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---Problem Description---
In the zCX (Open Containers for z/OS), we run in an environment where we have
no eth devices defined and therefore no /sys/bus/ccwgroup exists. We are
experiencing intermittent problems with a segmentation fault in the lsqeth
program.
In particular when called from sosreport it consistently fails but if
invoking directly from the command line, it most likely does not cause
an error.
We found out that the logic of lsqeth from s390-tools always expect the
directory '/sys/bus/ccwgroup/drivers/qeth/' to be existed. And it
doesn't handle the scenario if the directory doesn't exist and causes
the core dump in our case.
IBM willl provide an upstream patch for s390tools once available.
This package upgrade need to released by Bionic as soon as possible.
---uname output---
4.15.0-42-generic
Machine Type = system Z
---Debugger---
A debugger is not configured
---Steps to Reproduce---
1. run in an environment with no eth devices defined and therefore no
/sys/bus/ccwgroup exists.
2. timeout 10 lsqeth
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bugnameltc-174948 severity-high
targetmilestone-inin1804
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[Ubuntu] lsqeth core dumps when called from sosreport
https://bugs.launchpad.net/bugs/1813888
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