Re: [Xen-devel] Destroy laptop with pcistub

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Sun, Nov 17, 2013 at 01:08:03AM +0100, Chapuis Nicolas wrote:
> Hi everybody.
> For begin, congratulation for your excellent jobs...
> xen work fine on my main server.
> But I would to push with vga passtrough,
> with an dell laptop latitude E6520.
> modprobe pci-stub
> 
> echo "10de 1056" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:01:00.0" > /sys/bus/pci/devices/0000\:01\:00.0/driver/unbind
> echo "0000:01:00.0" > /sys/bus/pci/drivers/pci-stub/bind
> echo "10de 0e08" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:01:00.1" > /sys/bus/pci/devices/0000\:01\:00.1/driver/unbind
> echo "0000:01:00.1" > /sys/bus/pci/drivers/pci-stub/bind
> echo "8086 1c26" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:1d.0" > /sys/bus/pci/devices/0000\:00\:1d.0/driver/unbind
> echo "0000:00:1d.0" > /sys/bus/pci/drivers/pci-stub/bind
> echo "8086 1c2d" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:1a.0" > /sys/bus/pci/devices/0000\:00\:1a.0/driver/unbind
> echo "0000:00:1a.0" > /sys/bus/pci/drivers/pci-stub/bind
> echo "8086 1c20" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:1b.0" > /sys/bus/pci/devices/0000\:00\:1b.0/driver/unbind
> echo "0000:00:1b.0" > /sys/bus/pci/drivers/pci-stub/bind
> echo "14e4 4727" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:03:00.0" > /sys/bus/pci/devices/0000\:03\:00.0/driver/unbind
> echo "0000:03:00.0" > /sys/bus/pci/drivers/pci-stub/bind
> 
> here all was right, juste 01:00.0 and 01:00.1 doesn't work
> for have screen given to domU....
> for search little more, I have try (PCI express):
> echo "8086 1c10" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:1c.0" > /sys/bus/pci/devices/0000\:00\:1c.0/driver/unbind
> echo "0000:00:1c.0" > /sys/bus/pci/drivers/pci-stub/bind
> echo "8086 1c12" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:1c.1" > /sys/bus/pci/devices/0000\:00\:1c.1/driver/unbind
> echo "0000:00:1c.1" > /sys/bus/pci/drivers/pci-stub/bind
> echo "8086 1c14" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:1c.2" > /sys/bus/pci/devices/0000\:00\:1c.2/driver/unbind
> echo "0000:00:1c.2" > /sys/bus/pci/drivers/pci-stub/bind
> echo "8086 1c16" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:1c.3" > /sys/bus/pci/devices/0000\:00\:1c.3/driver/unbind
> echo "0000:00:1c.3" > /sys/bus/pci/drivers/pci-stub/bind
> 
> with Xen 4.4 and last linux kernel from :
> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git

Please use the Linus one.
> 
> that was good until 10-15minutes,
> when an moment, .... shutdown...

Did you launch any guests?

> and never can reboot.
> no bios access, sadly, I thing the laptop is dead.

What are some of the PCI devices you passed in? As, in what
does lspci show?

Did you by any chance pass in also your disk controller?


> 
> I'm so sorry, I can have more information about kernel conf,
> just not forgetten with in begin the last debian installation server.7
> 
> thanks for heard me.
> good luck and fine jobs.

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