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[Bug 2129928] [NEW] *02 clock and timer tests in ubuntu_ltp_syscall fail because MAX_CLOCKS is now augmented by AUX clocks

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Edoardo Canepa <2129928@xxxxxxxxxxxxxxxxxx>
Date: Mon, 27 Oct 2025 10:56:25 -0000
Reply-to: Bug 2129928 <2129928@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

Public bug reported:

in include/lapi/common_timers.h and include/lapi/posix_clocks.h of LTP
project MAX_CLOCKS is set to 16, however in questing commit
196b8d20125af3784c586fb7883e3468f7c13ee6 CONFIG_POSIX_AUX_CLOCKS was
enabled which adds 8 additional clocks, making the MAX_CLOCKS test cases
fail with a different error (ENODEV). Settinf the value to 16+8 fixes
the issues with the following test cases:

clock_adjtime02
clock_gettime02
clock_settime02
timer_create02

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2129928

Title:
  *02 clock and timer tests in ubuntu_ltp_syscall fail because
  MAX_CLOCKS is now augmented by AUX clocks

Status in ubuntu-kernel-tests:
  New

Bug description:
  in include/lapi/common_timers.h and include/lapi/posix_clocks.h of LTP
  project MAX_CLOCKS is set to 16, however in questing commit
  196b8d20125af3784c586fb7883e3468f7c13ee6 CONFIG_POSIX_AUX_CLOCKS was
  enabled which adds 8 additional clocks, making the MAX_CLOCKS test
  cases fail with a different error (ENODEV). Settinf the value to 16+8
  fixes the issues with the following test cases:

  clock_adjtime02
  clock_gettime02
  clock_settime02
  timer_create02

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