Jeff, thanks for that update.

 I'm focusing on the via-rhine issue as you know. I'm confused by your
report that via-rhine failed after resume on Hardy even though acpi-
support was unloading the module. That doesn't seem to make sense since
there should be no difference between boot-time loading and manual
reloading.

However, there could be a problem with the driver in Hardy where a load-
unload-load cycle breaks something without needing a suspend/resume in
between. Would it be possible to test that out on Hardy so we can be
sure the issue is caused by suspend/resume and not something
independent?

Overview:

The Hardy workaround was usually to add the module-name to the acpi-
support configuration:

/etc/default/acpi-support

MODULES=""
MODULES_WHITELIST=""

In Hardy the acpi-support scripts:

/etc/acpi/suspend.d/60-generate-modules-list.sh
/etc/acpi/suspend.d/70-modules-unload.sh 

handled unloading of modules. To find out which network drivers it
would/should unload via 60-, from the Hardy installation issue this
command:

for device in /sys/class/net/*/device/driver; do basename $(readlink
$device); done

One would expect the network device module was being unloaded via that
mechanism, but if the module name wasn't resolved correctly it wouldn't
get unloaded automatically.

-- 
[intrepid] Kernel warning, network and usb mouse fail after resume
https://bugs.launchpad.net/bugs/281089
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