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[Ubuntu Kernel Bot <1814234@xxxxxxxxxxxxxxxxxx>]

This bug is awaiting verification that the linux-
aws-5.15/5.15.0-1046.51~20.04.1 kernel in -proposed solves the problem.
Please test the kernel and update this bug with the results. If the
problem is solved, change the tag 'verification-needed-focal-linux-
aws-5.15' to 'verification-done-focal-linux-aws-5.15'. If the problem
still exists, change the tag 'verification-needed-focal-linux-aws-5.15'
to 'verification-failed-focal-linux-aws-5.15'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-focal-linux-aws-5.15-v2 verification-needed-focal-linux-aws-5.15

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https://bugs.launchpad.net/bugs/1814234

Title:
  rtcpie in timers from ubuntu_kernel_selftests randomly failing

Status in ubuntu-kernel-tests:
  Invalid
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Committed
Status in linux source package in Bionic:
  Fix Released
Status in linux source package in Focal:
  Fix Released
Status in linux source package in Jammy:
  Fix Released
Status in linux source package in Kinetic:
  Fix Released
Status in linux source package in Lunar:
  Fix Released

Bug description:
  Node: Standard_D11_v2
  Kernel: 4.18.0-1008.8~18.04.1

   selftests: timers: rtcpie
   ========================================
   Periodic IRQ rate is 1024Hz.
   Counting 20 interrupts at:
   2Hz:	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
   4Hz:	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
   8Hz:	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
   16Hz:	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
   32Hz:	1 2 3 4 5 6 7
   PIE delta error: 0.034667 should be close to 0.031250
  181.	01/30 20:08:46 DEBUG| utils:0153| [stdout] not ok 1..9 selftests: timers: rtcpie [FAIL]

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