[Bug 60623] New: White Screen on boot with radeon.dpm=1

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=60623

            Bug ID: 60623
           Summary: White Screen on boot with radeon.dpm=1
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.11.0-999-generic
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: electrobs at gmail.com
        Regression: No

Using the latest ubuntu built kernel from
http://kernel.ubuntu.com/~kernel-ppa/mainline/, and enabling the boot option of
radeon.dpm=1 . Results in a black screen after grub that eventually turns white
gradually. Removing the option allows the laptop to function perfectly with the
AMD 3650 video card.

Hardware:
-Lenovo T500 with AMD 3650 and a Intel 4500MHD switchable graphics off.
-more info at
http://support.lenovo.com/en_US/detail.page?LegacyDocID=MIGR-71785

Software:
-clean install of Kubuntu 13.04 with beta ppa enabled for KDE 4.11 rc2
-xorg-edgers ppa enabled

-- 
You are receiving this mail because:
You are watching the assignee of the bug.