On Thu, 2025-07-10 at 06:06 +0200, Nam Cao wrote: > 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? Already tried but no luck. The problem is my distro is a custom build from source and it may be hard to reproduce the exactly same environment :(. I'll attach my .config anyway. -- Xi Ruoyao <xry111@xxxxxxxxxxx>
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