From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 83531] New: radeon 6650m cannot boot without radeon.runpm=0
Date: Sat, 30 Aug 2014 16:25:32 +0000 [thread overview]
Message-ID: <bug-83531-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=83531
Bug ID: 83531
Summary: radeon 6650m cannot boot without radeon.runpm=0
Product: Drivers
Version: 2.5
Kernel Version: 3.13-3.15.10
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: kvbevsauce@gmail.com
Regression: No
my laptop is a lenovo z575 with an amd a6-3420 apu and a 6650m for hybrid
graphics. I am running fedora 20 with the latest kernel of 3.15.10
ever since I updated to kernel 3.13 sometime ago when hybrid DPM was enabled my
laptop will not boot without the above kernel parameter.
i have the plymouth boot screen disabled so it shows text based boot. the
moment the boot text "fedora 20 hisenbug" shows up, between 3 and 5 seconds
later the cursor will stop blinking and the system will be frozen. sometimes
more boot text shows up after sometimes not.
any help to get dynamic power management working.
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next reply other threads:[~2014-08-30 16:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-30 16:25 bugzilla-daemon [this message]
2014-09-08 5:08 ` [Bug 83531] radeon 6650m cannot boot without radeon.runpm=0 bugzilla-daemon
2016-10-21 0:55 ` bugzilla-daemon
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