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davidshen84
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Joined: 09 Aug 2008
Posts: 170

PostPosted: Mon Oct 15, 2012 11:49 am    Post subject: Gnome 3 cannot unlock Reply with quote

Hi,

My system is Gentoo x64, updated. I have Gnome 3 and lightdm emerged. My DE works fine after I logged in. But if I lock the screen, not log out, I will not be able to unlock the screen. I assume the unlock password is same as my log in password, but it did not work.

I think there's something wrong with the permission/authentication module, but I do not know how to fix it. Please help!


Thank you,
David
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Thistled
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Joined: 06 Jan 2011
Posts: 488
Location: Scotland

PostPosted: Mon Oct 15, 2012 10:14 pm    Post subject: Reply with quote

Have you checked logs for any clues as to what is causing the problem?

Next time it happens, hit "Ctrl+F12" and look at the output of dmesg to see if you get any clues.
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davidshen84
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PostPosted: Sun Oct 21, 2012 2:34 am    Post subject: Reply with quote

Hi, sorry for the delay!

I checked the log, and I think the relevant messages are:

unix_chkpwd: check pass; user unknown
unix_chkpwd: password check failed for user (user)
gnome-screensaver-dialog: pam_unix(gnome-screensaver:auth): authentication failure;...
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davidshen84
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PostPosted: Sun Oct 21, 2012 2:40 am    Post subject: Reply with quote

haha, i found the solution.

chmod +s /sbin/unix_chkpwd

the "unix_chkpwd" command miss the "s" bit. i think something went wrong when i install my system, or there's a bug :(
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