On Thu, Jul 10, 2025 at 05:48:08AM +0200, Nam Cao wrote: > On Thu, Jul 10, 2025 at 11:08:18AM +0800, Xi Ruoyao wrote: > > After upgrading my kernel to the recent mainline I've encountered some > > stability issue, like: > > > > - When GDM started gnome-shell, the screen often froze and the only > > thing I could do was to switch into a VT and reboot. > > - Sometimes gnome-shell started "fine" but then starting an application > > (like gnome-console) needed to wait for about a minute. > > - Sometimes the system shutdown process hangs waiting for a service to > > stop. > > - Rarely the system boot process hangs for no obvious reason. > > > > Most strangely in all the cases there are nothing alarming in dmesg or > > system journal. > > > > I'm unsure if this is the culprit but I'm almost sure it's the trigger. > > Maybe there's some race condition in my userspace that the priority > > inversion had happened to hide... but anyway reverting this patch > > seemed to "fix" the issue. > > > > Any thoughts or pointers to diagnose further? I fetched Linus's tree, and noticed that the latest commit in Linus tree fixes an use-after-free issue in eventpoll: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c2e52ebbe885c7eeaabd3b7ddcdc1246fc400d2 Any chance it resolves your issue? Nam
