https://bugzilla.kernel.org/show_bug.cgi?id=217799 Bagas Sanjaya (bagasdotme@xxxxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bagasdotme@xxxxxxxxx --- Comment #2 from Bagas Sanjaya (bagasdotme@xxxxxxxxx) --- (In reply to Roman Mamedov from comment #0) > Hello, > > I have a virtual machine running the old Windows Server 2003. On kernels > 6.1.44 and 6.1.45, the QEMU VNC window stays dark, not switching to any of > the guest's video modes and the VM process uses only ~64 MB of RAM of the > assigned 2 GB, indefinitely. It's like the VM is paused/halted/stuck before > even starting. The process can be killed successfully and then restarted > again (with the same result), so it is not deadlocked in kernel or the like. > > Kernel 6.1.43 works fine. > > I have also tried downgrading CPU microcode from 20230808 to 20230719, but > that did not help. > > The CPU is AMD Ryzen 5900. I suspect some of the newly added mitigations may > be the culprit? Can you do bisection between v6.1.44 and v6.1.45 to find out the specific mitigation that have this regression? -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.