TX2 WiFi runs fine, but in one case of multiply devices (11 TX2s) with single AP, we got critical errors:
Dec 24 18:15:50 localhost kernel: [ 608.293851] INTERNAL ERROR: FIRMWARE HALTED : set BUS DOWN
Dec 24 18:15:50 localhost kernel: [ 608.295654] CONSOLE:
Dec 24 18:15:50 localhost kernel: [ 608.295658] CONSOLE: 000000.090 wl0: wlc_enable_probe_req: state down, deferring setting of host flags
Dec 24 18:15:50 localhost kernel: [ 608.295659] CONSOLE: 000588.221
Dec 24 18:15:50 localhost kernel: [ 608.295661] CONSOLE: FWID 01-e527e2ad
Dec 24 18:15:50 localhost kernel: [ 608.295662] CONSOLE: flags 1
Dec 24 18:15:50 localhost kernel: [ 608.295664] CONSOLE: 000588.221
Dec 24 18:15:50 localhost kernel: [ 608.295665] CONSOLE: TRAP 4(23fd88): pc 1a16de, lr 1842bd, sp 23fde0, cpsr 8000019f, spsr 800001bf
Dec 24 18:15:50 localhost kernel: [ 608.295667] CONSOLE: 000588.221 dfsr 8, dfar 2bbbc4
Dec 24 18:15:50 localhost kernel: [ 608.295669] CONSOLE: 000588.221 r0 0, r1 0, r2 2e613, r3 22b678, r4 20c830, r5 22b70c, r6 2bbbc4
Dec 24 18:15:50 localhost kernel: [ 608.295671] CONSOLE: 000588.221 r7 904e0, r8 22b6e4, r9 904e, r10 23b0fc, r11 23feb6, r12 23fd94
Dec 24 18:15:50 localhost kernel: [ 608.295672] CONSOLE: 000588.221
Dec 24 18:15:50 localhost kernel: [ 608.295673] CONSOLE: sp+0 0022b70c 0021aa34 0021a92c 0021a92c
Dec 24 18:15:50 localhost kernel: [ 608.295675] CONSOLE: 000588.221 sp+10 00000001 0023a51c 0023fef0 00000000
Dec 24 18:15:50 localhost kernel: [ 608.295676] CONSOLE:
Dec 24 18:15:50 localhost kernel: [ 608.295678] CONSOLE: 000588.221 sp+2c 0018e331
Dec 24 18:15:50 localhost kernel: [ 608.295679] CONSOLE: 000588.221 sp+44 0019e8ab
Dec 24 18:15:50 localhost kernel: [ 608.295681] CONSOLE: 000588.221 sp+cc 00055849
Dec 24 18:15:50 localhost kernel: [ 608.295682] CONSOLE: 000588.221 sp+fc 001a8d95
Dec 24 18:15:50 localhost kernel: [ 608.295683] CONSOLE: 000588.221 sp+13c 001b1ba1
Dec 24 18:15:50 localhost kernel: [ 608.295685] CONSOLE: 000588.221 sp+164 0018ae51
Dec 24 18:15:50 localhost kernel: [ 608.295686] CONSOLE: 000588.221 sp+17c 00016e77
Dec 24 18:15:50 localhost kernel: [ 608.295688] CONSOLE: 000588.221 sp+180 00016e4d
Dec 24 18:15:50 localhost kernel: [ 608.295689] CONSOLE: 000588.221 sp+18c 00016eb5
Dec 24 18:15:50 localhost kernel: [ 608.295690] CONSOLE: 000588.221 sp+19c 000170cf
Dec 24 18:15:50 localhost kernel: [ 608.295692] CONSOLE: 000588.221 sp+1a4 00183685
Dec 24 18:15:50 localhost kernel: [ 608.295693] CONSOLE: 000588.221 sp+1ac 001824f7
Dec 24 18:15:50 localhost kernel: [ 608.295694] CONSOLE: 000588.221 sp+1b8 000001df
Dec 24 18:15:50 localhost kernel: [ 608.295696] CONSOLE: 000588.221 sp+1f8 0001706b
Dec 24 18:15:50 localhost kernel: [ 608.295697] CONSOLE: 000588.221 sp+208 001855fb
Dec 24 18:15:50 localhost kernel: [ 608.295700] dhdsdio_checkdied: msgtrace address : 0x00000000
Dec 24 18:15:50 localhost kernel: [ 608.295700] console address : 0x0023DEBC
Dec 24 18:15:50 localhost kernel: [ 608.295700] Assrt not built in dongle
Dec 24 18:15:50 localhost kernel: [ 608.295700] Dongle trap type 0x4 @ epc 0x1a16de, cpsr 0x8000019f, spsr 0x800001bf, sp 0x23fde0,lp 0x1842bd, rpc 0x1a16de Trap offset 0x23fd88, r0 0x0, r1 0x0, r2 0x2e613, r3 0x22b678, r4 0x20c830, r5 0x22b70c, r6 0x2bbbc4, r7 0x904e0
Dec 24 18:15:50 localhost kernel: [ 608.295700]
Dec 24 18:15:50 localhost kernel: [ 608.295700]
Dec 24 18:15:50 localhost kernel: [ 608.295770] dhdsdio_dpc: failed backplane access over SDIO, halting operation
Dec 24 18:15:50 localhost kernel: [ 608.443318] dhd_start_xmit: xmit rejected pub.up=1 busstate=0
Dec 24 18:15:50 localhost kernel: [ 608.443349] dhd_start_xmit: Event HANG sent up
Dec 24 18:15:50 localhost kernel: [ 608.443427] [12-24 18:15:50.222] wl_cfg80211_disconnect: Reason 3
Dec 24 18:15:50 localhost kernel: [ 608.443437] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.443443] dhd_check_hang: Event HANG send up due to re=0 te=0 e=-1 s=0
Dec 24 18:15:50 localhost kernel: [ 608.443447] dhd_check_hang: Event HANG send up due to re=0 te=0 e=-1 s=0
Dec 24 18:15:50 localhost kernel: [ 608.443453] wl_cfg80211_disconnect :
Dec 24 18:15:50 localhost kernel: [ 608.443455] error (-1)
Dec 24 18:15:50 localhost kernel: [ 608.443499] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.443505] CFGP2P-ERROR) wl_cfgp2p_bss_isup :
Dec 24 18:15:50 localhost kernel: [ 608.443507] 'cfg bss -C 0' failed: -1
Dec 24 18:15:50 localhost kernel: [ 608.443509] CFGP2P-ERROR) wl_cfgp2p_bss_isup :
Dec 24 18:15:50 localhost kernel: [ 608.443510] NOTE: this ioctl error is normal when the BSS has not been created yet.
Dec 24 18:15:50 localhost kernel: [ 608.443514] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.443518] wl_notifier_change_state :
Dec 24 18:15:50 localhost kernel: [ 608.443519] wlan0:error(-1)
Dec 24 18:15:50 localhost kernel: [ 608.443523] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.443556] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.443561] CFGP2P-ERROR) wl_cfgp2p_set_management_ie :
Dec 24 18:15:50 localhost kernel: [ 608.443562] vndr ie set error : -1
Dec 24 18:15:50 localhost kernel: [ 608.443574] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.443577] wl_dongle_down :
Dec 24 18:15:50 localhost kernel: [ 608.443579] WLC_DOWN error (-1)
Dec 24 18:15:50 localhost kernel: [ 608.467397] wl_android_wifi_off in
Dec 24 18:15:50 localhost kernel: [ 608.467410] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.467416] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.467423] dhd_prot_ioctl : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.468913] dhdsdio_isr : bus is down. we have nothing to do
Dec 24 18:15:50 localhost kernel: [ 608.468950] gpio tegra-gpio-aon wake69 for gpio=59(FF:3)
Dec 24 18:15:50 localhost kernel: [ 608.468952] Disabling wake69
Dec 24 18:15:50 localhost kernel: [ 608.469035] sdhci-tegra 3440000.sdhci: Tuning done, restoring the best tap value : 64
Dec 24 18:15:50 localhost kernel: [ 608.470077] wifi_platform_set_power = 0
Dec 24 18:15:50 localhost kernel: [ 608.675566] wl_cfg80211_hang :
Dec 24 18:15:50 localhost kernel: [ 608.675569] In : chip crash eventing
We are using Linux version 4.9.201.
Thanks ~