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

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Date:	Wed, 14 Nov 2007 17:29:52 -0500
From:	Mark Lord <liml@....ca>
To:	"Morrison, Tom" <tmorrison@...irix.com>
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

Morrison, Tom wrote:
> 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!
..

Okay, a couple of things:

Do this from a text console, not a GUI.
And preferably without ever starting klogd/syslogd during init.

That way you've a much better chance of seeing some kernel diagnostic
messages when it locks up.

Can you boot with "nomsi" kernel parameter?
And I guess we'll need to see the entire kernel .config as well.

This is a tricky one.  The driver behaves fine for me
here with a 7042 rev.2 on PCIe in my x86-32 box.

Cheers
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