Public bug reported:
https://github.com/openzfs/zfs/issues/12462
Ubuntu 20.04.2 LTS
Kernel: 5.11.0-25-generic #27~20.04.1-Ubuntu
zfs-0.8.3-1ubuntu12.12
zfs-kmod-2.0.2-1ubuntu5
Trying to run zfs send | receive and getting an error:
# zfs send 'rpool/home'@'autosnap_2020-08-01_00:59:01_monthly' | zfs receive
-s -F 'nas/rpool_backup/home'
cannot receive: failed to read from stream
cannot receive new filesystem stream: dataset does not exist
This used to work before the recent Ubuntu kernel update from 5.8 to
5.11
Ubuntu updates that broke it:
Upgrade: linux-headers-generic-hwe-20.04:amd64 (5.8.0.63.71~20.04.45,
5.11.0.25.27~20.04.10), linux-
image-generic-hwe-20.04:amd64 (5.8.0.63.71~20.04.45, 5.11.0.25.27~20.04.10),
linux-generic-hwe-20.04
:amd64 (5.8.0.63.71~20.04.45, 5.11.0.25.27~20.04.10)
Sending the zfs send part to a file works, but then sending the file to
zfs receive also fails. The dump file size seems reasonable but the
contents may not be correct.
** Affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: zfs zfs-kmod
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Packages, which is subscribed to zfs-linux in Ubuntu.
https://bugs.launchpad.net/bugs/1939177
Title:
Ubuntu 20.04.2 LTS kernel 5.11.0-25 zfs send | receive broken
Status in zfs-linux package in Ubuntu:
New
Bug description:
https://github.com/openzfs/zfs/issues/12462
Ubuntu 20.04.2 LTS
Kernel: 5.11.0-25-generic #27~20.04.1-Ubuntu
zfs-0.8.3-1ubuntu12.12
zfs-kmod-2.0.2-1ubuntu5
Trying to run zfs send | receive and getting an error:
# zfs send 'rpool/home'@'autosnap_2020-08-01_00:59:01_monthly' | zfs receive
-s -F 'nas/rpool_backup/home'
cannot receive: failed to read from stream
cannot receive new filesystem stream: dataset does not exist
This used to work before the recent Ubuntu kernel update from 5.8 to
5.11
Ubuntu updates that broke it:
Upgrade: linux-headers-generic-hwe-20.04:amd64 (5.8.0.63.71~20.04.45,
5.11.0.25.27~20.04.10), linux-
image-generic-hwe-20.04:amd64 (5.8.0.63.71~20.04.45, 5.11.0.25.27~20.04.10),
linux-generic-hwe-20.04
:amd64 (5.8.0.63.71~20.04.45, 5.11.0.25.27~20.04.10)
Sending the zfs send part to a file works, but then sending the file
to zfs receive also fails. The dump file size seems reasonable but the
contents may not be correct.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1939177/+subscriptions
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