Updating debian-12
Refreshing package info
Refreshing available packages.
Refreshed.
Fetching 2 packages [755.57 KB]
Fetched.
Updating packages.
(Reading database … (Reading database … 5%(Reading database … 10%(Reading database … 15%(Reading database … 20%(Reading database … 25%(Reading database … 30%(Reading database … 35%(Reading database … 40%(Reading database … 45%(Reading database … 50%(Reading database … 55%(Reading database … 60%(Reading database … 65%(Reading database … 70%(Reading database … 75%(Reading database … 80%(Reading database … 85%(Reading database … 90%(Reading database … 95%(Reading database … 100%(Reading database … 281696 files and directories currently installed.)
Preparing to unpack …/libunbound8_1.17.1-2+deb12u3_amd64.deb …
Unpacking libunbound8:amd64 (1.17.1-2+deb12u3) over (1.17.1-2+deb12u2) …
Preparing to unpack …/python3-unbound_1.17.1-2+deb12u3_amd64.deb …
Unpacking python3-unbound (1.17.1-2+deb12u3) over (1.17.1-2+deb12u2) …
Setting up v4l2loopback-dkms (0.12.7-2) …
Removing old v4l2loopback-0.12.7 DKMS files…
Deleting module v4l2loopback-0.12.7 completely from the DKMS tree.
Loading new v4l2loopback-0.12.7 DKMS files…
dpkg: warning: version ‘6.12.39-1.qubes.fc37.x86_64’ has bad syntax: invalid character in revision number
dpkg: warning: version ‘6.12.39-1.qubes.fc37.x86_64’ has bad syntax: invalid character in revision number
Building for 6.12.39-1.qubes.fc37.x86_64
Building initial module for 6.12.39-1.qubes.fc37.x86_64
Error! Bad return status for module build on kernel: 6.12.39-1.qubes.fc37.x86_64 (x86_64)
Consult /var/lib/dkms/v4l2loopback/0.12.7/build/make.log for more information.
Error during installation v4l2loopback-dkms:installed v4l2loopback-dkms package post-installation script subprocess returned error exit status 10
dpkg: error processing package v4l2loopback-dkms (–configure):
installed v4l2loopback-dkms package post-installation script subprocess returned error exit status 10
Setting up libunbound8:amd64 (1.17.1-2+deb12u3) …
Setting up python3-unbound (1.17.1-2+deb12u3) …
Processing triggers for libc-bin (2.36-9+deb12u10) …
Errors were encountered while processing:
v4l2loopback-dkms
Reading package lists…
Building dependency tree…
Reading state information…
Calculating upgrade…
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Conf v4l2loopback-dkms (0.12.7-2 Debian:12.11/oldstable [all])
E:Sub-process /usr/bin/dpkg returned an error code (1)
Updated.
installArchives() failed
Installed packages:
None
Updated packages:
libunbound8 1.17.1-2+deb12u2 → 1.17.1-2+deb12u3
python3-unbound 1.17.1-2+deb12u2 → 1.17.1-2+deb12u3
Removed packages:
None
Hit:1 Index of /debian bookworm InRelease
Hit:2 Index of /debian-security bookworm-security InRelease
Hit:3 Index of /r4.2/vm/ bookworm InRelease
Hit:4 Index of /debian bookworm-backports InRelease
Reading package lists…
Reading package lists…
Building dependency tree…
Reading state information…
Calculating upgrade…
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Conf v4l2loopback-dkms (0.12.7-2 Debian:12.11/oldstable [all])
DKMS make.log for v4l2loopback-0.12.7 for kernel 6.12.39-1.qubes.fc37.x86_64 (x86_64)
Thu Aug 28 01:19:51 PM CEST 2025
Building v4l2-loopback driver…
make -C /lib/modules/6.12.39-1.qubes.fc37.x86_64/build M=/var/lib/dkms/v4l2loopback/0.12.7/build modules
make[1]: Entering directory ‘/usr/lib/modules/6.12.39-1.qubes.fc37.x86_64/build’
warning: the compiler differs from the one used to build the kernel
The kernel was built by: gcc (GCC) 12.3.1 20230508 (Red Hat 12.3.1-1)
You are using: gcc (Debian 12.2.0-14+deb12u1) 12.2.0
CC [M] /var/lib/dkms/v4l2loopback/0.12.7/build/v4l2loopback.o
/var/lib/dkms/v4l2loopback/0.12.7/build/v4l2loopback.c: In function ‘vidioc_querycap’:
/var/lib/dkms/v4l2loopback/0.12.7/build/v4l2loopback.c:717:9: error: implicit declaration of function ‘strlcpy’; did you mean ‘strncpy’? [-Werror=implicit-function-declaration]
717 | strlcpy(cap->driver, “v4l2 loopback”, sizeof(cap->driver));
| ^~~~~~~
| strncpy
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:229: /var/lib/dkms/v4l2loopback/0.12.7/build/v4l2loopback.o] Error 1
make[2]: *** [/usr/lib/modules/6.12.39-1.qubes.fc37.x86_64/build/Makefile:1945: /var/lib/dkms/v4l2loopback/0.12.7/build] Error 2
make[1]: *** [Makefile:224: __sub-make] Error 2
make[1]: Leaving directory ‘/usr/lib/modules/6.12.39-1.qubes.fc37.x86_64/build’
make: *** [Makefile:43: v4l2loopback.ko] Error 2