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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Possible bug with pass-through hot-plug?
Yes, i get the same result when i force the devfn. It only works, if u assign it a "low" slot number (such as: 00:01.0). I'm using 32-bit Windows. Please update me with your findings. Thanks!! Tom On Tue, Oct 13, 2009 at 12:36 AM, Simon Horman <horms@xxxxxxxxxxxx> wrote: > On Sun, Oct 11, 2009 at 11:57:00AM +0200, Tom Rotenberg wrote: >> Simon, >> >> Well, just tried it, according to what u requested, and it still doesn't >> work. >> >> Here are the lines from the qemu log: >> ... >> platform_fixed_ioport: changed ro/rw state of ROM memory area. now is rw >> state. >> platform_fixed_ioport: changed ro/rw state of ROM memory area. now is ro >> state. >> dm-command: hot insert pass-through pci dev >> insert_to_pci_devfn: bdf_slt="0000:00:1b.0@e8" >> insert_to_pci_devfn: devfn=0xe8 -> slot=0x1d, func=0x0 >> register_real_device: Assigning real physical device 00:1b.0 ... >> pt_iomul_init: Error: pt_iomul_init can't open file >> /dev/xen/pci_iomul: No such file or directory: 0x0:0x1b.0x0 >> pt_register_regions: IO region registered (size=0x00004000 >> base_addr=0xfc220004) >> register_real_device: Real physical device 00:1b.0 registered successfuly! >> IRQ type = INTx >> generate a sci for PHP. >> deassert due to disable GPE bit. >> pt_pci_write_config: Warning: Guest attempt to set address to unused >> Base Address Register. [00:1d.0][Offset:30h][Length:4] >> dm-command: hot remove pass-through pci dev >> ... >> >> I performed the following sequence: >> ... >> xm create >> <waited untill Windows booted> >> xm pci-attach hvm 00:1b.0@1d >> <I saw that it worked> >> xm pci-detach hvm 00:1b.0 >> ... > > Hi Tom, > > thanks for the test results. I guess they were what you expected. > They do seem to point to something in the hot-unplug code that > Windows doesn't like. I'm a little confused by this thread, > do you get the same result with your force devfn change? > > I'll try and get a test environment with Windows set up for myself. Sorry > if you have answered this before, but which version of Windows are you > using and is it 32 or 64bit? > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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