On Tue, Apr 12, 2011 at 5:02 AM, Joerg Roedel <joro at 8bytes.org> wrote:
> On Mon, Apr 11, 2011 at 05:40:11PM -0700, Linus Torvalds wrote:
>> Let's hope the release cycle continues like this. I _like_ it when
>> people really seem to follow the whole "big changes during the merge
>> window" rules.
>
> Sorry for disturbing the silence, but radeon seems to have issues. I
> tested -rc3 (and after that -rc1 which also has the issue) on my Laptop
> and it just reboots after (or while?) GFX initialization. The last lines
> of dmesg are:
>
> ?Freeing unused kernel memory: 624k freed
> ?Write protecting the kernel read-only data: 8192k
> ?Freeing unused kernel memory: 1456k freed
> ?Freeing unused kernel memory: 16k freed
> ?udev: starting version 151
> ?udevd (62): /proc/62/oom_adj is deprecated, please use 
> /proc/62/oom_score_adj instead.
> ?[drm] Initialized drm 1.1.0 20060810
> ?[drm] radeon defaulting to kernel modesetting.
> ?[drm] radeon kernel modesetting enabled.
> ?radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
> ?[drm] initializing kernel modesetting (RS880 0x1002:0x9712).
> ?[drm] register mmio base: 0xD6400000
> ?[drm] register mmio size: 65536
> ?ATOM BIOS: HP_TAG
> ?radeon 0000:01:05.0: VRAM: 320M 0x00000000C0000000 - 0x00000000D3FFFFFF 
> (320M used)
> ?radeon 0000:01:05.0: GTT: 512M 0x00000000A0000000 - 0x00000000BFFFFFFF
> ?[drm] Detected VRAM RAM=320M, BAR=256M
> ?[drm] RAM width 32bits DDR
> ?[TTM] Zone ?kernel: Available graphics memory: 1896512 kiB.
> ?usb 7-2: new full speed USB device number 2 using ohci_hcd
> ?[TTM] Initializing pool allocator.
> ?[drm] radeon: 320M of VRAM memory ready
> ?[drm] radeon: 512M of GTT memory ready.
> ?[drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
> ?[drm] Driver supports precise vblank timestamp query.
> ?[drm] radeon: irq initialized.
> ?[drm] GART: num cpu pages 131072, num gpu pages 131072
> ?[drm] Loading RS780 Microcode
> ?radeon 0000:01:05.0: WB enabled
> ?[drm] ring test succeeded in 1 usecs
> ?[drm] radeon: ib pool ready.
>
> The card is a Radeon Mobility 4200:
>
> 01:05.0 VGA compatible controller: ATI Technologies Inc M880G [Mobility 
> Radeon HD 4200]
> ? ? ? ?Subsystem: Hewlett-Packard Company Device 307e
> ? ? ? ?Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
> Stepping- SERR- FastB2B- DisINTx-
> ? ? ? ?Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- 
> <TAbort- <MAbort- >SERR- <PERR- INTx-
> ? ? ? ?Latency: 0, Cache Line Size: 64 bytes
> ? ? ? ?Interrupt: pin A routed to IRQ 18
> ? ? ? ?Region 0: Memory at c0000000 (32-bit, prefetchable) [size=256M]
> ? ? ? ?Region 1: I/O ports at 6000 [size=256]
> ? ? ? ?Region 2: Memory at d6400000 (32-bit, non-prefetchable) [size=64K]
> ? ? ? ?Region 5: Memory at d6300000 (32-bit, non-prefetchable) [size=1M]
> ? ? ? ?Capabilities: [50] Power Management version 3
> ? ? ? ? ? ? ? ?Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
> PME(D0-,D1-,D2-,D3hot-,D3cold-)
> ? ? ? ? ? ? ? ?Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> ? ? ? ?Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ 
> Queue=0/0 Enable-
> ? ? ? ? ? ? ? ?Address: 0000000000000000 ?Data: 0000
> ? ? ? ?Kernel driver in use: radeon
> ? ? ? ?Kernel modules: radeon
>
> The problem does not happen with 2.6.38. I try to bisect this further down to 
> a
> commit. Alex, please let me know if you need any further information.

If you can bisect it, that would be great.  Thanks,

Alex

>
> ? ? ? ?Joerg
>
>

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