Hello everyone,
I recently installed OpenWrt on a Xiaomi Mi Router 3G but sometimes it crashes then reboot. Especially when I connect a wireless printer on it (HP Envy 5000). I don't know what to do, maybe my configuration is messed up.
I'm using the router for wireless AP, a separated guest wireless AP behind a VPN and adblock.
With the command "logread -f" when I'm connecting the printer, I get:
root@OpenWrt:~# logread -f
Sat Apr 20 12:43:40 2019 daemon.info hostapd: wlan0: STA ac:e2:d3:40:72:0c IEEE 802.11: authenticated
Sat Apr 20 12:43:40 2019 daemon.info hostapd: wlan0: STA ac:e2:d3:40:72:0c IEEE 802.11: associated (aid 3)
Sat Apr 20 12:43:40 2019 daemon.notice hostapd: wlan0: AP-STA-CONNECTED ac:e2:d3:40:72:0c
Sat Apr 20 12:43:40 2019 daemon.info hostapd: wlan0: STA ac:e2:d3:40:72:0c WPA: pairwise key handshake completed (RSN)
Sat Apr 20 12:43:41 2019 daemon.warn dnsmasq-dhcp[3703]: no address range available for DHCP request via br-lan
Sat Apr 20 12:43:47 2019 kern.alert kernel: [ 62.558559] CPU 0 Unable to handle kernel paging request at virtual address 00000004, epc == 8033dd14, ra == 8033de48
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.569143] Oops[#1]:
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.571408] CPU: 0 PID: 2606 Comm: hostapd Not tainted 4.14.95 #0
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.577472] task: 8fe15140 task.stack: 8ea7a000
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.581977] $ 0 : 00000000 00000001 8e81449c 00000000
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.587188] $ 4 : 8e814400 8e81449c 00000000 00000000
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.592398] $ 8 : 00000000 7ffff000 00000000 80000000
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.597608] $12 : 8ea7a000 00000000 00000000 77fea2c0
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.602817] $16 : 8d80e840 00000000 8ea7bd54 8e81449c
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.608026] $20 : 00000001 8ea7bd50 00000040 00000000
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.613236] $24 : 00000000 80384cb8
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.618446] $28 : 8ea7a000 8ea7bc68 8ea7bd08 8033de48
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.623655] Hi : 00000235
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.626517] Lo : 000759c1
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.629382] epc : 8033dd14 0x8033dd14
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.633197] ra : 8033de48 0x8033de48
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.637009] Status: 11008402 KERNEL EXL
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.640918] Cause : 4080000c (ExcCode 03)
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.644902] BadVA : 00000004
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.647765] PrId : 0001992f (MIPS 1004Kc)
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.651836] Modules linked in: pppoe ppp_async pppox ppp_generic nf_conntrack_ipv6 mt76x2e mt76x2_common mt76x02_lib mt7603e mt76 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat sch_cake nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.722855] cls_fw sch_tbf sch_htb sch_hfsc sch_ingress ledtrig_usbport ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables ifb tun leds_gpio xhci_mtk xhci_plat_hcd xhci_pci xhci_hcd gpio_button_hotplug usbcore nls_base usb_common
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.747924] Process hostapd (pid: 2606, threadinfo=8ea7a000, task=8fe15140, tls=77febdc0)
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.756057] Stack : 8f18b0c0 000000db 00000000 8ea7bb0c 801281ec 8e814400 8e814400 8e8144a8
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.764389] 8e81449c 8033de48 00000000 00000000 00000008 80387888 8ea7bd50 8ea7bd54
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.772721] 8ea7bcb8 8ea7bd08 8054cde4 00000000 00000000 8d80eb40 8ea7bd7c 8e814400
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.781054] 00004000 00000040 00000000 8ea7bd50 8ea7bd54 fffffff5 00000000 8033df94
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.789387] 00000000 80065ea4 8ea7bd8c 00000040 8ea7bd54 8ea7bd7c 8ea7bd08 8ea7bd0c
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.797719] ...
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.800154] Call Trace:
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.800201] [<801281ec>] 0x801281ec
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.806108] [<8033de48>] 0x8033de48
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.809577] [<80387888>] 0x80387888
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.813080] [<8033df94>] 0x8033df94
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.816548] [<80065ea4>] 0x80065ea4
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.820048] [<8033e028>] 0x8033e028
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.823516] [<802318b4>] 0x802318b4
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.826989] [<8033cdac>] 0x8033cdac
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.830470] [<80384d10>] 0x80384d10
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.833950] [<8032bbf0>] 0x8032bbf0
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.837442] [<8032bfa8>] 0x8032bfa8
Sat Apr 20 12:43:47 2019 kern.warn kernel: [ 62.840925] [<8032ca2c>] 0x8032ca2c
What should I do? Have a nice day!