[Bug 96351] New: System hangs up after update to any kernel newer than 3.12*

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=96351

            Bug ID: 96351
           Summary: System hangs up after update to any kernel newer than
                    3.12*
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.19.3-100.fc20.i686
          Hardware: x86-64
                OS: Linux
              Tree: Fedora
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: georgechebanmk@gmail.com
        Regression: No

Good day to you, comrades!

Have some problems with my notebook Packard Bell Easynote lj-71. 
It has an old graphic HD 4650. 

Now working on Fedora 20 with kernel 3.12.7-300.fc20.i686.

After update to any newer kernel, for example 3.17*/3.19* with any distro
(*buntu, fedora), 4.0* on Fedora 22 Alpha, system starts for a few minutes and
then always hangs up with black screen, especially when running video on
youtube for example. Alt+Ctrl+F2 doesn't work, only hard reset
Can start with "nomodeset" parameter, so I think that it's a radeon driver
problems. 

Works normally only with stock kernel 3.12. 

Also, described method in this topic
https://bugzilla.kernel.org/show_bug.cgi?id=71891 with radeon.dpm=0 doesn't
solves my problem. 

Please advice, what else outputs I need to provide for more detailed
information? Working with linux for a few months, so don't have enough skills
to solve this problem on my own. 

lspci -k | grep -A3 VGA
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV730/M96 [Mobility Radeon HD 4650/5165]
        Subsystem: Acer Incorporated [ALI] Device 027e
        Kernel driver in use: radeon
        Kernel modules: radeon

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