← Back to team overview

canonical-ubuntu-qa team mailing list archive

[Bug 1925290] Re: hangup01 from pty in ubuntu_ltp_stable failed on G-5.8

 

** Tags added: kernel-daily-bug

-- 
You received this bug notification because you are a member of Canonical
Platform QA Team, which is subscribed to ubuntu-kernel-tests.
https://bugs.launchpad.net/bugs/1925290

Title:
  hangup01 from pty in ubuntu_ltp_stable failed on G-5.8

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Groovy:
  Fix Released

Bug description:
  [Impact]
  Testcase hangup01 from ubuntu_ltp_stable.pty is failing on Groovy 5.8.0-51.57.

  Test case failed with:
   hangup01    1  TFAIL  :  hangup01.c:132: unexpected message 3
   tag=hangup01 stime=1618856629 dur=1 exit=exited stat=1

  It was found that the regression was introduced by the following
  commits applied via stable uddates:

  dd78b0c483e3 tty: implement read_iter
  3b830a9c34d5 tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer

  These patches were applied via bug 1921960 ("Groovy update: upstream
  stable patchset 2021-03-30").

  [Fix]
  Revert the patches mentioned above until a fix can be found.

  [Test case]
  Run the pty testsuite from ubuntu_ltp_stable.

  [Where problems could occur]
  If reverting these two patches is not enough to bring the code to the behavior of the tty driver before 5.8.0-51.57 then remaining issues could still be present on the tty code. Those issues should be caught by the ltp testcases though.

  [Original Description]
  Issue found on Groovy 5.8.0-51.57 with P8 node "dryden" and ARM64 node "helo-kernel" and AMD64 node "onibi"

  Test case failed with:
   hangup01    1  TFAIL  :  hangup01.c:132: unexpected message 3
   tag=hangup01 stime=1618856629 dur=1 exit=exited stat=1

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1925290/+subscriptions