This is really a bug on the kernel, after and including 4.18.
This is due to a patch that we have been carrying since forever, and
when the involved code changed a lot from 4.15 to 4.18, the patch was
dropped, as it couldn't be easily fixed up.
Even before that happened, I tried to upstream the patch, resending it
to the mailing list, but PPC maintainers wanted something different. The
original author resent with some modifications, but maintainers wouldn't
still apply it. As far as I remember, that patchset doesn't apply
anymore after the referred changes.
I have tried to work on a different solution, considering the new code
base, but didn't have much time to get a working solution.
Cascardo.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: kexec-tools (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: kexec-tools (Ubuntu Eoan)
Importance: Undecided
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: kexec-tools (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => High
** Changed in: linux (Ubuntu Disco)
Importance: Undecided => High
** Changed in: linux (Ubuntu Eoan)
Importance: Undecided => High
** Changed in: linux (Ubuntu Eoan)
Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)
** Changed in: linux (Ubuntu Disco)
Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)
** Changed in: linux (Ubuntu Cosmic)
Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)
** Changed in: linux (Ubuntu Cosmic)
Status: New => Confirmed
** Changed in: linux (Ubuntu Eoan)
Status: New => Confirmed
** Changed in: linux (Ubuntu Disco)
Status: New => Confirmed
** Changed in: kexec-tools (Ubuntu Eoan)
Status: New => Invalid
** Changed in: kexec-tools (Ubuntu Disco)
Status: New => Invalid
** Changed in: kexec-tools (Ubuntu Cosmic)
Status: New => Invalid
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1828597
Title:
KDump boot fails with nr_cpus=1
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-power-systems/+bug/1828597/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
