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On 10/04/12 20:00, Steven Newbury wrote:
> On 10/04/12 19:40, Yinghai Lu wrote:
>> On Tue, Apr 10, 2012 at 10:02 AM, Steven Newbury
>> <steve@xxxxxxxxxxxxxxx> wrote:
>>>
>>>>
>>>> Can you please try attached patches with pci=nocrs?
>>>>
>>>> for pci=use_crs, we need find safe place beyond _CRS,
>>>> because your _CRS limit under 4g.
>>>>
>> ..
>>> So far it has changed behaviour:
>>>
>>> Many devices now assigned above 4g.
>>>
>>> When booted while docked i915 fails to initialise, along with
>>> radeon as before.
>>>
>>> When undocked i915 initialises, but radeon still fails when
>>> hot-docked.
>>>
>>> I've attached output of 'lspci -vvv', 'cat /proc/iomem', and
>>> "dmesg.log" for the docked case.
>>>
>>> Also, "dmesg-hotplug.out" for hot docking after boot.
>
>> looks good, please only apply
>
>> allocate_high_at_first.patch
>
>> Yinghai
>
> Seems to be exactly the same. When started docked (so I think
> both 'cards' try to claim the same preferred addresses) the
> integrated i965 GFX gets reassigned high: 120000000-12fffffff :
> 0000:00:02.0
>
> But it's quite possible the i915 module doesn't currently handle
> this case and so fails to initialise.
>
> I'm not sure why the Radeon doesn't get assigned a high address
> when hot-plugged..?
>
> These are the only entries in /proc/iomem above 4GB:
>
>
> Booted UNDOCKED, then hot-docked
>
> 100000000-11fffffff : System RAM 120000000-1201fffff : PCI Bus
> 0000:0b 120200000-1203fffff : PCI Bus 0000:0c 120400000-1205fffff :
> PCI Bus 0000:09
>
>
> Booted DOCKED
>
> 100000000-11fffffff : System RAM 120000000-12fffffff :
> 0000:00:02.0 130000000-1301fffff : PCI Bus 0000:0b
> 130200000-1303fffff : PCI Bus 0000:0c 130400000-1305fffff : PCI Bus
> 0000:0d 130600000-1307fffff : PCI Bus 0000:09
Output of lspci -vt:
- -[0000:00]-+-00.0 Intel Corporation Mobile PM965/GM965/GL960 Memory
Controller Hub
+-02.0 Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller (primary)
+-02.1 Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller (secondary)
+-1a.0 Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #4
+-1a.1 Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #5
+-1a.7 Intel Corporation 82801H (ICH8 Family) USB2 EHCI
Controller #2
+-1b.0 Intel Corporation 82801H (ICH8 Family) HD Audio
Controller
+-1c.0-[0b]--
+-1c.1-[0c]----00.0 Intel Corporation PRO/Wireless 4965 AG
or AGN [Kedron] Network Connection
+-1c.3-[0d-0e]--
+-1c.5-[09]----00.0 Broadcom Corporation NetXtreme
BCM5755M Gigabit Ethernet PCI Express
+-1d.0 Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #1
+-1d.1 Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #2
+-1d.2 Intel Corporation 82801H (ICH8 Family) USB UHCI
Controller #3
+-1d.7 Intel Corporation 82801H (ICH8 Family) USB2 EHCI
Controller #1
+-1e.0-[03-08]--+-01.0 O2 Micro, Inc. Cardbus bridge
| +-01.4 O2 Micro, Inc. Firewire (IEEE 1394)
| \-08.0-[08]--+-00.0 Advanced Micro Devices
[AMD] nee ATI Manhattan [Mobility Radeon HD 5430 Series]
| \-00.1 Advanced Micro Devices
[AMD] nee ATI Cedar HDMI Audio [Radeon HD 5400/6300 Series]
+-1f.0 Intel Corporation 82801HM (ICH8M) LPC Interface
Controller
+-1f.1 Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) IDE
Controller
+-1f.2 Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) SATA
Controller [AHCI mode]
\-1f.3 Intel Corporation 82801H (ICH8 Family) SMBus Controller
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