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

Priority: medium Bug ID: 67901 Assignee: dri-devel@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@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)