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Known issue: LKFT: stable-rc: LTP syscalls TFAIL: readahead() on epoll succeeded

Description

Regressions noticed on arm64 and x86_64 devices while running LTP syscalls readahead01 test case on the stable-rc 6.15.4-rc1 and 6.15.4-rc2.

Test environments:

  • Dragonboard-410c

  • Dragonboard-845c

  • e850-96

  • Juno-r2

  • rk3399-rock-pi-4b

  • qemu-arm64

  • qemu-x86_64

  • x86_64

Regression Analysis:

  • New regression? Yes

  • Reproducibility? Yes

Test regression: stable-rc 6.15.4-rc2 LTP syscalls TFAIL: readahead() on epoll succeeded

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

## Test log
tst_kconfig.c:88: TINFO: Parsing kernel config '/proc/config.gz'
tst_kconfig.c:676: TINFO: CONFIG_TRACE_IRQFLAGS kernel option detected which might slow the execution
tst_test.c:1774: TINFO: Overall timeout per run is 0h 21m 36s
readahead01.c:34: TPASS: readahead() with fd = -1 : EBADF (9)
readahead01.c:41: TPASS: readahead() with invalid fd : EBADF (9)
readahead01.c:62: TPASS: readahead() on O_PATH file : EBADF (9)
readahead01.c:62: TPASS: readahead() on directory : EINVAL (22)
readahead01.c:62: TPASS: readahead() on /dev/zero : EINVAL (22)
readahead01.c:62: TPASS: readahead() on pipe read end : EINVAL (22)
readahead01.c:62: TPASS: readahead() on pipe write end : EBADF (9)
readahead01.c:62: TPASS: readahead() on unix socket : EINVAL (22)
readahead01.c:62: TPASS: readahead() on inet socket : EINVAL (22)
readahead01.c:62: TFAIL: readahead() on epoll succeeded
readahead01.c:62: TFAIL: readahead() on eventfd succeeded
readahead01.c:62: TFAIL: readahead() on signalfd succeeded
readahead01.c:62: TFAIL: readahead() on timerfd succeeded
readahead01.c:62: TFAIL: readahead() on fanotify succeeded
readahead01.c:62: TFAIL: readahead() on inotify succeeded
tst_fd.c:170: TCONF: Skipping userfaultfd: ENOSYS (38)
readahead01.c:62: TFAIL: readahead() on perf event succeeded
readahead01.c:62: TFAIL: readahead() on io uring succeeded
readahead01.c:62: TFAIL: readahead() on bpf map succeeded
readahead01.c:62: TFAIL: readahead() on fsopen succeeded
readahead01.c:62: TFAIL: readahead() on fspick succeeded
readahead01.c:62: TPASS: readahead() on open_tree : EBADF (9)

Summary:
passed   10
failed   11
broken   0
skipped  1

Test logs

  • Build details: https://regressions.linaro.org/lkft/linux-stable-rc-linux-6.15.y/v6.15.3-589-g0e4c88a0cd37/ltp-syscalls/readahead01/
  • Test log: https://qa-reports.linaro.org/api/testruns/28870061/log_file/
  • Test LAVA job 1: https://lkft.validation.linaro.org/scheduler/job/8330087#L31908
  • Test LAVA job 2: https://lkft.validation.linaro.org/scheduler/job/8329545#L28983
  • Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/2yxHG8Ax1HJmLWLj50iRxkZE4Lv/
  • Build config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2yxHG8Ax1HJmLWLj50iRxkZE4Lv/config

Build

  • kernel: 6.15.4-rc2
  • git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
  • git commit: 0e4c88a0cd37e785c1dbe6b9a9394d649a77cab4
  • git describe: v6.15.3-589-g0e4c88a0cd37
  • test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.15.y/build/v6.15.3-589-g0e4c88a0cd37
Labels
First seen June 24, 2025, 12:47 p.m.
Last seen June 24, 2025, 12:47 p.m.

Incidents