** Also affects: gcc-11 (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
[Impact]
Installing zfs-dkms seems to trigger a soft lockup issue as soon as
zfs.ko is loaded. When the soft lockup happens the system isn't
reachable anymore via ssh and on the console
I've tried multiple versions of gcc and here's the result:
- gcc 11.2.0-13ubuntu1 : bad
- gcc 11.2.0-12ubuntu1 : bad
- gcc 11.2.0-10ubuntu1 : bad
- gcc 11.2.0-7ubuntu2 : good
- gcc 10.3.0-13ubuntu1 : good
Apparently the last version of gcc that seems to work with zfs + kernel
5.15 is 11.2.0
Quick summary: it really looks like a compiler issue, because everything
works using the same version of kernel + zfs, but on Impish. Also trying
to compile zfs with gcc-10 doesn't show any problem.
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Update: we're still getting the same failure even with zfs 2.1.2. I've opened
an issue upstream:
https://github.com/openzfs/zfs/issues/12942
** Bug watch added: github.com/openzfs/zfs/issues #12942
https://github.com/openzfs/zfs/issues/12942
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New debdiff to move to zfs 2.1.2 in attach.
** Patch added: "zfs-update-to-2.1.2.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1954676/+attachment/5551832/+files/zfs-update-to-2.1.2.debdiff
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New debdiff in attach, that also includes the fix for a potential data
corruption with zfs-2.1.1 (https://github.com/openzfs/zfs/issues/12762).
** Bug watch added: github.com/openzfs/zfs/issues #12762
https://github.com/openzfs/zfs/issues/12762
** Patch added: "zfs-update-to-2.1.1-v2.debdiff"
** Tags added: patch
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https://bugs.launchpad.net/bugs/1954676
Title:
jammy 5.15 soft lockup when zfs.ko is loaded on s390x
Status in zfs-linux package in Ubuntu:
New
Moving to Debian zfs 2.1.1 + applying the debdiff in attach seems to fix
the problem.
** Patch added: "zfs-update-to-2.1.1.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1954676/+attachment/5547343/+files/zfs-update-to-2.1.1.debdiff
** Description changed:
+ [Impact]
+
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