Public bug reported:
[Impact]
If mptcp endpoints are configured on a host using an address that is
external to the host, then the kernel will create an implicit endpoint
with the host's local address when mptcp receives its first flow. If
multiple packets for these local interfaces arrive in par
I have a patch for this accepted upstream that I'll send to the Ubuntu
kernel team in short order. This has been merged to Linus's tree but
has yet to be picked up by Stable. It's tagged to go there, it just
hasn't been picked up by the robots yet. It affects all releases from
5.17 onward, which
Patches sent to kernel team's list:
https://lists.ubuntu.com/archives/kernel-team/2025-March/157856.html
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https://bugs.launchpad.net/bugs/2101120
Title:
mptcp BUG 'scheduling while ato
I've re-run the tests against the proposed kernel and no longer see
these warnings. Thanks for taking the patches to fix this!
** Tags removed: verification-needed-jammy-linux
** Tags added: verification-done-jammy-linux
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B
Hi Matthew,
I appreciate the update and your persistence in prodding these stubborn tests
along. Is it okay to release the Noble build of this package ahead of the
Oracular one?
Thanks again,
-K
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Hi Matthew,
Thanks for you help with getting this fixed. Please let me know if there's
anything else I can do to assist.
Thanks,
-K
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https://bugs.launchpad.net/bugs/2090972
Title:
/
I didn't take an exhaustive look at the reported test failures, but the
ones I did look at above appear to be related to the test infrastructure
not starting up. Can we give those another kick to see if a subsequent
run does any better? Thanks.
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Just wanted to follow-up to report that I've run the reproducer on Noble
and Oracular since the 17th and while I did reproduce the bug on both
releases with the old version of the package, I did not see any
occurrences with the new versions of the packages. If there are no
objections, I'll mark th
Hi Matthew and Timo,
Thanks for getting the Noble and Oracular proposed packages posted so promptly.
I'll go ahead and kick off test runs on these this morning and can follow up
by Friday morning (Pacific Time) about whether they have passed. If you don't
think that's long enough, I can let th
Hi Matthew,
I've been running the tests on the patched version of Plucky since 12/10 and
have not observed a recurrence of the bug. In accordance with our previous
discussion, I'm going to mark this as plucky-verification-done. (Assuming
that's the correct tag). Is this sufficient to unblock
Ah, there's no verification-done-plucky tag, but if there were, I'd use
it.
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Title:
/boot intermittently fails to mount on boot
To manage notifi
Hi Matthew,
A quick update from me on the testing. It took a couple of days to find a
recipe that reproduces the problem on Plucky, but I now have a test that's
reproduced the issue 4 times in the last 2 days. This isn't as frequently as
Noble, where we saw it approx 1:2000 boots in production
Hi Matthew,
I went ahead and put together a plucky cloud image so I can try running the
tests against this. I'll report back with the results.
Conceptually, the test just launches a qemu instance and the greps the
logs at an interval to determine if it's either booted or hit the bug.
If it's boo
Public bug reported:
Starting on Noble, we see /boot fail to mount in approximately one out
of every two thousand boots. The error looks like this:
Found device dev-disk-by\x2dlabel-BOOT.device - QEMU NVMe Ctrl BOOT.
Starting systemd-fsck@dev-disk-by… Check on /dev/disk/by-label/BOOT...
Patches to kernel team:
https://lists.ubuntu.com/archives/kernel-team/2024-November/155489.html
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https://bugs.launchpad.net/bugs/2089373
Title:
WARN in trc_wait_for_one_reader about fa
This specifically affects Jammy and the 5.15 series. I have the
necessary patches prepared and will e-mail those to the kernel team's
mailing list.
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https://bugs.launchpad.net/bugs/2089373
Public bug reported:
[Impact]
When ending bpf tracing, 5.15 kernels now report a warning in
trc_wait_for_one_reader() on platforms that support hot-plugging CPUs,
but that do not have all of their hotplug slots populated. In this
submitter's environment, it reproduces on Xen EC2 instances, but n
Thanks Matthew and Andreas! Very much appreciate getting the fix
released for Noble, Jammy, and Focal.
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https://bugs.launchpad.net/bugs/2036467
Title:
Resizing cloud-images occasionally
Hi,
Thanks for getting the updates released for Jammy and Noble. Is there any plan
to get packages for Focal released as part of the updates cycle? The status
here says the fix is committed. It's where we ran into this issue initially,
which is part of the reason we're still interested in pic
Thanks for the note, Matthew. I was just getting ready to check back
with you. :)
It would be fantastic if we could get the patches for the backport
sponsored in F, J, M, N.
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https://bug
I'm hitting this segfault as well and would love to get it fixed in
Noble.
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https://bugs.launchpad.net/bugs/2067924
Title:
systemd-networkd crashes on systems with amazon-vpc-cni-k8s
T
Hi Matthew,
Ted has cut the 1.47.1 release as well as tagged a version for Debian. Are you
good to pull that version in as well as apply the patches for this fix to Focal
and Jammy?
Thanks again,
-K
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Hi Matthew,
It's been a couple months. We'd really love to get the fix for Focal, Jammy,
and Noble. Any chance this could get sponsored and approved soon?
I also checked up on upstream and it appears that they're preparing a
1.47.1 release of e2fsprogs that should include this fix. It hasn't
b
I've tested linux/5.15.0-104.114 and it passes my tests. Marking
verification-done-jammy-linux.
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https://bugs.launchpad.net/bugs/2056227
Title:
KVM: arm64: softlockups in stage2_apply_
For posterity, LTS 5.15 picked up this fix in 5.15.154
** Tags removed: verification-needed-jammy-linux
** Tags added: verification-done-jammy-linux
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https://bugs.launchpad.net/bugs/20562
Patches to mailing list here:
https://lists.ubuntu.com/archives/kernel-team/2024-March/149383.html
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https://bugs.launchpad.net/bugs/2056227
Title:
KVM: arm64: softlockups in stage2_app
This specifically affects Jammy and the 5.15 series. I have the
necessary patches prepared and will e-mail those to the kernel team's
mailing list.
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https://bugs.launchpad.net/bugs/205622
Public bug reported:
[Impact]
Tearing down kvm VMs on arm64 can cause softlockups to appear on console. When
terminating VMs with > 100Gb of memory and 4k pages, the memory unmap times
often exceed 20 seconds, which can trigger the softlockup detector. Portions of
the unmap path also have inter
Thanks for the update, Matthew. We're looking forward to getting this
fix from Ubuntu. My team patched our version the e2fsprogs package from
Focal about a year ago, before we submitted the fix upstream. Since
that patch, we haven't had any re-occurrences of the problem. It used
to show up abou
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