On 14/12/2021 05:58, Yang, Dong wrote:
Thanks Tvrtko, I will try the patch you mentioned.
BTW, how do you think we use this patch in our project, any side-effect it may
have? If no side-effect we can take it as WA for temporally fix till we got
the final root fixed.
For side effects I can
Sent: Monday, December 13, 2021 5:37 PM
To: Yang, Dong ; intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/gt: Do not add same i915_request to
intel_context twice
On 13/12/2021 01:53, Yang, Dong wrote:
> I am working on a customized kernel based on 5.4.39, issue can o
ut it looks unlikely it is simple double add due parallel enablement.
Regards,
Tvrtko
Thanks,
Dong
-Original Message-
From: Tvrtko Ursulin
Sent: Friday, December 10, 2021 4:51 PM
To: Yang, Dong ; intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/gt: Do not add
p.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/gt: Do not add same i915_request to
intel_context twice
On 10/12/2021 01:31, dong.y...@intel.com wrote:
> From: "Yang, Dong"
>
> With unknow race condition, the i915_request will be added
What do you mean with unknown here?
> to
On 10/12/2021 01:31, dong.y...@intel.com wrote:
From: "Yang, Dong"
With unknow race condition, the i915_request will be added
What do you mean with unknown here?
to intel_context list twice, and result in system panic.
If node alreay exist then do not add it again.
Note the call chains
From: "Yang, Dong"
With unknow race condition, the i915_request will be added
to intel_context list twice, and result in system panic.
If node alreay exist then do not add it again.
Signed-off-by: Yang, Dong
---
drivers/gpu/drm/i915/gt/intel_breadcrumbs.c | 3 +++
1 file changed, 3 insertions