I am experiencing this as well; I have in the past, sometimes it goes away for a while only to reappear. I’m running Ubuntu 25.10 with kernel 6.17.0-29-generic, latest firmware (0.0.4.4 per the ‘Firmware Updater’ app); I’ve experienced this over a variety of firmware and kernel versions.
sudo dmesg -w gives:
[17299.156170] usb 1-2.3: new high-speed USB device number 20 using xhci_hcd
[17299.278096] usb 1-2.3: New USB device found, idVendor=32ac, idProduct=0010, bcdDevice= 0.02
[17299.278123] usb 1-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[17299.278127] usb 1-2.3: Product: Audio Expansion Card
[17299.278156] usb 1-2.3: Manufacturer: Framework
[17299.659771] input: Framework Audio Expansion Card Consumer Control as /devices/pci0000:00/0000:00:08.1/0000:c5:00.3/usb1/1-2/1-2.3/1-2.3:1.3/0003:32AC:0010.0011/input/input29
[17299.710409] hid-generic 0003:32AC:0010.0011: input,hidraw6: USB HID v1.11 Device [Framework Audio Expansion Card] on usb-0000:c5:00.3-2.3/input3
[17304.896391] usb 1-2.3: uac_clock_source_is_valid(): cannot get clock validity for id 9
[17304.896413] usb 1-2.3: clock source 9 is not valid, cannot use
[17310.016324] usb 1-2.3: 1:1: cannot get freq (v2/v3): err -110
[17315.136321] usb 1-2.3: 1:1: cannot set freq 48000 (v2/v3): err -110
[17320.257372] usb 1-2.3: uac_clock_source_is_valid(): cannot get clock validity for id 9
[17320.257381] usb 1-2.3: clock source 9 is not valid, cannot use
[17325.376425] usb 1-2.3: 1:1: cannot get freq (v2/v3): err -110
[17325.376434] usbhid 1-2.3:1.3: can't add hid device: -110
[17325.376474] usbhid 1-2.3:1.3: probe with driver usbhid failed with error -110
[17330.496594] usb 1-2.3: 1:1: cannot set freq 48000 (v2/v3): err -110
[17335.617532] usb 1-2.3: uac_clock_source_is_valid(): cannot get clock validity for id 9
[17335.617538] usb 1-2.3: clock source 9 is not valid, cannot use
journalctl -f gives
May 17 22:12:01 ram kernel: usb 1-2.3: new high-speed USB device number 20 using xhci_hcd
May 17 22:12:01 ram kernel: usb 1-2.3: New USB device found, idVendor=32ac, idProduct=0010, bcdDevice= 0.02
May 17 22:12:01 ram kernel: usb 1-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
May 17 22:12:01 ram kernel: usb 1-2.3: Product: Audio Expansion Card
May 17 22:12:01 ram kernel: usb 1-2.3: Manufacturer: Framework
May 17 22:12:01 ram kernel: input: Framework Audio Expansion Card Consumer Control as /devices/pci0000:00/0000:00:08.1/0000:c5:00.3/usb1/1-2/1-2.3/1-2.3:1.3/0003:32AC:0010.0011/input/input29
May 17 22:12:01 ram kernel: hid-generic 0003:32AC:0010.0011: input,hidraw6: USB HID v1.11 Device [Framework Audio Expansion Card] on usb-0000:c5:00.3-2.3/input3
May 17 22:12:01 ram mtp-probe[137623]: checking bus 1, device 20: "/sys/devices/pci0000:00/0000:00:08.1/0000:c5:00.3/usb1/1-2/1-2.3"
May 17 22:12:01 ram mtp-probe[137623]: bus: 1, device: 20 was not an MTP device
May 17 22:12:01 ram boltd[2206]: probing: started [1000]
May 17 22:12:01 ram gnome-shell[7965]: Could not open device /dev/input/event17: Could not get device info for path /dev/input/event17: No such file or directory
May 17 22:12:01 ram mtp-probe[137659]: checking bus 1, device 20: "/sys/devices/pci0000:00/0000:00:08.1/0000:c5:00.3/usb1/1-2/1-2.3"
May 17 22:12:01 ram mtp-probe[137659]: bus: 1, device: 20 was not an MTP device
May 17 22:12:04 ram boltd[2206]: probing: timeout, done: [2974688] (2000000)
May 17 22:12:07 ram kernel: usb 1-2.3: uac_clock_source_is_valid(): cannot get clock validity for id 9
May 17 22:12:07 ram kernel: usb 1-2.3: clock source 9 is not valid, cannot use
May 17 22:12:12 ram kernel: usb 1-2.3: 1:1: cannot get freq (v2/v3): err -110
May 17 22:12:17 ram kernel: usb 1-2.3: 1:1: cannot set freq 48000 (v2/v3): err -110
May 17 22:12:22 ram kernel: usb 1-2.3: uac_clock_source_is_valid(): cannot get clock validity for id 9
May 17 22:12:22 ram kernel: usb 1-2.3: clock source 9 is not valid, cannot use
May 17 22:12:27 ram fwupd[31025]: 21:12:27.502 FuEngine failed to add device /sys/devices/pci0000:00/0000:00:08.1/0000:c5:00.3/usb1/1-2/1-2.3: failed to setup: failed to get firmware version info: failed to get GET_REPORT: failed to GetReport: USB error: Operation timed out [-7]
May 17 22:12:27 ram kernel: usb 1-2.3: 1:1: cannot get freq (v2/v3): err -110
May 17 22:12:27 ram kernel: usbhid 1-2.3:1.3: can't add hid device: -110
May 17 22:12:27 ram kernel: usbhid 1-2.3:1.3: probe with driver usbhid failed with error -110
May 17 22:12:32 ram kernel: usb 1-2.3: 1:1: cannot set freq 48000 (v2/v3): err -110
May 17 22:12:37 ram kernel: usb 1-2.3: uac_clock_source_is_valid(): cannot get clock validity for id 9
(essentially the same contents in both).
For comparison, I also have a USB-C to audio adaptor that I bought along with a phone that had no headphone jack. When I plug that in, I get,
demsg -w:
[17691.301887] ucsi_acpi USBC000:00: unknown error 256
[17691.675222] usb 7-1: new full-speed USB device number 5 using xhci_hcd
[17691.862420] usb 7-1: New USB device found, idVendor=18d1, idProduct=5025, bcdDevice=23.20
[17691.862428] usb 7-1: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[17691.862431] usb 7-1: Product: USB-C to 3.5mm-Headphone Adapter
[17691.862434] usb 7-1: Manufacturer: Google
[17691.862436] usb 7-1: SerialNumber: FLK71002052020A7A504335
[17692.776038] input: Google USB-C to 3.5mm-Headphone Adapter as /devices/pci0000:00/0000:00:08.3/0000:c7:00.4/usb7/7-1/7-1:1.3/0003:18D1:5025.0013/input/input31
[17692.826363] hid-generic 0003:18D1:5025.0013: input,hidraw6: USB HID v1.11 Device [Google USB-C to 3.5mm-Headphone Adapter] on usb-0000:c7:00.4-1/input3
journalctl -f:
May 17 22:18:33 ram kernel: ucsi_acpi USBC000:00: unknown error 256
May 17 22:18:33 ram kernel: usb 7-1: new full-speed USB device number 5 using xhci_hcd
May 17 22:18:33 ram kernel: usb 7-1: New USB device found, idVendor=18d1, idProduct=5025, bcdDevice=23.20
May 17 22:18:33 ram kernel: usb 7-1: New USB device strings: Mfr=3, Product=1, SerialNumber=2
May 17 22:18:33 ram kernel: usb 7-1: Product: USB-C to 3.5mm-Headphone Adapter
May 17 22:18:33 ram kernel: usb 7-1: Manufacturer: Google
May 17 22:18:33 ram kernel: usb 7-1: SerialNumber: FLK71002052020A7A504335
May 17 22:18:34 ram kernel: input: Google USB-C to 3.5mm-Headphone Adapter as /devices/pci0000:00/0000:00:08.3/0000:c7:00.4/usb7/7-1/7-1:1.3/0003:18D1:5025.0013/input/input31
May 17 22:18:34 ram kernel: hid-generic 0003:18D1:5025.0013: input,hidraw6: USB HID v1.11 Device [Google USB-C to 3.5mm-Headphone Adapter] on usb-0000:c7:00.4-1/input3
May 17 22:18:34 ram mtp-probe[141555]: checking bus 7, device 5: "/sys/devices/pci0000:00/0000:00:08.3/0000:c7:00.4/usb7/7-1"
May 17 22:18:34 ram mtp-probe[141555]: bus: 7, device: 5 was not an MTP device
May 17 22:18:34 ram boltd[2206]: probing: started [1000]
May 17 22:18:35 ram mtp-probe[141593]: checking bus 7, device 5: "/sys/devices/pci0000:00/0000:00:08.3/0000:c7:00.4/usb7/7-1"
May 17 22:18:35 ram mtp-probe[141593]: bus: 7, device: 5 was not an MTP device
May 17 22:18:37 ram signal-desktop_signal-desktop.desktop[141611]: [141611:0517/221837.585892:ERROR:services/video_capture/video_capture_service_impl.cc:201] Bind context provider failed.
May 17 22:18:37 ram boltd[2206]: probing: timeout, done: [2962286] (2000000)
May 17 22:18:54 ram auditd[1686]: Audit daemon rotating log files
and that one works as expected - so the sound system as such is still working, but Framework’s Audio Expansion Card has these issues.