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Date: Thu, 21 Nov 2002 18:11:31 -0800
From: William Lee Irwin III <wli@holomorphy.com>
To: Matthew Dobson <colpatch@us.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.48 hangs during boot
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On Thu, Nov 21, 2002 at 05:58:37PM -0800, Matthew Dobson wrote:
> Hello all,
> 	2.5.48 + Bill/Martin's noearlyirq patch hangs on boot on our NUMA-Q 
> machines.  It boots normally up to
> TCP: Hash tables configured (established 524288 bind 65536)
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> VFS: Mounted root (ext2 filesystem) readonly.
> Freeing unused kernel memory: 268k freed
> Then it *VERY* slowly proceeds to output a few more lines before hanging 
> completely.  The lines come out one at a time, with large time delays 
> between each line.  The last bit of output I get is the enabling swap line.
> The -mm1 patch fixes this problem, and I'm in the process of determining 
> exactly what fixes it.  Any input/ideas would be greatly appreciated.
> Thanks!
> -Matt

get the axboe/akpm fixes for the elevator deadlock and/or an intermediate
bk tree. This is an io scheduling issue.


Bill
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