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Old 02-06-2012, 08:08 PM
Ian Campbell
 
Default Bug#658759: compressed image does not boot

On Mon, 2012-02-06 at 11:42 -0600, Jonathan Nieder wrote:
> Ian Campbell wrote:
>
> > I suspect this is due to the lack of this u-boot patch:
> > http://lists.denx.de/pipermail/u-boot/2012-February/117020.html
> >
> > I found that without this my 3.2 dreamplug kernel would not boot (with
> > the 2011.12-2 package from debian). It's related to
> > CONFIG_ARM_PATCH_PHYS_VIRT.
>
> For the record, this proposed u-boot change has been filed as
> <http://bugs.debian.org/658904>.
>
> The inability to work with versions of u-boot without that change
> (workaround?) in the default configuration still would seem to be a
> regression in the kernel, so pointers toward solving it would be very
> welcome.

I hacked my kernel (the Kconfig files) to allow me to turn off
PATCH_PHYS_VIRT and it also worked.

However AIUI PATCH_VIRT_PHYS is part of the infrastructure which allows
a single kernel flavour to boot on multiple machines so turning it off
is not a viable workaround.

I think this is just a latent bug in u-boot which has been exposed by a
recent kernel changes and should be treated as a bug to be fixed in
u-boot. I personally wouldn't consider it a regression in the kernel (at
least based on my understanding of what's going on).

Ian.





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Old 02-06-2012, 08:30 PM
"purdyd tds.net"
 
Default Bug#658759: compressed image does not boot

Thanks, Ian.

I understand.* Do any of you know if there are any ready-rolled u-boot binaries for Dockstar available out there that incorporate this fix?

Perhaps tbm's u-boot upgrades here :* ??
http://www.cyrius.com/debian/kirkwood/sheevaplug/uboot-upgrade.html


thnx,
Davy




On Mon, Feb 6, 2012 at 3:08 PM, Ian Campbell <ijc@hellion.org.uk> wrote:

On Mon, 2012-02-06 at 11:42 -0600, Jonathan Nieder wrote:

> Ian Campbell wrote:

>

> > I suspect this is due to the lack of this u-boot patch:

> > http://lists.denx.de/pipermail/u-boot/2012-February/117020.html

> >

> > I found that without this my 3.2 dreamplug kernel would not boot (with

> > the 2011.12-2 package from debian). It's related to

> > CONFIG_ARM_PATCH_PHYS_VIRT.

>

> For the record, this proposed u-boot change has been filed as

> <http://bugs.debian.org/658904>.

>

> The inability to work with versions of u-boot without that change

> (workaround?) in the default configuration still would seem to be a

> regression in the kernel, so pointers toward solving it would be very

> welcome.



I hacked my kernel (the Kconfig files) to allow me to turn off

PATCH_PHYS_VIRT and it also worked.



However AIUI PATCH_VIRT_PHYS is part of the infrastructure which allows

a single kernel flavour to boot on multiple machines so turning it off

is not a viable workaround.



I think this is just a latent bug in u-boot which has been exposed by a

recent kernel changes and should be treated as a bug to be fixed in

u-boot. I personally wouldn't consider it a regression in the kernel (at

least based on my understanding of what's going on).



Ian.
 
Old 02-09-2012, 05:36 AM
Ian Campbell
 
Default Bug#658759: compressed image does not boot

On Mon, 2012-02-06 at 15:30 -0600, purdyd tds.net wrote:
> Thanks, Ian.
>
> I understand. Do any of you know if there are any ready-rolled u-boot
> binaries for Dockstar available out there that incorporate this fix?

No idea I'm afraid.

Given that #658759 has been filed against u-boot in Debian I expect a
new package will be along shortly.

Ian.

>
> Perhaps tbm's u-boot upgrades here : ??
> http://www.cyrius.com/debian/kirkwood/sheevaplug/uboot-upgrade.html
>
> thnx,
> Davy
>
>
>
>
> On Mon, Feb 6, 2012 at 3:08 PM, Ian Campbell <ijc@hellion.org.uk>
> wrote:
> On Mon, 2012-02-06 at 11:42 -0600, Jonathan Nieder wrote:
> > Ian Campbell wrote:
> >
> > > I suspect this is due to the lack of this u-boot patch:
> > >
> http://lists.denx.de/pipermail/u-boot/2012-February/117020.html
> > >
> > > I found that without this my 3.2 dreamplug kernel would
> not boot (with
> > > the 2011.12-2 package from debian). It's related to
> > > CONFIG_ARM_PATCH_PHYS_VIRT.
> >
> > For the record, this proposed u-boot change has been filed
> as
> > <http://bugs.debian.org/658904>.
> >
> > The inability to work with versions of u-boot without that
> change
> > (workaround?) in the default configuration still would seem
> to be a
> > regression in the kernel, so pointers toward solving it
> would be very
> > welcome.
>
> I hacked my kernel (the Kconfig files) to allow me to turn off
> PATCH_PHYS_VIRT and it also worked.
>
> However AIUI PATCH_VIRT_PHYS is part of the infrastructure
> which allows
> a single kernel flavour to boot on multiple machines so
> turning it off
> is not a viable workaround.
>
> I think this is just a latent bug in u-boot which has been
> exposed by a
> recent kernel changes and should be treated as a bug to be
> fixed in
> u-boot. I personally wouldn't consider it a regression in the
> kernel (at
> least based on my understanding of what's going on).
>
> Ian.
>
>
>

--
Ian Campbell


It'll be a nice world if they ever get it finished.




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