On 24/10/08 08:47AM, Benjamin Tissoires wrote: > On Oct 07 2024, Thorsten Leemhuis wrote: > > On 06.10.24 05:46, Linux regression tracking (Thorsten Leemhuis) wrote: > > > On 06.10.24 01:01, Jose Fernandez wrote: > > >> I'm using Fedora 40 with the vanilla kernel built from the 6.12-RC1 [1]. There > > >> is a regression that causes the touchpad to stop working on my Thinkpad Z16 Gen > > >> 2 (Sensil touchpad). dmesg shows this on 6.12-rc1 when filtering by `hid`: > > > > > > Could you try latest git instead of rc1 if you haven't yet? E.g. the > > > latest packages from your "[1]". I wonder if this is > > > https://bugzilla.redhat.com/show_bug.cgi?id=2314756 > > > which is fixed by a3f9a74d210bf5 ("Revert "Input: Add driver for PixArt > > > PS/2 touchpad"") [v6.12-rc1-post] > > > (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3f9a74d210bf5b80046a840d3e9949b5fe0a67c > > > ). > > > > Those two are apparently different problems, as from > > https://bugzilla.redhat.com/show_bug.cgi?id=2314756 > > it seems that it might be not kernel regression after all, but a change > > in the Fedora's .config that causes your problems. > > > > There were 2 problems happening at the same time. > > There is a high chance the whole issue was because of this config change > in the Fedora kernel, because of automation. However, the PixArt driver > was still bogus and interfered in PS/2 capable touchpads: we couldn't > have a PS/2 fallback. I believe it was the Fedora config regression. The touchpad is now working with the latest mainline-wo-mergew kernel: 6.12.0-0.rc2.20241008gt87d6aab2.324.vanilla.fc40.x86_64 > IIRC, in the PixArt thread, they mentioned that they had something like > "if that command fails, return a touchscreen, no matter what kind of > failure it was". > > Anyway, we should be fine in the next Fedora builds, so I guess we can > close these regressions. +1 > > Cheers, > Benjamin
