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[Familie Schlichting <familie.schlichting@xxxxxxxxx>]

After using Firefox system freezes completely. This happens after 10min
or sometimes even just after 2 hours. I also suspected the ath9k-driver.
My wlan chip is AR9220, which is basically the PCI version of AR9280:

sudo lspci -vv -nn -s 01:09
01:09.0 Network controller [0280]: Atheros Communications Inc. AR922X Wireless Network Adapter [168c:0029] (rev 01)
	Subsystem: D-Link System Inc Device [1186:3a78]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 168, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 17
	Region 0: Memory at ee000000 (32-bit, non-prefetchable) [size=64K]
	Capabilities: [44] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=100mA PME(D0+,D1-,D2-,D3hot+,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
	Kernel driver in use: ath9k
	Kernel modules: ath9k

On the other side hours of streaming music causes no freeze. Memcheck
and badblocks showed no errors of memory or harddrives.

-- 
lucid final hard freeze w/ screen garbling (suspect xorg crash)
https://bugs.launchpad.net/bugs/574576
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