Hey Jose, On 24/10/05 05:01PM, 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`: > > [ 0.134369] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR0, rdevid:160 > [ 0.134370] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR1, rdevid:160 > [ 0.134371] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR2, rdevid:160 > [ 0.134372] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR3, rdevid:160 > [ 1.214845] hid: raw HID events driver (C) Jiri Kosina > [ 1.214881] usbcore: registered new interface driver usbhid > [ 1.214882] usbhid: USB HID core driver > > and this in 6.10.12 (touchpad working): > > [ 0.143812] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR0, rdevid:160 > [ 0.143814] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR1, rdevid:160 > [ 0.143815] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR2, rdevid:160 > [ 0.143815] AMD-Vi: ivrs, add hid:AMDI0020, uid:\_SB.FUR3, rdevid:160 > [ 1.244550] hid: raw HID events driver (C) Jiri Kosina > [ 1.244588] usbcore: registered new interface driver usbhid > [ 1.244589] usbhid: USB HID core driver > [ 2.291822] hid-generic 0018:2C2F:0027.0001: input,hidraw0: I2C HID v1.00 Mouse [SNSL0027:00 2C2F:0027] on i2c-SNSL0027:00 > [ 2.349966] hid-generic 0018:056A:5383.0002: input,hidraw0: I2C HID v1.00 Mouse [WACF2200:00 056A:5383] on i2c-WACF2200:00 > [ 2.357724] hid-multitouch 0018:2C2F:0027.0001: input,hidraw1: I2C HID v1.00 Mouse [SNSL0027:00 2C2F:0027] on i2c-SNSL0027:00 > [ 2.516529] wacom 0018:056A:5383.0002: hidraw0: I2C HID v1.00 Mouse [WACF2200:00 056A:5383] on i2c-WACF2200:00 > Could you also post a full journal for a good and a bad boot? This is generally good to have as debugging information (you can either attach them or post to some paste service). > The regression doesn't seem to be race-related. I've restarted and re-logged > multiple times, and the issue reproduces consistently. This is generally a good ground to do a bisection since the issue is easy to reproduce and seems to be there reliably. Would you be able to bisect the issue betwee v6.11 and v6.12? A good information to get you started is the following: https://docs.kernel.org/admin-guide/verify-bugs-and-bisect-regressions.html If you're stuck anywhere feel free to get in contact! Cheers, Chris
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