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Bug#611648: brltty-udeb: detected USB braille device just shows "screen not in text mode"

Package: brltty-udeb
Version: 4.2-7
Severity: normal

In some cases, when letting the Debian Installer detect the plugged USB
braille device, the latter ends up showing only "screen not in text

This happens because udev may need some time to actually discover that
a USB braille device is connected, during which the rest of Debian
Installer has the time to start bterm (or even Xorg), which is not
accessible and produces this warning.

A workaround is to pass "brltty" at the kernel command line, which will
force USB device detection and disabling bterm or Xorg.

A proper solution is not so easy, because udev does not really have
a notion of "I have finished discovering devices", "udev settle" is
not enough. This thus boils down to the "I first boot, then plug a USB
braille device" scenario, which is supposed to switch d-i to textmode so
that brltty can read it.


-- System Information:
Debian Release: 6.0
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.37 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Samuel Thibault <samuel.thibault@fnac.net>
<c> hiri, le cri ici, c des marrants
<c> j'ai un rep ".uglyhackdirectorywithoutacls" ds mon home
 -+- #ens-mim en stage -+-

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