[Bug 1939618] Comment bridged from LTC Bugzilla

------- Comment From Boris.mail@de.ibm.com 2021-08-11 15:55 EDT-------
Additional background information:
'EP11 cards going offline' bug needs to be fixed in U20.04LTS via backport.

The problem has been described in RTC line item SEC1814 which was fixed & released
whith Ubuntu 21.04.
-> see Bugzilla 189018 (LP#1902866 : [21.04 FEAT] [SEC1814] zcrypt DD: add state for offline due to error - kernel)
and Bugzilla 189019 (LP#1902865 : [21.04 FEAT] [SEC1814] zcrypt DD: add state for offline due to error - s390-tools.

For details re. the provided fix / backport to U20.04LTS see Comment#2

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https://bugs.launchpad.net/bugs/1939618

Title:
EP11 cards going offline => Fix backport to U20.04LTS

Status in linux package in Ubuntu:
New

Bug description:
Here is the backport against current git for ubuntu 20.04.
It is a zip file with a patches subdir and all the patches in there together with a series file. So just unpack it and apply with quilt.

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