#185: Stuck beacon on latest svn of madwifi
-------------------------------------+--------------------------------------
Reporter: [EMAIL PROTECTED] | Owner: proski
Type: defect | Status: assigned
Priority: major | Milestone: version 0.9.x -
progressive release candidate phase
Component: madwifi: driver | Version: trunk
Resolution: | Keywords:
Patch_attached: 0 |
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Comment (by [EMAIL PROTECTED]):
I have also encountered the Stuck Beacon.[[BR]]I am using a Ubiquiti XR2
minipci card, in a PCI-MiniPCI adapter in a PCI-X slot. I am using the
madwifi-hal-0.10.5.6 branch on both my AP and my client, though I have
tried trunk and 0.9.4. My present revision on the AP is 3722, my client
is using r3813.[[BR]]The AP is configured for WPA2-Enterprise using
hostapd and freeradius with a mysql backend.[[BR]]I originally had the
network configured on channel 1 of the 802.11g spectrum. After reading
this ticket, I looked around and saw that there was one other network on
that channel, though its signal quality was only 2dB. There are quite a
few networks on channel 6, so I opted to try out channel 11. This does
not seem to have any effect at all on the frequency or duration of stuck
beacons for me.[[BR]]Trolling through the IPMI event logs and my syslogs,
I have noticed that every occurence of the SBP is accompanied by a SERR
assertion from the PCI bus. It appears that the SERR precedes the SBP by
slightly less than a second, based on the logs.[[BR]]It is also
interesting to note that I have two other clients on this network - one
using an Intel 3945, and the other a Broadcom (I do not know the specific
chipset; it's in a 17" PowerBook G4). I also have a D-Link WNA-1330
PCMCIA card. The SBP and SERR only occur when I am associated from my
Atheros-based cards, but the other clients are also affected by
them.[[BR]]lspci output from the AP:
{{{
03:08.0 Ethernet controller [0200]: Atheros Communications, Inc. AR5006X
802.11abg NIC [168c:001b] (rev 01)
Subsystem: Unknown device [0777:3002]
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: 96 (2500ns min, 7000ns max), Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 24
Region 0: Memory at fe6f0000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-
Kernel driver in use: ath_pci
Kernel modules: ath_pci
}}}
lspci output from my Atheros client, using its onboard minipci card:
{{{
03:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR5212
802.11abg NIC [168c:1014] (rev 01)
Subsystem: IBM ThinkPad 11a/b/g Wireless LAN Mini Express Adapter
(AR5BXB6) [1014:058a]
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-
Interrupt: pin A routed to IRQ 17
Region 0: Memory at df2f0000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable-
Address: 00000000 Data: 0000
Capabilities: [60] Express (v1) Legacy Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
<512ns, L1 <64us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr-
TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1,
Latency L0 <512ns, L1 <64us
ClockPM- Suprise- LLActRep- BwNot-
LnkCtl: ASPM L1 Enabled; RCB 128 bytes Disabled- Retrain-
CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
Vector table: BAR=0 offset=00000000
PBA: BAR=0 offset=00000000
Capabilities: [100] Advanced Error Reporting <?>
Capabilities: [140] Virtual Channel <?>
Kernel modules: ath_pci
}}}
lspci output from my D-Link WNA-1330:
{{{
16:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR2413
802.11bg NIC [168c:001a] (rev 01)
Subsystem: D-Link System Inc Device [1186:3a1c]
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-`[[BR]]
Interrupt: pin A routed to IRQ 16
Region 0: Memory at c4000000 (32-bit, non-prefetchable) [disabled]
[size=64K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-
Kernel modules: ath_pci
}}}
Syslog of a recent SERR/SBP occurrence:
{{{
Jul 22 21:25:09 [ipmievd] Critical Interrupt sensor - PCI SERR
Jul 22 21:25:10 [kernel] wifi0: ath_bstuck_tasklet: Stuck beacon;
resetting (beacon miss count: 11)
Jul 22 21:25:10 [ipmievd] Critical Interrupt sensor - PCI SERR
Jul 22 21:25:10 [kernel] wifi0: ath_bstuck_tasklet: Stuck beacon;
resetting (beacon miss count: 11)
Jul 22 22:36:46 [ipmievd] Critical Interrupt sensor - PCI SERR
Jul 22 22:36:47 [kernel] wifi0: ath_bstuck_tasklet: Stuck beacon;
resetting (beacon miss count: 11)
}}}
--
Ticket URL: <http://madwifi.org/ticket/185#comment:29>
madwifi.org <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
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