[Madwifi-devel] current cvs - master 11g mode - system crash with signal level 0

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System: kernel 2.4.26 (slackware 10.0 default kernel)

Card - DLink DWL-G650 B2 (pcmcia card)

# lspci -nvvv
03:00.0 Class 0200: 168c:0013 (rev 01)
        Subsystem: 1186:3202
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParEr=
r-=20
Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort=
-=20
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 168 (2500ns min, 7000ns max), cache line size 04
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at 20800000 (32-bit, non-prefetchable) [size=3D6=
4K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA=20
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=3D0 DScale=3D2 PME-

Config:

IF=3Dath0
iwpriv $IF mode 3
iwconfig $IF key open
iwconfig $IF key s:mykey
iwconfig $IF essid "mok-dlink"
iwconfig $IF mode Master

Crash report:

After having upgraded to madwifi current cvs there is a reproducible syst=
em=20
crash. Steps to reproduce:

- a client (laptop2) is connected to the Master (laptop1)
- open a console to # watch cat /proc/net/wireless (to check the signal l=
evel)
- open a console to # ping peer_IP
- take laptop1 away to decrease the signal level
- shortly after the signal level goes to 0 system hangs (hard reboot with=
=20
power button)

Checked without and with # athdebug 0xFFFFFFFF

Debug output just before the crash:

Dec 29 20:58:48 slim kernel: ath_intr: status 0x10000
Dec 29 20:58:48 slim kernel: ath_beacon_tasklet
Dec 29 20:58:48 slim kernel: ath_beacon_tasklet: TXDP9 =3D 1d6d2940 (dd6d=
2940)
Dec 29 20:58:48 slim kernel: ath_intr: status 0x40
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 1d6d207c, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 1d6d1ef0, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_intr: status 0x8009
Dec 29 20:58:48 slim kernel: ath_rx_tasklet
Dec 29 20:58:48 slim kernel: R (dd6d0344 1d6d0344) 1d6d0370 0768e010 0000=
0000=20
00000920 107f00b9 f4b60003 *
Dec 29 20:58:48 slim kernel: TODS 00:0d:54:a1:95:c5->00:40:05:5e:54:e6
(00:40:05:5e:54:e6) data WEP [IV b2 26 03 KID 0] 2M +7
Dec 29 20:58:48 slim kernel:  0849 a800 0040 055e 54e6 000d 54a1 95c5 004=
0=20
055e 54e6 a04a b226 0300 aaaa 0300 0000 0800 4500 008d 911e 4000 2806 279=
9 d5
83 028e c0a8 00fa 008f 8002 badb 5178 107a aa6d 8018 1920 f5b3 0000 0101 =
080a=20
f8c8 2896 0005 a64d 1703 0100 54b8 0267 e014 56f9 2749 6937 f9cd 6ec7 51a=
8
 9bef d963 7c15 7ee7 9772 e636 1367 a034 1ab7 cb86 319b b79e 4669 10ae e8=
48=20
4440 7eb6 4f35 3124 4e46 ec78 c425 98df 1c19 2a9e ca7f d2e7 3f9c 5f49 51f=
f 1
d07 c613 18c5 7180 d60a 8629 e5ff 06
Dec 29 20:58:48 slim kernel: R (dd6d0370 1d6d0370) 1d6d039c 09041010 0000=
0000=20
00000920 00000000 00000000
Dec 29 20:58:48 slim kernel: ath_tx_start: skb df8e45f0 [data cafca6b8 le=
n 88]=20
skbaddr afca6b8
Dec 29 20:58:48 slim kernel: FRDS 00:40:05:5e:54:e6->00:0d:54:a1:95:c5
(00:40:05:5e:54:e6) data WEP [IV 2d f5 be KID 0] 18M
Dec 29 20:58:48 slim kernel:  0842 3000 000d 54a1 95c5 0040 055e 54e6 004=
0=20
055e 54e6 a001 2df5 be00 aaaa 0300 0000 0800 4500 0034 5de1 4000 4006 432=
f c0
a8 00fa d583 028e 8002 008f 107a aa6d badb 51d1 8010 6028 6ccb 0000 0101 =
080a=20
0005 a68b f8c8 2896
Dec 29 20:58:48 slim kernel: ath_tx_start: Q1: 00000000 0afca6b8 413c0060=
=20
00000058 22240000 000df14e
Dec 29 20:58:48 slim kernel: ath_tx_start: txq depth =3D 1
Dec 29 20:58:48 slim kernel: ath_tx_start: TXDP[1] =3D 1d6d20a8 (dd6d20a8=
)
Dec 29 20:58:48 slim kernel: ath_intr: status 0x40
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 1d6d20a8, link dd6=
d20a8
Dec 29 20:58:48 slim kernel: T (dd6d20a8 1d6d20a8) 00000000 0afca6b8 413c=
0060=20
00000058 22240000 000df14e 00000000 00000000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 1d6d1ef0, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_start: skb df676610 [data c23d10b8 le=
n=20
146] skbaddr 23d10b8
Dec 29 20:58:48 slim kernel: FRDS 00:40:05:5e:54:e6->00:0d:54:a1:95:c5
(00:40:05:5e:54:e6) data WEP [IV 2d f5 bf KID 0] 18M
Dec 29 20:58:48 slim kernel:  0842 3000 000d 54a1 95c5 0040 055e 54e6 004=
0=20
055e 54e6 b001 2df5 bf00 aaaa 0300 0000 0800 4500 006e 5de2 4000 4006 42f=
4 c0
a8 00fa d583 028e 8002 008f 107a aa6d badb 51d1 8018 6028 e61b 0000 0101 =
080a=20
0005 a68b f8c8 2896 1703 0100 3552 34a3 6b41 5769 e42f 6950 1ec3 d90b 451=
3
 9a44 2bfd c613 97dc 0c39 acdc 3a68 9650 89c2 8349 4020 c919 985b 0b30 19=
ed=20
be31 60ec 168a
Dec 29 20:58:48 slim kernel: ath_tx_start: Q1: 00000000 023d10b8 413c009a=
=20
00000092 22240000 000df14e
Dec 29 20:58:48 slim kernel: ath_tx_start: txq depth =3D 2
Dec 29 20:58:48 slim kernel: ath_tx_start: link[1](dd6d20a8)=3D1d6d20d4=20
(dd6d20d4)
Dec 29 20:58:48 slim kernel: ath_intr: status 0x40
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 1d6d20d4, link dd6=
d20d4
Dec 29 20:58:48 slim kernel: T (dd6d20a8 1d6d20a8) 1d6d20d4 0afca6b8 413c=
0060=20
00000058 22240000 000df14e 4b3f0001 0020ede5 *
Dec 29 20:58:48 slim kernel: T (dd6d20d4 1d6d20d4) 00000000 023d10b8 413c=
009a=20
00000092 22240000 000df14e 00000000 00000000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 1d6d1ef0, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_intr: status 0x10000
Dec 29 20:58:48 slim kernel: ath_beacon_tasklet
Dec 29 20:58:48 slim kernel: ath_beacon_tasklet: TXDP9 =3D 1d6d2940 (dd6d=
2940)
Dec 29 20:58:48 slim kernel: ath_intr: status 0x40
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 1d6d20d4, link dd6=
d20d4
Dec 29 20:58:48 slim kernel: T (dd6d20d4 1d6d20d4) 00000000 023d10b8 413c=
009a=20
00000092 22240000 000df14e 4b420101 0140ede7 *
Dec 29 20:58:48 slim kernel: ath_tx_processq: tx queue 00000000, link 000=
00000
Dec 29 20:58:48 slim=DD=DD=DD=DD=DD=DD ... (etc. - very long line)

Regards,
Gregory