Description of problem: I intermittently get the following error dialog when I try to switch users: Your user does not have permissions to create additional logins. Check your ~/.Xauthority setup. Details ~/.Xauthority file badly configured or missing. 100 Not authenticated There is a close button that doesn't work in that dialog box. Version-Release number of selected component (if applicable): fast-user-switch-applet-2.17.4-4.fc7 How reproducible: Intermittent. Happens every few times I try to switch users, which is usually less than once per day. Once it happens in a session, it happens every time for the duration of that session. I have to log out and log back in to get it to work again. Steps to Reproduce: 1. Try to switch users with the fast user switch applet. 2. 3. Actual results: Intermittent failure. Expected results: Additional info:
I've fixed the close button in the error dialog now.
FWIW, this used to happen to me under F7 and still happens after upgrading to F8. Sometimes logging out and back in fixes the issue, sometimes it doesn't and only a reboot does.
I get the same behaviour in f8.
maybe related, compiling the package, I get this warnings: fusa-display.c: In function 'fusa_display_set_property': fusa-display.c:180: warning: dereferencing type-punned pointer will break strict-aliasing rules fusa-display.c: In function 'fusa_display_finalize': fusa-display.c:228: warning: dereferencing type-punned pointer will break strict-aliasing rules also I have selinux set to enforcing, it that means something (will break strict-aliasing rules).
Anyways, I think this is a bug, and can be solved by correct coding or simply by using -fno-strict-aliasing getting a performance penalty as this document explains: http://mail.opensolaris.org/pipermail/tools-gcc/2005-August/000047.html
Hello. I reloaded several times the applet with "killall fast-user-switch-applet": When the applet fails, it fails even when reloading it. When the applet works, it works even when reloading it. So I think this is not a fast-user-switch-applet bug, because if it fails sometimes, the reloads should have failed sometimes. Who creates .Xauthority, gdm? Also, "check your ~/.Xauthority setup" is not informative, I searched how to check it, and I'm confused about if the authority file is from XAUTHORITY which gdm places in /tmp in my case (which seems that fusa searchs it rightly by calling XauFileName()). Another thing, during my testings I noticed that the buttons to leave message/switch/cancel/unlock sometimes are not responsive by mouse pointer neither click, only by keyboard.
I'm seeing this now on a system yum-upgraded to F8.
As of now, it works for me.
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I haven't seen this happen in a while now on my Fedora 8 system. Somehow it has fixed itself.
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