Ethernet dropped packets/overruns on Lenovo N100 when ACPI is on

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Hi,

I hope this is the right list to shed some light on this kernel problem:

http://bugzilla.kernel.org/show_bug.cgi?id=13830
referring to further detail at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/401891

When I use 'acpi=off' or 'acpi=ht' I can run the Realtek network
interface on the Lenovo at full speed with no problems.

Once I switch ACPI on, or use any of the other flags then I start to
get network errors when I put the interface under load. Errors,
overruns and dropped packets all go up in tandem.

I was wondering if you had any suggestions as to how to debug this
further and hopefully get it fixed.

The problem has existed in all versions of the kernel I have
available, (down to 2.6.24). Diagnostic output from the machine is
attached to the Launchpad bug above.

-- 
Neil Wilson

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