Public bug reported:
dbginfo.sh does not complete on Ubuntu 16.04(.5) using s390-tools
version 1.34.0-0ubuntu8.7
Execution starts and proceeds until step 4 'sysfs':
$ sudo dbginfo.sh
dbginfo.sh: Debug information script version 1.34.0-build-20180502
Copyright IBM Corp. 2002, 2016
Hardware platform = s390x
Kernel version = 4.15.0 (4.15.0-33-generic)
Runtime environment = LPAR
1 of 10: Collecting command output
2 of 10: Collecting z/VM command output skipped - no z/VM environment
3 of 10: Collecting procfs
4 of 10: Collecting sysfs
'dd' process with 100% CPU can be seen:
# ps aux | grep [d]d\
root 257158 100 0.0 2120 664 pts/0 R+ 06:51 11:18 dd if=/sys/kernel/debug/tracing/trace status=noxfer iflag=nonblock of=/tmp/DBGINFO-2018-10-22-06-49-52-s1lp15-1F8F67//sys/kernel/debug/tracing/trace
Happens on 16.04.5 with kernel 4.4 or HWE kernel 4.15.
But works fine on 18.04 (with kernel 4.15) and s390-tools 2.3.0-0ubuntu3.
** Affects: ubuntu-z-systems
Importance: High
Assignee: bugproxy (bugproxy)
Status: New
** Affects: s390-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: s390x
** Package changed: linux (Ubuntu) => s390-tools (Ubuntu)
** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => bugproxy (bugproxy)
** Changed in: ubuntu-z-systems
Importance: Undecided => High
--
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Foundations Bugs, which is subscribed to s390-tools in Ubuntu.
https://bugs.launchpad.net/bugs/1799208
Title:
dbginfo.sh does not complete on Ubuntu 16.04(.5)
Status in Ubuntu on IBM z Systems:
New
Status in s390-tools package in Ubuntu:
New
Bug description:
dbginfo.sh does not complete on Ubuntu 16.04(.5) using s390-tools
version 1.34.0-0ubuntu8.7
Execution starts and proceeds until step 4 'sysfs':
$ sudo dbginfo.sh
dbginfo.sh: Debug information script version 1.34.0-build-20180502
Copyright IBM Corp. 2002, 2016
Hardware platform = s390x
Kernel version = 4.15.0 (4.15.0-33-generic)
Runtime environment = LPAR
1 of 10: Collecting command output
2 of 10: Collecting z/VM command output skipped - no z/VM environment
3 of 10: Collecting procfs
4 of 10: Collecting sysfs
'dd' process with 100% CPU can be seen:
# ps aux | grep [d]d\
root 257158 100 0.0 2120 664 pts/0 R+ 06:51 11:18 dd if=/sys/kernel/debug/tracing/trace status=noxfer iflag=nonblock of=/tmp/DBGINFO-2018-10-22-06-49-52-s1lp15-1F8F67//sys/kernel/debug/tracing/trace
Happens on 16.04.5 with kernel 4.4 or HWE kernel 4.15.
But works fine on 18.04 (with kernel 4.15) and s390-tools 2.3.0-0ubuntu3.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1799208/+subscriptions