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From: Matthew Schwartz Subject: [REGRESSION][BISECTED] Freeze when nouveau loads GSP firmware during boot on Blackwell Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT Message-ID-Hash: MHZHC2V5NTXH3UU4K6NQDNENBMIUWF4Z X-Message-ID-Hash: MHZHC2V5NTXH3UU4K6NQDNENBMIUWF4Z X-MailFrom: matthew.schwartz@linux.dev X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: regressions@lists.linux.dev, nouveau@lists.freedesktop.org, "dri-devel@lists.freedesktop.org" X-Mailman-Version: 3.3.8 Precedence: list List-Id: Nouveau development list Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Hello, On the 6.19-rc kernel series with linux-firmware 20251125, I have been unable to boot into the kernel while using nouveau on my RTX 5090 rig. It appears to freeze right after "nouveau 0000:01:00.0: gsp: RM version: 570.144" appears in my dmesg, and it locks up at this point. It works fine if I blacklist nouveau or use nomodeset. After bisecting, the first bad commit is da67179e5538 ("drm/nouveau/gsp: Allocate fwsec-sb at boot"). As it's a Blackwell card, I cannot test with GSP disabled. Still trying to figure out the best way to provide complete logs of the freeze, as it's too early to go into my journal and sysrq keys don't work when it freezes... Thanks, Matt