linux-kernel - rtl8180 freeze some i386 systems

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Date:	Tue, 23 Nov 2010 12:27:24 +0100
From:	Frantisek Hanzlik <franta@...zlici.cz>
To:	LKML <linux-kernel@...r.kernel.org>
CC:	Andrea Merello <andreamrl@...cali.it>,
	Michael Wu <flamingice@...rmilk.net>
Subject: rtl8180 freeze some i386 systems

On two PCs with Fedora 14/i386 these systems freezes just after command
"ip link set wlan0 up" was entered.
"freezes" meant system is totally unuseable, ping to LAN interface
hasn't reply, kbd/mouse not work, only way is HW reset/power off.

This hang occurs always independently on system runlevel: when switch to
runlevel 1, when only kernel threads + udev + root bash are active,
system still hangs.
Systems hangs on all tested kernels 2.6.34, 2.6.35.9 and 2.6.36.
Systems hangs with implicit cmdline and too when using "nomodeset",
"acpi=noirq", "acpi=off", "pci=biosirq", "pci=routeirq", "pci=noacpi"
parameters.

I have two Zyxel "G-302 v3" wifi adapters reported as RTL 8185 rev 20
(10ec:8185), which on other two PCs with F1{3,4}/i386 and same config
works well.

Can someone help with? Is some general method for solving this issue?

Thank in advance, Franta Hanzlik
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