R7800 AP crash documentation

Jack007 · August 1, 2020, 1:13pm

Hi to all,

Yesterday (at 22:18:47) my dumb AP (19.07.3) crashed. Fortunately i was able to document what happened (via external syslog). Hope the documentation below is of some use to someone.

These are the warning prior to the crash.......

"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438571.631882] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438571.624469] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438571.617039] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438571.610506] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438571.610315] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.596737] Function entered at [<c0358b70>] from [<423017cc>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.590750] Function entered at [<c0358828>] from [<c0358b70>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.584671] Function entered at [<c0308550>] from [<c0358828>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.580852] Function entered at [<c030bf8c>] from [<c0308550>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.572532] 1fc0: 60000013 ffffffff"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.564228] 1fa0: 00000000 512f04d0 00000000 00000000 dd461fc8 dd461fd0 c030854c c0308550"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.559275] 1f80: 00000001 00000000 00000000 c0315100 ffffe000 c0a03cb8 c0a03c6c 00000000"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.553247] Exception stack(0xdd461f80 to 0xdd461fc8)"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.547258] Function entered at [<c03014b8>] from [<c030bf8c>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.541271] Function entered at [<c030e40c>] from [<c03014b8>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.535282] Function entered at [<c07c09c4>] from [<c030e40c>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.529292] Function entered at [<c030b390>] from [<c07c09c4>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.524260] Function entered at [<c030f1c4>] from [<c030b390>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.516875] Hardware name: Generic DT based system"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.513928] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D         4.14.180 #0"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.497608] ---[ end trace d9666f0013db003b ]---"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.485624] Function entered at [<c033d1ec>] from [<c0307c48>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.479630] Function entered at [<c033754c>] from [<c033d1ec>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.473646] Function entered at [<c0337050>] from [<c033754c>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.467654] Function entered at [<c0654728>] from [<c0337050>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.461664] Function entered at [<c0653b84>] from [<c0654728>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.455675] Function entered at [<c065176c>] from [<c0653b84>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.449687] Function entered at [<c065563c>] from [<c065176c>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.443697] Function entered at [<c05ad974>] from [<c065563c>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.437705] Function entered at [<c0565d0c>] from [<c05ad974>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.431716] Function entered at [<c0565cb0>] from [<c0565d0c>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.425728] Function entered at [<c05657f0>] from [<c0565cb0>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.419479] Function entered at [<c056ee50>] from [<c05657f0>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.411154] Function entered at [<c07be278>] from [<c056ee50>]"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.253679] Control: 10c5787d  Table: 5e91c06a  DAC: 00000051"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.246997] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.240225] r3 : dcdaf500  r2 : 1fffa6f0  r1 : 00000000  r0 : c0a200a0"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.234838] r7 : dd4dac80  r6 : 6401e46e  r5 : 00000006  r4 : c0a64ce0"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.229459] r10: 23c34600  r9 : dd640400  r8 : 16e36000"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.223036] sp : dc1f1df8  ip : 00000000  fp : dd7a7128"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.218258] pc : [<dcdaf500>]    lr : [<c07be278>]    psr: a0000013"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.214352] task: dc17cf00 task.stack: dc1f0000"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.209337] Workqueue: events 0xc06546f0"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.202548] Hardware name: Generic DT based system"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.192838] CPU: 0 PID: 26572 Comm: kworker/0:1 Not tainted 4.14.180 #0"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.170590]  sd_mod ahci_platform libahci_platform libahci libata scsi_mod ehci_hcd gpio_button_hotplug"
"2020-07-31 22:18:47","warning","kern","kernel","R7800_AP"," [1438567.116608] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 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 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 nf_conntrack iptable_mangle iptable_filter ip_tables crc_ccitt compat ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple ohci_platform ohci_hcd phy_qcom_dwc3 ahci ehci_platform"

these errors occur just after restart (probably not of interest).....

"2020-07-31 22:19:44","error","daemon","odhcp6c","R7800_AP"," Failed to send DHCPV6 message to ff02::1:2 (Address not available)"
"2020-07-31 22:19:44","error","daemon","odhcp6c","R7800_AP"," Failed to send DHCPV6 message to ff02::1:2 (Address not available)"
"2020-07-31 22:19:44","error","daemon","hostapd","R7800_AP"," Using interface wlan1 with hwaddr 3c:37:86:29:18:9f and ssid "SkyNet node 24""
"2020-07-31 22:19:44","error","daemon","odhcp6c","R7800_AP"," Failed to send RS (Address not available)"

the criticals ......

"2020-07-31 22:18:47","critical","kern","kernel","R7800_AP"," [1438567.508468] CPU1: stopping"

the alerts .....

"2020-07-31 22:18:47","alert","kern","kernel","R7800_AP"," [1438567.109836] [dcdaf500] *pgd=5ec1141e(bad)"
"2020-07-31 22:18:47","alert","kern","kernel","R7800_AP"," [1438567.103414] pgd = dc91c000"
"2020-07-31 22:18:47","alert","kern","kernel","R7800_AP"," [1438567.103372] Unable to handle kernel paging request at virtual address dcdaf500"

and the emergencies.....

"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.602740] Rebooting in 3 seconds.."
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.503588] Kernel panic - not syncing: Fatal exception"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.491634] Code: 70752e73 65746164 61666544 56746c75 (dc84e600)"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.402840] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.394509] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.386175] 1fa0: 00000000 00000000 00000000 c0307c48 00000000 00000000 00000000 00000000"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.377844] 1f80: 00000000 c033d1ec 00000000 dbd7d500 c033d0a4 00000000 00000000 00000000"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.369508] 1f60: dc159ebc dbd7d680 dc1f0000 dbd7d500 dc159ebc dbd7d69c dc934380 c0337208"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.361177] 1f40: dc934380 dda07540 dc934398 dda07558 ffffe000 c0a02d00 00000008 c033754c"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.352842] 1f20: dcc200b8 dc934380 dda07540 dda0a400 00000000 c0337050 dda07558 ffffe000"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.344509] 1f00: dcc200b8 00000000 dcc20084 dcc34200 c0a1f0c4 00000000 00000000 c0654728"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.336176] 1ee0: dcc20080 dcc34200 dcc20080 dcc20100 dcc20100 dcc1e300 00000000 c0653b84"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.327843] 1ec0: 000927c0 00000000 dda07540 c065176c 00000002 0005dc00 000927c0 00000021"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.319509] 1ea0: 00000000 c065507c 00009c40 dcc34200 00000000 c0a61004 00000000 00000001"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.311176] 1e80: 23c34600 dcc1e240 dcc1e25c 00000001 dcc1e280 00000000 dda07540 c065563c"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.302842] 1e60: c0a61004 00000000 dcc1e140 dd7a70a8 23c34600 16e36000 00009c40 dcc34200"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.294510] 1e40: dd7a7100 dda01010 dd7a7080 c0565d0c dd78c200 00000000 dd7a7100 c05ad974"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.286177] 1e20: 00000000 dd640580 dd7a7080 16e36000 23c34600 c0565cb0 dd769bc0 23c34600"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.277843] 1e00: 20000013 c056ee50 dd640580 00000000 23c34600 c05657f0 dd640580 23c34600"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.273562] 1de0:                                                       dd6404d8 00000001"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.266612] Stack: (0xdc1f1df8 to 0xdc1f2000)"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.260710] Process kworker/0:1 (pid: 26572, stack limit = 0xdc1f0210)"
"2020-07-31 22:18:47","emergency","kern","kernel","R7800_AP"," [1438567.112713] Internal error: Oops: 8000000d [#1] SMP ARM"

Jack007 · September 25, 2020, 8:33am

Just to document......
A few days ago my R7800 (as router, on 19.07.4, replaced the -ct drivers for non-ct) crashed with the following in the log.

"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735031.179999] Function entered at [<c07be904>] from [<c056f288>]"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.171776] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.163529] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.155282] bfa0: 00000000 00000000 00000000 c0307c48 00000000 00000000 00000000 00000000"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.147039] bf80: 00000000 c033d1d8 00000000 dac4e680 c033d090 00000000 00000000 00000000"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.138792] bf60: dae49ebc dc5f3e80 db1ca000 dac4e680 dae49ebc dc5f3e9c dbb5c180 c03371f4"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.130545] bf40: dbb5c180 dda07540 dbb5c198 dda07558 ffffe000 c0a02d00 00000008 c0337538"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.122297] bf20: dcc27438 dbb5c180 dda07540 dda0a400 00000000 c033703c dda07558 ffffe000"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.114052] bf00: dcc27438 00000000 dcc27404 dcc3c200 c0a1f0bc 00000000 00000000 c0654d18"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.105805] bee0: dcc27400 dcc3c200 dcc27400 dcc27480 dcc27480 dcc26400 00000000 c0654174"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.097559] bec0: 000927c0 00000000 dda07540 c0651d5c 00000002 0005dc00 000927c0 00000021"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.089312] bea0: 00000000 c065566c 00009c40 dcc3c200 00000000 c0a61004 00000000 00000001"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.081065] be80: 23c34600 dcc26340 dcc2635c 00000001 dcc26380 00000000 dda07540 c0655c2c"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.072819] be60: c0a61004 00000000 dcc26240 dd7af1a8 23c34600 16e36000 00009c40 dcc3c200"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.064572] be40: dd7af200 dda01010 dd7af180 c05660e0 dd790200 00000000 dd7af200 c05adde0"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.056325] be20: 00000000 dd640780 dd7af180 16e36000 23c34600 c0566084 dd769f00 23c34600"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.048079] be00: 20000013 c056f288 dd640780 00000000 23c34600 c0565bc4 dd640780 23c34600"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.043536] bde0:                                                       dd6406d8 00000001"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.037021] Stack: (0xdb1cbdf8 to 0xdb1cc000)"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735031.031202] Process kworker/0:1 (pid: 14265, stack limit = 0xdb1ca210)"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735031.023914] Control: 10c5787d  Table: 5d2a806a  DAC: 00000051"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735031.017318] Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735031.010977] r3 : de806024  r2 : 1fffa6f0  r1 : 00000000  r0 : 00000000"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735031.005682] r7 : dd4dac80  r6 : 9c56c027  r5 : 00000006  r4 : 00000000"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735031.000385] r10: 23c34600  r9 : dd640600  r8 : 16e36000"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.994050] sp : db1cbdf8  ip : 00000000  fp : dd7af228"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.989361] pc : [<c07be904>]    lr : [<c067a5c8>]    psr: 80000013"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.985195] task: dc95e300 task.stack: db1ca000"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.980618] Workqueue: events 0xc0654ce0"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.973911] Hardware name: Generic DT based system"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.964288] CPU: 0 PID: 14265 Comm: kworker/0:1 Not tainted 4.14.195 #0"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.942045]  sd_mod ahci_platform libahci_platform libahci libata scsi_mod ehci_hcd gpio_button_hotplug"
"2020-09-23 03:02:14","warning","kern","kernel","R7800_Router"," [735030.888840] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 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 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 nf_conntrack iptable_mangle iptable_filter ip_tables crc_ccitt compat ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple ohci_platform ohci_hcd phy_qcom_dwc3 ahci ehci_platform"
"2020-09-23 03:02:14","emergency","kern","kernel","R7800_Router"," [735030.885050] Internal error: Oops: 17 [#1] SMP ARM"
"2020-09-23 03:02:14","alert","kern","kernel","R7800_Router"," [735030.882567] [00000000] *pgd=00000000"
"2020-09-23 03:02:14","alert","kern","kernel","R7800_Router"," [735030.875300] pgd = c0204000"
"2020-09-23 03:02:14","alert","kern","kernel","R7800_Router"," [735030.875254] Unable to handle kernel NULL pointer dereference at virtual address 00000000"

Jack007 · October 9, 2020, 11:45am

My R7800 crashed again. For me .4 seems to be less stable than .3.
If somebody knows where to look for the reason of these crashes, please let me know.


"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.234371] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.226993] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.219671] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.212146] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.204815] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.197505] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.190137] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.182680] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.176247] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128997.176077] ath10k_pci 0000:01:00.0: SWBA overrun on vdev 0, skipped old beacon"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128993.168721] Rebooting in 3 seconds.."
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.162805] Function entered at [<c033d1d8>] from [<c0307c48>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.156902] Function entered at [<c0337538>] from [<c033d1d8>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.150999] Function entered at [<c033703c>] from [<c0337538>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.145096] Function entered at [<c0654d18>] from [<c033703c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.139194] Function entered at [<c0654174>] from [<c0654d18>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.133292] Function entered at [<c0651d5c>] from [<c0654174>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.127387] Function entered at [<c0655c2c>] from [<c0651d5c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.121487] Function entered at [<c05adb3c>] from [<c0655c2c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.115582] Function entered at [<c0565f88>] from [<c05adb3c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.109683] Function entered at [<c0563f68>] from [<c0565f88>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.103778] Function entered at [<c07d9294>] from [<c0563f68>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.097963] Function entered at [<c035b39c>] from [<c07d9294>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.089723] Function entered at [<c030bf8c>] from [<c035b39c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.081514] bdc0: 00000000 dda16540 00000001 d9a1bde8 d9a1a000 c035b39c 60000013 ffffffff"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.073269] bda0: 00000000 00000000 ffffe000 ffffe000 00000002 c0a1312c 00000001 dcc26880"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.068024] bd80:                                                       c0a13124 dc777700"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.062112] Exception stack(0xd9a1bd98 to 0xd9a1bde0)"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.056209] Function entered at [<c03014b8>] from [<c030bf8c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.050308] Function entered at [<c030e40c>] from [<c03014b8>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.044404] Function entered at [<c07c1064>] from [<c030e40c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.038675] Function entered at [<c030b390>] from [<c07c1064>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.034513] Function entered at [<c030f1c4>] from [<c030b390>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.029840] Workqueue: events 0xc0654ce0"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.021834] Hardware name: Generic DT based system"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.019322] CPU: 1 PID: 3628 Comm: kworker/1:2 Tainted: G      D         4.14.195 #0"
"2020-10-08 08:53:11","critical","kern","kernel","R7800_Router"," [128993.013944] CPU1: stopping"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128993.009154] Kernel panic - not syncing: Fatal exception"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128993.002912] ---[ end trace be59ffac67fc6bde ]---"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128992.997026] Code: 0a000004 e5903000 e12fff33 e1a06000 (e5940000)"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.991100] Function entered at [<c033d1d8>] from [<c0307c48>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.985196] Function entered at [<c0337538>] from [<c033d1d8>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.979297] Function entered at [<c033703c>] from [<c0337538>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.973391] Function entered at [<c0654d18>] from [<c033703c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.967489] Function entered at [<c0654174>] from [<c0654d18>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.961586] Function entered at [<c0651d5c>] from [<c0654174>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.955685] Function entered at [<c0655c2c>] from [<c0651d5c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.949781] Function entered at [<c05adde0>] from [<c0655c2c>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.943877] Function entered at [<c05660e0>] from [<c05adde0>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.937973] Function entered at [<c0566084>] from [<c05660e0>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.932074] Function entered at [<c0565bc4>] from [<c0566084>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.926258] Function entered at [<c056f288>] from [<c0565bc4>]"
"2020-10-08 08:53:11","warning","kern","kernel","R7800_Router"," [128992.918022] Function entered at [<c07be8f4>] from [<c056f288>]"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128992.909799] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128992.901552] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128992.893305] ffa0: 00000000 00000000 00000000 c0307c48 00000000 00000000 00000000 00000000"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128992.885060] ff80: 00000000 c033d1d8 00000000 dbf73cc0 c033d090 00000000 00000000 00000000"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128992.876813] ff60: d96adebc dc6db080 d952e000 dbf73cc0 d96adebc dc6db09c dbcf1280 c03371f4"
"2020-10-08 08:53:11","emergency","kern","kernel","R7800_Router"," [128992.868565] ff40: dbcf1280 dda07540 dbcf1298 dda07558 ffffe000 c0a02d00 00000008 c0337538"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.860320] ff20: dcc27438 dbcf1280 dda07540 dda0a400 00000000 c033703c dda07558 ffffe000"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.852074] ff00: dcc27438 00000000 dcc27404 dcc3c200 c0a1f0bc 00000000 00000000 c0654d18"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.843827] fee0: dcc27400 dcc3c200 dcc27400 dcc27480 dcc27480 dcc26400 00000000 c0654174"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.835580] fec0: 000927c0 00000000 dda07540 c0651d5c 00000002 0005dc00 000927c0 00000021"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.827335] fea0: 00000000 c065566c 00009c40 dcc3c200 00000000 c0a61004 00000000 00000001"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.819088] fe80: 23c34600 dcc26340 dcc2635c 00000001 dcc26380 00000000 dda07540 c0655c2c"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.810840] fe60: c0a61004 00000000 dcc26240 dd7af1a8 23c34600 16e36000 00009c40 dcc3c200"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.802594] fe40: dd7af200 dda01010 dd7af180 c05660e0 dd790200 00000000 dd7af200 c05adde0"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.794349] fe20: 00000000 dd646780 dd7af180 16e36000 23c34600 c0566084 dd769f00 23c34600"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.786102] fe00: 20000013 c056f288 dd646780 00000000 23c34600 c0565bc4 dd646780 23c34600"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.781645] fde0:                                                       dd6466d8 00000001"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.775129] Stack: (0xd952fdf8 to 0xd9530000)"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.769311] Process kworker/0:2 (pid: 3943, stack limit = 0xd952e210)"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.762022] Control: 10c5787d  Table: 5e6e806a  DAC: 00000051"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.755427] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.749085] r3 : de806024  r2 : 1fffa6f0  r1 : 00000000  r0 : b57e5670"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.743791] r7 : dd4dac80  r6 : b57e5670  r5 : 00000006  r4 : 59e67306"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.738494] r10: 23c34600  r9 : dd646600  r8 : 16e36000"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.732159] sp : d952fdf8  ip : 00000000  fp : dd7af228"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.727469] pc : [<c07be8f4>]    lr : [<c067a5c8>]    psr: a0000013"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.723304] task: dc777700 task.stack: d952e000"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.718463] Workqueue: events 0xc0654ce0"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.712105] Hardware name: Generic DT based system"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.702483] CPU: 0 PID: 3943 Comm: kworker/0:2 Not tainted 4.14.195 #0"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.680235]  sd_mod ahci_platform libahci_platform libahci libata scsi_mod ehci_hcd gpio_button_hotplug"
"2020-10-08 08:53:10","warning","kern","kernel","R7800_Router"," [128992.627121] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 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 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 nf_conntrack iptable_mangle iptable_filter ip_tables crc_ccitt compat ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple ohci_platform ohci_hcd phy_qcom_dwc3 ahci ehci_platform"
"2020-10-08 08:53:10","emergency","kern","kernel","R7800_Router"," [128992.623315] Internal error: Oops: 5 [#1] SMP ARM"
"2020-10-08 08:53:10","alert","kern","kernel","R7800_Router"," [128992.620522] [59e67306] *pgd=00000000"
"2020-10-08 08:53:10","alert","kern","kernel","R7800_Router"," [128992.614446] pgd = c0204000"
"2020-10-08 08:53:10","alert","kern","kernel","R7800_Router"," [128992.614407] Unable to handle kernel paging request at virtual address 59e67306"

rbeede · October 21, 2020, 2:31pm

For your log entry with the emergency rebooting in 3 seconds right after ath10k_pci I'd guess that the errors after the Rebooting in 3 seconds are a failed reboot attempt from the kernel being hung on hardware waiting.
I'd recommend resetting your routers configuration to defaults especially the wireless settings since my guess is the wireless driver is causing the crash. It may have a corrupt config setting going into the wireless driver.

I have issues with my router about every 7 days just rebooting unexpectedly. I have system.log going to a USB drive to try to catch why, but I don't get any log messages during the reboot time.

I am on 19.07.4 which gives me great performance but the whole thing just reboots without warning once a week. I verified there are no scheduled tasks either that would reboot it.

Doesn't seem to be power related as other devices on the same UPS don't reboot.

The reboots happen at various times of day, but the last one was middle of night so not much activity other than the usual IoT renewing their DHCP leases.

Any ideas on how to catch more log data?

Crash as at 07:14 but no log activity near then except for dhcp:

Wed Oct 21 07:11:02 2020 daemon.info dnsmasq-dhcp[4233]: DHCPACK(br-lan) 192.168.0.38 28:ed:e0:e7:fb:9e b373ce47c793484ebdea5a35201bfa14
Wed Oct 21 07:11:02 2020 daemon.info dnsmasq-dhcp[4233]: DHCPREQUEST(br-lan) 192.168.0.38 28:ed:e0:e7:fb:9e
Wed Oct 21 07:27:14 2020 daemon.info dnsmasq-dhcp[2100]: DHCPACK(br-lan) 192.168.0.48 64:16:66:6a:d9:63 Nest-Hello-d963

Jack007 · October 21, 2020, 3:29pm

That's almost exactly what i did. I flashed the firmware without saving the settings and configured everything by hand. This R7800 is now more than 12 days without crash (fingers crossed).

Ramon · October 25, 2020, 9:33am

You could add this to /etc/rc.local seemed to have made it more stable for me. No real proof of course.
Im running r14553 about a month now since i flashed it, uptime 29d 17h 27m 18s.

echo ondemand > /sys/devices/system/cpu/cpufreq/policy0/scaling_governor
echo ondemand > /sys/devices/system/cpu/cpufreq/policy1/scaling_governor
echo 800000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
echo 800000 > /sys/devices/system/cpu/cpufreq/policy1/scaling_min_freq
echo 75 > /sys/devices/system/cpu/cpufreq/ondemand/up_threshold
echo 10 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor

Jack007 · October 25, 2020, 11:53am

I saw this used in the NSS driver and r7800 performance discussion.
I'll give it a go.

I guess a reboot is at order?

Thanks.

Ramon · October 25, 2020, 12:58pm

You could just execute the commands above before adding it to rc.local
By adding it to rc.local, it is executed every time you reboot.

Oh almost forgot to add, there are different versions of that, some people run with the governor on performance as well I think (check the forum for different settings)

system · November 4, 2020, 12:58pm

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