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From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: David Vrabel <david.vrabel@csr.com>
Cc: "Moore, Eric" <Eric.Moore@lsi.com>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"Prakash, Sathya" <Sathya.Prakash@lsi.com>
Subject: Re: [PATCH 2/2] fusion:  Implement generic interrupt misroute handling
Date: Tue, 05 Aug 2008 09:36:27 -0700	[thread overview]
Message-ID: <1217954187.9923.15.camel@localhost.localdomain> (raw)
In-Reply-To: <48970A4D.2090309@csr.com>

On Mon, 2008-08-04 at 14:55 +0100, David Vrabel wrote:
> Moore, Eric wrote:
> > Thanks, I will try this out.   However I thought I saw lost
> > interrupts occurring randomly, meaning it was not necessarily the
> > first config page access.  I'm back in the office on 8/11, I will
> > test it out then and provide feedback.
> 
> Is this using MSI on a device without per-vector mask bits?  If so, then
> this patch may help.
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ce6fce4295ba727b36fdc73040e444bd1aae64cd

We don't really know what the problem is.  MSI interrupts get lost on
older motherboards (the ones most likely to contain a 1030).  Why is
anybody's guess although the clever money is on the motherboard bridge
having issues.

James



  reply	other threads:[~2008-08-05 16:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-03 18:05 [PATCH 2/2] fusion: Implement generic interrupt misroute handling James Bottomley
2008-08-03 22:59 ` Moore, Eric
2008-08-03 23:07   ` James Bottomley
2008-08-04 13:55   ` David Vrabel
2008-08-05 16:36     ` James Bottomley [this message]
2008-08-05 17:38       ` Jesse Barnes
2008-08-05 20:45         ` James Bottomley

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