Re: [stable] Boot failure with 2.6.27.46 on Xeon E5620 (Westmere EP)

[Greg KH <greg@kroah.com>]

On Thu, Nov 18, 2010 at 04:24:40PM -0500, "S.Çağlar Onur" wrote:
> Hi Youquan & Greg,
> 
> 
> On May 26, 2010, at 9:23 AM, Youquan Song wrote:
> 
> >>> I can't think of any known issues in 2.6.27 that can lead to this kind
> >>> of boot failure on WSM-EP. Caglar, It will be nice if you can do git
> >>> bisect between working and non-working kernels.
> >> 
> >> Sure, I'll try to boot those with plain 2.6.27 to see but please note that it's going to be little time consuming. For each one I have to create a custom boot image for them to download and test (a.k.a. don't expect to hear from me soon :))
> > 
> > Hi Caglar,
> > 
> > What's the microcode version? Get by "dmesg | grep microcode" if you
> > success boot other version of kernel.
> > Can you try to disable C-state(C6) in BIOS before your boot 2.6.27?
> 
> First of all I'm really sorry that it took really long time to reply this mail as I was waiting Dell to send a loaner machine to us. This morning I've got the hardware and following patch solved the boot problem that I was observing, Greg could you consider adding that to 2.6.27-stable tree?
> 
> commit a0bf284bfedd6dc95bbee7ebf5ccf3b5f753a008

No problem, now queued up.

thanks,

greg k-h