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From: Mark Lord <liml@rtr.ca>
To: Jeff Garzik <jgarzik@pobox.com>, Tejun Heo <htejun@gmail.com>,
	Alan Cox <alan@redhat.com>,
	IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: [PATCH 1/4] libata sata_qstor fix oops on rmmod
Date: Thu, 08 Nov 2007 08:45:43 -0500	[thread overview]
Message-ID: <47331307.9000903@rtr.ca> (raw)
In-Reply-To: <4731DF06.3050202@rtr.ca>

Mark Lord wrote:
> sata_qstor fix oops on rmmod.
> 
> sata_qstor likes to disable the chip on module unload,
> so it provides a libata "host_stop" method to do this.
> But in recent kernels, this routine is now called too late,
> after the PCI mmio resources have already been released.
> Which produces an oops.
> 
> This really needs to be fixed higher up.
> For an interim workaround, we disable this function for now.
> 
> This belongs in 2.6.24.
> 
> Signed-off-by:  Mark Lord <mlord@pobox.com>
> ---
> 
> --- old/drivers/ata/sata_qstor.c    2007-10-12 12:43:44.000000000 -0400
> +++ linux/drivers/ata/sata_qstor.c    2007-11-06 22:32:34.000000000 -0500
> @@ -523,10 +523,20 @@
..

Tejun Heo wrote:
>[PATCH #upstream-fixes] libata: port and host should be stopped before hardware resources are released
..

Once Tejun's fix is applied, this particular sata_qstor patch [1/4]
is no longer necessary and should be dropped.

-ml

      parent reply	other threads:[~2007-11-08 13:45 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-07 15:51 [PATCH 1/4] libata sata_qstor fix oops on rmmod Mark Lord
2007-11-07 15:52 ` [PATCH 2/4] libata sata_qstor nuke idle state Mark Lord
2007-11-08 18:14   ` Jeff Garzik
2007-11-07 15:53 ` [PATCH 3/4] libata sata_qstor workaround for spurious interrupts Mark Lord
2007-11-07 15:54 ` [PATCH 4/4] libata sata_qstor conversion to new error handling (EH) Mark Lord
2007-11-07 23:27   ` Jeff Garzik
2007-11-07 23:32     ` Mark Lord
2007-11-07 23:36       ` Mark Lord
2007-11-07 23:45         ` Jeff Garzik
2007-11-07 23:58           ` Mark Lord
2007-11-07 16:24 ` [PATCH 1/4] libata sata_qstor fix oops on rmmod Mark Lord
2007-11-08  2:30 ` Tejun Heo
2007-11-08 13:45 ` Mark Lord [this message]

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