I get a problem and want to get an answer .
Linux version 4.9.37
hardware is Soc with arm cpu inside.
when it boots up, the error reports like :
irq 45: nobody cared (try booting with the "irqpoll" option)
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.9.37 #9
Hardware name: xxxDEMO Board (DT)
Call trace:
[<ffffff8008088de8>] dump_backtrace+0x0/0x198
[<ffffff800808908c>] show_stack+0x14/0x20
[<ffffff8008338424>] dump_stack+0x94/0xb8
[<ffffff80080e3cf0>] __report_bad_irq+0x38/0xe8
[<ffffff80080e4074>] note_interrupt+0x20c/0x2e0
[<ffffff80080e12e4>] handle_irq_event_percpu+0x44/0x58
[<ffffff80080e133c>] handle_irq_event+0x44/0x78
[<ffffff80080e4cb4>] handle_fasteoi_irq+0xb4/0x1c0
[<ffffff80080e030c>] generic_handle_irq+0x24/0x38
[<ffffff80080e098c>] __handle_domain_irq+0x5c/0xb0
[<ffffff8008080f8c>] gic_handle_irq+0x64/0xc0
Exception stack(0xffffffc023b7ee10 to 0xffffffc023b7ef40)
ee00: ffffffc023b7ee40 0000007fffffffff
ee20: ffffffc023b7ef70 ffffff800809fe3c 0000000040000005 ffffff8008880000
ee40: 0000000000000000 0000000000000000 00000000fffb6edd ffffff800851d318
ee60: 000000000ccccccd 0000000000000020 0000000003687eb1 0000000000000066
ee80: 0000000000000008 0000000200000000 0000000000000002 7fffffffffffffff
eea0: 0000000000000000 0000000029a9e4c0 000000000000c350 0000000000000033
eec0: 0000000000000019 0000000000000001 0000000000000007 ffffff8008858000
eee0: ffffff8008856b08 0000000000000000 ffffff80088dc600 ffffffc022408000
ef00: ffffff8008880000 00000000fffb6edb ffffffc023b7f090 ffffff800889a136
ef20: 0000000000000082 ffffffc023b7ef70 ffffff80080a025c ffffffc023b7ef70
[<ffffff80080827ac>] el1_irq+0xac/0x140
[<ffffff80080a025c>] irq_exit+0x94/0xb8
[<ffffff80080e0990>] __handle_domain_irq+0x60/0xb0
[<ffffff8008080f8c>] gic_handle_irq+0x64/0xc0
Exception stack(0xffffff8008883df0 to 0xffffff8008883f20)
3de0: 0000000000000000 0000000000000000
3e00: ffffffc023b7fbcc 000000401b329000 0000000000000080 0100000000000000
3e20: 0000000000000155 00000000fffb6ed5 ffffff800888d300 ffffff8008880000
3e40: 0000000000000820 ffffff800885a000 ffffffc021c90080 0000000000000002
3e60: 0000000000000001 dead000000000100 0000000000000019 0000000000000001
3e80: ffffff80088e4578 ffffff8008880000 ffffff8008887240 ffffff80088871a8
3ea0: 0000000000000001 ffffff8008880000 ffffff8008880000 0000000000000001
3ec0: ffffff8008887000 ffffff800889a136 0000000044820018 ffffff8008883f20
3ee0: ffffff8008084eac ffffff8008883f20 ffffff8008084eb0 0000000060000005
3f00: ffffff8008883f20 ffffff8008653cbc ffffffffffffffff ffffff80080d3cf4
[<ffffff80080827ac>] el1_irq+0xac/0x140
[<ffffff8008084eb0>] arch_cpu_idle+0x10/0x18
[<ffffff80080d3d80>] cpu_startup_entry+0xd0/0x140
[<ffffff8008652ab4>] rest_init+0x6c/0x78
[<ffffff8008820aa4>] start_kernel+0x2dc/0x2f0
[<ffffff80088201e0>] __primary_switched+0x5c/0x64
handlers:
[<ffffff8008422710>] nvme_irq
Disabling IRQ #45
but the other brand 'KingBand ' works well on this platform.
any reply will be appreciated.
Regards,
JiaGang