The updated kernel was released, and it fixes the performance
regression. Thank you!
# uname -a
Linux arpa 5.15.0-43-generic #46-Ubuntu SMP Tue Jul 12 10:30:17 UTC 2022 x86_64
x86_64 x86_64 GNU/Linux
# zfs --version
zfs-2.1.4-0ubuntu0.1
zfs-kmod-2.1.4-0ubuntu0.1
# grep .
Got it, thank you. It sounds like testing encrypted zfs performance
could perhaps be added to the validation suite for kernels.
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https://bugs.launchpad.net/bugs/1969482
yes. because that's the old sru cycle. the kernel was already built
on 22nd of June and was undergoing validation. This zfs update was
released to updates after that, on 28th of June.
the next sru cycle that will pick up updated zfs has not started yet.
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@dmitri
Thank you! Quick question, the Jammy kernel version was just bumped, but
it still does not include 2.1.4 zfs module
# uname -a
Linux arpa 5.15.0-41-generic #44-Ubuntu SMP Wed Jun 22 14:20:53 UTC 2022 x86_64
x86_64 x86_64 GNU/Linux
# zfs --version
zfs-2.1.4-0ubuntu0.1
I can also confirm that the fixes in -proposed fixes some severe
performance issues on my system, with an encrypted ZFS root filesystem.
It should be noted that if you're using ZFS on an Intel machine with < 4
physical cores, these performance regressions are severe enough to cause
the entire
I tested this version and it does fix a (severe) performance regression
as mentioned here (#1977699)
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1977699. Would
this be released before 21.10 reaches EOL?
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I'm setting this back to verification-needed as we still need to hear
back from the kernel team about this part of the test plan:
* kernel regression zfs testsuite pass
* zsys integration test pass
** Tags removed: verification-done-jammy
** Tags added: verification-needed-jammy
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You
I've installed zfs-dkms and it did the work. I can confirm system works
as expected and performance is higher now.
# uname -a
Linux nas139 5.15.0-33-generic #34-Ubuntu SMP Wed May 18 13:34:26 UTC 2022
x86_64 x86_64 x86_64 GNU/Linux
# zfs --version
zfs-2.1.4-0ubuntu0.1
zfs-kmod-2.1.4-0ubuntu0.1
Hi, the verification you have performed is incorrect. You installed
kernel and using zfs.ko as built into the kernel, which vendors zfs.ko
from release/updates pockets only.
To test, zfs.ko from proposed, one has to install the dkms package,
build it, enroll MOK (if secureboot is on, and MOK key
I've set up proposed and installed following. It does NOT work as
expected.
I used following command to install zfs / kernel packages and dependencies and
it resulted in installation / upgrade of packages mentioned below.
apt install zfsutils-linux zfs-initramfs zfs-zed linux-generic linux-
This bug was fixed in the package zfs-linux - 2.1.4-0ubuntu0.1
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zfs-linux (2.1.4-0ubuntu0.1) jammy; urgency=medium
* New upstream point release (LP: #1969482):
- bufixes
- performance fixes
- v5.17 & v5.18 compat
- scrub services
- fix fallocate LP: #1969247
Hello Dimitri, or anyone else affected,
Accepted zfs-linux into jammy-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/zfs-
linux/2.1.4-0ubuntu0.1 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
Regression & zsys testing passed out of bileto PPA, submitting for SRU.
** Description changed:
[Impact]
- * Upstream stable point release update with bugfixes, performance
- fixes, and newer kernel support as will be needed in the future hwe
- kernels.
+ * Upstream stable point release
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: zfs-linux (Ubuntu)
Status: New => Confirmed
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