From: Sam Ravnborg <sam@ravnborg.org>
To: sparclinux@vger.kernel.org
Subject: Re: SILO on Qemu Sparc v8 unable to boot stripped kernel
Date: Wed, 09 Jul 2014 20:43:54 +0000 [thread overview]
Message-ID: <20140709204353.GA32303@ravnborg.org> (raw)
In-Reply-To: <CACwypyMhN9fj34VmgiXEFNmH28up5if3wW_xajYOLy0kR2An5Q@mail.gmail.com>
On Tue, Jul 08, 2014 at 10:51:44PM -0400, chase rayfield wrote:
> I emailed davem, last week and he told me the appropriate course of action
> would be to message the list so here goes.
>
> This is the error SILO in Qemu is printing out:
> "ext2 superblock magic is wrong" ... then
> "Cannot find a loadable segment in your ELF image."
>
> I stripped the kernel with "strip -R .comment -R .note" also tried a myriad of
> other options to the same effect. My build of Qemu can boot an older Gentoo
> livecd that I have that is also 2.6.32 but I don't have a dot config
> and it was built with
> a different toolchain. Here are links to most of the relevant stuff if
> you want my
> catalyst spec files or for me to tar up my silo build etc... just ask.
> I have real hardware I can test on but I'd rather not make coasters
> especially since I know Qemu *can*
> boot a sparc livecd no problem the same kernel version even.
>
> Is is possible I have the kenrel arguments wrong or something of that nature?
>
> The gentoo stage3 it is built from is here...
> http://gh0stwriter.net/archive/20140708/stage3-sparc-20140628.tar.bz2
> And portage snapshot:
> http://gh0stwriter.net/archive/20140708/portage-20140628.tar.bz2
> Known good iso:
> http://www.gh0stwriter.net/archive/linux-sparc32-install-20111216.iso
>
> You can grab a copy of the WIP iso here:
> http://gh0stwriter.net/archive/20140708/install-sparc-minimal-20140620.iso
> (includes the stripped kernel that fails to boot)
>
> Unstripped kernel from the above iso
> http://www.gh0stwriter.net/archive/20140708/gentoo.gz
>
> My .config
> http://gh0stwriter.net/archive/20140708/config-2.6.32-r41-20140708.config
>
> Screenshot of silo failure:
> http://gh0stwriter.net/archive/20140708/qemu-silo-fail.png
I am confused to see that the screenshot mentions sparc64, but
you refer to sparc v8 which is only sparc32.
The silo version also looks quite dated.
I know some extfs related fixes went in some years ago,
but have not looked up when.
Could you compare the two versions of silo used to see if this give any clue.
Sam
next prev parent reply other threads:[~2014-07-09 20:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-09 2:51 SILO on Qemu Sparc v8 unable to boot stripped kernel chase rayfield
2014-07-09 20:43 ` Sam Ravnborg [this message]
2014-07-10 1:50 ` chase rayfield
2014-07-12 4:08 ` chase rayfield
2014-07-14 1:08 ` chase rayfield
2014-07-14 6:11 ` Sam Ravnborg
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