Re: BUG: system hangs in DRM during/after radeon init with linux-2.6.36-rc5

[Berthold Cogel <cogel@uni-koeln.de>]

Am 26.09.2010 23:13, schrieb Berthold Cogel:
> Hello!
> 
> I wanted to verify if the problem I've reported two weeks ago (Oops in
> linux-2.6.34.3 radeon at xserver start) is still present in newer
> versions. I've build linux-2.6.36-rc5 (config from working
> linux-2.6.34.2, make oldconfig ....) and the system got stuck during
> boot. Last line on screen was a message from DRM about initializing
> radeon. No bug, no Oops... Nothing. And nothing in the logs ... to early...
> 
> Hardware:
> Asus P6T
> Intel Core i7
> 12 GB RAM
> HIS HD4670 IceQ Turbo PCIe
> 
> System is Debian stable/testing x86_64.
> 
> Output of lspci:
> 
> 00:00.0 Host bridge: Intel Corporation 5520/5500/X58 I/O Hub to ESI Port
> (rev 12)
> 00:01.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express
> Root Port 1 (rev 12)
> 00:03.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express
> Root Port 3 (rev 12)
> 00:07.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express
> Root Port 7 (rev 12)
> 00:14.0 PIC: Intel Corporation 5520/5500/X58 I/O Hub System Management
> Registers (rev 12)
> 00:14.1 PIC: Intel Corporation 5520/5500/X58 I/O Hub GPIO and Scratch
> Pad Registers (rev 12)
> 00:14.2 PIC: Intel Corporation 5520/5500/X58 I/O Hub Control Status and
> RAS Registers (rev 12)
> 00:14.3 PIC: Intel Corporation 5520/5500/X58 I/O Hub Throttle Registers
> (rev 12)
> 00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #4
> 00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #5
> 00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #6
> 00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2
> EHCI Controller #2
> 00:1b.0 Audio device: Intel Corporation 82801JI (ICH10 Family) HD Audio
> Controller
> 00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express
> Root Port 1
> 00:1c.2 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express
> Root Port 3
> 00:1c.3 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express
> Root Port 4
> 00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #1
> 00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #2
> 00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB
> UHCI Controller #3
> 00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2
> EHCI Controller #1
> 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90)
> 00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface
> Controller
> 00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port
> SATA IDE Controller #1
> 00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
> 00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port
> SATA IDE Controller #2
> 02:00.0 VGA compatible controller: ATI Technologies Inc RV730XT [Radeon
> HD 4670]
> 02:00.1 Audio device: ATI Technologies Inc RV710/730
> 04:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6315 Series
> Firewire Controller
> 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
> 
> This problem didn't occur with 2.6.35.4 (although this version had the
> problem with the Oops mentioned above). I haven't tested earlier
> 2.6.36-rc versions yet.
> 
> 

Same problem with 2.6.36-rc1. So it's a regression somewhere between
2.6.35 and 2.6.36-rc1.

Berthold Cogel