Re: FW: KVM Test result, kernel 4a7f582.., userspace bc6db37..

["Yang, Sheng" <sheng.yang@intel.com>]

On Monday 03 March 2008 15:42:09 Yang, Sheng wrote:
> On Friday 29 February 2008 20:53:41 Zhao, Yunfeng wrote:
> > Zhao, Yunfeng wrote:
> > > Hi, all,
> > > This is today's KVM test result against kvm.git
> > > 4a7f582a07e14763ee4714b681e98b3b134d1d46 and kvm-userspace.git
> > > bc6db37817ce749dcc88fbc761a36bb8df5cf60a.
> > > LTP and kernel build test on pae linux guest are failed,
> > > because these case boot guests with smp 2.6.9 kernel, it's
> > > related with today's new issue.
> > > With manual test save restore have no problem for the first time.
> > >
> > > Save/restore test cases passed in manually testing. Because
> > > the command has been changed, it failed in auto testing. We
> > > will change the test cases.
> > >
> > > One new issue:
> > > 1. Can not boot guests with 2.6.9 smp pae kernel
> > > https://sourceforge.net/tracker/index.php?func=detail&aid=19037
> > > 32&group_id=180599&atid=893831
> >
> > We doubt this issue is caused by this commit:
> >  "kvm: bios: mark extra cpus as present"
> > kvm-userspace: 538c90271b9431f8c7f2ebfdffdab07749b97d86
>
> It seems like a bug of rhel4 kernel (2.6.9) on supporting vcpus >= 16. I
> reduced VCPU number to 15, and it's all right. I found the correlated
> description on Oracle's website(...)
>
> http://oss.oracle.com/pipermail/el-errata/2007-May/000154.html
> [2.6.9-52]
> -fix boot panic on >=16 cpu on Intel microcore platforms (Brian Maly)
> [221479]
>
> (I tried Oracle's bugzilla for details, but failed...)
>
> I suggest reducing the VCPU number to 15, and I remember we've done similar
> thing before on ACPI table, for booting Windows 2k.

Seems Glauber Costa got better fix on sourceforge. 

http://sourceforge.net/tracker/index.php?func=detail&aid=1903732&group_id=180599&atid=893831

The patch works well on my side. :)

-- 
Thanks
Yang, Sheng

-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/