kernel-packages team mailing list archive

[Matthias Klose <doko@xxxxxxxxxx>]

works with the wily kernel 4.2.0-16.19
hangs with the vivid kernel 3.19.0-31


** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Vivid)
   Importance: Undecided
       Status: New

** Also affects: liburcu (Ubuntu Vivid)
   Importance: Undecided
       Status: New

** No longer affects: liburcu (Ubuntu Vivid)

** No longer affects: linux (Ubuntu)

** Changed in: linux (Ubuntu Vivid)
       Status: New => Confirmed

** Changed in: linux (Ubuntu Vivid)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1511458

Title:
  liburcu fails to build on ppc64el

Status in liburcu package in Ubuntu:
  Confirmed
Status in linux source package in Vivid:
  Confirmed

Bug description:
  see
  https://launchpad.net/ubuntu/+source/liburcu/0.8.8-1/+build/8179698

  times out in the tests, worked before.

  Checked a new upstream release, have a working build on a POWER8
  machine which passes the tests. But building it on the LP farm hangs
  as well. However it takes the tests a long time to run:

  ./rcutorture_urcu_qsbr `nproc` stress 1 callrcu_perthread .... ok
  All tests successful.
  Files=61, Tests=70, 212 wallclock secs ( 0.13 usr  0.03 sys + 2683.58 cusr 84.56 csys = 2768.30 CPU)
  Result: PASS

  Compared to amd64:

  ./rcutorture_urcu_qsbr `nproc` stress 1 callrcu_perthread .... ok
  All tests successful.
  Files=61, Tests=70, 210 wallclock secs ( 0.26 usr  0.04 sys + 715.74 cusr 32.74 csys = 748.78 CPU)
  Result: PASS

  The attempt for the test build can be found at
  https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test/+sourcepub/5637521/+listing-archive-extra

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