FS#2523 - RB750 randomly reboots after kernel warnings #7313
Labels
flyspray
kernel
pull request/issue with Linux kernel related changes
release/19.07
pull request/issue targeted (also) for OpenWrt 19.07 release
pierunie:
Mikrotik RB750Gr3
LuCI openwrt-19.07 branch (git-19.267.59428-7b36dae) / OpenWrt 19.07-SNAPSHOT r10532-cf3b50377e
Router randomly reboots (it may be stable for hours or can reboot in a minute after power up). Seems like kernel problem.
Here are some logs I managed to fetch before the reboots:
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.010562] ------------[ cut here ]------------
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.015202] WARNING: CPU: 2 PID: 0 at net/ipv4/tcp_output.c:2509 0x803cc8bc
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.022158] invalid inflight: 1 state 1 cwnd 10 mss 1388
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.027441] Modules linked in: qcserial pppoe ppp_async option cdc_mbim usb_wwan sierra_net sierra rndis_host qmi_wwan pppox ppp_generic nf_nat_pptp nf_conntrack_pptp nf_conntrack_ipv6 iptable_nat ipt_REJECT ipt_MASQUERADE huawei_cdc_ncm cdc_ncm cdc_ether xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_FLOWOFFLOAD xt_CT wireguard usbserial usbnet usblp ts_fsm ts_bm slhc nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_redirect nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc nf_conntrack_ipv4 nf_nat_ipv4 nf_nat_h323 nf_nat_amanda nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.097872] nf_conntrack_netlink nf_conntrack_irc nf_conntrack_h323 nf_conntrack_broadcast ts_kmp nf_conntrack_amanda nf_conntrack iptable_raw iptable_mangle iptable_filter ip_tables crc_ccitt cdc_wdm cdc_acm fuse ledtrig_usbport gpio_beeper input_core xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ip6_udp_tunnel udp_tunnel tun vfat fat nls_utf8 nls_iso8859_1 nls_cp437 uas usb_storage leds_gpio xhci_plat_hcd xhci_pci xhci_mtk xhci_hcd ehci_platform
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.169233] sd_mod scsi_mod ehci_hcd gpio_button_hotplug ext4 mbcache jbd2 usbcore nls_base usb_common mii crc32c_generic
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.180291] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.143 #0
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.186357] Stack : 00000000 00000000 00000000 81230398 00000000 00000000 00000000 00000000
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.194691] 00000000 00000000 00000000 00000000 00000000 00000001 8fc0dd30 ac07f596
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.203026] 8fc0ddc8 00000000 00000000 00004ea0 00000038 8049db58 00000007 00000000
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.211359] 00000000 80550000 0002c043 00000000 8fc0dd10 00000000 80570000 8050c6a0
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.219690] 803cc8bc 000009cd 812303d8 81230398 00000000 802af9e8 00000008 805b0008
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.228022] ...
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.230459] Call Trace:
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.230475] [<8049db58>] 0x8049db58
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.236372] [<803cc8bc>] 0x803cc8bc
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.239840] [<802af9e8>] 0x802af9e8
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.243312] [<800101a0>] 0x800101a0
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.246782] [<800101a8>] 0x800101a8
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.250250] [<80486a9c>] 0x80486a9c
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.253722] [<800758a0>] 0x800758a0
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.257243] [<80032588>] 0x80032588
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.260714] [<803cc8bc>] 0x803cc8bc
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.264185] [<80032610>] 0x80032610
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.267654] [<803cc8bc>] 0x803cc8bc
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.271126] [<803cf3d0>] 0x803cf3d0
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.274596] [<8009d750>] 0x8009d750
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.278064] [<803cf7a8>] 0x803cf7a8
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.281537] [<8009dd80>] 0x8009dd80
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.285007] [<803cf770>] 0x803cf770
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.288474] [<8008c2cc>] 0x8008c2cc
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.291945] [<8008c588>] 0x8008c588
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.295413] [<8007cee8>] 0x8007cee8
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.298883] [<804a49b8>] 0x804a49b8
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.302357] [<80036f14>] 0x80036f14
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.305827] [<8025d440>] 0x8025d440
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.309296] [<8000b488>] 0x8000b488
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.312764]
Sun Sep 29 20:08:08 2019 kern.warn kernel: [ 92.314310] ---[ end trace a36c893f27b6a6f3 ]---
Sun Sep 29 18:56:25 2019 kern.alert kernel: [ 2442.525228] CPU 1 Unable to handle kernel paging request at virtual address 00000010, epc == 803be4a0, ra == 803c4104
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.535821] Oops[#1]:
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.538087] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 4.14.143 #0
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.545363] task: 8fc3be80 task.stack: 8fc5c000
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.549869] $ 0 : 00000000 00000001 0000004a 00000000
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.555080] $ 4 : 8ea76f3c 00000001 0000d706 00000000
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.560290] $ 8 : 00034501 00000321 811d7440 00000322
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.565501] $12 : 8ea22180 8ea22180 8e9a8e00 00000000
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.570712] $16 : 8ea76e40 00001204 6375f4c6 ffffffff
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.575923] $20 : 00001204 00000001 00000000 00000002
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.581133] $24 : 00000000 8034b220
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.586344] $28 : 8fc5c000 8fc0bbb8 00000000 803c4104
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.591555] Hi : 0000caa1
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.594419] Lo : 47aec5c8
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.597285] epc : 803be4a0 0x803be4a0
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.601098] ra : 803c4104 0x803c4104
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.604912] Status: 11007c03 KERNEL EXL IE
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.609082] Cause : 40800008 (ExcCode 02)
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.613066] BadVA : 00000010
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.615931] PrId : 0001992f (MIPS 1004Kc)
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.620003] Modules linked in: qcserial pppoe ppp_async option cdc_mbim usb_wwan sierra_net sierra rndis_host qmi_wwan pppox ppp_generic nf_nat_pptp nf_conntrack_pptp nf_conntrack_ipv6 iptable_nat ipt_REJECT ipt_MASQUERADE huawei_cdc_ncm cdc_ncm cdc_ether xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_FLOWOFFLOAD xt_CT wireguard usbserial usbnet usblp ts_fsm ts_bm slhc nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_redirect nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc nf_conntrack_ipv4 nf_nat_ipv4 nf_nat_h323 nf_nat_amanda nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.690391] nf_conntrack_netlink nf_conntrack_irc nf_conntrack_h323 nf_conntrack_broadcast ts_kmp nf_conntrack_amanda nf_conntrack iptable_raw iptable_mangle iptable_filter ip_tables crc_ccitt cdc_wdm cdc_acm fuse ledtrig_usbport gpio_beeper input_core xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ip6_udp_tunnel udp_tunnel tun vfat fat nls_utf8 nls_iso8859_1 nls_cp437 uas usb_storage leds_gpio xhci_plat_hcd xhci_pci xhci_mtk xhci_hcd ehci_platform
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.761710] sd_mod scsi_mod ehci_hcd gpio_button_hotplug ext4 mbcache jbd2 usbcore nls_base usb_common mii crc32c_generic
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.772740] Process swapper/1 (pid: 0, threadinfo=8fc5c000, task=8fc3be80, tls=00000000)
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.780788] Stack : 00000204 8034def4 8ea76e40 00000000 8ea76e40 8ea76e40 00001204 803c4104
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.789123] 8f346480 8056ba00 00000000 8015000a 00018bc3 8fc0bc74 00000004 00000000
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.797457] 80550000 8ea76f3c 00000002 00000001 91946e37 00000000 00000018 91946e37
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.805791] 00000000 91946e37 00000000 00000001 80570000 8050c458 00000000 00000002
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.814125] 00018bc3 00000018 8ee92564 8e9a0600 00000000 00000000 00000001 00000000
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.822457] ...
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.824891] Call Trace:
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.824903] [<8034def4>] 0x8034def4
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.830852] [<803c4104>] 0x803c4104
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.834335] [<8015000a>] 0x8015000a
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.837825] [<803c4efc>] 0x803c4efc
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.841318] [<803c6f34>] 0x803c6f34
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.844788] [<803a98a0>] 0x803a98a0
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.848313] [<803d1bc0>] 0x803d1bc0
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.851802] [<803d2f18>] 0x803d2f18
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.855307] [<8e86426c>] 0x8e86426c [nf_conntrack_ipv4@8e864000+0x1420]
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.861893] [<803a9da0>] 0x803a9da0
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.865406] [<803aa078>] 0x803aa078
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.868887] [<803a9940>] 0x803a9940
Sun Sep 29 18:56:25 2019 kern.warn kernel: [ 2442.872360] [<803a9c10>] 0x803a9c10
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.402270] ------------[ cut here ]------------
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.406908] WARNING: CPU: 1 PID: 0 at net/ipv4/tcp_output.c:2509 0x803cc8bc
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.413864] invalid inflight: 1 state 1 cwnd 10 mss 1388
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.419148] Modules linked in: qcserial pppoe ppp_async option cdc_mbim usb_wwan sierra_net sierra rndis_host qmi_wwan pppox ppp_generic nf_nat_pptp nf_conntrack_pptp nf_conntrack_ipv6 iptable_nat ipt_REJECT ipt_MASQUERADE huawei_cdc_ncm cdc_ncm cdc_ether xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_FLOWOFFLOAD xt_CT wireguard usbserial usbnet usblp ts_fsm ts_bm slhc nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_redirect nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc nf_conntrack_ipv4 nf_nat_ipv4 nf_nat_h323 nf_nat_amanda nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.489628] nf_conntrack_netlink nf_conntrack_irc nf_conntrack_h323 nf_conntrack_broadcast ts_kmp nf_conntrack_amanda nf_conntrack iptable_raw iptable_mangle iptable_filter ip_tables crc_ccitt cdc_wdm cdc_acm fuse ledtrig_usbport gpio_beeper input_core xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ip6_udp_tunnel udp_tunnel tun vfat fat nls_utf8 nls_iso8859_1 nls_cp437 uas usb_storage leds_gpio xhci_plat_hcd xhci_pci xhci_mtk xhci_hcd ehci_platform
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.561103] sd_mod scsi_mod ehci_hcd gpio_button_hotplug ext4 mbcache jbd2 usbcore nls_base usb_common mii crc32c_generic
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.572189] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.14.143 #0
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.578264] Stack : 00000000 00000000 00000000 81222398 00000000 00000000 00000000 00000000
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.586600] 00000000 00000000 00000000 00000000 00000000 00000001 8fc0bd30 ac07f596
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.594938] 8fc0bdc8 00000000 00000000 00004f18 00000038 8049db58 00000007 00000000
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.603273] 00000000 80550000 0008bb1d 00000000 8fc0bd10 00000000 80570000 8050c6a0
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.611605] 803cc8bc 000009cd 812223d8 81222398 00000000 802af9e8 00000004 805b0004
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.619937] ...
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.622376] Call Trace:
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.622394] [<8049db58>] 0x8049db58
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.628288] [<803cc8bc>] 0x803cc8bc
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.631755] [<802af9e8>] 0x802af9e8
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.635228] [<800101a0>] 0x800101a0
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.638699] [<800101a8>] 0x800101a8
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.642170] [<80486a9c>] 0x80486a9c
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.645638] [<800758a0>] 0x800758a0
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.649107] [<80032588>] 0x80032588
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.652580] [<803cc8bc>] 0x803cc8bc
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.656052] [<80032610>] 0x80032610
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.659528] [<803cc8bc>] 0x803cc8bc
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.663008] [<803cf3d0>] 0x803cf3d0
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.666478] [<8009d750>] 0x8009d750
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.669947] [<803cf7a8>] 0x803cf7a8
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.673420] [<8009dd80>] 0x8009dd80
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.676890] [<803cf770>] 0x803cf770
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.680358] [<8008c2cc>] 0x8008c2cc
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.683829] [<80063018>] 0x80063018
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.687300] [<8008c588>] 0x8008c588
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.690768] [<8007cee8>] 0x8007cee8
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.694244] [<804a49b8>] 0x804a49b8
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.697717] [<80036f14>] 0x80036f14
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.701185] [<8025d440>] 0x8025d440
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.704662] [<8000b488>] 0x8000b488
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.708131]
Sun Sep 29 18:19:29 2019 kern.warn kernel: [ 226.709665] ---[ end trace 0dde230055179878 ]---
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