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X-Sonic-MF: X-Sonic-ID: 44f43abe-1d8f-491e-8721-fef69cea284d Received: from sonic.gate.mail.ne1.yahoo.com by mail-asdoutdeli-p-cin-usea1-prod-sonicconsumer-svc-102 with HTTP; Fri, 2 Oct 2026 17:18:46 +0000 Received: from dip117.lsn.bf1.yahoo.com ([67.195.177.126]) by hello (SMTP) with SMTP ID f4c847716543b17220b197b5028b5c41; Fri, 02 Oct 2026 17:18:43 +0000 (UTC) From: Daniel Campos Ramos To: Zhenhao Wan Cc: Lyude Paul , Danilo Krummrich , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, Yuhao Jiang , stable@vger.kernel.org, Jim Cromie Subject: Re: [PATCH 2/2] drm/nouveau: prevent NULL deref of gr in GETPARAM_GRAPH_UNITS Date: Fri, 2 Oct 2026 14:18:32 -0300 Message-ID: <20261002171838.282505-1-Capitain_Jack@yahoo.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260812-nouveau-nvkm-absent-subdev-null-deref-v1-2-7e057f6aeba0@gmail.com> References: <20260812-nouveau-nvkm-absent-subdev-null-deref-v1-2-7e057f6aeba0@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Zhenhao, Tested on an RTX 3060 (GA106) under nouveau without firmware-nvidia-gsp, kernel 7.3-rc1. Together with Jim Cromie's GET_ZCULL_INFO fix, this removes the second oops (nvkm_gr_units+0x9) that kills kwin_wayland when NVK starts. KWin then composites, and NVK refuses the device cleanly. Details in my reply to Jim's patch. Tested-by: Daniel Campos Ramos Daniel