[FS#3867] Kernel crash on Openwrt 21.02RC2 on Xioami Mi 4A Gigabit edition

[OpenWrt Bugs]

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A new Flyspray task has been opened.  Details are below. 

User who did this - michael at guruit.co.il (michaelguru) 

Attached to Project - OpenWrt/LEDE Project
Summary - Kernel crash on Openwrt 21.02RC2 on Xioami Mi 4A Gigabit edition
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Stock version of 21.02RC2 release with no extras installed.
Wifi currently disabled.
Seemingly at random dmesg registered two kernel crashes with identical information.

WARNING: CPU: 0 PID: 0 at kernel/kthread.c:75 0x8004ce48[25144.037436] WARNING: CPU: 0 PID: 0 at kernel/kthread.c:75 0x8004ce48
[25144.043755] Modules linked in: pppoe ppp_async iptable_nat xt_state xt_nat xt_conntrack xt_REDIRECT xt_MASQUERADE xt_FLOWOFFLOAD xt_CT pppox ppp_generic nf_nat nf_flow_table_hw nf_flow_table nf_conntrack mt76x2e mt76x2_common mt76x02_lib mt7603e mt76 mac80211 ipt_REJECT cfg80211 xt_time xt_tcpudp xt_multiport xt_mark xt_mac xt_limit xt_comment xt_TCPMSS xt_LOG slhc nf_reject_ipv4 nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables crc_ccitt compat nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 leds_gpio gpio_button_hotplug
[25144.097544] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.119 #0
[25144.103519] Stack : 00000000 80840000 00000001 8007d9c0 00000000 00000000 00000000 00000000
[25144.111839] 00000000 00000000 00000000 00000000 00000000 00000001 87c0dcd0 031d9b3c
[25144.120157] 87c0dd68 00000000 00000000 00000000 00000038 805e3744 342e3520 3931312e
[25144.128476] 00000000 000004e2 00000000 00017d08 00000000 87c0dcb0 00000000 8004ce48
[25144.136795] 00000009 00000000 005ec5f2 8103043c 00000003 8035ad8c 00000000 80810000
[25144.145114] ...
[25144.147544] Call Trace:
[25144.147552] [] 0x8007d9c0
[25144.153446] [] 0x805e3744
[25144.156915] [] 0x8004ce48
[25144.160384] [] 0x8035ad8c
[25144.163852] [] 0x8000b05c
[25144.167322] [] 0x8000b064
[25144.170791] [] 0x806e0000
[25144.174259] [] 0x805c910c
[25144.177727] [] 0x8007a468
[25144.181198] [] 0x8002c140
[25144.184665] [] 0x8004ce48
[25144.188132] [] 0x8002c1e8
[25144.191612] [] 0x8004ce48
[25144.195088] [] 0x8005b6dc
[25144.198560] [] 0x80051f44
[25144.202033] [] 0x800646bc
[25144.205506] [] 0x8007487c
[25144.208987] [] 0x80065198
[25144.212466] [] 0x805e9c5c
[25144.215943] [] 0x800308c0
[25144.219416] [] 0x802f8ff4
[25144.222891] [] 0x80006c28
[25144.226359]
[25144.227843] ---[ end trace 76aca7e096c99128 ]---

After this happens the router continues to work (it doesn't reboot).


 

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3867

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