[Bug 16737] New: VT switch or quitting X results in loss of output to VGA console.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jul 16 08:37:04 PDT 2008


           Summary: VT switch or quitting X results in loss of output to VGA
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: lists at andyfurniss.entadsl.com
         QAContact: xorg-team at lists.x.org

Created an attachment (id=17703)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=17703)
HD3850 Xorg log

On both X1600pro and HD3850 AGPs switching VT or quitting X will result in a
blank but functioning VGA console, CRT monitor will go into standby.

Does not happen with radeonhd/vesa/fglrx drivers.

On the X1600 switching back to the X VT would revive the monitor - this does
not work with the HD3850.

Running the vesa driver first totally fixed the problem for the X1600, but
although it fixes the vga console on switch/quit for the HD3850 it does not fix
the loss of display when switching back to X with <ctrl> <alt> <F7>.

The monitor goes in and out of dpms standby OK with both cards.

bash-3.2$ dmesg | grep -i vga
Console: colour VGA+ 80x25

I guess means I am not using any vesa/radeonfb.

If I connect svideo TV out on the HD3850 I do not loose that display when the
monitor is not displaying console.

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