I'm still seeing occasional "unsupported jumbo" messages, but the card does
appear to work fairly reliably,
I have not seen it fall over in days. Thanks Maxim. I haven't made speed tests
but it's not irritatingly slow.
Not seeing any "noise floor" messages.
$ uptime
21:17:49 up 2 days, 11:48, 7 users, load average: 0.04, 0.15, 0.15
$ dmesg | grep jumbo
[37027.685432] ath5k phy0: unsupported jumbo
[38462.863102] ath5k phy0: unsupported jumbo
[44390.762941] ath5k phy0: unsupported jumbo
[49163.566162] ath5k phy0: unsupported jumbo
[72370.910940] ath5k phy0: unsupported jumbo
[76083.488713] ath5k phy0: unsupported jumbo
[168572.002078] ath5k phy0: unsupported jumbo
[192528.656123] ath5k phy0: unsupported jumbo
$ uname -a
Linux ubuntu 2.6.32-25-generic #44-Ubuntu SMP Fri Sep 17 20:26:08 UTC 2010 i686
GNU/Linux
Note that this kernel doesn't have PCIEASPM enabled
$ grep PCIEASPM /boot/config-2.6.32-25-generic
# CONFIG_PCIEASPM is not set
$ lspci -knn
...
04:02.0 Ethernet controller [0200]: Atheros Communications Inc. AR5007G
Wireless Network Adapter [168c:001d] (rev 01)
Kernel driver in use: ath5k
Kernel modules: ath5k
$ sudo lspci -vvv
...
04:02.0 Ethernet controller: Atheros Communications Inc. AR5007G Wireless
Network Adapter (rev 01)
Subsystem: Atheros Communications Inc. Device 2055
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 (2500ns min, 7000ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at dcdf0000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-
Kernel driver in use: ath5k
Kernel modules: ath5k
--
ath5k : disconnection / slow network - "unsupported jumbo" error
https://bugs.launchpad.net/bugs/369005
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