Ubuntu
linux package

[22.04 FEAT] [KRN1926] SCLP debug feature - kernel part

Bug #1960435 reported by bugproxy
12
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Ubuntu on IBM z Systems
Fix Released
High
Skipper Bug Screeners
linux (Ubuntu)
Fix Released
High
Skipper Bug Screeners

Bug Description

SCLP debug feature

Description:
It was sometimes hard to tell if sclp requests failed, and if so, which ones. For some requests errors are printed to the console, however this is naturally problematic for those requests which are used to drive the sclp console.
Therefore, we added two sclp debug features:
- one which logs relevant data for _all_ sclp requests
- one which logs only relevant data for failing sclp requests
This should make analysis of sclp related problems easier.

bugproxy (bugproxy)
tags: added: architecture-s39064 bugnameltc-196373 severity-high targetmilestone-inin2204
Changed in ubuntu:
assignee: nobody → Skipper Bug Screeners (skipper-screen-team)
affects: ubuntu → linux (Ubuntu)
Frank Heimes (fheimes)
Changed in ubuntu-z-systems:
assignee: nobody → Skipper Bug Screeners (skipper-screen-team)
Changed in linux (Ubuntu):
importance: Undecided → High
Changed in ubuntu-z-systems:
importance: Undecided → High
Changed in linux (Ubuntu):
status: New → Incomplete
Changed in ubuntu-z-systems:
status: New → Incomplete
Revision history for this message
bugproxy (bugproxy) wrote : Comment bridged from LTC Bugzilla

------- Comment From <email address hidden> 2022-02-10 05:40 EDT-------
The SCLP debug feature (kernel part) went upstream into kernel 5.15 which Ubuntu 22.04 will be based on. Therefore, this item should 'automatically' land in 22.04.

@Peter: can you please provide the commit IDs for double-checking. Thanks

Revision history for this message
bugproxy (bugproxy) wrote :

------- Comment From <email address hidden> 2022-02-10 06:02 EDT-------
The main kernel commit is:

70aa5d39826528e77f5595a5f9297d919112d396

which depends on the following commits:

d72541f945127b4873dace501406a1bc8cd8e1e9
9372a82892c2caa6bccab9a4081166fa769699f8
1204777867e8486a88dbb4793fe256b31ea05eeb
d2beeb3bc74ec897ced7309c3a104fa4b3be0ac3

Revision history for this message
Frank Heimes (fheimes) wrote :

I can confirm (an double-checked) that they are all incl. in the jammy kernel,
in Ubuntu-5.15.0-15.15 and newer.
Hence closing the ticket as Fix Released.

Changed in linux (Ubuntu):
status: Incomplete → Fix Released
Changed in ubuntu-z-systems:
status: Incomplete → Fix Released
Frank Heimes (fheimes)
information type: Private → Public
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