[Bug 99651] New: third monitor connected via dvi does not work on radeonhd 7770

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon Jun 8 12:39:10 PDT 2015


https://bugzilla.kernel.org/show_bug.cgi?id=99651

            Bug ID: 99651
           Summary: third monitor connected via dvi does not work on
                    radeonhd 7770
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.0.5 and higher (tested on 4.1-rc7 also)
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: sss123next at list.ru
        Regression: No

Created attachment 179171
  --> https://bugzilla.kernel.org/attachment.cgi?id=179171&action=edit
dmesg with some drm errors

after kernel update to 4.0.5 my third monitor stopped working (black screen
with blinking standby indicator), but console resolution is adjusted to lowest
monitor resolution, the one which is not working, so i guess driver see it and
trying to use, look in dmesg in attachment

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