Control: tag -1 + moreinfo Hello,
On Wed, Feb 11, 2026 at 03:18:21PM +0100, [email protected] wrote: > Package: linux-image-6.12.69+deb13-amd64 > Version: 6.12.69-1 > Severity: important > X-Debbugs-Cc: [email protected] > User: [email protected] > Usertags: amd64 > > Dear Maintainer, > > after inclusion in mainline kernel, the module rtw_usb with its dependent > modules, > detected and initialized the USB wifi dongle with the followinig IDs: > idVendor=0bda, idProduct=a811, bcdDevice= 2.00 > > This did work fine with the kernels installed from Debian stable linux-image > up > to version 6.12.48-1. > > After upgrading to version 6.12.63-1, this module fails to identify the > device, > and upgrading again to version 6.12.69-1 does not cure the problem. > > The outcome of adding this wifi dongle with 6.12.63-1 or 6.12.69-1 are the > following > entries in dmesg: > usb 1-7: USB disconnect, device number 6 > usb 1-7: new high-speed USB device number 8 using xhci_hcd > usb 1-7: New USB device found, idVendor=0bda, idProduct=a811, bcdDevice= 2.00 > usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > usb 1-7: Product: 802.11ac WLAN Adapter > usb 1-7: Manufacturer: Realtek > usb 1-7: SerialNumber: 00e04c000001 > > No additional entries are generated in dmesg. > > The expected outcome are additional entries in dmesg like > usbcore: registered new interface driver rtw_8821au > usbcore: registered new interface driver rt2800usb Can you please provide a full kernel log for both the working and the broken kernel? Does the broken kernel emit anything to the kernel log when you plug in the dongle in the completely booted system? Best regards Uwe
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