Hello Max, glad to read that.
That's what I hoped, after the significant patch set of LP 1887124 landed.
I'm closing this bug on our side, too.
Thx
** Changed in: linux (Ubuntu)
Status: New => Fix Released
** Changed in: ubuntu-z-systems
Status: Incomplete => Fix Released
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** Changed in: ubuntu-z-systems
Status: New => Incomplete
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Title:
[Ubuntu 20.04] LPAR crashes in block layer under high
In other words it's reasonable to retry on a latest Ubuntu 20.04 kernel
(after sudo apt update && sudo apt full-upgrade and a reboot)
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Yes, the kernel(s) were the significant set (of about 30) zFCP related patches
were applied to,
already landed in focal (-updates) respectively the groovy kernel (indicated by
the Fix Released status at LP 1887124 -
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1887124)
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I'm wondering if it would make sense (on top of comment #7:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1881109/comments/7) to
test this again with an updated kernel (that got patched to fix DIF and
DIX), where the fix virtually updates the scsi/zfcp driver to the
kernel 5.8 level?
I'm
Well, we do drive our storage sub-system from time to time to the limits -
especially if we do parallel LPAR deployments for OpenStack environments.
But that's on a z13 and a DS8k - and so far we never saw such issues in this
environment.
Further investigations in Launchpad did not resulted in
** Information type changed from Public Security to Public
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Title:
[Ubuntu 20.04] LPAR crashes in block layer under high stress.
@Corbin, may I ask for the rationale why you changed this from Public →
Public Security ?
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Title:
[Ubuntu 20.04] LPAR crashes in
** Information type changed from Public to Public Security
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Title:
[Ubuntu 20.04] LPAR crashes in block layer under high stress.
Hi Benjamin,
if it's an issue somewhere in scsi-midlayer/block-layer/wbt wouldn't it then
also happen with zFCP on DS8k and on other patforms?
So far we did some testing with zFCP on DS8k (the only storage sub-system we
have) as part of the release testing and server certification and on top we
** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
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