linux-kernel - RE: 2.6.23.1 - sata_mv (7042) hang with large file operations

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Message-ID: <BD261180E6D35F4D9D32F3E44FD3D9010AAE89CA@EMPBEDEX.empirix.com>
Date:	Wed, 14 Nov 2007 16:12:21 -0500
From:	"Morrison, Tom" <tmorrison@...irix.com>
To:	"Mark Lord" <liml@....ca>
Cc:	"Jeff Garzik" <jeff@...zik.org>, <linux-ide@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: RE: 2.6.23.1 - sata_mv (7042) hang with large file operations

I have gotten it to boot from those hard-drives and it 
has the same behavior:

  	Copying a large file to the same partition (>150MEG) 
  	causes the system to hang (no I/O - no input/output - 
  	nothing - complete freeze - like a primary resource 
  	is locked up or interrupts got completely & totally 
  	turned off in an ISR and its pending for something?

Only way to get out of this is to power-cycle the box!

@#$@#$#@





-----Original Message-----

> ::: Can you give me exact details of how to set up and reproduce this?
> :::  -- Kernel version
> 
> 	Linux-2.6.23.1
> 
> 	NOTE: I am using ppc (arch/ppc instead of arch/powerpc)
> 
> :::  -- number/config/model of drives
> 
> 	2x250GIG Western Digital - 3 partitions (largest (/dev/sda3
> 	~200Gig - formatted to ext2).
> 
> 	7042 PEX on a MPC8548 Board
> 
> :::  -- exact command line sequence to cause the failure
> 
> 	NFS mount root file system (I am currently rebuild to take away
> 	the NFS file system dependency) - /dev/sda3 is drive in
question...
..

MMmm.. I'd like to see that again without the rootfs-on-NFS.

What exactly do you mean when you say "it just hangs" ?
Everything (dead system)?


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