Hi Michael, On Mon, Aug 11, 2025 at 01:35:25PM +0300, Michael Tokarev wrote: > Control: tag -1 + moreinfo > > On Tue, 22 Apr 2025 18:59:36 +0200 Christian Kastner <[email protected]> wrote: > > Hi, > > > > On 2025-04-19 06:54, 贾昊 wrote: > > > The virtual machine works normally on Debian 12.8 (linux-image-6.1.0-28- > > > amd64), but after upgrading to Debian 12.10 (linux-image-6.1.0-33- > > > amd64), it fails to start. Rolling back the kernel to 6.1.0-28-amd64 > > > allows the virtual machine to start again. > > > > I can confirm this issue, and the solution, with AMD GPU Navi 3x cards > > (I've seen in occur with W7700, W7800). > > > > This doesn't seem to be an issue with other AMD GPUs, for example Navi > > 2x still works fine. > > > > Although I cannot be sure, I think the the kernel is much more likely to > > be the culprit here. We found another pass-through bug [1] a while ago > > where the issue was related to a workaround for a hardware bug in Navi 3x. > > Yes, this seems to be a kernel issue rather than qemu issue. Please > verify if the next bookworm kernel update (6.1.0-35-amd64) fixed the > issue - there were some issues and updates in that area. > > And if the last bookworm kernel shows the issue still, we can try to dig > into more details for bookworm - provided trixie kernel works fine (you > can verify it on a bookworm system by installing kernel from backports).
I'm "almost" sure this is the same as #1102889. Regards, Salvatore
