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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1897188
Title:
Ceph Full Disk Encryption will cause timeouts.
Status in linux package in Ubuntu:
Incomplete
Bug description:
I get the following when I try to use ceph-ansible to install ceph
with disk encryption.
[ 1694.015180] INFO: task kworker/u32:7:18997 blocked for more than 120
seconds.
[ 1694.015198] Not tainted 5.6.0-1028-oem #28-Ubuntu
[ 1694.015211] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 1694.015230] kworker/u32:7 D 0 18997 2 0x80004000
[ 1694.015232] Workqueue: kcryptd/253:21 kcryptd_crypt [dm_crypt]
[ 1694.015232] Call Trace:
[ 1694.015234] __schedule+0x2d8/0x760
[ 1694.015236] schedule+0x55/0xc0
[ 1694.015237] schedule_timeout+0x203/0x2f0
[ 1694.015239] ? qat_alg_skcipher_blk_encrypt+0x13/0x20 [intel_qat]
[ 1694.015240] ? crypto_skcipher_encrypt+0x4c/0x60
[ 1694.015241] wait_for_completion+0xb1/0x120
[ 1694.015242] ? wake_up_q+0xa0/0xa0
[ 1694.015244] crypt_convert+0x144/0x1f0 [dm_crypt]
[ 1694.015245] kcryptd_crypt+0x2b9/0x3b0 [dm_crypt]
[ 1694.015247] process_one_work+0x1e8/0x3b0
[ 1694.015247] worker_thread+0x4d/0x400
[ 1694.015249] kthread+0x104/0x140
[ 1694.015250] ? process_one_work+0x3b0/0x3b0
[ 1694.015251] ? kthread_park+0x90/0x90
[ 1694.015253] ret_from_fork+0x35/0x40
The following thread explains the issue:
https://github.com/NixOS/nixpkgs/issues/40282
Please blacklist and install block the intel_qat driver so people can
use dm-crypt.
ubuntu@cc01-00-73:~$ cat /proc/version_signature
Ubuntu 5.4.0-48.52-generic 5.4.60
Thanks!
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