Hi，
Platform： linux2.6.32+compat-wireless-3.5.4-1， cyw43438
wifi mode ：AP mode
This bug is not occured every time，and the time is not fixed，maybe halfhour or several hours.
Here is the log，
BCM:<6>CFG80211-ERROR) wl_cfg80211_set_channel : BCM:netdev_ifidx(6), chan_type(0) target channel(2)
BCM:<6>CFG80211-ERROR) wl_cfg80211_parse_ies : BCM:No WPSIE in beacon
BCM:<6>CFG80211-ERROR) wl_cfg80211_parse_ies : BCM:No WPSIE in beacon
BCM:_dhd_wlfc_mac_entry_update():1636, entry(32)
BCM:<6>CFG80211-ERROR) wl_notify_connect_status_ap : BCM:event WLC_E_DEAUTH_IND(6) status 0 reason 3
BCM:<6>CFG80211-ERROR) wl_notify_connect_status_ap : BCM:event WLC_E_DISASSOC_IND(12) status 0 reason 8
BCM:<6>CFG80211-ERROR) wl_notify_connect_status_ap : BCM:event WLC_E_DEAUTH(5) status 0 reason 4
BCM:<6>CFG80211-ERROR) wl_notify_connect_status_ap : BCM:event WLC_E_DISASSOC_IND(12) status 0 reason 8
BCM:INTERNAL ERROR: FIRMWARE HALTED : set BUS DOWN
BCM:CONSOLE: at 0x00af m_cts_duration 0x0000 m_ucode_dbgst 0x0002
BCM:CONSOLE: 002008.407 wepctl 0x0350, pcmctl 0x0300, pcmstat 0x0000
BCM:CONSOLE: 002008.407 M_RXFRM_BLK scr(0:63) btc_params(0:63) PC AXI slave error; APB Bridge 0
BCM:CONSOLE: 002008.407 errlog: lo 0x180013fe, hi 0x00000000, id 0x00040004, flags 0x00000100, status 0x00000005
BCM:CONSOLE: 002008.407
BCM:CONSOLE: FWID 01-f52710fa
BCM:CONSOLE: flags 1
BCM:CONSOLE: 002008.407
BCM:CONSOLE: TRAP 3(6fe40): pc c4f6, lr c4b3, sp 6fe94, cpsr 60000003, spsr 61000010
BCM:CONSOLE: 002008.407 r0 3, r1 ec9224, r2 0, r3 1f0, r4 59974, r5 18001000, r6 6ad74
BCM:CONSOLE: 002008.407 r7 40, r8 599f4, r9 6ff40, r10 18004000, r11 18104000, r12 0
BCM:CONSOLE: 002008.407
BCM:CONSOLE: sp+0 00000003 00ec9224 00000000 000001f0
BCM:CONSOLE: 002008.407 sp+10 00000000 0000c4b3 0000c4f6 61000010
BCM:CONSOLE:
BCM:CONSOLE: 002008.408 sp+14 0000c4b3
BCM:CONSOLE: 002008.408 sp+4c 0000c539
BCM:CONSOLE: 002008.408 sp+68 00000413
BCM:CONSOLE: 002008.408 sp+6c 0000c5b3
BCM:CONSOLE: 002008.408 sp+7c 00022183
BCM:CONSOLE: 002008.408 sp+a4 00008325
BCM:CONSOLE: 002008.408 sp+c4 00002729
BCM:CONSOLE: 002008.408 sp+d4 00002e55
BCM:CONSOLE: 002008.408 sp+dc 00002029
BCM:CONSOLE: 002008.408 sp+128 00002a0b
BCM:CONSOLE: 002008.408 sp+148 00002a0b
BCM:CONSOLE: 002008.408 sp+158 0000221b
BCM:dhdsdio_checkdied: msgtrace address : 0x00000000
console address : 0x0006DEBC
Assrt not built in dongle
Dongle trap type 0x3 @ epc 0xc4f6, cpsr 0x60000003, spsr 0x61000010, sp 0x6fe94,lp 0xc4b3, rpc 0xc4f6 Trap offset 0x6fe40, r0 0x3, r1 0xec9224, r2 0x0, r3 0x1f0, r4 0x59974, r5 0x18001000, r6 0x6ad74, r7 0x40
BCM:dhdsdio_dpc: failed backplane access over SDIO, halting operation
BCM:dhd_prot_ioctl : bus is down. we have nothing to do
BCM:dhd_check_hang: Event HANG send up due to re=0 te=0 e=-1 s=0
BCM:dhd_check_hang: Event HANG send up due to re=0 te=0 e=-1 s=0
BCM:<6>CFG80211-ERROR) wl_cfg80211_get_station : BCM:GET STA INFO failed, -1
(2000-01-05 04:28:16.033874511 UTC),dhd_stop: current comm: events/0, pid:432
