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From: Jonathan McDowell <>
Subject: 2.6.25-rc3 + RS690 + DRM + xf86-video-ati hang
Date: Sat, 1 Mar 2008 19:35:11 +0000	[thread overview]
Message-ID: <> (raw)

If I enable CONFIG_DRM_RADEON under 2.6.25-rc3 then starting up
X using the xf86-video-ati driver (6.8.0 or latest git) causes the
machine to become unresponsive; while it still pings and will accept
incoming connections they never actually complete and it's not possible
to login over a serial console (the actual video console doesn't display
anything and the monitor reports a loss of sync).

Disabling the kernel DRM option results in X running successfully.
Likewise 2.6.24 works fine with DRM enabled, presumably because the
support for the RS690 was only added in 2.6.25-rc

The last messages from the kernel before it becomes unresponsive are:

[drm] Setting GART location based on new memory map
[drm] Loading R300 Microcode
[drm] writeback test succeeded in 1 usecs

The motherboard in question is an ASUS M2A-VM HDMI, with the analog VGA
output being used. The machine is running an AMD64 with Debian unstable.
I have put the output of lspci, a non drm Xorg.log and a drm Xorg.log

If I can provide any more useful information please let me know.


 I get the feeling that I've been  |  .''`.  Debian GNU/Linux Developer
             cheated.              | : :' :  Happy to accept PGP signed
                                   | `. `'   or encrypted mail - RSA +
                                   |   `-    DSA keys on the keyservers.

             reply	other threads:[~2008-03-01 19:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-01 19:35 Jonathan McDowell [this message]
2008-03-02 19:23 ` Alex Deucher
2008-03-04  6:48 ` Andrew Morton
2008-03-04  8:16   ` Dave Airlie
2008-03-04  8:51     ` Jonathan McDowell
2008-03-04  9:13       ` Andrew Morton
2008-03-04  9:24         ` Dave Airlie
2008-03-04 10:33           ` Jonathan McDowell
2008-03-04 11:23       ` Dave Airlie
2008-03-04 17:13         ` JoJo jojo
2008-03-04 18:02           ` Alex Deucher

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