won't compile against -proposed kernel 5.6.0-1012-oem"
make[1]: Entering directory '/usr/src/linux-headers-5.6.0-1012-oem'
CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.o
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:137:47: warning: ‘struct timeval’ declared inside parameter list will not be visible outside of this definition or declaration
137 | static inline void v4l2l_get_timestamp(struct timeval *tv) {
| ^~~~~~~
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c: In function ‘v4l2l_get_timestamp’:
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:147:4: error: dereferencing pointer to incomplete type ‘struct timeval’
147 | tv->tv_sec = (time_t)ts.tv_sec;
| ^~
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:147:16: error: ‘time_t’ undeclared (first use in this function); did you mean ‘ktime_t’?
147 | tv->tv_sec = (time_t)ts.tv_sec;
| ^~~~~~
| ktime_t
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:147:16: note: each undeclared identifier is reported only once for each function it appears in
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:147:23: error: expected ‘;’ before ‘ts’
147 | tv->tv_sec = (time_t)ts.tv_sec;
| ^~
| ;
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c: In function ‘vidioc_qbuf’:
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:1523:24: error: passing argument 1 of ‘v4l2l_get_timestamp’ from incompatible pointer type [-Werror=incompatible-pointer-types]
1523 | v4l2l_get_timestamp(&b->buffer.timestamp);
| ^~~~~~~~~~~~~~~~~~~~
| |
| struct __kernel_v4l2_timeval *
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:137:56: note: expected ‘struct timeval *’ but argument is of type ‘struct __kernel_v4l2_timeval *’
137 | static inline void v4l2l_get_timestamp(struct timeval *tv) {
| ~~~~~~~~~~~~~~~~^~
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c: In function ‘v4l2_loopback_write’:
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:1950:22: error: passing argument 1 of ‘v4l2l_get_timestamp’ from incompatible pointer type [-Werror=incompatible-pointer-types]
1950 | v4l2l_get_timestamp(&b->timestamp);
| ^~~~~~~~~~~~~
| |
| struct __kernel_v4l2_timeval *
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:137:56: note: expected ‘struct timeval *’ but argument is of type ‘struct __kernel_v4l2_timeval *’
137 | static inline void v4l2l_get_timestamp(struct timeval *tv) {
| ~~~~~~~~~~~~~~~~^~
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c: In function ‘init_buffers’:
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:2055:23: error: passing argument 1 of ‘v4l2l_get_timestamp’ from incompatible pointer type [-Werror=incompatible-pointer-types]
2055 | v4l2l_get_timestamp(&b->timestamp);
| ^~~~~~~~~~~~~
| |
| struct __kernel_v4l2_timeval *
/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:137:56: note: expected ‘struct timeval *’ but argument is of type ‘struct __kernel_v4l2_timeval *’
137 | static inline void v4l2l_get_timestamp(struct timeval *tv) {
| ~~~~~~~~~~~~~~~~^~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:276: /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.o] Error 1
make[1]: *** [Makefile:1707: /var/lib/dkms/v4l2loopback/0.12.3/build] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.6.0-1012-oem'
make: *** [Makefile:43: v4l2loopback.ko] Error 2
ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: v4l2loopback-dkms 0.12.3-1
ProcVersionSignature: Ubuntu 5.6.0-1011.11-oem 5.6.14
Uname: Linux 5.6.0-1011-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
DKMSKernelVersion: 5.6.0-1012-oem
Date: Tue Jun 16 09:38:50 2020
DuplicateSignature: dkms:v4l2loopback-dkms:0.12.3-1:/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.c:147:4: error: dereferencing pointer to incomplete type ‘struct timeval’
InstallationDate: Installed on 2020-05-24 (23 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
PackageVersion: 0.12.3-1
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
dpkg 1.19.7ubuntu3
apt 2.0.3
SourcePackage: v4l2loopback
Title: v4l2loopback-dkms 0.12.3-1: v4l2loopback kernel module failed to build
UpgradeStatus: No upgrade log present (probably fresh install)
Status changed to 'Confirmed' because the bug affects multiple users.