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SubjectRE: Supermicro X9SRL-F - channel enumeration error & ACPI/firmware bug question
Date


-----Original Message-----
From: Bjorn Helgaas [mailto:bhelgaas@google.com]
Sent: Wednesday, November 28, 2012 6:54 PM
To: Justin Piszcz
Cc: Bruno Prémont; support@supermicro.com; linux-kernel@vger.kernel.org; Dan
Williams
Subject: Re: Supermicro X9SRL-F - channel enumeration error & ACPI/firmware
bug question

On Tue, Nov 27, 2012 at 6:49 AM, Justin Piszcz <jpiszcz@lucidpixels.com>
wrote:
>
>> It looks like maybe you don't have CONFIG_PCI_MMCONFIG turned on?
>
> ===> FOR I/OAT DMA
> Latest status, it _appears_ its working on the X9SRL-F now, thank you!
>
> 1) Supermicro X9SRL-F (GOOD)
> [ 0.738510] ioatdma: Intel(R) QuickData Technology Driver 4.00
> [ 0.738719] ioatdma 0000:00:04.0: irq 75 for MSI/MSI-X
> [ 0.739088] ioatdma 0000:00:04.1: irq 76 for MSI/MSI-X
> [ 0.739408] ioatdma 0000:00:04.2: irq 77 for MSI/MSI-X
> [ 0.739739] ioatdma 0000:00:04.3: irq 78 for MSI/MSI-X
> [ 0.740040] ioatdma 0000:00:04.4: irq 79 for MSI/MSI-X
> [ 0.740342] ioatdma 0000:00:04.5: irq 80 for MSI/MSI-X
> [ 0.740670] ioatdma 0000:00:04.6: irq 81 for MSI/MSI-X
> [ 0.740971] ioatdma 0000:00:04.7: irq 82 for MSI/MSI-X

Good. You have two issues, and I'm going to separate them and only
address the first one here. I opened a bug report [1] against the
IOAT driver. It should do something more useful when
CONFIG_PCI_MMCONFIG=n so we don't have to debug this again in the
future. But otherwise, it sounds like this issue is resolved.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=51101

--

Yes--(agree w/ config option) Thank you!

Justin.

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