Public bug reported:
Hi,
I just switched to XFCE (both Unity and Gnome Shell suck) but the "lock
screen" was not working. I'm still using gnome-screensaver as it's a lot
superior to xscreensaver and it does the job just fine. I checked
xflock4 and I noticed it was trying to detect which screensaver was
running, which is all fine and ok, the problem is that it's using
"pgrep" that will truncate the command names to 15 characters (because
it's reading /proc/*/status which shows only the first 15 characters of
the command name), that way it will not find gnome-screensaver. See the
example below:
$ ps -f 1813
UID PID PPID C STIME TTY STAT TIME CMD
1000 1813 1757 0 22:19 ? Sl 0:03 gnome-screensaver
$ pgrep gnome-screensaver
$ pgrep gnome-screensav
1813
$ pgrep -f gnome-screensaver
1813
$ pidof gnome-screensaver
1813
$
Notice that "pgrep" finds the process if you're looking for gnome-
screensav instead, with the 15 first characters only. The solution I
would recommend is to either use "pgrep -f" which looks at the whole
command line (/proc/*/cmdline) or to use "pidof" which will look at the
command line as well.
Other than that, congrats on the great product that Xubuntu is, it's
really great to have it around now that the default GUI is unusable to
any power user! Keep up the great work!
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xfce4-utils 4.8.3-0ubuntu1 [modified: usr/bin/xflock4]
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
Uname: Linux 3.0.0-12-generic-pae i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Sun Oct 16 23:39:36 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
LC_COLLATE=C
PATH=(custom, user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: xfce4-utils
UpgradeStatus: Upgraded to oneiric on 2011-10-16 (0 days ago)
** Affects: xfce4-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 oneiric
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https://bugs.launchpad.net/bugs/876183
Title:
xflock4 doesn't properly detect gnome-screensaver (pgrep is busted)
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