Description of problem:
Randomly, user sessions are booted after logging in. Usually a stable connection can be acquired after a few retries.
Version-Release number of selected component (if applicable):
# rpm -q x2goserver
Steps to Reproduce:
1. Login and wait 20 to 30 seconds (I was using LXDE and occasionally running "sudo -i" in a terminal, but I don't think that is necessary to trigger the bug).
Session killed shortly after logging in.
Session should not be killed.
To troubleshoot this issue, I did the following:
# mkdir /etc/systemd/system/x2gocleansessions.service.d
# cat << END > /etc/systemd/system/x2gocleansessions.service.d/override.conf
# systemctl daemon-reload
# systemctl restart x2gocleansessions.service
After sprinkling /usr/sbin/x2gocleansessions with printf statements and x2gocleansessions.service a few times, I eventually traced the problem down to check_pid() being called with a NULL value for $pid (not sure why; seems to be some sort of race condition). The following patch seems to resolve the issue.
--- x2gocleansessions.a 2019-09-21 16:46:53.327948763 -0500
+++ x2gocleansessions.b 2019-09-21 16:46:10.076184475 -0500
@@ -62,7 +62,7 @@
- if ($sec < 30)
+ if (!$pid || $sec < 30)
Thanks. I've been running with this patch for a while now and it is working great. That other bug report was a false lead though. It probably shouldn't have been included in the upstream filing.
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