Re: [Xen-devel] Skylake: VT-d and other error messages

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 02/12/15 02:51, Eric Shelton wrote:

ASRock Z170 Extreme 4 with BIOS version 2.30 was motherboard #1

GigabyteÂGA-Z170XP-SLI with BIOS version F5 was motherboard #2

As I initially reported, both were reporting the error involving f0:1f.0

Not surprisingly, there are no f0:xx.y devices. The closest I suppose is:

00:1f.0 ISA Bridge: Intel Corporation Sunrise Point-H LPC Controller (rev 31)

At the moment, I am back on vanilla 4.6.0, and no such error messages are being reported via 'xl dmesg'. I am guessing reporting of this error was added post-4.6.

Eric

Nothing obvious comes to mind which would have this effect.

Can you provide `lspci -tv` from one of the affected systems?

If the platform is generating interrupts from a non-existent device, something is quite broken.

~Andrew

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