[OpenWrt-Devel] master (mvebu): irq 77: nobody cared

[Rui Salvaterra]

Hi, guys,

After some time, the pca953x on my Turris Omnia decides it's not
having any more of it.
I thought I had screwed up my configuration somewhere, so I installed
the current (r13563-69e7d14e1b) snapshot and tried to reproduce the
issue. Stack trace follows.

[12865.018034] irq 77: nobody cared (try booting with the "irqpoll" option)
[12865.024759] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.45 #0
[12865.030690] Hardware name: Marvell Armada 380/385 (Device Tree)
[12865.036633] [<c010ee8c>] (unwind_backtrace) from [<c010aff4>]
(show_stack+0x10/0x14)
[12865.044398] [<c010aff4>] (show_stack) from [<c0730298>]
(dump_stack+0x94/0xa8)
[12865.051639] [<c0730298>] (dump_stack) from [<c0173cb8>]
(__report_bad_irq+0x3c/0xc0)
[12865.059401] [<c0173cb8>] (__report_bad_irq) from [<c0173f3c>]
(note_interrupt+0x114/0x2b4)
[12865.067688] [<c0173f3c>] (note_interrupt) from [<c0170d44>]
(handle_irq_event_percpu+0x58/0x64)
[12865.076408] [<c0170d44>] (handle_irq_event_percpu) from
[<c0170d94>] (handle_irq_event+0x44/0x68)
[12865.085302] [<c0170d94>] (handle_irq_event) from [<c01749c4>]
(handle_level_irq+0xc4/0x14c)
[12865.093673] [<c01749c4>] (handle_level_irq) from [<c016fe90>]
(generic_handle_irq+0x24/0x34)
[12865.102132] [<c016fe90>] (generic_handle_irq) from [<c042df6c>]
(mvebu_gpio_irq_handler+0xc4/0x160)
[12865.111199] [<c042df6c>] (mvebu_gpio_irq_handler) from [<c016fe90>]
(generic_handle_irq+0x24/0x34)
[12865.120179] [<c016fe90>] (generic_handle_irq) from [<c0170488>]
(__handle_domain_irq+0x5c/0xb4)
[12865.128900] [<c0170488>] (__handle_domain_irq) from [<c0419934>]
(gic_handle_irq+0x4c/0x90)
[12865.137271] [<c0419934>] (gic_handle_irq) from [<c0101a8c>]
(__irq_svc+0x6c/0x90)
[12865.144769] Exception stack(0xc0b01f30 to 0xc0b01f78)
[12865.149832] 1f20:                                     00000000
072e7da0 eedd98f4 c01146a0
[12865.158028] 1f40: ffffe000 c0b03e68 c0b03ea8 00000001 00000000
c0a47528 c0b0dd34 00000000
[12865.166224] 1f60: 00000000 c0b01f80 c01083e8 c01083ec 60000013 ffffffff
[12865.172858] [<c0101a8c>] (__irq_svc) from [<c01083ec>]
(arch_cpu_idle+0x38/0x3c)
[12865.180275] [<c01083ec>] (arch_cpu_idle) from [<c0150800>]
(do_idle+0x1a4/0x1dc)
[12865.187690] [<c0150800>] (do_idle) from [<c0150ac8>]
(cpu_startup_entry+0x18/0x1c)
[12865.195281] [<c0150ac8>] (cpu_startup_entry) from [<c0a00ebc>]
(start_kernel+0x550/0x564)
[12865.203475] handlers:
[12865.205754] [<1dcc285b>] irq_default_primary_handler threaded
[<9350caa2>] pca953x_irq_handler
[12865.214387] Disabling IRQ #77

Any ideas about what could cause this?

Cheers,
Rui

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