[Xen-users] RE: Xen pci device #0

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> 
> Hello James,
>     After successfully building the PV drivers, I installed them on a
> XP32 HVM. Everything seems to work well except for the following which
> I'm not sure is normal behaviour:
>         1. There is still a leftover "Xen pci device #0" without any
> drivers. Instance ID is "XEN\PCI\4&32FE5319&0&00"

Are you passing through any pci devices? The main driver (xenpci -
although it is nothing to do with pci passthrough) creates a device node
for everything under the devices key in xenstore and so it creates a
node for a pci passthrough device even though there is no driver for it.

>         2. Although I see in device manager that the boot disk is now
> "XEN PV DISK SCSI Disk Device", is it normal to not see any xen block
> activity in "xl top"?

I don't think that is normal. I see activity on my systems when using
xentop.

>         3. On every boot, the system is very unresponsive (mouse
> cursor updates every 3 seconds, the login screen fade-in takes 6
> seconds to finish) for the first 5 minutes or so.
> 

Definitely sounds like something is wrong there... are you running the
debug build of the drivers? If so, things are logged to
/var/log/xen/qemu-dm-<domu name>.log. If too much is logged then qemu
tends to throttle the domu which could do things like you describe.

Have a look in the /var/log/xen/qemu-dm-<domu name>.log file and see if
it is getting a lot of information logged to it.

James

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