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Message-Id: <1208928277.9212.1.camel@concordia.ozlabs.ibm.com>
Date: Wed, 23 Apr 2008 15:24:37 +1000
From: Michael Ellerman <michael@...erman.id.au>
To: yhlu.kernel@...il.com
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Ingo Molnar <mingo@...e.hu>,
Jesse Barnes <jbarnes@...tuousgeek.org>,
Greg KH <greg@...ah.com>, David Miller <davem@...emloft.net>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Jeff Garzik <jeff@...zik.org>,
linux-pci <linux-pci@...ey.karlin.mff.cuni.cz>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
James Bottomley <James.Bottomley@...senpartnership.com>,
Sathya Prakash <sathya.prakash@....com>
Subject: Re: [PATCH] pci: let pci_device_shutdown to call pci_disable_msi
On Tue, 2008-04-22 at 21:48 -0700, Yinghai Lu wrote:
> this change
>
> | commit 23a274c8a5adafc74a66f16988776fc7dd6f6e51
> | Author: Prakash, Sathya <sathya.prakash@....com>
> | Date: Fri Mar 7 15:53:21 2008 +0530
> |
> | [SCSI] mpt fusion: Enable MSI by default for SAS controllers
> |
> | This patch modifies the driver to enable MSI by default for all SAS chips.
> |
> | Signed-off-by: Sathya Prakash <sathya.prakash@....com>
> | Signed-off-by: James Bottomley <James.Bottomley@...senPartnership.com>
> |
> cause kexec RHEL 5.1 kernel fail.
>
> root casue: the rhel 5.1 kernel still use INTx emulation.
> and mptscsih_shutdown doesn't call pci_disable_msi to reenable INTx on kexec path
>
> so try to call pci_disable_msi in shutdown patch
How is kdump going to work? Your shutdown routine won't be called and
you'll have the same problem in the 2nd kernel, won't you?
cheers
--
Michael Ellerman
OzLabs, IBM Australia Development Lab
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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