Re: [Xen-devel] passthrough failure on Radeon HD 6450.

[Gordan Bobic <gordan@xxxxxxxxxx>]

Is the card primary or secondary in dom0, and are you
passing it as primary or secondary on domU?

Did you first install the domU without the card passed
passed through, and then pass through the card?

Did you install just the driver or the full CCC?

On Mon, 21 Oct 2013 22:23:15 +0800, ??? <chm.bj@xxxxxxxxxxx> wrote:
> Hi,
>
> I am passing through ATI adapter on DQ45CB, but failed. Can someone
> help provide some clue? I can make sure VT-D enabled?
>
> Main board       : DQ45CB.
> Display adapter : [Radeon HD 6450] issue,
> dom0 linux         : linux 3.1.2
> xen                     : xen 4.3.0. with patches in
>
> http://www.davidgis.fr/blog/index.php?2013/07/13/954-xen-430-stable-vga-passthrourh-for-ati
> dom U                : cn_windows_7_ultimate_x64_dvd_x15-66043.iso
>
>
> After display external adapter (pci=01:00.0 01:00.1  is configured in
> xlexample.hvm,
> 1. After startup, win7 is blue screen, which shows it is in infinite 
> loop.
> 2. /var/log/xen/qemu-dm-example.hvm.log shows 4 bytes is accessed on
> address 0x0E, but 0x0E address is not 4-byte alignment.
>    the is attached belows.
>
> Is it possible that VGA BIOS from Radeon HD 6450 should be extracted
> and put somewhere ?
>
> xc: error: linux_gnttab_set_max_grants: ioctl SET_MAX_GRANTS failed
> (22 = Invalid argument): Internal error
> xen be: qdisk-5632: xc_gnttab_set_max_grants failed: Invalid argument
> [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:05.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:06.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:06.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:06.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:06.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:06.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:06.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> [00:06.0] xen_pt_pci_config_access_check: Error: Failed to access
> register with invalid access size alignment. (addr: 0x0e, len: 4)
> Issued domain 1 reboot
> qemu: terminating on signal 1 from pid 2832
> ~
>
> thanks
> huiming
>
>
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