linux-kernel - Re: kernel boot hangs after x86: insert_resorce for lapic addr after e820_reserve

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Message-ID: <20080518164127.2236d82a@googlemail.com>
Date:	Sun, 18 May 2008 16:41:27 +0100
From:	Ciaran McCreesh <ciaran.mccreesh@...glemail.com>
To:	"Yinghai Lu" <yhlu.kernel@...il.com>
Cc:	mingo@...e.hu, linux-kernel@...r.kernel.org
Subject: Re: kernel boot hangs after x86: insert_resorce for lapic addr
 after e820_reserve_resources

On Sat, 17 May 2008 20:55:20 -0700
"Yinghai Lu" <yhlu.kernel@...il.com> wrote:
> On Sat, May 17, 2008 at 5:41 PM, Ciaran McCreesh
> <ciaran.mccreesh@...glemail.com> wrote:
> > The commit 3def3d6ddf43dbe20c00c3cbc38dfacc8586998f (x86:
> > insert_resorce for lapic addr after e820_reserve_resources) causes
> > my x86_64 box to to lock up early on in the boot process. Reverting
> > only this commit with current git head gives a successful boot.
>
> can you try to boot with apic=verbose? please don't revert that
> patch...
> 
> wonder if init_apic_mapping need some delay with that strange chipset.

I don't see any additional information with apic=verbose with the
broken kernel (although I only have a screen's worth of text that I can
see -- the kernel doesn't get far enough to let me grab it). I've
attached dmesg from a working kernel with apic=verbose in case that
helps.

Thanks,
-- 
Ciaran McCreesh

Download attachment "dmesg-apic-verbose.txt.gz" of type "application/octet-stream" (10315 bytes)

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