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Bug#522234: debian-installer: Fails to boot on amd64 >4GB RAM

Package: debian-installer
Version: 20090123
Severity: normal


  I am booting an amd64 host with PXE method, once i get to the first
screen i press 'Install'......

Decompressing Linux... Parsing ELF... done.
Booting the kernel.

Aperture beyond 4G. Ignoring
Your BIOS doesn't leave a aperture memory hole
Please enable the IOMMU option in the BIOS setup
This costs you 64MB of RAM
PCI: Cannot allocate resource region 1 of device 0000:00:14.0


I had etch installed succesfully and BIOS was ok. When updating
linux-image from 2.6.18 to 2.6.26, .26 never booted on my system. I
guess the failure was related to this issue. I have tried newer kernel
versions, .28 and .29, compiled at home and linux-image from unstable
and it works fine.

Tracking this issue I got to the idea that having >4GB (my system has
8GB) does not leave space to allocate AGP devices.

If you need more info, testing or whatever, feel free to ask me for it.

Kind regards

 Héctor Orón

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