Possibly because of the frequent renegotiating my iwl4965 card has
been making, it has now decided it's not going to pass packets
reliably until presumably next time I reboot.
I've noticed messages in syslog that I hadn't seen when things were
working fine. The problem possibly has only surfaced after rmmodding
the iwl4965 module, then remodding it. It stays with me through being
removed and modprobed again. It is being bonded in conjunction with a
physical ethernet, if that is relevant, although I think I reproduced
it when it was on its lonesome.
Fresh after reboot:
Feb 22 09:49:31 dirac kernel: iwl4965: Intel(R) Wireless WiFi Link 4965AGN
driver for Linux, 1.1.17kds
Feb 22 09:49:31 dirac kernel: iwl4965: Copyright(c) 2003-2007 Intel Corporation
Feb 22 09:49:31 dirac kernel: ACPI: PCI Interrupt 0000:0c:00.0[A] -> GSI 17
(level, low) -> IRQ 17
Feb 22 09:49:31 dirac kernel: PCI: Setting latency timer of device 0000:0c:00.0
to 64
Feb 22 09:49:31 dirac kernel: iwl4965: Detected Intel Wireless WiFi Link 4965AGN
Feb 22 09:49:31 dirac kernel: ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 21
(level, low) -> IRQ 21
Feb 22 09:49:31 dirac kernel: PCI: Setting latency timer of device 0000:00:1b.0
to 64
Feb 22 09:49:31 dirac kernel: iwl4965: Tunable channels: 11 802.11bg, 13
802.11a channels
Feb 22 09:49:31 dirac kernel: phy0: Selected rate control algorithm
'iwl-4965-rs'
now finished with it, will be deconfigured and rmmodded:
Feb 23 03:05:23 dirac kernel: __dev_addr_discard: address leakage! da_users=1
Feb 23 03:05:23 dirac kernel: ACPI: PCI interrupt for device 0000:0c:00.0
disabled
The modprobed again:
Feb 23 03:05:35 dirac kernel: iwl4965: Intel(R) Wireless WiFi Link 4965AGN
driver for Linux, 1.1.17kds
Feb 23 03:05:35 dirac kernel: iwl4965: Copyright(c) 2003-2007 Intel Corporation
Feb 23 03:05:35 dirac kernel: ACPI: PCI Interrupt 0000:0c:00.0[A] -> GSI 17
(level, low) -> IRQ 17
Feb 23 03:05:35 dirac kernel: PCI: Setting latency timer of device 0000:0c:00.0
to 64
Feb 23 03:05:35 dirac kernel: iwl4965: Detected Intel Wireless WiFi Link 4965AGN
Feb 23 03:05:35 dirac kernel: iwl4965: Tunable channels: 11 802.11bg, 13
802.11a channels
Feb 23 03:05:35 dirac kernel: phy9: Selected rate control algorithm
'iwl-4965-rs'
according to lspci -vvv, 0c:00.0 is:
0c:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN
Network Connection (rev 61)
Subsystem: Intel Corporation Unknown device 1120
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 379
Region 0: Memory at f9ffe000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable+
Address: 00000000fee0300c Data: 4194
Capabilities: [e0] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns,
L1 unlimited
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+
TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency
L0 <128ns, L1 <64us
ClockPM+ Suprise- LLActRep- BwNot-
LnkCtl: ASPM L0s Enabled; RCB 64 bytes Disabled- Retrain-
CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
Capabilities: [100] Advanced Error Reporting <?>
Capabilities: [140] Device Serial Number d7-36-9b-ff-ff-e8-13-00
Kernel driver in use: iwl4965
Kernel modules: iwl4965
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