http://bugzilla.kernel.org/show_bug.cgi?id=14801
Summary: radeon.modeset=1 boot option crashes system with ATI
rc410 card producing garbled system logs
Product: Drivers
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-...@kernel-bugs.osdl.org
ReportedBy: eumos...@gmail.com
Regression: No
After the upgrade to Ubuntu karmic 9.10 with 2.6.31-14 kms was pretty stable.
Then with a number of upgrades including 31-14, the radeon.modeset=1 boot
option would eventually freeze the system (with dri=on and the compiz features
enabled). Apparently, this happens when windows are being manipulated (moved,
resized, scrolled etc) Nothing seems to work then, except for the REISUB SysRq
keys which would restart the machine.
A very strange and weird fact is that these crashes either leave no traces in
the system logs or render them unreadable just right when the system hangs. I
will upload the logs in question anyways.
Some (possible) ways to reproduce:
Install or upgrade to Ubuntu karmic 9.10 on Toshiba Satellite L35. Then update
the kernel images. Boot with the radeon.modeset=1 option. This system will hang
eventually , when the session is run for some time and windows are being
manipulated.
System: uname -a
Linux 2.6.31-16-generic #52-Ubuntu SMP Thu Dec 3 22:00:22 UTC 2009 i686
GNU/Linux
description: Notebook
product: Satellite L35
vendor: TOSHIBA
version: PSL33U-03W02K
width: 32 bits
lspci
00:00.0 Host bridge: ATI Technologies Inc Device 5a31 (rev 01)
00:01.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:12.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller
(rev 80)
00:13.0 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev
80)
00:13.1 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev
80)
00:13.2 USB Controller: ATI Technologies Inc IXP SB400 USB2 Host Controller
(rev 80)
00:14.0 SMBus: ATI Technologies Inc IXP SB400 SMBus Controller (rev 82)
00:14.1 IDE interface: ATI Technologies Inc IXP SB400 IDE Controller (rev 80)
00:14.2 Audio device: ATI Technologies Inc IXP SB4x0 High Definition Audio
Controller (rev 01)
00:14.3 ISA bridge: ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80)
00:14.4 PCI bridge: ATI Technologies Inc IXP SB400 PCI-PCI Bridge (rev 80)
01:05.0 VGA compatible controller: ATI Technologies Inc RC410 [Radeon Xpress
200M]
09:01.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller (rev 01)
09:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
09:04.0 Ethernet controller: Atheros Communications Inc. AR2413 802.11bg NIC
(rev 01)
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