linux-kernel - Re: [PATCH -mm/x86] revert i386: handle an initrd in highmem (Was Re: 2.6.24-rc6-mm1)

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Message-ID: <20080107163243.GB20097@linux.vnet.ibm.com>
Date:	Mon, 7 Jan 2008 22:02:43 +0530
From:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, hpa@...or.com
Subject: Re: [PATCH -mm/x86] revert i386: handle an initrd in highmem (Was
	Re: 2.6.24-rc6-mm1)

On Mon, Jan 07, 2008 at 08:22:37AM -0800, Randy Dunlap wrote:
> On Mon, 7 Jan 2008 15:56:09 +0100 Ingo Molnar wrote:
> 
> > 
> > * Thomas Gleixner <tglx@...utronix.de> wrote:
> > 
> > > On Mon, 7 Jan 2008, Dhaval Giani wrote:
> > > 
> > > > Hi Andrew, Ingo, Thomas, Peter,
> > > > 
> > > > x86: revert i386: handle an initrd in highmem
> > > > 
> > > > The patch caused a failure while booting a kexec kernel.
> > > > (http://lkml.org/lkml/2008/1/7/42 has the bisect details.)
> > > > 
> > > > The following patch reverts it.
> > > > 
> > > > Signed-off-by: Dhaval Giani <dhaval@...ux.vnet.ibm.com>
> > > 
> > > Thanks for tracking this down. I'll pull the patch from the x86 git 
> > > tree as well.
> > 
> > Dhaval, how about the other problem you had - do you have any guess 
> > what it might be related to?
> > 
> > i'm also wondering - what would be the easiest way to integrate kexec 
> > into an automated test environment. If i have a bzImage kernel, is kexec 
> > still supposed to work? Could i for example do a reboot into a new 
> > (kexec-enabled) kernel via kexec in essence?
> 
> My daily/nightly kernel test runs use kexec to boot the test kernel.
> Well, did thru 2.6.24-rc6-git9, but they fail after that.
> Hopefully this patch fixes things.
> 

hmmm. I don't think so. This revert is from the x86 git tree (-mm) (I think
targetted for 2.6.25). Probably a bisect might help there.

-- 
regards,
Dhaval
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