[FS#473] ath9k unstable - kernel panic every ~5 minutes

[LEDE Bugs]

The following task has a new comment added:

FS#473 - ath9k unstable - kernel panic every ~5 minutes
User who did this - Mauro Mozzarelli (ezplanet)

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Here is BT Home Hub 5 crash log from Task#471 which is related to ath9k ATF:

Below are the last instances of the error, attached is the full log until the crash.


_wait_irqoff+0x0/0x20
[28469.624860] 
[28576.018891] INFO: rcu_sched self-detected stall on CPU
[28576.022606] 	0-...: (1 GPs behind) idle=e1d/2/0 softirq=2733267/2733268 fqs=1765830 
[28576.030321] 	 (t=1770117 jiffies g=225616 c=225615 q=60176)
[28576.035899] Task dump for CPU 0:
[28576.039117] swapper/0       R running      0     0      0 0x00100004
[28576.045468] Stack : 00000000 800732d8 00000000 800732d8 00000000 00000006 00000006 80690000
	  00000000 00000000 00000000 00000000 80696da2 00000000 80696da0 00000000
	  00000000 00000001 80539918 8053d840 8053d840 80530000 00000000 80530000
	  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
	  00000000 00000000 00000000 00000000 00000000 00000000 00000000 dc8ba62e
	  ...
[28576.080978] Call Trace:
[28576.083447] [] show_stack+0x50/0x84
[28576.087805] [] rcu_dump_cpu_stacks+0x98/0xf8
[28576.092933] [] rcu_check_callbacks+0x2d0/0x7d4
[28576.098245] [] update_process_times+0x3c/0x78
[28576.103458] [] tick_sched_timer+0x22c/0x294
[28576.108514] [] __hrtimer_run_queues+0xfc/0x1d4
[28576.113816] [] hrtimer_interrupt+0xfc/0x2c0
[28576.118869] [] c0_compare_interrupt+0x98/0xcc
[28576.124101] [] handle_irq_event_percpu+0x7c/0x1b4
[28576.129668] [] handle_percpu_irq+0x88/0xb8
[28576.134621] [] generic_handle_irq+0x40/0x58
[28576.139667] [] do_IRQ+0x1c/0x2c
[28576.143686] [] plat_irq_dispatch+0xac/0xdc
[28576.148634] [] except_vec_vi_end+0xb4/0xc0
[28576.153578] 
[28649.634218] INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 0-... } 1770742 jiffies s: 309
[28649.642042] Task dump for CPU 0:
[28649.645213] swapper/0       R running      0     0      0 0x00100004
[28649.651596] Stack : 8052bfe0 0000ff00 0000138b 00001390 00000000 00a3ea80 03a5a9e9 ffffffff
	  80530000 805365ec 8053670c 8057f2a4 00000001 80540000 00000001 80540000
	  00000000 80015494 1100ff03 00000000 8052a000 8052be98 804b0000 8006c5d0
	  1100ff03 00000000 0000d400 805365ec 90800400 800154ac 87cc5ad4 800096b4
	  80690000 805793ac 80690000 80530000 80690000 805793ac 87cc0000 87cc5ad4
	  ...
[28649.687077] Call Trace:
[28649.689535] [] __schedule+0x7cc/0x900
[28649.694111] [] r4k_wait_irqoff+0x0/0x20
[28649.698783] 


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One or more files have been attached.

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=473#comment1691