[Bug 105481] New: radeon driver lockup since 3.9.*

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=105481

            Bug ID: 105481
           Summary: radeon driver lockup since 3.9.*
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.2.2-1
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: droidlove at ya.ru
        Regression: No

Created attachment 189451
  --> https://bugzilla.kernel.org/attachment.cgi?id=189451&action=edit
dmesg output

Since the Kernel 3.9.*(don't remember the last number of the version; maybe all
of them) i get rare lockups of the radeon  driver. The probability of a lockup
is higher the more load on a graphic card. But this is not necessary. This time
the driver hung while watching a video in SMPlayer. 

I can't reproduce the bug on purpose, it just happens from time to time,
resulting in switched off monitors. Sometimes the kernel is trying to restore
the driver but this never happens, resulting in endless switching on and off
the monitors. 

Hardware:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape
Verde PRO [Radeon HD 7750/8740 / R7 250E]


Thanks!

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