Я наблюдаю такое же поведение на UAP-AP-Pro и склоняюсь к мысли, что причина полностью в баге zero handoff? Я собираюсь попытаться отключить ZH и пока запускать эти точки доступа без него, но посоветуйте, пожалуйста. Это началось только после обновления прошивки до версии 3.7.40.6115, точно не помню, на какой версии был ранее, но знаю, что был большой скачок (ранее использовал контроллер 5.3.11). Хотя подожди, только что нашёл версию — было 3.7.35.6029 -> 3.7.40.6115, и с этого момента всё началось.
Feb 20 13:49:42 LargeConferenceRoom user.alert kernel: [14689.860000] CPU 0 Unable to handle kernel paging request at virtual address 730009df, epc == 80109a38, ra == 85a078e4
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Oops[#1]:
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Cpu 0
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $ 0 : 00000000 00000000 00000000 00000069
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $ 4 : 730009df 85737ea0 00000006 0000000d
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $ 8 : 0071de85 00ea0000 84df4430 002db20d
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $12 : 00700000 84df4718 84df464c 84df47c8
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $16 : 73000000 00000000 85737ea0 84e00000
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $20 : 85737e70 85737e78 c0a80114 84e00000
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $24 : 72161dc3 85a101dc
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] $28 : 85736000 85737e00 00000000 85a078e4
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Hi : 00000d5c
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Lo : 3fe31900
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] epc : 80109a38 memcmp+0x8/0x34
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Tainted: P
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] ra : 85a078e4 __ieee80211_find_node+0x3c/0xac [umac]
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Status: 1100ff02 KERNEL EXL
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Cause : 00800008
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] BadVA : 730009df
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] PrId : 0001974c (MIPS 74Kc)
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Modules linked in: ebt_vlan ebt_stp ebt_snat ebt_redirect ebt_pkttype ebt_mark_m ebt_mark ebt_log ebt_limit ebt_ip ebt_dnat ebt_arp ebt_among ebtable_nat ebtable_filter ebtable_broute ebtables x_tables ubnt_roam(P) ath_pktlog(P) umac ath_dev(P) ath_spectral(P) ath_dfs(P) ath_rate_atheros(P) ath_hal(P) adf(P) asf(P) athrs_gmac pktgen fuse sd_mod scsi_mod sha1_generic michael_mic md5 hmac des_generic arc4 aes_generic ubnt_common(P) ecb cbc gpiodev(P) ubnthal(P)
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Process ubnt-roam-rx (pid: 770, threadinfo=85736000, task=878516e0, tls=00000000)
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Stack : 00000010 84de7980 85737e90 84de3278 00000001 0a360088 84dfaadc 85a079c4
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] 84de3c24 2db20000 00107e18 00000010 85737ea0 84de90b8 85737e90 84e00000
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] 85737e70 85737e78 0000001c 84f6a000 85737e90 84de44a8 8783b710 0a360089
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] 00000001 801fa8d8 00001000 84df90b4 dd230000 8747ee40 0a360088 84d7d6c0
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] 0002ea60 00000000 878516e0 80025e0c 00020104 0418d602 2db20960 0d920960
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] ...
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] Call Trace:
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] [<80109a38>] memcmp+0x8/0x34
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] [<85a078e4>] __ieee80211_find_node+0x3c/0xac [umac]
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] [<85a079c4>] top_ieee80211_find_node+0x20/0x40 [umac]
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] [<84de90b8>] ubnt_roam_monitor_on_handover_req+0x2c/0x70 [ubnt_roam]
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000] [<84de44a8>] ubnt_roam_udp_rx_init+0xac8/0xe78 [ubnt_roam]
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000]
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000]
Feb 20 13:49:42 LargeConferenceRoom user.warn kernel: [14689.860000]
Feb 20 13:49:42 LargeConferenceRoom user.emerg kernel: [14689.865000] Fatal exception: panic in 5 seconds