[FS#606] Stall on Mediatek

[LEDE Bugs]

The following task has a new comment added:

FS#606 - Stall on Mediatek
User who did this - Karoly Kovacs (karesch)

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[ 1317.440000] INFO: rcu_sched detected stalls on CPUs/tasks:
[ 1317.450000] 	2-...: (0 ticks this GP) idle=997/1/0 softirq=76940/76940 fqs=1 
[ 1317.460000] 	(detected by 1, t=24009 jiffies, g=32609, c=32608, q=19485)
[ 1317.470000] Task dump for CPU 2:
[ 1317.480000] swapper/2       R running      0     0      1 0x00100000
[ 1317.490000] Stack : 00000000 00000001 06f85030 05080000 3fff0000 00000000 804b72a4 80460000
[ 1317.490000] 	  8046675c 00000001 00000000 804665e0 80466724 80460000 40000000 800134fc
[ 1317.490000] 	  1100fc03 00000002 87c72000 87c73ec0 80460000 8005dc48 1100fc03 00000002
[ 1317.490000] 	  00000000 80460000 c0800400 80013514 80460000 8001b0c8 1100fc03 00000000
[ 1317.490000] 	  00000004 804664a0 000000a0 8001b0d0 00000000 00000000 00000000 00000000
[ 1317.490000] 	  ...
[ 1317.560000] Call Trace:
[ 1317.570000] [] __schedule+0x574/0x758
[ 1317.580000] [] r4k_wait_irqoff+0x0/0x20
[ 1317.590000] 
[ 1317.590000] rcu_sched kthread starved for 18003 jiffies! g32609 c32608 f0x0 s3 ->state=0x1
[ 1377.630000] INFO: rcu_sched detected stalls on CPUs/tasks:
[ 1377.640000] 	2-...: (0 ticks this GP) idle=117/1/0 softirq=76940/76940 fqs=0 
[ 1377.650000] 	(detected by 3, t=6004 jiffies, g=32610, c=32609, q=23765)
[ 1377.660000] Task dump for CPU 2:
[ 1377.670000] swapper/2       R running      0     0      1 0x00100000
[ 1377.680000] Stack : 00000000 00000001 05eaf910 05080000 3fff0000 00000000 804b72a4 80460000
[ 1377.680000] 	  8046675c 00000001 00000000 804665e0 80466724 80460000 40000000 800134fc
[ 1377.680000] 	  1100fc03 00000002 87c72000 87c73ec0 80460000 8005dc48 1100fc03 00000002
[ 1377.680000] 	  00000000 80460000 804b72a4 8005dc40 80460000 8001b0c8 1100fc03 00000000
[ 1377.680000] 	  00000004 804664a0 000000a0 8001b0d0 00000000 00000000 00000000 00000000
[ 1377.680000] 	  ...
[ 1377.750000] Call Trace:
[ 1377.760000] [] __schedule+0x574/0x758
[ 1377.770000] [] r4k_wait_irqoff+0x0/0x20
[ 1377.780000] 
[ 1377.780000] rcu_sched kthread starved for 6017 jiffies! g32610 c32609 f0x0 s3 ->state=0x1

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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=606#comment2195