** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Hirsute)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Importance: Undecided => High
** Changed in: ubuntu-z-systems
Status: New => Triaged
** Changed in: linux (Ubuntu Hirsute)
Assignee: Skipper Bug Screeners (skipper-screen-team) => Frank Heimes
(fheimes)
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https://bugs.launchpad.net/bugs/1921498
Title:
[UBUNUT 21.04] s390/vtime: fix increased steal time accounting
Status in Ubuntu on IBM z Systems:
Triaged
Status in linux package in Ubuntu:
New
Status in linux source package in Focal:
New
Status in linux source package in Groovy:
New
Status in linux source package in Hirsute:
New
Bug description:
Description: s390/vtime: fix increased steal time accounting
Symptom: Increased steal time values.
Problem: Commit 152e9b8676c6e ("s390/vtime: steal time exponential
moving average") inadvertently changed the input value for
account_steal_time() from "cputime_to_nsecs(steal)" to just
"steal", resulting in broken increased steal time accounting.
Solution: Fix this by changing it back to "cputime_to_nsecs(steal)".
Reproduction: -
Upstream-ID: d54cb7d54877d529bc1e0e1f47a3dd082f73add3
Stable tagged : kernel 5.1.
Therefore only to be applyable for focal, groovy, hirsuite.
Due to stable tag integration , only for integration checking..
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