEC9A.9070903@xxxxxxxxx>
User-agent: Thunderbird 2.0.0.24 (X11/20100317)
John Berthels wrote:
John Berthels wrote:
I'll reply again after it's been running long enough to draw conclusions.
The box with patch+THREAD_ORDER 1+LOCKDEP went down (with no further logging retrievable by /var/log/messages or netconsole).

We're loading up a 2.6.33.2 + patch + THREAD_ORDER 2 (no LOCKDEP) to get better info as to whether we are still blowing the 8k limit with the patch in place.

jb

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