[Bug 88059] New: Radeon driver freezes desktop for certain period

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88059

            Bug ID: 88059
           Summary: Radeon driver freezes desktop for certain period
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: pok1yoyo at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 111771
  --> https://bugs.freedesktop.org/attachment.cgi?id=111771&action=edit
Xorg log

Hi.
I have Radeon HD5450 graphic card and I use radeon (open) driver. Every 30
minutes or so, my desktop would freeze for aproximately 2 minutes. I cannot
find anything in logs so I am uploading them here. Before installing new OS
(read below) I installed proprietary driver (fglrx), which did not have this
problems (but had horrible leak which ate all my RAM). I tried installing fglrx
again now, but it ends up with no image at all, so I gave up. Maybe unrelated,
but I cannot see splash screen when booting, screen comes back when login
appears. I tried enabling/disabling power management, no luck.
Specs:
CPU: AMD Athlon X4 740x 3.2GHZ
Graphic card: MSI R5450 (ATI Radeon HD5450)
OS: Ubuntu Gnome 14.10 (Utopic), previously Ubuntu 14.04.1 with Gnome desktop
(same behaviour) Gnome shell version is 3.12
Kernel: 3.16.0-28-generic
Driver: xserver-xorg-video-radeon 7.5.99 (this is happening in every version I
tried so far).

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