Public bug reported:
kernel v5.10-rc1 introduced a change ( 596b0474d3d9 "kbuild: preprocess
module linker script" ) that affects where and how scripts/module.lds is
used and causes external modules to fail to build since that linker
script is not shipped in the linux-{image,header} packages.
I've been testing the mainline PPA kernel v5.10-rc5 and today installed
v4l2loopback-dkms and hit this issue.
It will affect all DKMS packages. Ubuntu carries 39 DKMS packages.
See the LKML discussion:
https://lkml.org/lkml/2020/8/31/455
DKMS make.log for v4l2loopback-0.12.3 for kernel 5.10.0-051000rc5-lowlatency
(x86_64)
Sun 29 Nov 02:48:58 GMT 2020
Building v4l2-loopback driver...
make -C /lib/modules/5.10.0-051000rc5-lowlatency/build
M=/var/lib/dkms/v4l2loopback/0.12.3/build modules
make[1]: Entering directory '/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.o
MODPOST /var/lib/dkms/v4l2loopback/0.12.3/build/Module.symvers
make[3]: *** No rule to make target 'scripts/module.lds', needed by
'/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.ko'. Stop.
make[3]: *** Waiting for unfinished jobs....
CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.mod.o
make[2]: *** [scripts/Makefile.modpost:117: __modpost] Error 2
make[1]: *** [Makefile:1703: modules] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
make: *** [Makefile:43: v4l2loopback.ko] Error 2
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Debian)
Importance: Unknown
Status: Unknown
** Bug watch added: Debian Bug tracker #975571
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=975571
** Also affects: linux (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=975571
Importance: Unknown
Status: Unknown
** Description changed:
- kernel v5.10-rc1 introduced a change that affects where and how
- scripts/module.lds is used and causes external modules to fail to build
- since that linker script is not shipped in the linux-{image,header}
- packages.
+ kernel v5.10-rc1 introduced a change ( 596b0474d3d9 "kbuild: preprocess
+ module linker script" ) that affects where and how scripts/module.lds is
+ used and causes external modules to fail to build since that linker
+ script is not shipped in the linux-{image,header} packages.
I've been testing the mainline PPA kernel v5.10-rc5 and today installed
v4l2loopback-dkms and hit this issue.
It will affect all DKMS packages. Ubuntu carries 39 DKMS packages.
-
DKMS make.log for v4l2loopback-0.12.3 for kernel 5.10.0-051000rc5-lowlatency
(x86_64)
Sun 29 Nov 02:48:58 GMT 2020
Building v4l2-loopback driver...
make -C /lib/modules/5.10.0-051000rc5-lowlatency/build
M=/var/lib/dkms/v4l2loopback/0.12.3/build modules
make[1]: Entering directory
'/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
- CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.o
- MODPOST /var/lib/dkms/v4l2loopback/0.12.3/build/Module.symvers
+ CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.o
+ MODPOST /var/lib/dkms/v4l2loopback/0.12.3/build/Module.symvers
make[3]: *** No rule to make target 'scripts/module.lds', needed by
'/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.ko'. Stop.
make[3]: *** Waiting for unfinished jobs....
- CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.mod.o
+ CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.mod.o
make[2]: *** [scripts/Makefile.modpost:117: __modpost] Error 2
make[1]: *** [Makefile:1703: modules] Error 2
make[1]: Leaving directory
'/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
make: *** [Makefile:43: v4l2loopback.ko] Error 2
** Description changed:
kernel v5.10-rc1 introduced a change ( 596b0474d3d9 "kbuild: preprocess
module linker script" ) that affects where and how scripts/module.lds is
used and causes external modules to fail to build since that linker
script is not shipped in the linux-{image,header} packages.
I've been testing the mainline PPA kernel v5.10-rc5 and today installed
v4l2loopback-dkms and hit this issue.
It will affect all DKMS packages. Ubuntu carries 39 DKMS packages.
+
+ See the LKML discussion:
+
+ https://lkml.org/lkml/2020/8/31/455
+
DKMS make.log for v4l2loopback-0.12.3 for kernel 5.10.0-051000rc5-lowlatency
(x86_64)
Sun 29 Nov 02:48:58 GMT 2020
Building v4l2-loopback driver...
make -C /lib/modules/5.10.0-051000rc5-lowlatency/build
M=/var/lib/dkms/v4l2loopback/0.12.3/build modules
make[1]: Entering directory
'/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.o
MODPOST /var/lib/dkms/v4l2loopback/0.12.3/build/Module.symvers
make[3]: *** No rule to make target 'scripts/module.lds', needed by
'/var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.ko'. Stop.
make[3]: *** Waiting for unfinished jobs....
CC [M] /var/lib/dkms/v4l2loopback/0.12.3/build/v4l2loopback.mod.o
make[2]: *** [scripts/Makefile.modpost:117: __modpost] Error 2
make[1]: *** [Makefile:1703: modules] Error 2
make[1]: Leaving directory
'/usr/src/linux-headers-5.10.0-051000rc5-lowlatency'
make: *** [Makefile:43: v4l2loopback.ko] Error 2
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https://bugs.launchpad.net/bugs/1906131
Title:
No rule to make target 'scripts/module.lds' while building out-of-tree
modules
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