** Description changed:
- There is a bug in the /etc/update-motd.d/50-landscape-sysinfo (Symlink
- to /usr/share/landscape/landscape-sysinfo.wrapper) script in Ubuntu. The
- script incorrectly sets the load threshold due to a typo, causing the
- system information to be disabled unnecessarily when the system load is
- actually within acceptable limits.
+ [ Impact ]
+
+ * The CPU load is incorrectly calculated, and users won't get system info in
+ the message-of-the-day (motd).
+
+ * The `cores` variable was misnamed; it should be `CORES` since bash
+ variables are case-sensitive
+
+ [ Test Plan ]
Steps to Reproduce:
1. Open the /etc/update-motd.d/50-landscape-sysinfo script.
2. Notice the line where THRESHOLD is set: THRESHOLD="${cores:-1}.0".
3. The correct variable should be CORES instead of cores.
- Expected Behavior:
- The threshold should be calculated based on the number of CPU cores, e.g.,
THRESHOLD="${CORES:-1}.0", and system information should be displayed correctly
when the load is below this threshold.
- Actual Behavior:
- The threshold is incorrectly set to 1.0 due to the typo, causing system
information to be disabled unnecessarily.
+ To trigger MOTD and view incorrect calculation:
- Version Information:
+ sudo run-parts /etc/update-motd.d/
+ Notice message: " System information disabled due to load higher than 1.0"
even on systems with multiple cores.
- Ubuntu 24.04 LTS: landscape-common 24.02-0ubuntu5
- Ubuntu 22.04.4 LTS: landscape-common 23.02-0ubuntu1~22.04.2
+
+ [ Where problems could occur ]
+
+ * This fix will necessarily run the system process info on more systems
+ during MOTD. If the CPU load threshold was poorly chosen, then overly-
+ loaded systems might be slow during MOTD while landscape-sysinfo runs
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https://bugs.launchpad.net/bugs/2066983
Title:
Bug in /etc/update-motd.d/50-landscape-sysinfo script - incorrect
variable used for load threshold calculation
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