[UBUNTU 20.04] LPAR becomes unresponsive after the Kernel panic - rq_qos_wake_function
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu on IBM z Systems |
Invalid
|
Critical
|
Skipper Bug Screeners | ||
linux (Ubuntu) |
Invalid
|
Undecided
|
Skipper Bug Screeners |
Bug Description
---Problem Description---
kernel panic rq_qos_
---uname output---
Linux version 5.4.0-71-generic
Machine Type = s390x
---Debugger---
A debugger is not configured
Stack trace output:
May 15 20:21:04 data1 kernel: Call Trace:
May 15 20:21:04 data1 kernel: ([<000000234091
May 15 20:21:04 data1 kernel: [<0000003e10047
May 15 20:21:04 data1 kernel: [<0000003e0fbec
May 15 20:21:04 data1 kernel: [<0000003e0fbec
May 15 20:21:04 data1 kernel: [<0000003e0fbec
May 15 20:21:04 data1 kernel: [<0000003e1005e
May 15 20:21:04 data1 kernel: [<0000003e10047
May 15 20:21:04 data1 kernel: [<0000003e10033
May 15 20:21:04 data1 kernel: [<0000003e101d4
May 15 20:21:04 data1 kernel: [<0000003e10032
May 15 20:21:04 data1 kernel: [<0000003e103fc
May 15 20:21:04 data1 kernel: [<0000003e0fb9d
May 15 20:21:04 data1 kernel: [<0000003e0fb28
May 15 20:21:04 data1 kernel: [<0000003e103fb
May 15 20:21:04 data1 kernel: [<0000003e101d4
May 15 20:21:04 data1 kernel: Last Breaking-
May 15 20:21:04 data1 kernel: [<0000003e0fbce
May 15 20:21:04 data1 kernel: Kernel panic - not syncing: Fatal exception in interrupt
Oops output:
no
System Dump Info:
The system was configured to capture a dump, however a dump was not produced.
-Attach sysctl -a output output to the bug.
tags: | added: architecture-s39064 bugnameltc-192966 severity-high targetmilestone-inin--- |
Changed in ubuntu: | |
assignee: | nobody → Skipper Bug Screeners (skipper-screen-team) |
affects: | ubuntu → linux (Ubuntu) |
tags: |
added: severity-critical removed: severity-high |
Changed in ubuntu-z-systems: | |
assignee: | nobody → Skipper Bug Screeners (skipper-screen-team) |
Is it possible to describe the steps required to reproduce this issue? And the environment in which it occurred?
Thanks!