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Bug#694344: Device does not work with 'linux-image-686-pae', but it is the default



On Sun, 2012-12-16 at 19:21 +0100, Andreas Glaeser wrote:
> First there were intermittent bootproblems, then more often and finally the box would not
> boot anymore at all. I tried all kinds of BIOS-settings changes, but could not resolve
> the situation, began to feel desperate already.
> Then I installed the XFCE-version of Linux-Mint-Debian-Edition and found, that this works
> and that the default there is actually 'linux-image-486', which works. linux-image-686-pae
> is not bootable, but hangs upon showing the grub-menu.

And yet previously you said it was bootable.  So it would seem that the
hardware is progressively failing.

> So the default for this machine has to be changed in Debian, too. Until this happens,
> the only workaround I can think of right now is to install in expert mode and choose the
> -486-kernel during the process.

We don't have a big map of processor models to kernel flavours, we just
look at what the actual processor features are.

This computer has a Geode NX processor that supports PAE (since it is
based on the K7 core, like the Athlon processors).  It is a completely
different design from the older Geode processors based on the MediaGX
core, for which we would install the 486 flavour.

> Having a -686-kernel without PAE again would be nicer
> here, too, else users have to build their own custom kernels especially for AMD-Geode to
> get the full performance potential out of their boxes.

There don't seem to be any Geode models that can run a 686 flavour but
not a 686-pae flavour.  Also, the 486 flavour is optimised for
uniprocessor systems.

Ben.

> Thus changing the severity of this report to 'important'. 

-- 
Ben Hutchings
Always try to do things in chronological order;
it's less confusing that way.

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