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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 26891] Radeon KMS fails with inaccessible AtomBIOS on systems with (U)EFI boot
Date: Thu, 03 Jan 2013 15:14:53 +0000	[thread overview]
Message-ID: <bug-26891-502-RfEwBHJEqJ@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-26891-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=26891

--- Comment #51 from Anonymous Helper <anonymous@dodgeit.com> ---
(In reply to comment #50) 
> You'll need to use vga-switcheroo to select the card you want to use.  Then
> you should be able to start X without any config and it will start on the
> one selected by vga-switcheroo.  Having two device sections as your config
> does will force X to try and start on both devices.

I tried without the BusID but all I got was a black screen. For some reason
when I switch to the intel GPU I get a black screen also, though it did work
when I booted from grub-efi earlier with the well documented outb commands to
disable AMD (no BIOS from EFI w/o efistub). Not sure if it's an issue with
vga-switcheroo, intel driver or something else.

I don't know if it's a problem, but both cards are powered on at boot. I can
switch back and forth between the GPUs (though it's tricky doing so blind when
on intel graphics).

Any other suggestions? Thanks.

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  parent reply	other threads:[~2013-01-03 15:14 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-04 20:46 [Bug 26891] New: Radeon KMS on Macs with EFI boot bugzilla-daemon
2010-03-04 20:50 ` [Bug 26891] " bugzilla-daemon
2011-05-12 12:06 ` bugzilla-daemon
2011-05-16 20:27 ` bugzilla-daemon
2011-05-17  9:50 ` bugzilla-daemon
2011-05-17 10:31 ` bugzilla-daemon
2011-05-17 11:14 ` bugzilla-daemon
2011-05-19 10:30 ` bugzilla-daemon
2011-05-19 12:34 ` bugzilla-daemon
2011-05-19 13:22 ` bugzilla-daemon
2012-01-15 12:09 ` bugzilla-daemon
2012-02-05  0:38 ` bugzilla-daemon
2012-02-05 10:25 ` bugzilla-daemon
2012-02-05 10:27 ` bugzilla-daemon
2012-02-05 10:27 ` bugzilla-daemon
2012-02-05 10:28 ` bugzilla-daemon
2012-03-29 10:03 ` bugzilla-daemon
2012-03-31 16:39 ` bugzilla-daemon
2012-04-10  3:15 ` bugzilla-daemon
2012-04-10 13:14 ` bugzilla-daemon
2012-04-11  1:45 ` bugzilla-daemon
2012-05-01 17:24 ` bugzilla-daemon
2012-08-03 16:12 ` [Bug 26891] Radeon KMS fails with inaccessible AtomBIOS on systems with (U)EFI boot bugzilla-daemon
2012-08-03 16:33 ` bugzilla-daemon
2012-08-03 17:12 ` bugzilla-daemon
2012-08-03 17:26 ` bugzilla-daemon
2012-08-03 18:49 ` bugzilla-daemon
2012-08-03 19:23 ` bugzilla-daemon
2012-08-03 21:17 ` bugzilla-daemon
2012-08-03 22:05 ` bugzilla-daemon
2012-08-03 22:54 ` bugzilla-daemon
2012-08-03 23:21 ` bugzilla-daemon
2012-08-09 21:10 ` bugzilla-daemon
2012-08-12 17:52 ` bugzilla-daemon
2012-08-30  1:48 ` bugzilla-daemon
2012-08-30 14:25 ` bugzilla-daemon
2012-08-30 17:39 ` bugzilla-daemon
2012-09-05 20:39 ` bugzilla-daemon
2012-09-16 21:43 ` bugzilla-daemon
2012-09-16 22:05 ` bugzilla-daemon
2012-09-16 22:19 ` bugzilla-daemon
2012-09-17  6:23 ` bugzilla-daemon
2012-09-18  5:55 ` bugzilla-daemon
2012-09-18  7:02 ` bugzilla-daemon
2012-10-11 23:27 ` bugzilla-daemon
2012-10-19 15:37 ` bugzilla-daemon
2012-10-19 16:11 ` bugzilla-daemon
2012-12-29 10:41 ` bugzilla-daemon
2012-12-29 11:21 ` bugzilla-daemon
2013-01-02 14:21 ` bugzilla-daemon
2013-01-03  2:50 ` bugzilla-daemon
2013-01-03 14:34 ` bugzilla-daemon
2013-01-03 15:14 ` bugzilla-daemon [this message]
2013-01-03 15:26 ` bugzilla-daemon
2013-02-05 20:23 ` bugzilla-daemon
2013-02-08  1:43 ` bugzilla-daemon
2013-03-24  2:53 ` bugzilla-daemon
2013-03-24 14:18 ` bugzilla-daemon
2013-03-25  2:02 ` bugzilla-daemon
2013-04-03  1:23 ` bugzilla-daemon
2013-04-03  5:14 ` bugzilla-daemon
2013-04-03  5:47 ` bugzilla-daemon
2013-04-09  9:19 ` bugzilla-daemon
2013-04-09 12:31 ` bugzilla-daemon
2013-04-11 12:57 ` bugzilla-daemon
2013-04-11 13:09 ` bugzilla-daemon
2013-04-12  2:02 ` bugzilla-daemon

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