Same happens to kubuntu 11.04 for me,do you use the ati catalyst driver?On debian (aptosid amd64)without cat doesn't happen though.
Jack Warkentin <[email protected]> wrote: >Hi everybody > > From the gdm login screen, if I use the "actions" menu to shutdown the >system, what happens differs on my amd64 desktop from my i386 netbook. > >Specifically, on the i386 netbook, the screen switches to tty1 and the >shutdown messages are displayed. On the amd64 desktop, the screen goes >black, nothing more is displayed, and the monitor indicates that output >is no longer being received from the computer. > >I am running Debian testing on both systems and just finished upgrading >to linux-image-2.6.39-2-amd64 version 2.6.39-3 on the desktop, and the >gdm version is 2.20.11-4. > >I believe the above behaviour is a bug. It doesn't happen when using >"reboot" from the "actions" menu, ie when rebooting, the screen switches >to tty1 and the shutdown messages do indeed appear. > >As far as I can determine, this behaviour started sometime in late April >or early-to-mid May. Since gdm version 2.20.11-4 was installed last >December, the problem does not appear to be with that package. Nor does >it appear to be kernel-related, since the same thing happens with both >my 2.6.38 and 2.6.32 kernels, which I still have installed. > >Does anyone have any suggestions as to what is causing this behaviour? > >Jack Warkentin, phone 902-404-0457, email [email protected] >39 Inverness Avenue, Halifax, Nova Scotia, Canada, B3P 1X6 > > >-- >To UNSUBSCRIBE, email to [email protected] >with a subject of "unsubscribe". Trouble? Contact [email protected] >Archive: http://lists.debian.org/[email protected] >
