On 2/23/25 3:53 AM, Takashi Iwai wrote: > [ resent due to a wrong address for regression reporting, sorry! ] > > Hi, > > we received a bug report showing the regression on 6.13.1 kernel > against 6.13.0. The symptom is that Chrome and VSCode stopped working > with Gnome Scaling, as reported on openSUSE Tumbleweed bug tracker > https://bugzilla.suse.com/show_bug.cgi?id=1236943 > > Quoting from there: > """ > I use the latest TW on Gnome with a 4K display and 150% > scaling. Everything has been working fine, but recently both Chrome > and VSCode (installed from official non-openSUSE channels) stopped > working with Scaling. > .... > I am using VSCode with: > `--enable-features=UseOzonePlatform --enable-features=WaylandWindowDecorations --ozone-platform-hint=auto` and for Chrome, I select `Preferred Ozone platform` == `Wayland`. > """ > > Surprisingly, the bisection pointed to the backport of the commit > b9b588f22a0c049a14885399e27625635ae6ef91 ("libfs: Use d_children list > to iterate simple_offset directories"). > > Indeed, the revert of this patch on the latest 6.13.4 was confirmed to > fix the issue. Also, the reporter verified that the latest 6.14-rc > release is still affected, too. > > For now I have no concrete idea how the patch could break the behavior > of a graphical application like the above. Let us know if you need > something for debugging. (Or at easiest, join to the bugzilla entry > and ask there; or open another bug report at whatever you like.) > > BTW, I'll be traveling tomorrow, so my reply will be delayed. > > > thanks, > > Takashi > > #regzbot introduced: b9b588f22a0c049a14885399e27625635ae6ef91 > #regzbot monitor: https://bugzilla.suse.com/show_bug.cgi?id=1236943 We received a similar report a few days ago, and are likewise puzzled at the commit result. Please report this issue to the Chrome development team and have them come up with a simple reproducer that I can try in my own lab. I'm sure they can quickly get to the bottom of the application stack to identify the misbehaving interaction between OS and app. -- Chuck Lever
