[Bug 60623] New: White Screen on boot with radeon.dpm=1
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Thu Jul 25 07:57:53 PDT 2013
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
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