** Changed in: ubuntu-z-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1959529
Title:
Hipersocket page allocation failure on Ubuntu 20.04 based
This bug was fixed in the package linux - 5.4.0-105.119
---
linux (5.4.0-105.119) focal; urgency=medium
* CVE-2022-0847
- lib/iov_iter: initialize "flags" in new pipe_buffer
* Broken network on some AWS instances with focal/impish kernels
(LP: #1961968)
- SAUCE:
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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https://bugs.launchpad.net/bugs/1959529
Title:
Hipersocket page allocation failure on Ubuntu 20.04
This bug is awaiting verification that the linux/5.4.0-102.115 kernel in
-proposed solves the problem. Please test the kernel and update this bug
with the results. If the problem is solved, change the tag
'verification-needed-focal' to 'verification-done-focal'. If the problem
still exists, change
** Changed in: ubuntu-z-systems
Status: In Progress => Fix Committed
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Title:
Hipersocket page allocation failure on Ubuntu 20.04 based
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin2004
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Title:
Hipersocket page allocation failure on Ubuntu 20.04
** Changed in: linux (Ubuntu)
Assignee: Canonical Kernel Team (canonical-kernel-team) => Krzysztof
Kozlowski (krzk)
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Krzysztof Kozlowski
Thanks for testing, much appreciated!
Sent a v2 of SRU:
https://lists.ubuntu.com/archives/kernel-team/2022-February/127909.html
https://lists.ubuntu.com/archives/kernel-team/2022-February/127908.html
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Thanks to Krzysztof, who spend some time to get this properly in,
there is now a patched focal/20.04 kernel 5.4 available here:
https://launchpad.net/~krzk/+archive/ubuntu/linux-testing
https://launchpad.net/~krzk/+archive/ubuntu/linux-testing/+build/23143306
Since some more effort got spent like
Hi Alexandra, the kernel team has a little complaint on this modification.
Would you please have a look at their response here:
https://lists.ubuntu.com/archives/kernel-team/2022-February/127682.html
Thx
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** Tags added: patch
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Title:
Hipersocket page allocation failure on Ubuntu 20.04 based SSC
environments
To manage notifications about this
SRU request submitted to the Ubuntu kernel team mailing list for focal:
https://lists.ubuntu.com/archives/kernel-team/2022-February/thread.html#127681
Changing status to 'In Progress'.
** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
** Changed in: ubuntu-z-systems
backport of 714c91088517 to focal 5.4
** Patch added: "backport of 714c91088517 to focal 5.4"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1959529/+attachment/5559082/+files/0001-s390-qeth-use-memory-reserves-to-back-RX-buffers_backport.patch
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** Summary changed:
- IBM IDAA customer exposes hipersocket page allocation failure on Ubuntu 20.04
based SSC
+ Hipersocket page allocation failure on Ubuntu 20.04 based SSC environments.
** Summary changed:
- Hipersocket page allocation failure on Ubuntu 20.04 based SSC environments.
+
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