Le Thursday 10 June 2010 01:30:31 Bjorn Helgaas, vous avez écrit :
> On Tuesday, June 08, 2010 05:36:33 pm Yinghai Lu wrote:
> > On 06/08/2010 03:48 PM, Bjorn Helgaas wrote:
> > > On Tuesday, June 08, 2010 03:43:50 pm Jesse Barnes wrote:
> > >
> > > In this case, the aperture *size* from the BIOS is actually OK, but
> > > the beginning of the aperture overlaps system memory. With Yinghai's
> > > patch, we reduce the size and move the start. Windows was able to
> > > just move the start of the aperture and preserve the original
> > > 0x20000000 size (but I think it had to move something else out of
> > > the way).
> >
> > are you sure? that looks more aggressive.
>
> I don't have the machine and can't be 100% sure, but based on what
> Yannic reported here:
> https://bugzilla.kernel.org/show_bug.cgi?id=16009#c11, it looks like
> Windows moved that aperture.
>
> I haven't used it myself, but possibly a program like SIV
> (http://rh-software.com/) would give more detailed information
> about what Windows is doing.
Hi Bjorn,
I don't know if it's useful, but here some output of SIV concerning PCI and
the Radeon card.
Yannick
[1 - 00 - 0] <- [PCI Bus] <- SIV64X - System Information Viewer V4.08 ASUS::Yannick
ATI Mobility Radeon HD 3400 Series - Vendor ID 1002-95C4-19D31043-00 size 0x1000 PCIe BAR 0x0000E0000000
Device Class 0x030000 VGA Controller
Command 0x0507 I/O Access Memory Access Bus Master System Errors
Status 0x0010 Fast Timing Has Capabilities List
Cache Line Size 8 2 ULONGs Latency Timer 0 PCI clocks
Header Type 0x00 Prof IF 0x00 Built-in Self Test 0x00
Interrupt Line 0 Interrupt Pin 0x01
BAR 0 (3.000GB) 0xC0000000 Alignment 0x40000000 1.000GB ( Anywhere in 32-bit space, Prefetchable )
BAR 1 (I/O Port) 0x9000
BAR 2 (3.967GB) 0xFDDF0000 Alignment 0x00010000 64.000KB ( Anywhere in 32-bit space )
Capabilities 0x50
Power Management Current D0 D0 - Device fully-operational, no power saving
Supports D1 - Device operational, minimum power saving
D2 - Device on standby, medium power saving
PCI Express V2 Port 0 Device Type 1 Legacy PCI Express Endpoint Interrupt Message Number 0
DCAP 0x5C 0x012C8FA0 Max Payload 128 (Supported) Power 75 W
DCTL 0x60 0x0910 Max Payload 128 Max Read Request 128 (Current)
LCTL 0x68 0x0000 Power Management Disabled
LCAP 0x64 0x00000D01 Link Speed 2.5GT/s Width x16 (Maximum)
LSTS 0x6A 0x1101 Link Speed 2.5GT/s Width x16 (Negotiated)
SCAP 0x6C 0x00000000
Message Interrupt MSI Enabled Message Address 0x00000000FEE0300C
--------------------------------------------
[Dump] <- [1 - 00 - 0] <- [PCI Bus] <- SIV64X - System Information Viewer V4.08 ASUS::Yannick
ATI Mobility Radeon HD 3400 Series - Vendor ID 1002-95C4-19D31043-00 size 0x1000 PCIe BAR 0x0000E0000000
00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C
0000 95C41002 00100507 03000000 00000008 C0000008 00009001 FDDF0000 00000000 00000000 00000000 00000000 19D31043 00000000 00000050 00000000 00000100
0040 00000000 00000000 00000000 19D31043 06035801 00000000 0012A010 012C8FA0 00000910 00000D01 11010000 00000000 00000000 00000000 00000000 00000000
0080 00000000 00000000 00010001 00000000 00000000 00000000 00000000 00000000 00810005 FEE0300C 00000000 00004993 00000000 00000000 00000000 00000000
00C0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0100 0001000B 01010001 00000000 00000000 00010002 00000000 00000000 00000000 00000001 800000FF 00000000 00000001 00000000 00020000 00000000 00000000
0140 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
... repeated every 256 bytes
0F00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
...
0FC0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
--------------------------------------------
[PCI BAR Addresses] <- SIV64X - System Information Viewer V4.08 ASUS::Yannick
SIV64X - Physical Memory and PCI BARs on \\ASUS - Windows 7 x64 Ultimate V6.01 Build 7100
Physical Area Base Address about Limit Address about Size about Flags
1 0x000000001000 4.00KB 0x00000009B000 620.00KB 0x00000009A000 616.00KB 0x00000103
2 0x000000100000 1.00MB 0x0000BFFA0000 3.00GB 0x0000BFEA0000 3.00GB 0x00000103
3 0x000100000000 4.00GB 0x000140000000 5.00GB 0x000040000000 1.00GB 0x00000103
0x0000FFF3A000 4.00GB
BAR Area Base Address about Usage PCI Location Size about
0x0000C0000000 3.000GB TOLUD [0 - 00 - 0]
1 0x0000C0000000 3.000GB BAR 0 [1 - 00 - 0] 0x20000000 512.000MB
2 0x0000E0000000 3.500GB PCIEXBAR [0 - 00 - 0] 0x1DDF0000 477.938MB
3 0x0000FDDF0000 3.967GB BAR 2 [1 - 00 - 0] 0x000D0000 832.000KB
4 0x0000FDEC0000 3.968GB BAR 0 [2 - 00 - 0] 0x0013E000 1.242MB
5 0x0000FDFFE000 3.969GB BAR 0 [3 - 00 - 0] 0x00100000 1.000MB
6 0x0000FE0FE000 3.970GB BAR 5 [4 - 00 - 0] 0x008E2000 8.883MB
7 0x0000FE9E0000 3.978GB ROM [8 - 00 - 0] 0x0001FC00 127.000KB
8 0x0000FE9FFC00 3.979GB BAR 0 [8 - 00 - 0] 0x000FF000 1020.000KB
9 0x0000FEAFEC00 3.979GB BAR 0 [9 - 01 - 3] 0x00000400 1.000KB
10 0x0000FEAFF000 3.979GB BAR 0 [9 - 01 - 2] 0x00000400 1.000KB
11 0x0000FEAFF400 3.979GB BAR 0 [9 - 01 - 1] 0x00000400 1.000KB
12 0x0000FEAFF800 3.979GB BAR 0 [9 - 01 - 0] 0x000F8800 994.000KB
13 0x0000FEBF8000 3.980GB BAR 0 [0 - 27 - 0] 0x00007000 28.000KB
14 0x0000FEBFF000 3.980GB BAR 0 [0 - 29 - 7] 0x00000400 1.000KB
15 0x0000FEBFF400 3.980GB BAR 0 [0 - 26 - 7] 0x00000400 1.000KB
16 0x0000FEBFF800 3.980GB BAR 5 [0 - 31 - 2] 0x00114800 1.080MB
17 0x0000FED14000 3.982GB MCHBAR [0 - 00 - 0] 0x00004000 16.000KB
18 0x0000FED18000 3.982GB DMIBAR [0 - 00 - 0] 0x00001000 4.000KB
19 0x0000FED19000 3.982GB EPBAR [0 - 00 - 0] 0x012E7000 18.902MB
Total 0x40000000 1.000GB
