From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 37040] New: Radeon driver reports EDID errors every 10 seconds
Date: Mon,  9 May 2011 16:00:19 -0700 (PDT)
Message-ID: <bug-37040-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=37040

           Summary: Radeon driver reports EDID errors every 10 seconds
           Product: DRI
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: teufel@cs.uni-frankfurt.de


Created an attachment (id=46512)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=46512)
an excerpt of /var/log/messages with some comments and an example of the output
 to tty1

Radeon driver reports EDID errors every 10 seconds, which causes related log
files increased over 100M in size every day and makes the system hardly usable
because of the output every 10 seconds to tty1 (and ttyS0 in my case).

See also my related LKML message: https://lkml.org/lkml/2011/4/14/661

I get every 10 seconds:
radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
together with a block of zeroes (only on tty1, see attachment).

OS: Debian GNU/Linux 6.0.1 (squeeze)
kernel: Linux 2.6.38-bpo.2-amd64 (2.6.38-3~bpo60+1)
(it was the same with Linux 2.6.32-5-amd64 (2.6.32-31))

Mainboard: ASUS M2A-VM
Chipset (onboard): ATI Technologies Inc RS690 [Radeon X1200 Series]
aka 01:05.0 0300: 1002:791e

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