Re: new Xorg (KMS, etc.) for Radeon 9600

From: Jean-Sébastien Pédron <dumbbell_at_FreeBSD.org>
Date: Wed, 18 Dec 2013 11:22:47 +0100
On 18.12.2013 07:41, dt71_at_gmx.com wrote:
> Jean-Sébastien Pédron wrote, On 12/17/2013 22:20:
>> On 16.12.2013 08:36, dt71_at_gmx.com wrote:
>>> Still nobody wants to apply Robert Noland's DRM patch?
>>
>> What problem(s) does this patch fix?
> 
> It fixes non-deterministic lockups when the (old, drm1) r300 drivers are
> used.
> 
> According to John Baldwin [1]: "The drm code is doing a copyin() while
> holding a mutex (which is not allowed)." The latest version of the patch
> (also the one I used for years) is at [2], linked from [3].
> 
> [1]
> http://lists.freebsd.org/pipermail/freebsd-current/2009-April/005988.html
> [2] http://people.freebsd.org/~rnoland/drm_radeon-copyin-fix-try2.patch
> [3]
> http://lists.freebsd.org/pipermail/freebsd-current/2009-April/006080.html

Oh, I didn't notice that the patch targets the old driver, not the new
KMS one. I must admit this part isn't my priority and I'm already busy
with the new driver.

Robert, you worked on this patch a few years ago. Could you please look
at it again and maybe commit?

-- 
Jean-Sébastien Pédron


Received on Wed Dec 18 2013 - 09:22:53 UTC

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