*** This bug is a duplicate of bug 1969482 ***
https://bugs.launchpad.net/bugs/1969482
Resolved with the release of 5.15.0-43-generic that contains (confirmed
on the same laptop).
Please close.
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*** This bug is a duplicate of bug 1969482 ***
https://bugs.launchpad.net/bugs/1969482
** This bug is no longer a duplicate of bug 1977699
zfs icp has deselected all optimized aes & gcm impls
** This bug has been marked a duplicate of bug 1969482
zfs-2.1.4+ sru
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*** This bug is a duplicate of bug 1977699 ***
https://bugs.launchpad.net/bugs/1977699
duplicate of https://bugs.launchpad.net/ubuntu/+source/zfs-
linux/+bug/1977699
will be fixed by https://bugs.launchpad.net/ubuntu/+source/zfs-
linux/+bug/1969482
** This bug has been marked a duplicate of
*** This bug is a duplicate of bug 1977699 ***
https://bugs.launchpad.net/bugs/1977699
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: zfs-linux (Ubuntu)
Status: New => Confirmed
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** Also affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1978347
Title:
horrible IO degradation with encrypted z
For more context, openssl using aes-256-cbc (not aes-256-gcm, which is
unsupported by default) appears to behave identically between the two
kernels, and faster than when disabling aes-ni, therefore aes-ni appears
to be enabled in both.
# uname -a
Linux aero 5.15.0-37-generic #39-Ubuntu SMP Wed Ju
Test script "zfs-test.sh"
- "zfs-test.sh enc" creates a 2x8 GB ZFS mirror pool, backed by two files in
tmpfs, followed by a ZFS encrypted filesystem using the default aes-256-gcm
- "zfs-test.sh" creates a 2x8 GB ZFS mirror pool, backed by two files in tmpfs,
followed by a ZFS unencrypted filesys
Output from "apport-cli --save 5.15.0-37-generic.apport -p linux --file-
bug"
** Attachment added: "5.15.0-37-generic.apport"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1978347/+attachment/5597248/+files/5.15.0-37-generic.apport
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I can confirm 100% repro of this bug, on several systems.
Data for a Xeon Silver 4215R on Supermicro X11SPi-TF. The only change
between 5.15.0-37-generic and 5.15.0-27-generic is booting the same
machine with a different kernel.
Write to encrypted ramdisk:
- 5.15.0-37-generic: 186 MB/s
- 5.15.0-2
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