[Bug 48417] New: DisplayPort --> HDMI X server freezes when I power off monitor

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Apr 7 06:24:50 PDT 2012


             Bug #: 48417
           Summary: DisplayPort --> HDMI X server freezes when I power off
    Classification: Unclassified
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: drt781 at yahoo.com
         QAContact: xorg-team at lists.x.org

Created attachment 59619
  --> https://bugs.freedesktop.org/attachment.cgi?id=59619
Xorg log from incident

When I turn off my monitor, the X server freezes and stops updating output to
monitors.  When I power monitor up again, instead of screen see no signal HDMI.
 This is specific to DisplayPort --> HDMI, and specific to ASUS VH242HL 23"

Condition did not occur with DVI --> HDMI connection.  Condition also does not
occur power cycling of Sharp Aquos TV running on dual monitor setup.  However,
when powering up ASUS monitor in dual monitor setup, video freezes on last
frame on second Aquos monitor.  So I power cycle the ASUS and the picture on
the Aquos stops on the last frame and is unresponsive.  (Audio through separate
sound card continues)

Freeze can be recovered by restarting xorg server ctrl-Alt-Backspace (twice).

Running OpenSuse 12.1 on AMD 64 (Phenom II).  Video card is AMD ATI FirePRO
2270 with DMS59 connector.  Problem occurs when using DMS59 adapter -->
DisplayPort --> HDMI.

Have used catalyst ffglx recently troubleshooting HDMI audio but presently not
installed.  Using opensource ATI driver.

Issue makes DisplayPort --> HDMI unusable.

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