Hi,

Since last upgrade, it seems every few days (it seems roughly every
2 days), my ath(4) disappears, or more specifically, "falls off" enough
to be unusable.

Kernel is compiled with ATH_DEBUG and AH_DEBUG.

athregs output before the device is unusable:

--------------------- begin quoted text ---------------------

CR       00000004 RXDP     059c9960 CFG      00000100 MIRT     00000000
IER      00000001 TIMT     00000000 TXCFG    00020085 RXCFG    00000005
MIBC     00000000 TOPS     00000008 RXNPTO   00000008 TXNPTO   00000010
RPGTO    00000000 RPCNT    0000001f MACMISC  00000000 SPC_0    00000000
SPC_1    00000000 GTXTO    00000000 GTTM     00000008 CST      000f0000
DMADBG0  88888888 DMADBG1  00000000 DMADBG2  12249249 DMADBG3  00000000
DMADBG4  00000000 DMADBG5  00000000 DMADBG6  001066b0 DMADBG7  00000000
DCM_A    deadbeef DCM_D    deadbeef DCCFG    deadbeef CCFG     deadbeef
CCUCFG   deadbeef CPC0     deadbeef CPC1     deadbeef CPC2     deadbeef
CPC3     deadbeef CPCOVF   deadbeef D_SIFS   00000160 D_SLOT   0000018c
D_EIFS   00003e38 D_MISC   00000000 D_SEQ    00000030 D_FPCTL  00000000
D_TXPSE  00010000 MAC_LED  00000400 RC       00000000 SCR      00ca05cb
INTPEND  00004400 SFR      03fd5991 PCICFG   08000010 PCIEPMC  3a080400
SREV     000c12ff AHBMODE  0000001f IASYNCM  00000002 ISYNCM   00023f60
SERDES   a8000019 SERDES2  00000000 GPIOIO   00fff000 GPIOOE   00000000
GPIOPOL  00000000 GPIOIEV  00028020 GPIMUX1  00000000 GPIMUX2  00000000
GPOMUX1  00000000 GPOMUX2  00000000 GPOMUX3  badc0ffe OBS      00000008
RTC_RC   00000000 RTC_PLL  0000142c STA_ID0  3aa60454 STA_ID1  b880ea96
BSS_ID0  d952f690 BSS_ID1  0003cfff SLOTTIME 000002d0 TIME_OUT 08400b00
RSSI_THR 00000781 USEC     12e0002b BEACON   00000000 CFP_PER  00000000
TIMER0   00000000 TIMER1   00000000 TIMER2   00000000 TIMER3   00000000
CFP_DUR  00000000 RXFILTER 00000417 MCAST_0  84000804 MCAST_1  00001040
DIAG_SW  00000000 TSF_L32  14c389bc TSF_U32  00000001 TST_ADAC 00000000
DEF_ANT  00000000 QOS_MASK 000fc78f SEQ_MASK 0000000f OBSERV2  00000000
OBSERV1  00002880 LAST_TST 14c20180 NAV      00000000 RTS_OK   00000000
RTS_FAIL 00000000 ACK_FAIL 00000000 FCS_FAIL 00000001 BEAC_CNT 00000000
SLEEP1   14080000 SLEEP2   14000000 SLEEP3   00000000 BSSMSKL  ffffffff
BSSMSKU  0000ffff TPC      003f3f3f TFCNT    0000ad69 RFCNT    16f52865
RCCNT    17ae2c66 CCCNT    508c796c QUIET1   00020000 QUIET2   00020000
TSF_PARM 00000000 NOACK    00000052 PHY_ERR  00000000 QOS_CTRL 000100aa
QOS_SEL  00003210 MISCMODE 08f04814 FILTOFDM 00000335 FILTCCK  00000609
PHYCNT1  00bffe0c PHYCMSK1 00020000 PHYCNT2  00bfff70 PHYCMSK2 02000000
TXOPX    000000ff NXTTBTT  14c39000 NXTDBA   00000000 NXTSWBA  00000000
NXTCFP   00000000 NXTHCF   00000000 NXTDTIM  14c51400 NXTQUIET 00000000
NXTNDP   00000000 BCNPER   00019000 DBAPER   00019000 SWBAPER  00000000
TIMPER   00019000 DTIMPER  00019000 QUIETPER 00000000 NDPPER   00000000
TIMERMOD 00100031 SLP32MOD 0010f400 SLP32WAK 00000100 SLP32INC 0001e800
SLPCNT   00000000 SLPMIB   00000000 2040MODE 00000000 EXTRCCNT 38de4bf7
PCUTXBUF 00000380 PHYTURBO 000003c0

IMR: 81841df4 S0 030f000f S1 010f000f S2 0080000f S3 00000000 S4 00000000
ISR: 00000008 S0 00000000 S1 00000000 S2 f2000000 S3 00000000 S4 00000000

Q_TXE    00000000  Q_TXD    00000000  Q_RDYTIMSHD 00000000
Q_ONESHOTARM_SC 00000000  Q_ONESHOTARM_CC 00000000
Q[0] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[1] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[2] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[3] TXDP 059c2940 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[4] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[5] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[6] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[7] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[8] TXDP 00000000 CBR 00000000 RDYT 0100a800 MISC 00000862 STS 00000000
Q[9] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 000008a2 STS 00000000

D[0] MASK 00000001 IFS 007ffc0f RTRY 0008200a CHNT 00000000 MISC 001102
D[1] MASK 00000002 IFS 002ffc07 RTRY 0008200a CHNT 00100800 MISC 001102
D[2] MASK 00000004 IFS 00203c07 RTRY 0008200a CHNT 00100bc0 MISC 001102
D[3] MASK 00000008 IFS 00201c03 RTRY 0008200a CHNT 001005e0 MISC 001102
D[4] MASK 00000010 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[5] MASK 00000020 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[6] MASK 00000040 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[7] MASK 00000080 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[8] MASK 00000100 IFS 002ffc0f RTRY 0008200a CHNT 00000000 MISC 041102
D[9] MASK 00000200 IFS 002ffc0f RTRY 0008200a CHNT 00000000 MISC 251102

KEY[004] MAC 90:f6:52:d9:ff:cf AES-CCM eba4-77fa-f865-c6a4-31c4-daa3-2a5c-2c0a

9800 00000007
9808 00000000  980c afe68e30  9810 fd14e000  9814 a65e7f6b  9818 000000e0
981c 00000001  9820 02020200  9824 01000e0e  9828 0a020001  982c 0000a000
9834 00000e0e  9838 00000007  983c 00200400  9840 206a012e  9844 03721620
9848 00001053  984c 00c6233c  9850 6d4000e2  9854 00000044  9858 7ec88d2e
985c 3137605e  9860 00068d20  9864 18e1cf1c  9868 7ffe40df  986c 0fffff80
9870 00000000  9874 30a42222
9900 00000000  9904 00000000  9908 00000000  990c 00000000  9910 01002310
9914 00000898  9918 0000000b  991c 10000fff  9920 0490a862  9924 d00a8005
9928 00000000  992c 00000004  9930 00000000  9934 27272727  9938 27272727
993c 0000003f  9940 14750604  9944 ffbc1020  9948 9280c00a  994c 00020028
9950 00000000  9954 5f3ca3de  9958 2108ecff  995c 001a3500  9960 00000000
9964 00000000  9968 000003ce  996c 00000000  9970 192bb514  9974 0000000c
9c00 00000000  9c04 0f9ef15d  9c08 ff8149a7  9c0c 00000ee2  9c10 104252b3
9c14 0f9ef15d
a180 00000000  a184 00000000  a188 00000000  a18c 00000000  a190 00000000
a194 00000000  a198 00000000  a19c 00000000  a1a0 00000000  a1a4 00000000
a1a8 00000000  a1ac 00000000  a1b0 00000000  a1b4 00000000  a1b8 00000000
a1bc 00000000  a1c0 00000000  a1c4 00000000  a1c8 00000000  a1cc 00000000
a1d0 00000000  a1d4 00000000  a1d8 00000000  a1dc 00000000  a1e0 00000000
a1e4 00000000  a1e8 00000000  a1ec 00000000  a1f0 00000000  a1f4 00000000
a1f8 00000000  a1fc 00000000  a200 00000004  a204 00000004  a208 803e68c8
a20c 00000000  a210 4080a333  a214 00206c10  a218 009c4060  a21c 1883800a
a220 01834061  a224 00000400  a228 000003b5  a22c 00000011  a230 00000108
a258 0cc75380  a25c 15151501  a260 dfa90f01  a264 00014837  a268 00000000
a3c8 00000246  a3cc 20202020

---------------------- end quoted text ----------------------

And after:

--------------------- begin quoted text ---------------------

CR       00000000 RXDP     00000000 CFG      00000100 MIRT     00000000
IER      00000001 TIMT     00000000 TXCFG    00020085 RXCFG    00000005
MIBC     00000000 TOPS     00000008 RXNPTO   00000008 TXNPTO   00000010
RPGTO    00000000 RPCNT    0000001f MACMISC  00000000 SPC_0    00000000
SPC_1    00000000 GTXTO    00000000 GTTM     00000008 CST      000f0000
DMADBG0  88888888 DMADBG1  00000000 DMADBG2  12249249 DMADBG3  00000000
DMADBG4  00000000 DMADBG5  00000000 DMADBG6  001067f0 DMADBG7  00000000
DCM_A    deadbeef DCM_D    deadbeef DCCFG    deadbeef CCFG     deadbeef
CCUCFG   deadbeef CPC0     deadbeef CPC1     deadbeef CPC2     deadbeef
CPC3     deadbeef CPCOVF   deadbeef D_SIFS   00000160 D_SLOT   000000c6
D_EIFS   00003e38 D_MISC   00000000 D_SEQ    00000934 D_FPCTL  00000000
D_TXPSE  00010000 MAC_LED  00000800 RC       00000000 SCR      00ca05cb
INTPEND  00004400 SFR      03fd2391 PCICFG   08000010 PCIEPMC  3a080400
SREV     000c12ff AHBMODE  0000001f IASYNCM  00000002 ISYNCM   00023f60
SERDES   e5980560 SERDES2  00000000 GPIOIO   00fff000 GPIOOE   00000000
GPIOPOL  00000000 GPIOIEV  00028020 GPIMUX1  00000000 GPIMUX2  00000000
GPOMUX1  00000000 GPOMUX2  00000000 GPOMUX3  badc0ffe OBS      00000008
RTC_RC   00000000 RTC_PLL  0000142c STA_ID0  3aa60454 STA_ID1  b880ea96
BSS_ID0  d952f690 BSS_ID1  0003cfff SLOTTIME 000002f0 TIME_OUT 08400b00
RSSI_THR 00000781 USEC     12e0002b BEACON   00000000 CFP_PER  00000000
TIMER0   00000000 TIMER1   00000000 TIMER2   00000000 TIMER3   00000000
CFP_DUR  00000000 RXFILTER 00000017 MCAST_0  84000804 MCAST_1  00001040
DIAG_SW  02000020 TSF_L32  39db50ee TSF_U32  00000004 TST_ADAC 00000000
DEF_ANT  00000000 QOS_MASK 000fc78f SEQ_MASK 0000000f OBSERV2  00000000
OBSERV1  00002110 LAST_TST 1d29c580 NAV      00000000 RTS_OK   00000000
RTS_FAIL 00000000 ACK_FAIL 00000000 FCS_FAIL 00000000 BEAC_CNT 00000000
SLEEP1   00000000 SLEEP2   00400000 SLEEP3   00000000 BSSMSKL  ffffffff
BSSMSKU  0000ffff TPC      003f3f3f TFCNT    00000000 RFCNT    00000000
RCCNT    04298541 CCCNT    04298598 QUIET1   00020000 QUIET2   00020000
TSF_PARM 00000000 NOACK    00000052 PHY_ERR  00000000 QOS_CTRL 000100aa
QOS_SEL  00003210 MISCMODE 08f04814 FILTOFDM 00000000 FILTCCK  00000000
PHYCNT1  00000000 PHYCMSK1 00000000 PHYCNT2  00000000 PHYCMSK2 00000000
TXOPX    000000ff NXTTBTT  00000000 NXTDBA   00000000 NXTSWBA  00000000
NXTCFP   00000000 NXTHCF   00000000 NXTDTIM  00000000 NXTQUIET 00000000
NXTNDP   00000000 BCNPER   00000000 DBAPER   00000000 SWBAPER  00000000
TIMPER   00000000 DTIMPER  00000000 QUIETPER 00000000 NDPPER   00000000
TIMERMOD 00100000 SLP32MOD 0010f400 SLP32WAK 00000100 SLP32INC 0001e800
SLPCNT   00000000 SLPMIB   00000000 2040MODE 00000000 EXTRCCNT 00000000
PCUTXBUF 00000380 PHYTURBO 000003c0

IMR: 81801df4 S0 030f000f S1 010f000f S2 0080000f S3 00000000 S4 00000000
ISR: 00000008 S0 00000000 S1 00000000 S2 00000000 S3 00000000 S4 00000000

Q_TXE    00000000  Q_TXD    00000000  Q_RDYTIMSHD 00000000
Q_ONESHOTARM_SC 00000000  Q_ONESHOTARM_CC 00000000
Q[0] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[1] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[2] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[3] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[4] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[5] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[6] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[7] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 00000800 STS 00000000
Q[8] TXDP 00000000 CBR 00000000 RDYT 0100a800 MISC 00000862 STS 00000000
Q[9] TXDP 00000000 CBR 00000000 RDYT 00000000 MISC 000008a2 STS 00000000

D[0] MASK 00000001 IFS 007ffc0f RTRY 0008200a CHNT 00000000 MISC 001102
D[1] MASK 00000002 IFS 002ffc0f RTRY 0008200a CHNT 00100800 MISC 001102
D[2] MASK 00000004 IFS 00203c07 RTRY 0008200a CHNT 00100bc0 MISC 001102
D[3] MASK 00000008 IFS 00201c03 RTRY 0008200a CHNT 001005e0 MISC 001102
D[4] MASK 00000010 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[5] MASK 00000020 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[6] MASK 00000040 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[7] MASK 00000080 IFS 002ffc0f RTRY 00082004 CHNT 00000000 MISC 001002
D[8] MASK 00000100 IFS 002ffc1f RTRY 0008200a CHNT 00000000 MISC 041102
D[9] MASK 00000200 IFS 002ffc1f RTRY 0008200a CHNT 00000000 MISC 251102

9800 00000007
9808 00000000  980c afe68e30  9810 fd14e000  9814 9c0a9f6b  9818 000000e0
981c 00000001  9820 02020200  9824 01000e0e  9828 0a020001  982c 00002000
9834 00000e0e  9838 00000007  983c 00200400  9840 206a012e  9844 03721620
9848 00001053  984c 0000233c  9850 6d4000e2  9854 00000044  9858 7ec84d2e
985c 3137605e  9860 00058d21  9864 0001ce00  9868 5ac640d0  986c 06903881
9870 00000000  9874 30a59999
9900 00000000  9904 00000000  9908 00000000  990c 00000000  9910 01002310
9914 00000898  9918 0000000b  991c 10000fff  9920 04900000  9924 d00a800d
9928 00000000  992c 00000004  9930 00000000  9934 2c2c2c2c  9938 2a2c2c2c
993c 0000003f  9940 14750604  9944 ffbc1020  9948 9280c00a  994c 00020028
9950 00000000  9954 5f3ca3de  9958 2108ecff  995c 001a3500  9960 00000000
9964 00000000  9968 000003ce  996c 00000000  9970 192bb514  9974 0000000c
9c00 00000000  9c04 00000000  9c08 00000000  9c0c 000085f9  9c10 00000000
9c14 00000000
a180 00000000  a184 00000000  a188 00000000  a18c 00000000  a190 00000000
a194 00000000  a198 00000000  a19c 00000000  a1a0 00000000  a1a4 00000000
a1a8 00000000  a1ac 00000000  a1b0 00000000  a1b4 00000000  a1b8 00000000
a1bc 00000000  a1c0 00000000  a1c4 00000000  a1c8 00000000  a1cc 00000000
a1d0 00000000  a1d4 00000000  a1d8 00000000  a1dc 00000000  a1e0 00000000
a1e4 00000000  a1e8 00000000  a1ec 00000000  a1f0 00000000  a1f4 00000000
a1f8 00000000  a1fc 00000000  a200 00000004  a204 00000014  a208 803e68c8
a20c 00000000  a210 4080a333  a214 00206c10  a218 009c4060  a21c 1883800a
a220 01834061  a224 00000400  a228 000003b5  a22c 00000011  a230 00000108
a258 0cc75380  a25c 15151501  a260 dfa90f01  a264 00000000  a268 00000000
a3c8 00000246  a3cc 20202020

---------------------- end quoted text ----------------------

dmesg leading up to the unusable device:


--------------------- begin quoted text ---------------------

ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
ath0: bb hang detected (0x4), resetting
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: bb hang detected (0x4), resetting
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ath0: bb hang detected (0x4), resetting
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ath0: bb hang detected (0x4), resetting
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
ath0: bb hang detected (0x4), resetting
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ath0: bb hang detected (0x4), resetting
ath0: bb hang detected (0x4), resetting
ath0: bb hang detected (0x4), resetting
wlan0: link state changed to DOWN
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ath0: bb hang detected (0x4), resetting
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ath0: bb hang detected (0x4), resetting
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ath0: bb hang detected (0x4), resetting
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ath0: bb hang detected (0x4), resetting
ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
wlan0: link state changed to DOWN
wlan0: link state changed to UP
wlan0: link state changed to DOWN
ar5416StopDmaReceive: dma failed to stop in 10ms
AR_CR=0x00000024
AR_DIAG_SW=0x02000020
wlan0: link state changed to UP
wlan0: link state changed to DOWN
ath0: ath_legacy_rx_tasklet: sc_inreset_cnt > 0; skipping
wlan0: link state changed to UP
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x40d22
ath0: bb hang detected (0x4), resetting
wlan0: link state changed to DOWN
wlan0: link state changed to UP
ath0: ath_reset: unable to reset hardware; hal status 14
ath0: ath_reset: unable to reset hardware; hal status 14
ath0: ath_reset: unable to reset hardware; hal status 14
wlan0: link state changed to DOWN
ath0: ath_reset: unable to reset hardware; hal status 14
ath0: ath_chan_set: unable to reset channel 1 (2412 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 6 (2437 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 11 (2462 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 7 (2442 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 13 (2472 MHz, flags 0x680), hal 
status 14
ath0: ath_chan_set: unable to reset channel 2 (2417 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 3 (2422 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 4 (2427 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 5 (2432 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 8 (2447 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 9 (2452 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 10 (2457 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 12 (2467 MHz, flags 0x680), hal 
status 14
ath0: ath_chan_set: unable to reset channel 14 (2484 MHz, flags 0x2a0), hal 
status 14
ath0: ath_reset: unable to reset hardware; hal status 14
ath0: device timeout
ath0: ath_reset: unable to reset hardware; hal status 14
ath0: ath_reset: unable to reset hardware; hal status 14
ath0: ath_chan_set: unable to reset channel 1 (2412 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 6 (2437 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 11 (2462 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 7 (2442 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 13 (2472 MHz, flags 0x680), hal 
status 14
ath0: ath_chan_set: unable to reset channel 2 (2417 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 3 (2422 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 4 (2427 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 5 (2432 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 8 (2447 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 9 (2452 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 10 (2457 MHz, flags 0x480), hal 
status 14
ath0: ath_chan_set: unable to reset channel 12 (2467 MHz, flags 0x680), hal 
status 14
ath0: ath_chan_set: unable to reset channel 14 (2484 MHz, flags 0x2a0), hal 
status 14
ath0: ath_reset: unable to reset hardware; hal status 14

---------------------- end quoted text ----------------------

I am happy to provide any info that can help diagnose this.

Thanks.

Glen

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