[FS#3537] ramips-mt7621: rcu_sched self-detected stall on CPU
OpenWrt Bugs
openwrt-bugs at lists.openwrt.org
Thu Feb 25 14:16:47 EST 2021
THIS IS AN AUTOMATED MESSAGE, DO NOT REPLY.
The following task has a new comment added:
FS#3537 - ramips-mt7621: rcu_sched self-detected stall on CPU
User who did this - P (pijetja)
----------
Same problem on:Model
Xiaomi Mi Router 3G
MediaTek MT7621 ver:1 eco:3
OpenWrt 19.07-SNAPSHOT r11312-e9c0c5021c / LuCI openwrt-19.07 branch git-21.050.37945-c33df8f
Kernel:
4.14.221
I have to disable hw_nat
Tue Feb 9 15:22:25 2021 kern.err kernel: [207215.882941] INFO: rcu_sched self-detected stall on CPU
Tue Feb 9 15:22:25 2021 kern.err kernel: [207215.888318] 3-...: (1 GPs behind) idle=266/140000000000001/0 softirq=11508153/11508154 fqs=3000
Tue Feb 9 15:22:25 2021 kern.err kernel: [207215.897284] (t=6001 jiffies g=5024083 c=5024082 q=1517)
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.902861] NMI backtrace for cpu 3
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.906463] CPU: 3 PID: 26575 Comm: kworker/3:0 Not tainted 4.14.216 #0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.913189] Workqueue: events_power_efficient 0x8e700cac [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.921331] Stack : 00000000 00000000 804d8568 8fc0fd24 00000000 00000000 00000000 00000000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.929767] 00000000 00000000 00000000 00000000 00000000 00000001 8fc0fce0 1cc28238
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.938201] 8fc0fd78 00000000 00000000 000085a0 00000038 8049e238 00000008 00000000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.946635] 00000000 80550000 000def25 61745f77 8fc0fcc0 00000000 00000000 00000003
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.955070] 80554500 8054c0cc 000000e0 80550000 00000000 802ae5d0 0000000c 806b000c
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.963505] ...
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.966031] Call Trace:
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.966128] [] 0x8049e238
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.972220] [] 0x802ae5d0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.975796] [] 0x8000c1a0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.979358] [] 0x8000c1a8
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.982919] [] 0x80487074
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.986480] [] 0x80072ce4
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.990041] [] 0x8048e094
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.993602] [] 0x80008f30
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207215.997165] [] 0x80008f30
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.000725] [] 0x8048e180
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.004288] [] 0x80086678
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.007866] [] 0x80085ac8
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.011473] [] 0x8e700000 [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.017798] [] 0x80089238
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.021360] [] 0x8009a288
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.024922] [] 0x8025c330
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.028484] [] 0x80332b94
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.032045] [] 0x80077f64
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.035606] [] 0x800793b8
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.039167] [] 0x80078360
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.042730] [] 0x80073670
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.046292] [] 0x8025c118
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.049852] [] 0x8025bfc4
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.053416] [] 0x8025c184
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.056978] [] 0x80073670
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.060540] [] 0x804a4efc
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.064100] [] 0x8025b840
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.067675] [] 0x80007488
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.071233]
Tue Feb 9 15:22:25 2021 kern.err kernel: [207216.072816] INFO: rcu_sched detected stalls on CPUs/tasks:
Tue Feb 9 15:22:25 2021 kern.err kernel: [207216.078465] 3-...: (1 GPs behind) idle=266/140000000000000/0 softirq=11508153/11508154 fqs=3001
Tue Feb 9 15:22:25 2021 kern.err kernel: [207216.087434] (detected by 2, t=6020 jiffies, g=5024083, c=5024082, q=1518)
Tue Feb 9 15:22:25 2021 kern.info kernel: [207216.094500] Sending NMI from CPU 2 to CPUs 3:
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.098978] NMI backtrace for cpu 3
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.102544] CPU: 3 PID: 26575 Comm: kworker/3:0 Not tainted 4.14.216 #0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.109238] Workqueue: events_power_efficient 0x8e700cac [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.117383] task: 8fe69320 task.stack: 8d0f2000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.121976] $ 0 : 00000000 00000001 00000000 00000000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.127283] $ 4 : 00000006 00100000 013baeda 013baeda
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.132590] $ 8 : 0000ffff ffff0000 00000002 fffffffe
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.137896] $12 : 80553530 00000040 ffffffff 0000a5ce
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.143203] $16 : 8e6eb27c 81241320 8054c1e8 00100000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.148511] $20 : 805ab344 8e6eb2fc 80550000 8056dba0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.153818] $24 : 3b9aca00 00000000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.159125] $28 : 8d0f2000 8d0f3dc8 8e700000 8006bf20
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.164433] Hi : 00000133
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.167384] Lo : 33333380
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.170338] epc : 8006bfbc 0x8006bfbc
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.174244] ra : 8006bf20 0x8006bf20
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.178146] Status: 11007c03 KERNEL EXL IE
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.182413] Cause : 50800400 (ExcCode 00)
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.186491] PrId : 0001992f (MIPS 1004Kc)
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.190659] CPU: 3 PID: 26575 Comm: kworker/3:0 Not tainted 4.14.216 #0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.197340] Workqueue: events_power_efficient 0x8e700cac [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.205481] Stack : 00000000 00000000 804d8568 8fc0fd64 00000000 00000000 00000000 00000000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.213916] 00000000 00000000 00000000 00000000 00000000 00000001 8fc0fd20 1cc28238
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.222350] 8fc0fdb8 00000000 00000000 00009270 00000038 8049e238 00000008 00000000
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.230785] 00000000 80550000 000302dc 61745f77 8fc0fd00 00000000 00000000 00000003
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.239220] 804dfe64 8053f5a0 804dda54 80550000 00000000 802ae5d0 0000000c 806b000c
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.247655] ...
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.250181] Call Trace:
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.250246] [] 0x8049e238
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.256338] [] 0x802ae5d0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.259913] [] 0x8000c1a0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.263474] [] 0x8000c1a8
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.267034] [] 0x80487074
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.270608] [] 0x8000c264
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.274169] [] 0x8048e074
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.277731] [] 0x80009044
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.281290] [] 0x80009054
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.284864] [] 0x80059f5c
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.288423] [] 0x800a1860
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.291983] [] 0x80085f80
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.295559] [] 0x80011860
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.299146] [] 0x8e700000 [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.305471] [] 0x80074210
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.309072] [] 0x8e700000 [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.315397] [] 0x80074344
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.318959] [] 0x800743e8
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.322518] [] 0x80332b94
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.326078] [] 0x80077f64
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.329638] [] 0x800785a0
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.333198] [] 0x80078360
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.336771] [] 0x80073670
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.340331] [] 0x80073670
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.343892] [] 0x8025c118
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.347451] [] 0x8025bfc4
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.351013] [] 0x8025c184
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.354574] [] 0x80073670
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.358135] [] 0x804a4efc
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.361696] [] 0x8025b840
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.365271] [] 0x80007488
Tue Feb 9 15:22:25 2021 kern.warn kernel: [207216.368828]
Tue Feb 9 15:25:38 2021 kern.err kernel: [207395.931367] INFO: rcu_sched self-detected stall on CPU
Tue Feb 9 15:25:38 2021 kern.err kernel: [207395.936732] 3-...: (1 GPs behind) idle=266/140000000000001/0 softirq=11508153/11508154 fqs=10519
Tue Feb 9 15:25:38 2021 kern.err kernel: [207395.945785] (t=24006 jiffies g=5024083 c=5024082 q=6524)
Tue Feb 9 15:25:38 2021 kern.err kernel: [207395.951353] INFO: rcu_sched detected stalls on CPUs/tasks:
Tue Feb 9 15:25:38 2021 kern.err kernel: [207395.951428] rcu_sched kthread starved for 2925 jiffies! g5024083 c5024082 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1
Tue Feb 9 15:25:38 2021 kern.err kernel: [207395.951453] 3-...: (1 GPs behind) idle=266/140000000000001/0 softirq=11508153/11508154 fqs=10519
Tue Feb 9 15:25:38 2021 kern.info kernel: [207395.956980] rcu_sched I
Tue Feb 9 15:25:38 2021 kern.err kernel: [207395.967788]
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207395.976789] 0 8 2 0x00100000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207395.979823] (detected by 2, t=24009 jiffies, g=5024083, c=5024082, q=6524)
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207395.981464] Stack :
Tue Feb 9 15:25:38 2021 kern.info kernel: [207395.985542] Sending NMI from CPU 2 to CPUs 3:
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207395.992455] 8fc57e38 8fc3aca0 8fc57e38 8fc57e38 8fc57e38 80550000 81223380 00000000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.006855] 81240da0 80052c28 013bf60b 81223380 8fc57e38 80550000 81223380 00000000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.015291] 00000003 8054c1e8 80554610 804a05b8 8fc57e38 80550000 80550000 00000000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.023728] 00000003 804a3dd0 80550000 00000000 8fc57ebc 800682b8 00000000 00000001
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.032164] 00000000 81223408 013bf60b 800887c0 8fc3aca0 03000001 80554500 00000000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.040601] ...
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.043128] Call Trace:
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.043252] [] 0x80052c28
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.049341] [] 0x804a05b8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.052915] [] 0x804a3dd0
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.056488] [] 0x800682b8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.060051] [] 0x800887c0
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.063626] [] 0x80084ce4
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.067214] [] 0x80080000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.070775] [] 0x80081d2c
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.074403] [] 0x80084784
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.077963] [] 0x8004c108
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.081523] [] 0x8004bfd8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.085108] [] 0x8004bfd8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.088694] [] 0x8004bfd8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.092255] [] 0x80006f78
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207396.095828]
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.542994] NMI backtrace for cpu 3
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.546644] CPU: 3 PID: 26575 Comm: kworker/3:0 Not tainted 4.14.216 #0
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.553461] Workqueue: events_power_efficient 0x8e700cac [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.561676] Stack : 00000000 00000000 804d8568 8fc0fd24 00000000 00000000 00000000 00000000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.570319] 00000000 00000000 00000000 00000000 00000000 00000001 8fc0fce0 1cc28238
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.578961] 8fc0fd78 00000000 00000000 0000a208 00000038 8049e238 00000008 00000000
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.587605] 00000000 80550000 000871f5 61745f77 8fc0fcc0 00000000 00000000 00000003
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.596251] 80554500 8054c0cc 000000e0 80550000 00000000 802ae5d0 0000000c 806b000c
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.604900] ...
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.607499] Call Trace:
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.607761] [] 0x8049e238
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.614019] [] 0x802ae5d0
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.617715] [] 0x8000c1a0
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.621351] [] 0x8000c1a8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.624982] [] 0x80487074
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.628611] [] 0x80072ce4
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.632250] [] 0x8048e094
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.635880] [] 0x80008f30
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.639577] [] 0x80008f30
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.643204] [] 0x8048e180
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.646832] [] 0x804a4b34
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.650471] [] 0x80086678
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.654100] [] 0x8008658c
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.657746] [] 0x80085ac8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.661467] [] 0x8e700000 [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.668064] [] 0x8e700000 [nf_flow_table at 8e700000+0x3370]
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.674462] [] 0x80089238
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.678101] [] 0x8009a288
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.681737] [] 0x8025c330
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.685372] [] 0x80332b94
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.689001] [] 0x80077f64
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.692633] [] 0x800793b8
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.696261] [] 0x80078360
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.699904] [] 0x80073670
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.703536] [] 0x8025c118
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.707164] [] 0x8025bfc4
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.710807] [] 0x8025c184
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.714443] [] 0x80073670
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.718079] [] 0x804a4efc
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.721714] [] 0x8025b840
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.725413] [] 0x80007488
Tue Feb 9 15:25:38 2021 kern.warn kernel: [207399.729023]
Tue Feb 9 15:25:39 2021 kern.info kernel: [207400.640099] mtk_soc_eth 1e100000.ethernet eth0: port 3 link down
Tue Feb 9 15:25:47 2021 kern.info kernel: [207408.858280] mtk_soc_eth 1e100000.ethernet eth0: port 3 link up
Tue Feb 9 15:26:21 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED bc:17:b8:34:93:ec
----------
More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3537#comment9411
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