Control: tags -1 + upstream Control: forwarded -1 https://lore.kernel.org/regressions/[email protected]/
Hi Mark, On Tue, Oct 20, 2026 at 09:51:15AM +1300, Mark Cookson wrote: > Package: src:linux > Version: 7.2.11-1 > Severity: normal > X-Debbugs-Cc: [email protected] > > Dear Maintainer, > > Upgrading Debian kernel from 7.2.9+deb14-amd64 to 7.2.11+deb14-amd64 has > caused my USB audio interface, a Behringer UMC404HD, to stop functioning, > with the errors listed below. > Expected result: device initializes and functions normally for audio output. > Actual result: device seems to fail to initialize. Front lights flicker once > per second and audio pops. In normal operation, this only happens once as > device is powered on. > Reverting to kernel 7.2.9+deb14-amd64 fixes the issue. > > > -- Package-specific info: > ** Version: > Linux version 7.2.11+deb14-amd64 ([email protected]) > (x86_64-linux-gnu-gcc-16 (Debian 16.2.0-3) 16.2.0, GNU ld (GNU Binutils for > Debian) 2.47) #1 SMP PREEMPT_DYNAMIC Debian 7.2.11-1 (2026-10-15) > > ** Command line: > BOOT_IMAGE=/boot/vmlinuz-7.2.11+deb14-amd64 > root=UUID=0fc7f638-076a-4e1c-86f9-332f9617c389 ro quiet > > ** Not tainted > > ** Kernel log: > [ 610.037619] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 610.046598] usb 1-1.1: failed to read device descriptor: -71 > [ 610.046603] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 610.187355] usb 1-1.1: USB disconnect, device number 17 > [ 611.040293] usb 1-1.1: new high-speed USB device number 18 using xhci_hcd > [ 611.167353] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 611.193353] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 611.193360] usb 1-1.1: Product: UMC404HD 192k > [ 611.193362] usb 1-1.1: Manufacturer: BEHRINGER > [ 611.227588] usb 1-1.1: failed to read device descriptor: -71 > [ 611.227594] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 611.236587] usb 1-1.1: failed to read device descriptor: -71 > [ 611.236591] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 611.245586] usb 1-1.1: failed to read device descriptor: -71 > [ 611.245590] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 611.467343] usb 1-1.1: USB disconnect, device number 18 > [ 612.240212] usb 1-1.1: new high-speed USB device number 19 using xhci_hcd > [ 612.367629] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 612.393451] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 612.393457] usb 1-1.1: Product: UMC404HD 192k > [ 612.393460] usb 1-1.1: Manufacturer: BEHRINGER > [ 612.428969] usb 1-1.1: failed to read device descriptor: -71 > [ 612.428978] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 612.437591] usb 1-1.1: failed to read device descriptor: -71 > [ 612.437597] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 612.446577] usb 1-1.1: failed to read device descriptor: -71 > [ 612.446581] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 612.491319] usb 1-1.1: USB disconnect, device number 19 > [ 613.444194] usb 1-1.1: new high-speed USB device number 20 using xhci_hcd > [ 613.571610] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 613.597336] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 613.597342] usb 1-1.1: Product: UMC404HD 192k > [ 613.597345] usb 1-1.1: Manufacturer: BEHRINGER > [ 613.631565] usb 1-1.1: failed to read device descriptor: -71 > [ 613.631571] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 613.640567] usb 1-1.1: failed to read device descriptor: -71 > [ 613.640571] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 613.649565] usb 1-1.1: failed to read device descriptor: -71 > [ 613.649569] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 613.771319] usb 1-1.1: USB disconnect, device number 20 > [ 614.644192] usb 1-1.1: new high-speed USB device number 21 using xhci_hcd > [ 614.771608] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 614.797326] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 614.797332] usb 1-1.1: Product: UMC404HD 192k > [ 614.797335] usb 1-1.1: Manufacturer: BEHRINGER > [ 614.831580] usb 1-1.1: failed to read device descriptor: -71 > [ 614.831587] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 614.840552] usb 1-1.1: failed to read device descriptor: -71 > [ 614.840557] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 614.849549] usb 1-1.1: failed to read device descriptor: -71 > [ 614.849554] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 615.051591] usb 1-1.1: USB disconnect, device number 21 > [ 615.844205] usb 1-1.1: new high-speed USB device number 22 using xhci_hcd > [ 615.971628] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 615.997299] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 615.997305] usb 1-1.1: Product: UMC404HD 192k > [ 615.997307] usb 1-1.1: Manufacturer: BEHRINGER > [ 616.031539] usb 1-1.1: failed to read device descriptor: -71 > [ 616.031546] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 616.040540] usb 1-1.1: failed to read device descriptor: -71 > [ 616.040544] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 616.049540] usb 1-1.1: failed to read device descriptor: -71 > [ 616.049544] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 616.075281] usb 1-1.1: USB disconnect, device number 22 > [ 617.044207] usb 1-1.1: new high-speed USB device number 23 using xhci_hcd > [ 617.171589] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 617.197296] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 617.197302] usb 1-1.1: Product: UMC404HD 192k > [ 617.197304] usb 1-1.1: Manufacturer: BEHRINGER > [ 617.231538] usb 1-1.1: failed to read device descriptor: -71 > [ 617.231544] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 617.240538] usb 1-1.1: failed to read device descriptor: -71 > [ 617.240543] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 617.249537] usb 1-1.1: failed to read device descriptor: -71 > [ 617.249542] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 617.259282] usb 1-1.1: USB disconnect, device number 23 > [ 618.244182] usb 1-1.1: new high-speed USB device number 24 using xhci_hcd > [ 618.371571] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 618.397290] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 618.397295] usb 1-1.1: Product: UMC404HD 192k > [ 618.397298] usb 1-1.1: Manufacturer: BEHRINGER > [ 618.431515] usb 1-1.1: failed to read device descriptor: -71 > [ 618.431521] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 618.440518] usb 1-1.1: failed to read device descriptor: -71 > [ 618.440522] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 618.449517] usb 1-1.1: failed to read device descriptor: -71 > [ 618.449521] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 618.635270] usb 1-1.1: USB disconnect, device number 24 > [ 619.444185] usb 1-1.1: new high-speed USB device number 25 using xhci_hcd > [ 619.571326] usb 1-1.1: New USB device found, idVendor=1397, > idProduct=0509, bcdDevice= 1.35 > [ 619.597560] usb 1-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=0 > [ 619.597566] usb 1-1.1: Product: UMC404HD 192k > [ 619.597569] usb 1-1.1: Manufacturer: BEHRINGER > [ 619.633547] usb 1-1.1: failed to read device descriptor: -71 > [ 619.633556] snd-usb-audio 1-1.1:1.0: probe with driver snd-usb-audio > failed with error -71 > [ 619.642546] usb 1-1.1: failed to read device descriptor: -71 > [ 619.642554] snd-usb-audio 1-1.1:1.3: probe with driver snd-usb-audio > failed with error -71 > [ 619.651515] usb 1-1.1: failed to read device descriptor: -71 > [ 619.651521] snd-usb-audio 1-1.1:1.4: probe with driver snd-usb-audio > failed with error -71 > [ 619.661246] usb 1-1.1: USB disconnect, device number 25 Looks this regression got reported already in https://lore.kernel.org/regressions/[email protected]/ and a fix should be upcoming. Regards, Salvatore
