Running kernel 5.0.0-31-generic in a Eoan install I get the following
error when I try to install lttng-modules-dkms:
CC [M]
/var/lib/dkms/lttng-modules/2.10.8/build/lib/ringbuffer/ring_buffer_backend.o
In file included from ./include/linux/export.h:45,
from ./include/linux/linkage.h:7,
from ./include/linux/kernel.h:7,
from ./include/linux/list.h:9,
from ./include/linux/module.h:9,
from
/var/lib/dkms/lttng-modules/2.10.8/build/lib/ringbuffer/ring_buffer_backend.c:2
2:
./include/linux/compiler.h: In function ‘__read_once_size’:
./include/linux/compiler.h:192:1: error: ‘-mindirect-branch’ and
‘-fcf-protection’ are not compatible
192 | {
| ^
With kernel 5.0.0-32-generic the modules are built and loaded successfully.
Therefore I'm marking verification-done for Disco.
** Tags removed: verification-needed-disco
** Tags added: verification-done-disco
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https://bugs.launchpad.net/bugs/1843291
Title:
Add -fcf-protection=none when using retpoline flags
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