Re: [Xen-devel] System freeze with IGD passthrough

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

On Fri, Dec 21, 2012 at 02:20:17AM +0800, G.R. wrote:
> On Thu, Dec 20, 2012 at 12:04 AM, G.R. <firemeteor@xxxxxxxxxxxxxxxxxxxxx> 
> wrote:
> >>> PS2: I also suffered another instability yesterday. It happens when I
> >>> was compiling kernel in side the domU. The host reboots suddenly.
> >>> Since I'm not using graphics at that time (Xorg session is idle, I
> >>> connected through SSH), this may be a different issue.
> 
> I tried once more to rebuild kernel in the debian VM. It's a total
> mess this time.
> The whole system (including dom0) unexpectedly reboots several times
> during the compilation.
> This destroyed the kernel tree and I failed to build the kernel.
> I suspect this has something to do with disk driver, since the reboot
> tend to happen during high disk load (like linking vmlinux).

Is the AHCI controller sharing the same interrupt line as the IGD?

> Will run iozone to check tomorrow.
> 
> It seems that this issue has little to do with IGD passthrough.
> I'm not sure if it's the same issue for the host freezing during game play.
> Maybe I should track them separately.
> 
> Thanks,
> Timothy
> 
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