From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 39672] New: [r280] Black screen on PPC with digital monitor on radeon / Cannot find any crtc or sizes
Date: Wed, 20 Jul 2011 21:29:52 GMT [thread overview]
Message-ID: <bug-39672-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=39672
Summary: [r280] Black screen on PPC with digital monitor on
radeon / Cannot find any crtc or sizes
Product: Drivers
Version: 2.5
Kernel Version: 3.0.0-rc6
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
ReportedBy: rechner@vlado-do.de
Regression: No
Created an attachment (id=66132)
--> (https://bugzilla.kernel.org/attachment.cgi?id=66132)
syslog from system without video output
Testing Kernel 3.0.0 (rc6 from Debian experimental) I encountered a problem
with (DVI) display detection - the screen goes blank when trying to activate
KMS. From syslog:
[drm:radeon_add_legacy_connector] *ERROR* DVI: Failed to assign ddc bus! Check
dmesg for i2c errors.
[drm] DDC: no ddc bus - possible BIOS bug - please report to
xorg-driver-ati@lists.x.org
No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768
To me this looks quite similar to #23222.
With a VGA monitor the screen does not go blank, but I still don't get the
login window in KDM (?).
I'm using Ubuntu 11.04 and with a self-compiled 2.6.39-rc7 kernel I have
working KMS (even though direct rendering does not work, as reported on
https://bugs.freedesktop.org/show_bug.cgi?id=37169 ).
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next reply other threads:[~2011-07-20 21:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-20 21:29 bugzilla-daemon [this message]
2011-07-20 22:17 ` [Bug 39672] [r280] Black screen on PPC with digital monitor on radeon / Cannot find any crtc or sizes bugzilla-daemon
2011-07-21 16:50 ` bugzilla-daemon
2011-07-22 21:59 ` bugzilla-daemon
2011-07-23 17:24 ` bugzilla-daemon
2011-08-08 8:20 ` bugzilla-daemon
2011-08-08 8:40 ` bugzilla-daemon
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