linux 5.2.0-8.9 disabled backlight on s390x.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ddcci-driver-linux (Ubuntu) |
Fix Released
|
High
|
Unassigned | ||
linux (Ubuntu) |
Invalid
|
High
|
Seth Forshee |
Bug Description
Looks like ddcci-driver-linux started to fail on s390x with the switch from kernel 5.0.0-21-generic to 5.2.0-8-generic
http://
According to changelog and diff:
- [Config] CONFIG_
from Seth Forshee.
According to the build log of ddci backlight
rm: cannot remove '.tmp_versions/
Makefile:227: ================= WARNING ================
Makefile:228: 'SUBDIRS' will be removed after Linux 5.3
Makefile:229: Please use 'M=' or 'KBUILD_EXTMOD' instead
Makefile:230: =======
Makefile:227: ================= WARNING ================
Makefile:228: 'SUBDIRS' will be removed after Linux 5.3
Makefile:229: Please use 'M=' or 'KBUILD_EXTMOD' instead
Makefile:230: =======
ERROR: "devm_backlight
make[3]: *** [scripts/
make[2]: *** [Makefile:1628: modules] Error 2
make[1]: *** [Makefile:37: ddcci-backlight.ko] Error 2
We should
1) re-enable that on s390x
2) make the ddcci-driver-linux package stop providing binaries on s390x or hint the testsuite in case the user wants to dkms on previous kernels.