I also see same messages in dmesg. Currently using Ubuntu natty beta
2.6.38-8-generic. Wireless speed is very slow. About 30% of packets are lost
using ping:
--- 192.168.1.1 ping statistics ---
45 packets transmitted, 31 received, 31% packet loss, time 44086ms
rtt min/avg/max/mdev = 1.163/2.363/16.377/2.694 ms
lspci -vvv
09:00.0 Network controller: Atheros Communications Inc. AR5008 Wireless Network
Adapter (rev 01)
Subsystem: D-Link System Inc Device 3a69
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: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at fbce0000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [40] #80 [0000]
Kernel driver in use: ath9k
Kernel modules: ath9k
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https://bugs.launchpad.net/bugs/736171
Title:
ath: Failed to stop TX DMA in 100 msec after killing last frame
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