Bug#437321: Black screen with Radeon X1300 and linux-image >= 2.6.22

[Salvo Isaja]

Hi,
same problem here with an ATI Radeon X1300, freshly dist-upgraded 
lenny (xorg 7.3). Asked on debian-user with no luck.

Everything is fine with kernel 2.6.18 from etch, black screen with 
kernek >= 2.6.22. With later kernels, both the vesa and the radeonhd 
xorg driver have similar problems: black screen with garbage from the 
console for vesa, no fonts, wrong colors and almost white window 
frames only with radeonhd.

Already tried to disable the option reported in this bug report, as 
well as dri. Also tried with no xorg.conf with the same result.

Here is the diff between the Xorg.0.log files on 2.6.18 and 2.6.25:

--- Xorg.0.log  2008-07-18 18:20:34.000000000 +0200
+++ Xorg.0.log.old      2008-07-18 18:18:13.000000000 +0200
@@ -6 +6 @@
-Current Operating System: Linux ignazio 2.6.18-4-486 #1 Mon Mar 26 
16:39:10 UTC 2007 i686
+Current Operating System: Linux ignazio 2.6.25-2-486 #1 Fri Jun 27 
02:39:22 UTC 2008 i686
@@ -15 +15 @@
-(==) Log file: "/var/log/Xorg.0.log", Time: Fri Jul 18 18:20:30 2008
+(==) Log file: "/var/log/Xorg.0.log", Time: Fri Jul 18 18:18:11 2008
@@ -480 +480 @@
-(II) RADEONHD(0): Mapped IO at 0xb7b22000 (size 0x00010000)
+(II) RADEONHD(0): Mapped IO at 0xb7aec000 (size 0x00010000)
@@ -600 +600 @@
-(II) RADEONHD(0): Mapped IO at 0xb7b22000 (size 0x00010000)
+(II) RADEONHD(0): Mapped IO at 0xb7aec000 (size 0x00010000)
@@ -602 +602 @@
-(II) RADEONHD(0): Mapped FB at 0xa7aa8000 (size 0x10000000)
+(II) RADEONHD(0): Mapped FB at 0xa7a72000 (size 0x10000000)

I don't know why with 2.6.25 a different address is assigned to the 
graphic card and if this could be the problem.

Thanks,
   Salvo
--