APPLIED: [SRU][Q][PATCH v3 0/1] nouveau: don't attempt fwsec on sb on newer platforms
Edoardo Canepa
edoardo.canepa at canonical.com
Thu May 28 22:46:18 UTC 2026
Applied to Q:linux/master-next. Thanks.
On 5/28/26 19:05, Abdur Rahman wrote:
> BugLink: https://bugs.launchpad.net/bugs/2154481
>
> SRU Justification:
>
> [Impact]
>
> The bug causes boot failure of Questing generic kernel on systems with latest
> nvidia hardware. A kernel oops due to a Null pointer dereference is observed
> on bootup. The behavior is undefined in such conditions. The system may boot
> but show various kinds of issues. The issue roots from the nouveau module.
>
> [Fix]
>
> Cherry-pick upstream commit:
> e8b3627bec35 ("nouveau: don't attempt fwsec on sb on newer platforms.")
>
> [Test Plan]
>
> Build test and boot test for the kernel should pass for all tested hardware.
>
> [Where problems could occur]
>
> Since the fix touches the nouveau module, any regression in the fix commit
> would end up showing undefined behavior through this module.
>
> Dave Airlie (1):
> nouveau: don't attempt fwsec on sb on newer platforms.
>
> .../gpu/drm/nouveau/nvkm/subdev/gsp/ad102.c | 3 +++
> .../gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c | 8 +------
> .../gpu/drm/nouveau/nvkm/subdev/gsp/ga100.c | 3 +++
> .../gpu/drm/nouveau/nvkm/subdev/gsp/ga102.c | 3 +++
> .../gpu/drm/nouveau/nvkm/subdev/gsp/priv.h | 23 +++++++++++++++++--
> .../gpu/drm/nouveau/nvkm/subdev/gsp/tu102.c | 15 ++++++++++++
> .../gpu/drm/nouveau/nvkm/subdev/gsp/tu116.c | 3 +++
> 7 files changed, 49 insertions(+), 9 deletions(-)
>
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