In my Dell laptop with a orinoco card (Dell True Mobile) ifconfig blocks
while trying to bring down the wireless interface. It doesn't give any
error. ACPI is disabled, APM enabled.
It doesn't occur always, only if there was some traffic in the wireless
interface. The process cannot be killed, but sending it kill -9 makes
ifconfig to eat 100% of the CPU. ps axl shows the ifconfig process as
"running", even before sending the signal.
It's particularly annonying because the system cannot be halted properly.
-test4 doesn't suffer this problem.
Regards,
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ricardo galli GPG id C8114D34