From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 13716] The AIC-7892P controller does not work any more
Date: Sun, 5 Jul 2009 19:51:29 GMT
Message-ID: <200907051951.n65JpTia022623@demeter.kernel.org>
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http://bugzilla.kernel.org/show_bug.cgi?id=13716
--- Comment #1 from Matthew Wilcox 2009-07-05 19:51:29 ---
On Sun, Jul 05, 2009 at 07:23:18PM +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=13716
>
> The usual probe fails with an error message saying that no IRQ could be
> assigned to the controller, possibly due to a corrupt MP table.
>
> The controller works fine with 2.6.30.1 and below.
>
> This is how the adapter is normally initialized (messages from 2.6.29.6):
> aic7xxx 0000:01:03.0: PCI INT A -> GSI 28 (level, low) -> IRQ 28
> scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
>
> aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
>
> With 2.6.31-rc1, the kernel freezes with an error message and tries to restart
> the controller periodically, which always fails.
That sounds like you have an interrupt routing problem, not a problem
with the AIC driver. Can you bisect this down to a particular commit?
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