Control: tag -1 moreinfo
On Tue, 2015-03-17 at 19:59 +0000, Chris Bainbridge wrote:
> Package: src:linux
> Version: 3.16.7-ckt7-1
> Severity: normal
>
> Dear Maintainer,
>
> As documented at
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1384342 a
> GPU hang will regularly occur on Intel IvyBridge and Haswell GPUs.
>
> This was fixed upstream in patches 48bf5b2 and 2a92d5b which were
> included in Linux 3.19.
>
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date: Sat Dec 27 09:48:28 2014 +0000
>
> drm/i915: Ban Haswell from using RCS flips
>
> Like Ivybridge, we have reports that we get random hangs when
> flipping
> with multiple pipes. Extend
>
> commit 2a92d5bca1999b69c78f3c3e97b5484985b094b9
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date: Tue Jul 8 10:40:29 2014 +0100
>
> drm/i915: Disable RCS flips on Ivybridge
>
> to also apply to Haswell.
Both of those fixes are included in 3.16.7-ckt7-1, the version you
reported this against. Are you still seeing a similar problem?
Ben.
--
Ben Hutchings
Power corrupts. Absolute power is kind of neat.
- John Lehman, Secretary of the US Navy 1981-1987
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