I tested Debian 13 RC1 by installing the Nvidia proprietary driver using:
apt install nvidia-driver
The error from systemctl status dkms is as follows:
× dkms.service - Builds and install new kernel modules through DKMS
Loaded: loaded (/usr/lib/systemd/system/dkms.service; enabled; preset: enabled)
Active: failed (Result: exit-code) since Sun 2025-05-18 07:37:53 +07; 1min 22s ago
Invocation: da858b6286f04dd6965e54bc964fc78f
Docs: man:dkms(8)
Process: 855 ExecStart=/usr/sbin/dkms autoinstall --verbose --kernelver 6.12.27-amd64 (code=exited, status=21)
Main PID: 855 (code=exited, status=21)
Mem peak: 6.3M
CPU: 204ms
May 18 07:37:53 vlegion systemd[1]: Starting dkms.service - Builds and install new kernel modules through DKMS...
May 18 07:37:53 vlegion dkms[1069]: Error! Your kernel headers for kernel 6.12.27-amd64 cannot be found at /lib/modules/6.12.27-amd64/build or /lib/modules/6.12.27-amd64/source.
May 18 07:37:53 vlegion dkms[1069]: Please install the linux-headers-6.12.27-amd64 package or use the --kernelsourcedir option to tell DKMS where it's located.
May 18 07:37:53 vlegion systemd[1]: dkms.service: Main process exited, code=exited, status=21/n/a
May 18 07:37:53 vlegion systemd[1]: dkms.service: Failed with result 'exit-code'.
May 18 07:37:53 vlegion systemd[1]: Failed to start dkms.service - Builds and install new kernel modules through DKMS.
Of course, this problem was fixed by installing ‘linux-headers-6.12.27-amd64.’
However, I wonder if ‘linux-headers-6.12.27-amd64’ should be installed automatically. Is this a bug? How can I check if anyone has reported this already?
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