[Bug 75459] [Radeon HD 6770] Crash/Hang on logout with Multi-Head rotated screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75459

Bug Reporter <my.somewhat.lengthy.loginname at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |my.somewhat.lengthy.loginna
                   |                            |me at gmail.com

--- Comment #8 from Bug Reporter <my.somewhat.lengthy.loginname at gmail.com> ---
Confirming for Linux kernel 3.15.2, Xorg server 1.15.2, driver
xf86-video-ati-7.4.0 (32bit userland on 64bit kernel), and two left-rotated
monitors on DVI-0 and DVI-1. Graphics card ("lspci" output):

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV516
[Radeon X1300/X1550 Series]
01:00.1 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] RV516
[Radeon X1300/X1550 Series] (Secondary)

When I control-alt-backspace out of X, or "pkill" X, the monitors go dark and
their physical on/off switches go from green to yellow. That does not happen if
I rotate the two outputs to normal orientation (with "xrandr") before closing
X.

The problem started with xorg-server-1.15.0. Returning to xorg-sever-1.14.x
(and then recompiling all drivers, of course) always removed the issue
completely.

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