linux-kernel - linux-4.10.1 [Firmware Bug]: disabling VPD access

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Date:   Tue, 7 Mar 2017 17:37:38 +0100
From:   Klaus Dittrich <kladit@...or.de>
To:     kernel <linux-kernel@...r.kernel.org>
Subject: linux-4.10.1 [Firmware Bug]: disabling VPD access

System information:

[    0.000000] microcode: microcode updated early to revision 0x1c, date 
= 2015-02-26

[    0.000000] Linux version 4.10.1 (root@xyz) (gcc version 6.3.1 
20170302 (GCC) ) #3 SMP PREEMPT Tue Mar 7 11:50:41 CET 2017

[    0.000000] SMBIOS 2.7 present.
[    0.000000] DMI: Gigabyte Technology Co., Ltd. To be filled by 
O.E.M./Z77X-UD3H, BIOS F17 08/22/2012

[    0.030029] smpboot: CPU0: Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz 
(family: 0x6, model: 0x3a, stepping: 0x9)

Error message:

[    0.588565] PCI: CLS mismatch (64 != 32), using 64 bytes
[    0.588568] pci 0000:05:00.0: [Firmware Bug]: disabling VPD access 
(can't determine size of non-standard VPD format)
[    0.588689] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

Is this a kernel, a microcode or a mobo bug?

Anything I can do?

-- 

regards Klaus