linux-kernel - Re: [Intel-gfx] Linux 4.8-rc?: WARNING: at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write Missing switch case (16) in gen6_check_mailbox

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 07 Sep 2016 17:49:46 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     linux@...elenboom.it
Cc:     Daniel Vetter <daniel.vetter@...el.com>,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, Lyude <cpaul@...hat.com>
Subject: Re: [Intel-gfx] Linux 4.8-rc?: WARNING: at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write Missing switch case (16) in gen6_check_mailbox_status

On Tue, 06 Sep 2016, linux@...elenboom.it wrote:
> On 2016-09-06 11:25, Jani Nikula wrote:
>> On Tue, 06 Sep 2016, linux@...elenboom.it wrote:
>>> L.S.,
>>> 
>>> Since one of the last 4.8 RC's i'm getting the warning below when
>>> booting on my sandybridge based thinkpad.
>>>  From what it seems the machine still works fine though.
>> 
>> What does 'lspci -nns 2' say for you?
>
> 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd 
> Generation Core Processor Family Integrated Graphics Controller 
> [8086:0126] (rev 09)

Fixed in drm-intel-fixes by

commit fc2780b66b15092ac68272644a522c1624c48547
Author: Chris Wilson <chris@...is-wilson.co.uk>
Date:   Fri Aug 26 11:59:26 2016 +0100

    drm/i915: Add GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE to SNB

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center