On Mon, 16 Dec 2013, Rafał Miłecki wrote: > I've just realized I didn't explain my problem fully, I'm sorry! This > single warning about not handled IRQ isn't a real problem. The issue > is that I'm spammed with such messages until hardware reboots itself. > > [ 7.244000] irq 5: nobody cared (try booting with the "irqpoll" option) > [ 7.244000] CPU: 0 PID: 154 Comm: kmodloader Not tainted 3.10.18 #28 > [ 7.244000] Stack : 00000006 00000000 00000000 00000000 00000000 > 00000000 804ed0a6 00000038 > 838b52e0 8028f2dc 804cd018 802dd23b 0000009a 802e0000 > 00000000 802e0000 > 80293268 8001f0f0 802e0000 8001ca30 00000000 00000000 > 80290bbc 82d439fc > 82d43900 00000000 00000000 00000000 00000000 00000000 > 00000000 00000000 > 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 82d43988 > ... > [ 7.244000] Call Trace: > [ 7.244000] [<80011d3c>] show_stack+0x48/0x70 > [ 7.244000] [<8005a114>] __report_bad_irq+0x44/0xec > [ 7.244000] [<8005a6e8>] note_interrupt+0x25c/0x314 > [ 7.244000] [<800587d4>] handle_irq_event_percpu+0x224/0x268 > [ 7.244000] [<8005b4c0>] handle_percpu_irq+0x54/0x88 > [ 7.244000] [<80057f58>] generic_handle_irq+0x3c/0x4c > [ 7.244000] [<8000ea38>] do_IRQ+0x1c/0x2c > [ 7.244000] [<8000a9e8>] plat_irq_dispatch+0x90/0xb8 > [ 7.244000] [<80001444>] ret_from_irq+0x0/0x4 > [ 7.244000] [<80130934>] arch_local_irq_restore+0x24/0x30 > [ 7.244000] [<80059c18>] __setup_irq+0x494/0x5c4 > [ 7.244000] [<80059e48>] request_threaded_irq+0x100/0x15c > [ 7.244000] [<82e4770c>] usb_add_hcd+0x448/0x908 [usbcore] > [ 7.244000] [<82e2126c>] 0x82e2126c > [ 7.244000] > [ 7.244000] handlers: > [ 7.244000] [<82e466e8>] usb_hcd_irq [usbcore] > [ 7.244000] Disabling IRQ #5 > [ 7.968000] irq 5: nobody cared (try booting with the "irqpoll" option) > [ 7.968000] CPU: 0 PID: 154 Comm: kmodloader Not tainted 3.10.18 #28 > [ 7.968000] Stack : 00000006 00000000 00000000 00000000 00000000 > 00000000 804ed0a6 00000038 > 838b52e0 8028f2dc 804cd018 802dd23b 0000009a 802e0000 > 00000000 802e0000 > 80293268 8001f0f0 802e0000 8001ca30 00000000 00000000 > 80290bbc 82d439fc > 82d43900 00000000 00000000 00000000 00000000 00000000 > 00000000 00000000 > 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 82d43988 > ... > [ 7.968000] Call Trace: > [ 7.968000] [<80011d3c>] show_stack+0x48/0x70 > [ 7.968000] [<8005a114>] __report_bad_irq+0x44/0xec > [ 7.968000] [<8005a6e8>] note_interrupt+0x25c/0x314 > [ 7.968000] [<800587d4>] handle_irq_event_percpu+0x224/0x268 > [ 7.968000] [<8005b4c0>] handle_percpu_irq+0x54/0x88 > [ 7.968000] [<80057f58>] generic_handle_irq+0x3c/0x4c > [ 7.968000] [<8000ea38>] do_IRQ+0x1c/0x2c > [ 7.968000] [<8000a9e8>] plat_irq_dispatch+0x90/0xb8 > [ 7.968000] [<80001444>] ret_from_irq+0x0/0x4 > [ 7.968000] [<80130934>] arch_local_irq_restore+0x24/0x30 > [ 7.968000] [<80059c18>] __setup_irq+0x494/0x5c4 > [ 7.968000] [<80059e48>] request_threaded_irq+0x100/0x15c > [ 7.968000] [<82e4770c>] usb_add_hcd+0x448/0x908 [usbcore] > [ 7.968000] [<82e2126c>] 0x82e2126c > [ 7.968000] > [ 7.968000] handlers: > [ 7.968000] [<82e466e8>] usb_hcd_irq [usbcore] > [ 7.968000] Disabling IRQ #5 > [ 8.688000] irq 5: nobody cared (try booting with the "irqpoll" option) > [ 8.688000] CPU: 0 PID: 154 Comm: kmodloader Not tainted 3.10.18 #28 > [ 8.688000] Stack : 00000006 00000000 00000000 00000000 00000000 > 00000000 804ed0a6 00000038 > 838b52e0 8028f2dc 804cd018 802dd23b 0000009a 802e0000 > 00000000 802e0000 > 80293268 8001f0f0 802e0000 8001ca30 00000000 00000000 > 80290bbc 82d439fc > 82d43900 00000000 00000000 00000000 00000000 00000000 > 00000000 00000000 > 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 82d43988 > ... > [ 8.688000] Call Trace: > [ 8.688000] [<80011d3c>] show_stack+0x48/0x70 > [ 8.688000] [<8005a114>] __report_bad_irq+0x44/0xec > [ 8.688000] [<8005a6e8>] note_interrupt+0x25c/0x314 > [ 8.688000] [<800587d4>] handle_irq_event_percpu+0x224/0x268 > [ 8.688000] [<8005b4c0>] handle_percpu_irq+0x54/0x88 > [ 8.688000] [<80057f58>] generic_handle_irq+0x3c/0x4c > [ 8.688000] [<8000ea38>] do_IRQ+0x1c/0x2c > [ 8.688000] [<8000a9e8>] plat_irq_dispatch+0x90/0xb8 > [ 8.688000] [<80001444>] ret_from_irq+0x0/0x4 > [ 8.688000] [<80130934>] arch_local_irq_restore+0x24/0x30 > [ 8.688000] [<80059c18>] __setup_irq+0x494/0x5c4 > [ 8.688000] [<80059e48>] request_threaded_irq+0x100/0x15c > [ 8.688000] [<82e4770c>] usb_add_hcd+0x448/0x908 [usbcore] > [ 8.688000] [<82e2126c>] 0x82e2126c > [ 8.688000] > [ 8.688000] handlers: > [ 8.688000] [<82e466e8>] usb_hcd_irq [usbcore] > [ 8.688000] Disabling IRQ #5 > > And so on... Well, that's not supposed to happen. After IRQ #5 has been disabled, it's supposed to stay disabled. I have no idea why it gets enabled again. Whatever the reason is, it has nothing to do with the USB stack. You might try asking the OpenWRT developers about it. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
