On Fri, Dec 17, 2021 at 08:00:10AM +0100, Thorsten Leemhuis wrote: > Hi, this is your Linux kernel regression tracker speaking. > > I noticed a bugreport from Tomasz C. (CCed) that sounds a lot like a > regression between v5.15.7..v5.15.8 and likely better dealt with by email: > > To quote from: https://bugzilla.kernel.org/show_bug.cgi?id=215341 > > > After updating kernel from 5.15.7 to 5.15.8 on ArchLinux distribution, Holtek USB mouse stopped working. > > Exact model: > > 04d9:a067 Holtek Semiconductor, Inc. USB Gaming Mouse > > > > The dmesg output for this device from kernel version 5.15.8: > > > > [ 2.501958] usb 2-1.2.3: new full-speed USB device number 6 using ehci-pci > > [ 2.624369] usb 2-1.2.3: New USB device found, idVendor=04d9, idProduct=a067, bcdDevice= 1.16 > > [ 2.624376] usb 2-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > > [ 2.624379] usb 2-1.2.3: Product: USB Gaming Mouse > > [ 2.624382] usb 2-1.2.3: Manufacturer: Holtek > > > > After disconnecting and connecting the USB: > > > > [ 71.976731] usb 2-1.2.3: USB disconnect, device number 6 > > [ 75.013021] usb 2-1.2.3: new full-speed USB device number 8 using ehci-pci > > [ 75.135865] usb 2-1.2.3: New USB device found, idVendor=04d9, idProduct=a067, bcdDevice= 1.16 > > [ 75.135873] usb 2-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > > [ 75.135877] usb 2-1.2.3: Product: USB Gaming Mouse > > [ 75.135880] usb 2-1.2.3: Manufacturer: Holtek > > > > > > On kernel version 5.15.7: > > > > [ 2.280515] usb 2-1.2.3: new full-speed USB device number 6 using ehci-pci > > [ 2.379777] usb 2-1.2.3: New USB device found, idVendor=04d9, idProduct=a067, bcdDevice= 1.16 > > [ 2.379784] usb 2-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > > [ 2.379787] usb 2-1.2.3: Product: USB Gaming Mouse > > [ 2.379790] usb 2-1.2.3: Manufacturer: Holtek > > [ 2.398578] input: Holtek USB Gaming Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.3/2-1.2.3:1.0/0003:04D9:A067.0005/input/input11 > > [ 2.450977] holtek_mouse 0003:04D9:A067.0005: input,hidraw4: USB HID v1.10 Keyboard [Holtek USB Gaming Mouse] on usb-0000:00:1d.0-1.2.3/input0 > > [ 2.451013] holtek_mouse 0003:04D9:A067.0006: Fixing up report descriptor > > [ 2.452189] input: Holtek USB Gaming Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.3/2-1.2.3:1.1/0003:04D9:A067.0006/input/input12 > > [ 2.468510] usb 2-1.2.4: new high-speed USB device number 7 using ehci-pci > > [ 2.503913] holtek_mouse 0003:04D9:A067.0006: input,hiddev96,hidraw5: USB HID v1.10 Mouse [Holtek USB Gaming Mouse] on usb-0000:00:1d.0-1.2.3/input1 > > [ 2.504105] holtek_mouse 0003:04D9:A067.0007: hiddev97,hidraw6: USB HID v1.10 Device [Holtek USB Gaming Mouse] on usb-0000:00:1d.0-1.2.3/input2 > > > > Rolling back the kernel to version 5.15.7 solves the problem. Ah, this looks like my HID changes probably broke something here :( If the person reporting this could run 'git bisect' between these two kernel versions, to find the offending patch, that would be great! thanks, greg k-h
