Re: unable to assign devices with VT-d in KVM

[Sheng Yang <sheng@linux.intel.com>]

On Monday 28 December 2009 00:42:37 Erez Shitrit wrote:
> [I hope I didn't duplicate my response]
> I tried it, still have kernel-panic,
> Currently the message is:
> "
> ....
> MP-BIOS bug: 8254 timer not connected to IO-APIC
> Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the
> 'noapic' kernel parameter
> "

It's seems due to timer interrupt injection delayed.

Though I hit this sometime, it's not always happen. 

What's your guest kernel version?

This panic is quite annoying, I think we should try to fix this...

-- 
regards
Yang, Sheng

> 
> Thanks, Erez
> 
> -----Original Message-----
> From: Avi Kivity [mailto:avi@redhat.com]
> Sent: Sunday, December 27, 2009 4:36 PM
> To: Erez Shitrit
> Cc: kvm@vger.kernel.org
> Subject: Re: unable to assign devices with VT-d in KVM
> 
> On 12/27/2009 03:51 PM, Avi Kivity wrote:
> > Can you try adding -cpu qemu64,vendorid=GenuineIntel?
> 
> Sorry, the correct option is -cpu qemu64,vendor=GenuineIntel.
> 
> --
> error compiling committee.c: too many arguments to function
> 
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