Public bug reported:
timers/raw_skew subtest from kernel selftests fails to build on xenial:
17:30:43 DEBUG| [stdout] make[1]: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/timers'
17:30:43 DEBUG| [stdout] gcc -O3 -Wl,-no-as-needed -Wall -DKTEST -lrt
-lpthread posix_timers.c -o posix_timers
17:30:44 DEBUG| [stdout] gcc -O3 -Wl,-no-as-needed -Wall -DKTEST -lrt
-lpthread nanosleep.c -o nanosleep
17:30:44 DEBUG| [stdout] gcc -O3 -Wl,-no-as-needed -Wall -DKTEST -lrt
-lpthread nsleep-lat.c -o nsleep-lat
17:30:44 DEBUG| [stdout] gcc -O3 -Wl,-no-as-needed -Wall -DKTEST -lrt
-lpthread set-timer-lat.c -o set-timer-lat
17:30:45 DEBUG| [stdout] gcc -O3 -Wl,-no-as-needed -Wall -DKTEST -lrt
-lpthread mqueue-lat.c -o mqueue-lat
17:30:45 DEBUG| [stdout] gcc -O3 -Wl,-no-as-needed -Wall -DKTEST -lrt
-lpthread inconsistency-check.c -o inconsistency-check
17:30:45 DEBUG| [stdout] gcc -O3 -Wl,-no-as-needed -Wall -DKTEST -lrt
-lpthread raw_skew.c -o raw_skew
17:30:45 ERROR| [stderr] raw_skew.c: In function ‘main’:
17:30:45 ERROR| [stderr] raw_skew.c:152:11: error: too many arguments to
function ‘ksft_exit_skip’
17:30:45 ERROR| [stderr] return ksft_exit_skip("The clock was adjusted
externally. Shutdown NTPd or other time sync daemons\n");
17:30:45 ERROR| [stderr] ^
17:30:45 ERROR| [stderr] In file included from raw_skew.c:29:0:
17:30:45 ERROR| [stderr] ../kselftest.h:64:19: note: declared here
17:30:45 ERROR| [stderr] static inline int ksft_exit_skip(void)
17:30:45 ERROR| [stderr] ^
17:30:45 DEBUG| [stdout] <builtin>: recipe for target 'raw_skew' failed
Upstream commit 1416270f4a1a "selftest: timers: Tweak raw_skew to SKIP
when ADJ_OFFSET/other clock adjustments are in progress" from linux 4.19
was backported incorrectly to stable branch linux-4.4.y. We picked up
the faulty backport with a stable update for xenial:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1798587
In 4.19, as opposed to 4.4 where ksft_exit_skip() does not take any
arguments, the function is defined as
static inline int ksft_exit_skip(const char *msg, ...)
The backport of the patch should not pass a string to the function.
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: Triaged
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => Triaged
** Changed in: linux (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2098848
Title:
raw_skew test in kernel selftests for timers fails to build
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