From: Dan Aloni <da-x@monatomic.org>
To: Mark Lord <liml@rtr.ca>
Cc: "Eric D. Mudama" <edmudama@gmail.com>,
Linux Kernel List <linux-kernel@vger.kernel.org>,
Jeff Garzik <jgarzik@pobox.com>, Mark Lord <lkml@rtr.ca>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: sata_mv: module reloading doesn't work
Date: Tue, 4 Apr 2006 09:08:28 +0300 [thread overview]
Message-ID: <20060404060828.GA11996@localdomain> (raw)
In-Reply-To: <4431DE2B.1020306@rtr.ca>
On Mon, Apr 03, 2006 at 10:47:07PM -0400, Mark Lord wrote:
> Dan Aloni wrote:
> >
> > * Normal boot
> > * insmod sata_mv
> > * all is okay, as expected
> > * rmmod sata_mv
> > * insmod sata_mv
> > * all is bad, as expected
> > * kexec
> > * insmod sata_mv
> > * all is bad!
> >
> >Conclusion: sata_mv's shutdown does something bad.
>
> sata_mv seems to just use the default libata shutdown sequence,
> so perhaps it's leaving the device in EDMA mode with interrupt
> coalescing still on (from the BIOS), and interrupts are still
> coming in or something..
>
> I suppose it really ought to shut down the device before exiting,
> and maybe the default of pci_disable_device() is not enough.. ?
BTW, can you tell what firmware version are you using? I'm
using rev 9, perhaps it also plays some role in this problem.
--
Dan Aloni, Linux specialist
XIV LTD, http://www.xivstorage.com
da-x@monatomic.org, da-x@colinux.org, da-x@gmx.net, dan@xiv.co.il
prev parent reply other threads:[~2006-04-04 6:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-02 15:56 sata_mv: module reloading doesn't work Dan Aloni
2006-04-02 16:05 ` Mark Lord
2006-04-02 16:14 ` Dan Aloni
2006-04-02 16:21 ` Mark Lord
2006-04-02 19:05 ` Dan Aloni
2006-04-02 17:59 ` Eric D. Mudama
2006-04-02 22:44 ` Dan Aloni
2006-04-03 21:57 ` Dan Aloni
2006-04-04 2:47 ` Mark Lord
2006-04-04 5:24 ` Dan Aloni
2006-04-04 6:08 ` Dan Aloni [this message]
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