Bug#666547: installation-reports: network installer freezes at Installer boot menu

[Bart Martens <bartm@debian.org>]

Package: installation-reports
Severity: important

I followed the instructions documented here :
http://wiki.debian.org/DebianAcerOne

I downloaded and used these files :
http://ftp.be.debian.org/debian/dists/stable/main/installer-amd64/current/images/hd-media/boot.img.gz
http://ftp.be.debian.org/debian-cd/current/amd64/iso-cd/debian-6.0.4-amd64-netinst.iso

Verified MD5 checksums :
62db0ccef71117ef5da70c068199547e  boot.img.gz
4ea4c72e4c9eb6af8f2fa59c3d2b5248  debian-6.0.4-amd64-netinst.iso

I can successfully boot from the USB memory stick.  I hear a loud beep, and the
"Installer boot menu" appears.  But nothing happens when I use the TAB or ENTER
keys.  The network installer seems frozen, or maybe the keyboard is not
supported, no idea.  The "Installer boot menu" simply remains visible, until I
press the power button during multiple seconds to turn off the computer.

-- Package-specific info:

Boot method: USB memory stick
Image version: http://cdimage.debian.org/debian-cd/6.0.4/amd64/iso-cd/debian-6.0.4-amd64-netinst.iso 29-Jan-2012 01:40
Date: 2012-03-31 = date of the install attempt

Machine: Acer Aspire One 522 AO522-C6Dkk (LU.SES0D.322)
Partitions:

Base System Installation Checklist:
[O] = OK, [E] = Error (please elaborate below), [ ] = didn't try it

Initial boot:           [O]
Detect network card:    [ ]
Configure network:      [ ]
Detect CD:              [ ]
Load installer modules: [ ]
Detect hard drives:     [ ]
Partition hard drives:  [ ]
Install base system:    [ ]
Clock/timezone setup:   [ ]
User/password setup:    [ ]
Install tasks:          [ ]
Install boot loader:    [ ]
Overall install:        [E]

Comments/Problems:

I'm stuck at the "Installer boot menu", as described above.