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

[Greg KH <greg@kroah.com>]

On Wed, Jun 02, 2010 at 07:54:29PM -0400, "S.Çağlar Onur" wrote:
> Hi Suresh,
> 
> On May 25, 2010, at 8:24 PM, Suresh Siddha wrote:
> 
> > On Tue, 2010-05-25 at 13:51 -0700, Greg KH wrote:
> >> On Tue, May 25, 2010 at 04:32:16PM -0400, "S.Çağlar Onur" wrote:
> >>> Hi Greg,
> >>> 
> >>> On May 25, 2010, at 11:53 AM, Greg KH wrote:
> >>> 
> >>>> On Tue, May 25, 2010 at 11:10:28AM -0400, "S.Çağlar Onur" wrote:
> >>>>> Hi,
> >>>>> 
> >>>>> We are observing boot failures [1] & [2] on some of our servers (Dell
> >>>>> r410) with 2.6.27-stable kernels. I found following commit in upstream
> >>>>> tree via a quick search (but I haven't tried it yet) so I don't know
> >>>>> whether I'm on the right track or not. 
> >>>>> 
> >>>>> Please let me know if anything else is needed...
> >>>> 
> >>>> Has any .27 kernel worked on these machines?  If so, can you narrow it
> >>>> down to the patch that caused the problem?
> >>> 
> >>> I don't think any .27 kernel worked on those machines before. But in
> >>> any case I'll try (I don't have a physical access to those machines as
> >>> they are located in China) an older .27 release to see.
> >> 
> >> Ok, so it isn't a regression, which is what I want to know.
> >> 
> >> New hardware like this, probably will only work on newer kernel
> >> versions, so please use those instead :)
> > 
> > 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.
> 
> Neither 2.6.27 nor 2.6.27.45 not able to boot those servers, according
> to the on-site admins the boot stuck at following stage[1].

Good, it's not a regression :)

Care to upgrade to a newer kernel version and see if that works?

thanks,

greg k-h