** No longer affects: linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1827343
Title:
CPU hard lockup when turning CPU back online on Bionic P9
To manage notifications about this bug
Po-Hsu Lin (cypressyew) are you able to verify that the firmware update
has indeed resolved the issue?
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https://bugs.launchpad.net/bugs/1827343
Title:
CPU hard lockup when turning CPU
upgraded the firmware on dradis to P9DSU20190404_IBM_prod_sign.pnor and
tested with bionic and disco and the issue does not reproduce. Marking
this bug as fix-committed, and if you are able to reproduce this again
please re-open this bug.
** Changed in: ubuntu-power-systems
Status:
Waiting on firmware (pnor) from IBM.
** Changed in: ubuntu-power-systems
Status: New => Incomplete
** Changed in: linux (Ubuntu)
Importance: Undecided => High
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** Tags added: architecture-ppc64le bugnameltc-177391 severity-high
targetmilestone-inin---
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Title:
CPU hard lockup when turning CPU back online
The pnor firmware that we have on our bostons are backlevel and needs to
be upgraded. We have production and development level hardware, and when
we performed a firmware upgrade we ran into issues related to secure
boot. I will work with IBM (Michael) and get these systems upgraded to
the latest
** Changed in: ubuntu-power-systems
Importance: Undecided => High
** Changed in: ubuntu-power-systems
Assignee: (unassigned) => bugproxy (bugproxy)
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** Also affects: ubuntu-power-systems
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1827343
Title:
CPU hard lockup when turning CPU back online on Bionic
Tried again on the very same node after re-deploy the system with Bionic again.
I can't reproduce this issue.
Tried with the "cpu-on-off-test.sh" script in kernel selftesting tools
with "-a" flag, I can't reproduce this as well.
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