[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-ia64-devel] Please try PV-on-HVM on IPF
Le Mardi 17 Octobre 2006 14:30, Doi.Tsunehisa@xxxxxxxxxxxxxx a Ãcrit : > Hi all, > > I (Doi.Tsunehisa) said: [...] > Today, I was testing my preliminary patch on RHEL4 U2. > > But, xen-platform-pci.ko could not be attached with RHEL4 U2 original > kernel. Thus I was investigating it. So, I found a strange movement about > PCI configuration. > > I tested on two envrionments, linux-2.6.16.29 and RHEL4 U2 original. > Outputs of lspci command are same on both environment. > > The output is follow: > > [Both environment of VT-i domain] > # lspci -v > 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev > 02) Flags: fast devsel > > 00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] > Flags: medium devsel > > 00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton > II] (prog-if 80 [Master]) Flags: bus master, fast devsel, latency 0 > I/O ports at 1100 [size=16] > > 00:02.0 VGA compatible controller: Cirrus Logic GD 5446 (prog-if 00 [VGA]) > Flags: bus master, fast devsel, latency 0 > Memory at 00000000c0000000 (32-bit, prefetchable) [size=32M] > Memory at 00000000c3000000 (32-bit, non-prefetchable) [size=4K] > > 00:03.0 Class ff80: Unknown device 5853:0001 (rev 01) > Flags: fast devsel > I/O ports at 1000 [disabled] [size=256] > Memory at 00000000c2000000 (32-bit, prefetchable) [disabled] > [size=16M] > > There is `Unknown device' in thie message. It's pyseudo-device for > PV-on-HVM called `xen-platform-pci'. > > Next, I showed IO-memory maps with /proc/iomem. But, IO-memory maps > are different on both environment. > > [linux-2.6.16.29 on VT-i domain] > # cat /proc/iomem > 00000000-0009ffff : System RAM > 000a0000-000bffff : reserved > 000c0000-000fffff : reserved > 00100000-03ffffff : System RAM > 04000000-04bf3fff : System RAM > 04000000-046d34bf : Kernel code > 046d34c0-04bf373f : Kernel data > 04bf4000-3c458fff : System RAM > **** deleted ***** > 3ff70000-3fffdfff : System RAM > 3fffe000-3fffffff : reserved > c0000000-c1ffffff : 0000:00:02.0 > c2000000-c2ffffff : 0000:00:03.0 > c3000000-c3000fff : 0000:00:02.0 > e0000000-e033dcf7 : PCI Bus 0000:00 I/O Ports 00000000-00000cf7 > e0340d00-e3ffffff : PCI Bus 0000:00 I/O Ports 00000d00-0000ffff > > [RHEL4 U2 on VT-i domain] > # cat /proc/iomem > c0000000-c1ffffff : PCI Bus 0000:00 > c0000000-c1ffffff : 0000:00:02.0 > c2000000-c2ffffff : 0000:00:03.0 > c2000000-c2000fff : PCI Bus 0000:00 > c3000000-c3000fff : 0000:00:02.0 > > On RHEL4 U2 environment, I could show only this message. It's > strange, and it's the reason that xen-platform-pci.ko module can't > be attached, I think. > > I don't understand what is happend. Does anyone know the reason ? I do not really understand what is strange for you. The output is not the same but: * it may be due to kernel version * the xen pseudo device appears in both version. What is the error message when you try to insmod xen-platform-pci ? Have you ever succeed to insmod it in RHEL 4 ? Tristan. _______________________________________________ Xen-ia64-devel mailing list Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-ia64-devel
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