The following test regressions noticed while running selftests/mm gup_longterm
test cases on Dragonboard-845c, Dragonboard-410c, rock-pi-4, qemu-arm64 and
qemu-x86_64 this build have required selftest/mm/configs included and toolchain
is clang nightly.
Regressions found on Dragonboard-845c, Dragonboard-410c, rock-pi-4,
qemu-arm64 and qemu-x86_64
- selftests mm gup_longterm fails
Regression Analysis:
- New regression? Yes
- Reproducibility? Yes
Test regression: selftests mm gup_longterm error while loading shared
libraries liburing.so.2 cannot open shared object file No such file or
directory
Test regression: selftests mm cow error while loading shared libraries
liburing.so.2 cannot open shared object file No such file or directory
Test regression: selftests mm mlock-random-test exit=139
Test regression: selftests mm pagemap_ioctl exit=1
Test regression: selftests mm guard_regions file hole_punch
Reported-by: Linux Kernel Functional Testing <l...@linaro.org>
## Test log
Linux version 6.15.0-next-20250606 (tuxmake@tuxmake) (Debian clang
version 21.0.0 (++20250602112323+c5a56f74fef7-1~exp1~20250602112342.1487),
Debian LLD 21.0.0) #1 SMP PREEMPT @1749190532
running ./gup_longterm
----------------------
./gup_longterm: error while loading shared libraries: liburing.so.2:
cannot open shared object file: No such file or directory
[FAIL]
not ok 14 gup_longterm # exit=127
./cow: error while loading shared libraries: liburing.so.2: cannot
open shared object file: No such file or directory
[FAIL]
not ok 50 cow # exit=127
running ./mlock-random-test
---------------------------
TAP version 13
1..2
[ 311.408456] traps: mlock-random-te[21661] general protection fault
ip:7f63210dbf0f sp:7ffdff6fca28 error:0 in
libc.so.6[adf0f,7f6321056000+165000]
[FAIL]
not ok 23 mlock-random-test # exit=139
running ./pagemap_ioctl
...
ok 53 Huge page testing: only two middle pages dirty
ok 54 # SKIP Hugetlb shmem testing: all new pages must not be written (dirty)
ok 55 # SKIP Hugetlb shmem testing: all pages must be written (dirty)
ok 56 # SKIP Hugetlb shmem testing: all pages dirty other than first
and the last one
ok 57 # SKIP Hugetlb shmem testing: PM_SCAN_WP_MATCHING | PM_SCAN_CHECK_WPASYNC
ok 58 # SKIP Hugetlb shmem testing: only middle page dirty
ok 59 # SKIP Hugetlb shmem testing: only two middle pages dirty
ok 60 # SKIP Hugetlb mem testing: all new pages must not be written (dirty)
ok 61 # SKIP Hugetlb mem testing: all pages must be written (dirty)
ok 62 # SKIP Hugetlb mem testing: all pages dirty other than first and
the last one
ok 63 # SKIP Hugetlb mem testing: PM_SCAN_WP_MATCHING |
PM_SCAN_CHECK_WPASYNC[ 241.731600] run_vmtests.sh (456): drop_caches:
3
ok 64 # SKIP Hugetlb mem testing: only middle page dirty
ok 65 # SKIP Hugetlb mem testing: only two middle pages dirty
Bail out! uffd-test creation failed 12 Cannot allocate memory
12 skipped test(s) detected. Consider enabling relevant config options
to improve coverage.
Planned tests != run tests (115 != 65)
Totals: pass:53 fail:0 xfail:0 xpass:0 skip:12 error:0
[FAIL]
# not ok 48 pagemap_ioctl # exit=1
running ./guard-regions
...
RUN guard_regions.file.hole_punch ...
guard-regions.c:1905:hole_punch:Expected madvise(&ptr[3 * page_size],
4 * page_size, MADV_REMOVE) (-1) == 0 (0)
hole_punch: Test terminated by assertion
FAIL guard_regions.file.hole_punch
not ok 80 guard_regions.file.hole_punch
## Source
* Kernel version: 6.16.0-rc2
* Git tree:
https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
* Git sha: 050f8ad7b58d9079455af171ac279c4b9b828c11
* Git describe: next-20250616
* Project details:
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20250616/
* Architectures: arm64, x86_64
* Test environments: Dragonboard-845c, Dragonboard-410c, rock-pi-4,
qemu-arm64, qemu-x86_64 and x86
* Toolchains: clang nightly
* Kconfigs: selftest/mm/config+defconfig+
## Test
* Test log: https://qa-reports.linaro.org/api/testruns/28766026/log_file/
* Test log 2: https://qa-reports.linaro.org/api/testruns/28743077/log_file/
* Build details:
https://regressions.linaro.org/lkft/linux-next-master/next-20250616/kselftest-mm/mm_run_vmtests_sh_gup_longterm/
* Build link:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2ya0viPHafKAe0u89drIv5fcwu2/
* Kernel config:
https://storage.tuxsuite.com/public/linaro/lkft/builds/2ya0viPHafKAe0u89drIv5fcwu2/config
## Steps to reproduce
- tuxrun \
--runtime podman \
--device qemu-x86_64 \
--boot-args rw \
--kernel
https://storage.tuxsuite.com/public/linaro/lkft/builds/2ya0wmVl0eHb9koWyQYC7myXjpX/bzImage
\
--rootfs
https://storage.tuxboot.com/debian/20250605/trixie/amd64/rootfs.ext4.xz
\
--modules
https://storage.tuxsuite.com/public/linaro/lkft/builds/2ya0wmVl0eHb9koWyQYC7myXjpX/modules.tar.xz
/usr/ \
--parameters MODULES_PATH=/usr/ \
--parameters
SQUAD_URL=https://qa-reports.linaro.org//api/submit/lkft/linux-next-master/next-20250616/env/
\
--parameters SKIPFILE=skipfile-lkft.yaml \
--parameters
KSELFTEST=https://storage.tuxsuite.com/public/linaro/lkft/builds/2ya0wmVl0eHb9koWyQYC7myXjpX/kselftest.tar.xz
\
--image docker.io/linaro/tuxrun-dispatcher:v1.2.2 \
--tests kselftest-mm \
--timeouts boot=15
--
Linaro LKFT
https://lkft.linaro.org
