[Bug 67901] New: Black screen or freeze on radeon driver on AMD 6470M / Intel HD 3000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67901

          Priority: medium
            Bug ID: 67901
          Assignee: dri-devel at lists.freedesktop.org
           Summary: Black screen or freeze on radeon driver on AMD 6470M /
                    Intel HD 3000
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: xpressrazor at gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Drivers/DRI/R600
           Product: Mesa

I have hybrid graphics card setup (AMD 6470M / Intel HD 3000 sandy bridge). I
followed http://www.phoronix.com/scan.php?page=news_item&px=MTQyNDE and
installed 3.11 kernel on ubuntu 13.10 daily. I also installed mesa 9.2 using
xorg-edgers ppa. When I tried to boot using radeon.dpm=1, it had shown a
message about missing driver (CAICOS), therefore I replaced all drivers in
/lib/firmware/radeon with the one downloaded from
http://people.freedesktop.org/~agd5f/radeon_ucode/. I ran  "update-initramfs
-u", after which the message had gone. 

This time when I tried to boot using radeon.dpm=1 and it froze. I even tried to
turn ON AMD graphics card using vgaswitcheroo
(https://help.ubuntu.com/community/HybridGraphics). When I logout, and tried to
login it sometimes showed black screen or sometimes froze.

I had seen the development page (I don't remember where), and the hybrid
graphics card switching was not fully fixed. Is this still the problem?

Thanks !!

$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Seymour
[Radeon HD 6400M/7400M Series] (rev ff)

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