From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 61891] New: Cannot switch off Radeon 6400M with vgaswitcheroo
Date: Sun, 22 Sep 2013 14:36:33 +0000 [thread overview]
Message-ID: <bug-61891-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=61891
Bug ID: 61891
Summary: Cannot switch off Radeon 6400M with vgaswitcheroo
Product: Drivers
Version: 2.5
Kernel Version: 3.12-rc1
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: madcatx@atlas.cz
Regression: No
Created attachment 109251
--> https://bugzilla.kernel.org/attachment.cgi?id=109251&action=edit
dmesg
I use systemd's tmpfiles to power off the Radeon DIS early during boot to save
power. This works fine with kernel 3.11.1 but it breaks with 3.12-rc1. I
removed the systemd rule and tried to power the card off manually (echo OFF >
/sys/kernel/debug/vgaswitcheroo/switch). I got a kernel warning and
vga_switcheroo died. See the attached file for full dmesg dump.
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Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-22 14:36 bugzilla-daemon [this message]
2013-09-22 14:38 ` [Bug 61891] Cannot switch off Radeon 6400M with vgaswitcheroo bugzilla-daemon
2013-09-22 14:38 ` bugzilla-daemon
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