Bug is still present, freezing the whole machine. Though i have to say, that it 
occurs only very seldom now. It seems to be best reproducable, if more than 1 
user is logged in, and the machine is under heavy load. If you then try to open 
several large (>1,5mb) images at once in different tabs, the machine will have 
a good chance of freezing completely. Backtraces are very hard to get since the 
whole machine will simply be frozen.

Here i provide some extra backtraces and logfiles:

/var/log/messages:

Oct 14 15:13:42 hugo3 kernel: [ 6106.447295] Modules linked in: xts gf128mul 
tun fuse ext2 nls_utf8 nls_cp437 vfat fat loop snd_cmipci snd_pcm 
snd_page_alloc snd_opl3_lib snd_hwdep snd_mpu401_uart via_ircc snd_seq_midi 
snd_seq_midi_event snd_rawmidi snd_seq irda snd_timer snd_seq_device crc_ccitt 
shpchp serio_raw ns558 snd pci_hotplug pcspkr parport_pc i2c_viapro gameport 
psmouse parport soundcore processor evdev ext3 jbd mbcache sha256_generic 
aes_i586 aes_generic cbc dm_crypt dm_mod sg sr_mod cdrom sd_mod crc_t10dif 
ata_generic radeon ohci_hcd uhci_hcd ttm fan drm_kms_helper 8139cp pata_via drm 
ehci_hcd thermal 8139too i2c_algo_bit libata floppy button thermal_sys mii 
usbcore i2c_core scsi_mod nls_base [last unloaded: scsi_wait_scan]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447368] 
Oct 14 15:13:42 hugo3 kernel: [ 6106.447375] Pid: 1753, comm: Xorg Not tainted 
(2.6.32-5-686 #1) VT8366A-8233
Oct 14 15:13:42 hugo3 kernel: [ 6106.447380] EIP: 0060:[<f7fabd96>] EFLAGS: 
00213246 CPU: 0
Oct 14 15:13:42 hugo3 kernel: [ 6106.447421] EIP is at 
radeon_bo_check_tiling+0xf/0xaa [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447425] EAX: 00000000 EBX: 00000000 ECX: 
00000001 EDX: 00000000
Oct 14 15:13:42 hugo3 kernel: [ 6106.447429] ESI: f58b062c EDI: f58b0600 EBP: 
f5b69cac ESP: f5b69c24
Oct 14 15:13:42 hugo3 kernel: [ 6106.447434]  DS: 007b ES: 007b FS: 00d8 GS: 
00e0 SS: 0068
Oct 14 15:13:42 hugo3 kernel: [ 6106.447445]  00000000 f58b062c 00000001 
f7eaac6f f58b062c 00000003 0101002c f6c243b0
Oct 14 15:13:42 hugo3 kernel: [ 6106.447455] <0> 00000002 00000001 f5b69cac 
00000000 f58b062c f7eabd49 00000001 00000000
Oct 14 15:13:42 hugo3 kernel: [ 6106.447464] <0> 00000001 f6c244ac 00000060 
01003297 f6c244ac f58b0654 00000000 00000000
Oct 14 15:13:42 hugo3 kernel: [ 6106.447487]  [<f7eaac6f>] ? 
ttm_bo_handle_move_mem+0x14b/0x286 [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447497]  [<f7eabd49>] ? 
ttm_mem_evict_first+0x36c/0x3de [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447508]  [<f7eab965>] ? 
ttm_bo_mem_space+0x3c6/0x43e [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447518]  [<f7eac179>] ? 
ttm_bo_move_buffer+0x80/0xd6 [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447537]  [<f7e2dd35>] ? 
drm_mm_kmalloc+0x19/0xd5 [drm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447546]  [<f7eac271>] ? 
ttm_bo_validate+0xa2/0xe4 [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447555]  [<f7eac560>] ? 
ttm_bo_init+0x2ad/0x2db [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447580]  [<f7fac3eb>] ? 
radeon_bo_create+0xfd/0x180 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447603]  [<f7fac46e>] ? 
radeon_ttm_bo_destroy+0x0/0x76 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447630]  [<f7fb930c>] ? 
radeon_gem_object_create+0x68/0xd4 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447655]  [<f7fb93c7>] ? 
radeon_gem_create_ioctl+0x4f/0xd7 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447670]  [<f7e275ba>] ? 
drm_ioctl+0x244/0x2de [drm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447694]  [<f7fb9378>] ? 
radeon_gem_create_ioctl+0x0/0xd7 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447704]  [<c1008cfc>] ? 
restore_i387_fxsave+0x5c/0x6d
Oct 14 15:13:42 hugo3 kernel: [ 6106.447718]  [<f7e27376>] ? 
drm_ioctl+0x0/0x2de [drm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447727]  [<c10bd100>] ? vfs_ioctl+0x1c/0x5f
Oct 14 15:13:42 hugo3 kernel: [ 6106.447733]  [<c10bd694>] ? 
do_vfs_ioctl+0x4aa/0x4e5
Oct 14 15:13:42 hugo3 kernel: [ 6106.447741]  [<c10b2559>] ? 
fsnotify_access+0x5a/0x61
Oct 14 15:13:42 hugo3 kernel: [ 6106.447748]  [<c1002cf7>] ? 
restore_sigcontext+0xbe/0xd5
Oct 14 15:13:42 hugo3 kernel: [ 6106.447754]  [<c10bd710>] ? sys_ioctl+0x41/0x58
Oct 14 15:13:42 hugo3 kernel: [ 6106.447760]  [<c10030fb>] ? 
sysenter_do_call+0x12/0x28
Oct 14 15:13:42 hugo3 kernel: [ 6106.447837] ---[ end trace 1ce10bd0f3ac1a06 
]---

/var/log/syslog:

Oct 14 14:17:01 hugo3 /USR/SBIN/CRON[3422]: (root) CMD (   cd / && run-parts 
--report /etc/cron.hourly)
Oct 14 15:13:42 hugo3 kernel: [ 6106.447265] ------------[ cut here 
]------------
Oct 14 15:13:42 hugo3 kernel: [ 6106.447279] kernel BUG at 
/build/buildd-linux-2.6_2.6.32-23-i386-x1D1UQ/linux-2.6-2.6.32/debian/build/source_i386_none/drivers/gpu/drm/radeon/radeon_object.c:463!
Oct 14 15:13:42 hugo3 kernel: [ 6106.447286] invalid opcode: 0000 [#1] SMP 
Oct 14 15:13:42 hugo3 kernel: [ 6106.447291] last sysfs file: 
/sys/devices/virtual/hwmon/hwmon0/name
Oct 14 15:13:42 hugo3 kernel: [ 6106.447295] Modules linked in: xts gf128mul 
tun fuse ext2 nls_utf8 nls_cp437 vfat fat loop snd_cmipci snd_pcm 
snd_page_alloc snd_opl3_lib snd_hwdep snd_mpu401_uart via_ircc snd_seq_midi 
snd_seq_midi_event snd_rawmidi snd_seq irda snd_timer snd_seq_device crc_ccitt 
shpchp serio_raw ns558 snd pci_hotplug pcspkr parport_pc i2c_viapro gameport 
psmouse parport soundcore processor evdev ext3 jbd mbcache sha256_generic 
aes_i586 aes_generic cbc dm_crypt dm_mod sg sr_mod cdrom sd_mod crc_t10dif 
ata_generic radeon ohci_hcd uhci_hcd ttm fan drm_kms_helper 8139cp pata_via drm 
ehci_hcd thermal 8139too i2c_algo_bit libata floppy button thermal_sys mii 
usbcore i2c_core scsi_mod nls_base [last unloaded: scsi_wait_scan]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447368] 
Oct 14 15:13:42 hugo3 kernel: [ 6106.447375] Pid: 1753, comm: Xorg Not tainted 
(2.6.32-5-686 #1) VT8366A-8233
Oct 14 15:13:42 hugo3 kernel: [ 6106.447380] EIP: 0060:[<f7fabd96>] EFLAGS: 
00213246 CPU: 0
Oct 14 15:13:42 hugo3 kernel: [ 6106.447421] EIP is at 
radeon_bo_check_tiling+0xf/0xaa [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447425] EAX: 00000000 EBX: 00000000 ECX: 
00000001 EDX: 00000000
Oct 14 15:13:42 hugo3 kernel: [ 6106.447429] ESI: f58b062c EDI: f58b0600 EBP: 
f5b69cac ESP: f5b69c24
Oct 14 15:13:42 hugo3 kernel: [ 6106.447434]  DS: 007b ES: 007b FS: 00d8 GS: 
00e0 SS: 0068
Oct 14 15:13:42 hugo3 kernel: [ 6106.447440] Process Xorg (pid: 1753, 
ti=f5b68000 task=f5b70440 task.ti=f5b68000)
Oct 14 15:13:42 hugo3 kernel: [ 6106.447443] Stack:
Oct 14 15:13:42 hugo3 kernel: [ 6106.447445]  00000000 f58b062c 00000001 
f7eaac6f f58b062c 00000003 0101002c f6c243b0
Oct 14 15:13:42 hugo3 kernel: [ 6106.447455] <0> 00000002 00000001 f5b69cac 
00000000 f58b062c f7eabd49 00000001 00000000
Oct 14 15:13:42 hugo3 kernel: [ 6106.447464] <0> 00000001 f6c244ac 00000060 
01003297 f6c244ac f58b0654 00000000 00000000
Oct 14 15:13:42 hugo3 kernel: [ 6106.447474] Call Trace:
Oct 14 15:13:42 hugo3 kernel: [ 6106.447487]  [<f7eaac6f>] ? 
ttm_bo_handle_move_mem+0x14b/0x286 [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447497]  [<f7eabd49>] ? 
ttm_mem_evict_first+0x36c/0x3de [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447508]  [<f7eab965>] ? 
ttm_bo_mem_space+0x3c6/0x43e [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447518]  [<f7eac179>] ? 
ttm_bo_move_buffer+0x80/0xd6 [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447537]  [<f7e2dd35>] ? 
drm_mm_kmalloc+0x19/0xd5 [drm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447546]  [<f7eac271>] ? 
ttm_bo_validate+0xa2/0xe4 [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447555]  [<f7eac560>] ? 
ttm_bo_init+0x2ad/0x2db [ttm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447580]  [<f7fac3eb>] ? 
radeon_bo_create+0xfd/0x180 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447603]  [<f7fac46e>] ? 
radeon_ttm_bo_destroy+0x0/0x76 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447630]  [<f7fb930c>] ? 
radeon_gem_object_create+0x68/0xd4 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447655]  [<f7fb93c7>] ? 
radeon_gem_create_ioctl+0x4f/0xd7 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447670]  [<f7e275ba>] ? 
drm_ioctl+0x244/0x2de [drm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447694]  [<f7fb9378>] ? 
radeon_gem_create_ioctl+0x0/0xd7 [radeon]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447704]  [<c1008cfc>] ? 
restore_i387_fxsave+0x5c/0x6d
Oct 14 15:13:42 hugo3 kernel: [ 6106.447718]  [<f7e27376>] ? 
drm_ioctl+0x0/0x2de [drm]
Oct 14 15:13:42 hugo3 kernel: [ 6106.447727]  [<c10bd100>] ? vfs_ioctl+0x1c/0x5f
Oct 14 15:13:42 hugo3 kernel: [ 6106.447733]  [<c10bd694>] ? 
do_vfs_ioctl+0x4aa/0x4e5
Oct 14 15:13:42 hugo3 kernel: [ 6106.447741]  [<c10b2559>] ? 
fsnotify_access+0x5a/0x61
Oct 14 15:13:42 hugo3 kernel: [ 6106.447748]  [<c1002cf7>] ? 
restore_sigcontext+0xbe/0xd5
Oct 14 15:13:42 hugo3 kernel: [ 6106.447754]  [<c10bd710>] ? sys_ioctl+0x41/0x58
Oct 14 15:13:42 hugo3 kernel: [ 6106.447760]  [<c10030fb>] ? 
sysenter_do_call+0x12/0x28
Oct 14 15:13:42 hugo3 kernel: [ 6106.447763] Code: 40 14 c1 e0 0c 50 89 e8 ff 
b6 f0 00 00 00 ff 53 74 31 c0 83 c4 0c 59 5b 5e 5f 5d c3 57 89 c7 56 53 8b 80 
b0 00 00 00 85 c0 75 04 <0f> 0b eb fe f6 87 ec 00 00 00 10 0f 84 84 00 00 00 84 
c9 74 2b 
Oct 14 15:13:42 hugo3 kernel: [ 6106.447810] EIP: [<f7fabd96>] 
radeon_bo_check_tiling+0xf/0xaa [radeon] SS:ESP 0068:f5b69c24
Oct 14 15:13:42 hugo3 kernel: [ 6106.447837] ---[ end trace 1ce10bd0f3ac1a06 
]---
Oct 14 15:13:43 hugo3 kdm[1229]: X server for display :1 terminated unexpectedly
Oct 14 15:13:44 hugo3 acpid: client 1753[0:0] has disconnected
Oct 14 15:13:44 hugo3 acpid: client connected from 5077[0:0]
Oct 14 15:13:44 hugo3 acpid: 1 client rule loaded
Oct 14 15:13:44 hugo3 kernel: [ 6108.122692] [drm:drm_mode_getfb] *ERROR* 
invalid framebuffer id
Oct 14 15:13:47 hugo3 kdm_greet[5088]: Cannot load 
/usr/share/kde4/apps/kdm/faces/.default.face: Datei oder Verzeichnis nicht 
gefunden
Oct 14 15:13:49 hugo3 acpid: client 5077[0:0] has disconnected
Oct 14 15:13:55 hugo3 acpid: client connected from 1243[0:0]
Oct 14 15:13:55 hugo3 acpid: 1 client rule loaded
Oct 14 15:14:00 hugo3 acpid: client 1243[0:0] has disconnected
Oct 14 15:14:46 hugo3 acpid: client connected from 1243[0:0]
Oct 14 15:14:46 hugo3 acpid: 1 client rule loaded
Oct 14 15:14:49 hugo3 acpid: client 1243[0:0] has disconnected

Also i am posting a complete Xorg.log.0 because it may contain additional 
informations from the freeze:


X.Org X Server 1.7.7
Release Date: 2010-05-04
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.32-5-686 i686 Debian
Current Operating System: Linux hugo3 2.6.32-5-686 #1 SMP Sat Sep 18 02:14:45 
UTC 2010 i686
Kernel command line: BOOT_IMAGE=/vmlinuz-2.6.32-5-686 
root=/dev/mapper/hda9_crypt ro quiet
Build Date: 20 September 2010  03:40:46PM
xorg-server 2:1.7.7-7 (Julien Cristau <jcris...@debian.org>) 
Current version of pixman: 0.16.4
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Thu Oct 14 13:32:17 2010
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(==) No Layout section.  Using the first Screen section.
(**) |-->Screen "Default Screen" (0)
(**) |   |-->Monitor "Configured Monitor"
(**) |   |-->Device "ati"
(==) Automatically adding devices
(==) Automatically enabling devices
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
        Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
        Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
        Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/Type1" does not exist.
        Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
        Entry deleted from font path.
(WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
        Entry deleted from font path.
(WW) The directory "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" does not 
exist.
        Entry deleted from font path.
(==) FontPath set to:
        /usr/share/fonts/X11/misc,
        built-ins
(==) ModulePath set to "/usr/lib/xorg/modules"
(II) The server relies on udev to provide the list of input devices.
        If no devices become available, reconfigure udev or disable 
AutoAddDevices.
(II) Loader magic: 0x81ea020
(II) Module ABI versions:
        X.Org ANSI C Emulation: 0.4
        X.Org Video Driver: 6.0
        X.Org XInput driver : 7.0
        X.Org Server Extension : 2.0
(++) using VT number 7

(--) PCI:*(0:1:0:0) 1002:4152:17af:2016 ATI Technologies Inc RV350 AR [Radeon 
9600] rev 0, Mem @ 0xd8000000/134217728, 0xe9000000/65536, I/O @ 
0x0000c000/256, BIOS @ 0x????????/131072
(--) PCI: (0:1:0:1) 1002:4172:17af:2017 ATI Technologies Inc RV350 AR [Radeon 
9600] (Secondary) rev 0, Mem @ 0xe0000000/134217728, 0xe9010000/65536
(II) Open ACPI successful (/var/run/acpid.socket)
(II) LoadModule: "extmod"
(II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
(II) Module extmod: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 1.0.0
        Module class: X.Org Server Extension
        ABI class: X.Org Server Extension, version 2.0
(II) Loading extension SELinux
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) LoadModule: "dbe"
(II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
(II) Module dbe: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 1.0.0
        Module class: X.Org Server Extension
        ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DOUBLE-BUFFER
(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/modules/extensions/libglx.so
(II) Module glx: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 1.0.0
        ABI class: X.Org Server Extension, version 2.0
(==) AIGLX enabled
(II) Loading extension GLX
(II) LoadModule: "record"
(II) Loading /usr/lib/xorg/modules/extensions/librecord.so
(II) Module record: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 1.13.0
        Module class: X.Org Server Extension
        ABI class: X.Org Server Extension, version 2.0
(II) Loading extension RECORD
(II) LoadModule: "dri"
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Module dri: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 1.0.0
        ABI class: X.Org Server Extension, version 2.0
(II) Loading extension XFree86-DRI
(II) LoadModule: "dri2"
(II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
(II) Module dri2: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 1.1.0
        ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DRI2
(II) LoadModule: "radeon"
(II) Loading /usr/lib/xorg/modules/drivers/radeon_drv.so
(II) Module radeon: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 6.13.1
        Module class: X.Org Video Driver
        ABI class: X.Org Video Driver, version 6.0

(II) Primary Device is: PCI 0...@00:00:0
(II) [KMS] Kernel modesetting enabled.
(**) RADEON(0): Depth 24, (--) framebuffer bpp 32
(II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps)
(==) RADEON(0): Default visual is TrueColor
(==) RADEON(0): RGB weight 888
(II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
(--) RADEON(0): Chipset: "ATI Radeon 9600XT AR (AGP)" (ChipID = 0x4152)
(II) RADEON(0): AGP card detected
(II) RADEON(0): KMS Color Tiling: enabled
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 9, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:00.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 9, (OK)
drmOpenByBusid: drmOpenMinor returns 9
drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0
(II) RADEON(0): Output VGA-0 using monitor section Configured Monitor
(II) RADEON(0): Output DVI-0 has no monitor section
(II) RADEON(0): Output S-video has no monitor section
(II) RADEON(0): EDID for output VGA-0
(II) RADEON(0): Manufacturer: STN  Model: c  Serial#: 1347301689
(II) RADEON(0): Year: 2002  Week: 13
(II) RADEON(0): EDID Version: 1.3
(II) RADEON(0): Analog Display Input,  Input Voltage Level: 0.700/0.700 V
(II) RADEON(0): Sync:  Separate
(II) RADEON(0): Max Image Size [cm]: horiz.: 36  vert.: 27
(II) RADEON(0): Gamma: 2.26
(II) RADEON(0): DPMS capabilities: StandBy Suspend Off; RGB/Color Display
(II) RADEON(0): First detailed timing is preferred mode
(II) RADEON(0): GTF timings supported
(II) RADEON(0): redX: 0.638 redY: 0.325   greenX: 0.276 greenY: 0.596
(II) RADEON(0): blueX: 0.143 blueY: 0.066   whiteX: 0.283 whiteY: 0.298
(II) RADEON(0): Supported established timings:
(II) RADEON(0): 720x...@70hz
(II) RADEON(0): 720x...@88hz
(II) RADEON(0): 640x...@60hz
(II) RADEON(0): 640x...@67hz
(II) RADEON(0): 640x...@72hz
(II) RADEON(0): 640x...@75hz
(II) RADEON(0): 800x...@56hz
(II) RADEON(0): 800x...@60hz
(II) RADEON(0): 800x...@72hz
(II) RADEON(0): 800x...@75hz
(II) RADEON(0): 832x...@75hz
(II) RADEON(0): 1024x...@87hz (interlaced)
(II) RADEON(0): 1024x...@60hz
(II) RADEON(0): 1024x...@70hz
(II) RADEON(0): 1024x...@75hz
(II) RADEON(0): 1280x1...@75hz
(II) RADEON(0): 1152x...@75hz
(II) RADEON(0): Manufacturer's mask: 0
(II) RADEON(0): Supported standard timings:
(II) RADEON(0): #0: hsize: 640  vsize 480  refresh: 60  vid: 16433
(II) RADEON(0): #1: hsize: 640  vsize 480  refresh: 85  vid: 22833
(II) RADEON(0): #2: hsize: 800  vsize 600  refresh: 85  vid: 22853
(II) RADEON(0): #3: hsize: 1024  vsize 768  refresh: 85  vid: 22881
(II) RADEON(0): #4: hsize: 1280  vsize 1024  refresh: 85  vid: 39297
(II) RADEON(0): #5: hsize: 1600  vsize 1200  refresh: 75  vid: 20393
(II) RADEON(0): #6: hsize: 2048  vsize 1536  refresh: 60  vid: 16609
(II) RADEON(0): Supported detailed timing:
(II) RADEON(0): clock: 157.5 MHz   Image Size:  352 x 264 mm
(II) RADEON(0): h_active: 1280  h_sync: 1344  h_sync_end 1504 h_blank_end 1728 
h_border: 0
(II) RADEON(0): v_active: 1024  v_sync: 1025  v_sync_end 1028 v_blanking: 1072 
v_border: 0
(II) RADEON(0): Ranges: V min: 50 V max: 160 Hz, H min: 30 H max: 96 kHz, 
PixClock max 265 MHz
(II) RADEON(0): Monitor name: S/T 97P/96P
(II) RADEON(0): Serial No: HVAT313023
(II) RADEON(0): EDID (in hex):
(II) RADEON(0):         00ffffffffffff004e8e0c0039314e50
(II) RADEON(0):         0d0c010368241b7eeb5e89a353469824
(II) RADEON(0):         11484cffff8031403159455961598199
(II) RADEON(0):         a94fe1400101863d00c05100304040a0
(II) RADEON(0):         130060081100001e000000fd0032a01e
(II) RADEON(0):         601a000a202020202020000000fc0053
(II) RADEON(0):         2f54203937502f3936500a20000000ff
(II) RADEON(0):         00485641543331333032330a202000ee
(II) RADEON(0): EDID vendor "STN", prod id 12
(II) RADEON(0): Using EDID range info for horizontal sync
(II) RADEON(0): Using EDID range info for vertical refresh
(II) RADEON(0): Printing DDC gathered Modelines:
(II) RADEON(0): Modeline "1280x1024"x0.0  157.50  1280 1344 1504 1728  1024 
1025 1028 1072 +hsync +vsync (91.1 kHz)

(II) RADEON(0): Not using default mode "320x175" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "320x200" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "360x200" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "320x240" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "320x240" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "320x240" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "320x240" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "400x300" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "400x300" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "400x300" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "400x300" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "400x300" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1024x768" (interlace mode not supported)
(II) RADEON(0): Not using default mode "512x384" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "512x384" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "512x384" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "512x384" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "512x384" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "576x432" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "640x480" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "640x480" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "640x512" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "640x512" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "640x512" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "800x600" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "800x600" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "800x600" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "800x600" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1600x1200" (hsync out of range)
(II) RADEON(0): Not using default mode "800x600" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "896x672" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1792x1344" (hsync out of range)
(II) RADEON(0): Not using default mode "896x672" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "928x696" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1856x1392" (bad mode 
clock/interlace/doublescan)
(II) RADEON(0): Not using default mode "928x696" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "960x720" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1920x1440" (bad mode 
clock/interlace/doublescan)
(II) RADEON(0): Not using default mode "960x720" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "416x312" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "576x432" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "576x432" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "576x432" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "576x432" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "576x432" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "576x432" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1360x768" (monitor doesn't support 
reduced blanking)
(II) RADEON(0): Not using default mode "680x384" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "680x384" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "700x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "700x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "700x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "700x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "720x450" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "800x512" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1680x1050" (monitor doesn't support 
reduced blanking)
(II) RADEON(0): Not using default mode "840x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "840x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "840x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "840x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "840x525" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1920x1080" (monitor doesn't support 
reduced blanking)
(II) RADEON(0): Not using default mode "960x540" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1920x1200" (monitor doesn't support 
reduced blanking)
(II) RADEON(0): Not using default mode "960x600" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1920x1440" (bad mode 
clock/interlace/doublescan)
(II) RADEON(0): Not using default mode "960x720" (doublescan mode not supported)
(II) RADEON(0): Not using default mode "1024x768" (doublescan mode not 
supported)
(II) RADEON(0): Not using default mode "2048x1536" (bad mode 
clock/interlace/doublescan)
(II) RADEON(0): Not using default mode "1024x768" (doublescan mode not 
supported)
(II) RADEON(0): Not using default mode "2048x1536" (bad mode 
clock/interlace/doublescan)
(II) RADEON(0): Not using default mode "1024x768" (doublescan mode not 
supported)
(II) RADEON(0): Printing probed modes for output VGA-0

(II) RADEON(0): EDID for output DVI-0
(II) RADEON(0): EDID for output S-video
(II) RADEON(0): Output VGA-0 connected
(II) RADEON(0): Output DVI-0 disconnected
(II) RADEON(0): Output S-video disconnected
(II) RADEON(0): Using user preference for initial modes
(II) RADEON(0): Output VGA-0 using initial mode 1280x1024
(II) RADEON(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.
(II) RADEON(0): mem size init: gart size :7dff000 vram size: s:8000000 
visible:7ac0000
(II) RADEON(0): EXA: Driver will allow EXA pixmaps in VRAM
(**) RADEON(0): Display dimensions: (360, 270) mm
(**) RADEON(0): DPI set to (90, 96)
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/lib/xorg/modules/libfb.so
(II) Module fb: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 1.0.0
        ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "ramdac"
(II) LoadModule: "ramdac"
(II) Module "ramdac" already built-in
(II) Loading sub module "exa"
(II) LoadModule: "exa"
(II) Loading /usr/lib/xorg/modules/libexa.so
(II) Module exa: vendor="X.Org Foundation"
        compiled for 1.7.7, module version = 2.5.0
        ABI class: X.Org Video Driver, version 6.0
(--) Depth 24 pixmap format is 32 bpp
(II) RADEON(0): [DRI2] Setup complete
(II) RADEON(0): Front buffer size: 5120K
(II) RADEON(0): VRAM usage limit set to 108518K
(==) RADEON(0): Backing store disabled
(II) RADEON(0): Direct rendering enabled
(II) RADEON(0): Render acceleration enabled for R300/R400/R500 type cards.
(II) RADEON(0): Setting EXA maxPitchBytes
(II) EXA(0): Driver allocated offscreen pixmaps
(II) EXA(0): Driver registered support for the following operations:
(II)         Solid
(II)         Copy
(II)         Composite (RENDER acceleration)
(II)         UploadToScreen
(II)         DownloadFromScreen
(II) RADEON(0): Acceleration enabled
(==) RADEON(0): DPMS enabled
(==) RADEON(0): Silken mouse enabled
(II) RADEON(0): Set up textured video
(II) RADEON(0): RandR 1.2 enabled, ignore the following RandR disabled message.
(WW) RADEON(0): Option "AddARGBGLXVisuals" is not used
(--) RandR disabled
(II) Initializing built-in extension Generic Event Extension
(II) Initializing built-in extension SHAPE
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension BIG-REQUESTS
(II) Initializing built-in extension SYNC
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension XC-MISC
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFIXES
(II) Initializing built-in extension RENDER
(II) Initializing built-in extension RANDR
(II) Initializing built-in extension COMPOSITE
(II) Initializing built-in extension DAMAGE
SELinux: Disabled on system, not enabling in X server
(II) AIGLX: enabled GLX_MESA_copy_sub_buffer
(II) AIGLX: enabled GLX_SGI_make_current_read
(II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
(II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
(II) AIGLX: Loaded and initialized /usr/lib/dri/r300_dri.so
(II) GLX: Initialized DRI2 GL provider for screen 0
(II) RADEON(0): Setting screen physical size to 338 x 270
(II) config/udev: Adding input device Power Button (/dev/input/event3)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(II) LoadModule: "evdev"
(II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
(II) Module evdev: vendor="X.Org Foundation"
        compiled for 1.7.6.901, module version = 2.3.2
        Module class: X.Org XInput Driver
        ABI class: X.Org XInput driver, version 7.0
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event3"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "de"
(**) Option "xkb_variant" "nodeadkeys"
(II) config/udev: Adding input device Power Button (/dev/input/event1)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event1"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "de"
(**) Option "xkb_variant" "nodeadkeys"
(II) config/udev: Adding input device Sleep Button (/dev/input/event2)
(**) Sleep Button: Applying InputClass "evdev keyboard catchall"
(**) Sleep Button: always reports core events
(**) Sleep Button: Device: "/dev/input/event2"
(II) Sleep Button: Found keys
(II) Sleep Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "de"
(**) Option "xkb_variant" "nodeadkeys"
(II) config/udev: Adding input device AT Translated Set 2 keyboard 
(/dev/input/event0)
(**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
(**) AT Translated Set 2 keyboard: always reports core events
(**) AT Translated Set 2 keyboard: Device: "/dev/input/event0"
(II) AT Translated Set 2 keyboard: Found keys
(II) AT Translated Set 2 keyboard: Configuring as keyboard
(II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: 
KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "de"
(**) Option "xkb_variant" "nodeadkeys"
(II) config/udev: Adding input device ImPS/2 Logitech Wheel Mouse 
(/dev/input/event5)
(**) ImPS/2 Logitech Wheel Mouse: Applying InputClass "evdev pointer catchall"
(**) ImPS/2 Logitech Wheel Mouse: always reports core events
(**) ImPS/2 Logitech Wheel Mouse: Device: "/dev/input/event5"
(II) ImPS/2 Logitech Wheel Mouse: Found 3 mouse buttons
(II) ImPS/2 Logitech Wheel Mouse: Found scroll wheel(s)
(II) ImPS/2 Logitech Wheel Mouse: Found relative axes
(II) ImPS/2 Logitech Wheel Mouse: Found x and y relative axes
(II) ImPS/2 Logitech Wheel Mouse: Configuring as mouse
(**) ImPS/2 Logitech Wheel Mouse: YAxisMapping: buttons 4 and 5
(**) ImPS/2 Logitech Wheel Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 
10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "ImPS/2 Logitech Wheel Mouse" (type: 
MOUSE)
(II) ImPS/2 Logitech Wheel Mouse: initialized for relative axes.
(II) config/udev: Adding input device ImPS/2 Logitech Wheel Mouse 
(/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device PC Speaker (/dev/input/event4)
(II) No input driver/identifier specified (ignoring)

(II) RADEON(0): EDID vendor "STN", prod id 12
(II) RADEON(0): Using hsync ranges from config file
(II) RADEON(0): Using vrefresh ranges from config file
(II) RADEON(0): Printing DDC gathered Modelines:

(II) RADEON(0): EDID vendor "STN", prod id 12
(II) RADEON(0): Using hsync ranges from config file
(II) RADEON(0): Using vrefresh ranges from config file
(II) RADEON(0): Printing DDC gathered Modelines:

(II) AIGLX: Suspending AIGLX clients for VT switch
(II) Open ACPI successful (/var/run/acpid.socket)
(II) AIGLX: Resuming AIGLX clients after VT switch
(II) RADEON(0): EDID vendor "STN", prod id 12
(II) RADEON(0): Using hsync ranges from config file
(II) RADEON(0): Using vrefresh ranges from config file
(II) RADEON(0): Printing DDC gathered Modelines:

(II) Power Button: Device reopened after 1 attempts.
(II) Power Button: Device reopened after 1 attempts.
(II) Sleep Button: Device reopened after 1 attempts.
(II) AT Translated Set 2 keyboard: Device reopened after 1 attempts.
(II) ImPS/2 Logitech Wheel Mouse: Device reopened after 1 attempts.
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) Open ACPI successful (/var/run/acpid.socket)
(II) AIGLX: Resuming AIGLX clients after VT switch
(II) RADEON(0): EDID vendor "STN", prod id 12
(II) RADEON(0): Using hsync ranges from config file
(II) RADEON(0): Using vrefresh ranges from config file
(II) RADEON(0): Printing DDC gathered Modelines:

(II) Power Button: Device reopened after 1 attempts.
(II) Power Button: Device reopened after 1 attempts.
(II) Sleep Button: Device reopened after 1 attempts.
(II) AT Translated Set 2 keyboard: Device reopened after 1 attempts.
(II) ImPS/2 Logitech Wheel Mouse: Device reopened after 1 attempts.
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) Open ACPI successful (/var/run/acpid.socket)
(II) AIGLX: Resuming AIGLX clients after VT switch
(II) RADEON(0): EDID vendor "STN", prod id 12
(II) RADEON(0): Using hsync ranges from config file
(II) RADEON(0): Using vrefresh ranges from config file
(II) RADEON(0): Printing DDC gathered Modelines:

(II) Power Button: Device reopened after 1 attempts.
(II) Power Button: Device reopened after 1 attempts.
(II) Sleep Button: Device reopened after 1 attempts.
(II) AT Translated Set 2 keyboard: Device reopened after 1 attempts.
(II) ImPS/2 Logitech Wheel Mouse: Device reopened after 1 attempts.
(II) AIGLX: Suspending AIGLX clients for VT switch

Please fix that bug. It cant be, that a single application like Iceweasel 
crashes a whole system.






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