[Bug 75992] Display freezes & corruption with an r7 260x on 3.14-rc6

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75992

--- Comment #55 from nicolas.laplante at gmail.com ---
Regression on 3.14.3. Screen corruption is back. Using Radeon microcode from
2014-04-30.

dmesg is full of messages like this:

[  658.696174] radeon 0000:01:00.0: GPU fault detected: 147 0x0ee20808
[  658.696175] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
0x00000000
[  658.696177] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
0x00000000
[  658.696178] VM fault (0x00, vmid 0) at page 0, read from '' (0x00000000) (0)

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