Public bug reported:

Binary package hint: udev

I'm unsure which group to associate this bug with; first off my
apologies if this needs to be rerouted. I have associated it with udev
since that was the subsystem I used to resolve the issue.

The Bandrich C100 is an expresscard or USB wireless broadband modem. It
contains an additional flash storage subsystem containing (windows)
drivers.

When the device is attached to the system, the USB tty ports are
identified but as soon as the storage subsystem in Ubuntu 7.10 or
today's alpha of Hardy Heron kicks off, a device reset disconnects the
USB tty ports. This occurs every second, making the card unusable.

My fix was to add the following text into
/etc/udev/rules.d/51-bandrich-c100.rules containing

SUBSYSTEM=="block", \
ACTION=="add", \
SYSFS{idVendor}=="1a8d", \
SYSFS{idProduct}=="1002", \
OPTIONS="ignore_device"

which blocks the filesystem scan/mount attempt.

Perhaps a better solution is needed for this kind of issue?

** Affects: udev (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Bandrich C100 HSPDA modem failure due to udev or hald actions
https://bugs.launchpad.net/bugs/199887
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