On 2012-07-09 15:54, Clemens Ladisch wrote: > (forwarded to linux-usb) > > Udo van den Heuvel wrote: >> >> One moment the box is runing OK. >> One moment the 3.4.4 kernel decides to disable an interrupt. >> Why? >> >> Jul 8 07:43:49 box3 ntpd[5067]: parse: convert_rawdcf: INCOMPLETE DATA - time code only has 1 bits >> Jul 8 07:44:53 box3 kernel: irq 18: nobody cared (try booting with the "irqpoll" option) >> Jul 8 07:44:53 box3 kernel: Pid: 1501, comm: irq/18-ohci_hcd Tainted: G W 3.4.4 #1 >> Jul 8 07:44:53 box3 kernel: Call Trace: >> Jul 8 07:44:53 box3 kernel: [<ffffffff81095a76>] ? __report_bad_irq+0x36/0xd0 >> Jul 8 07:44:53 box3 kernel: [<ffffffff81095d7f>] ? note_interrupt+0x1cf/0x220 >> Jul 8 07:44:53 box3 kernel: [<ffffffff810945c0>] ? irq_thread_fn+0x40/0x40 >> Jul 8 07:44:53 box3 kernel: [<ffffffff8109443d>] ? irq_thread+0x13d/0x180 >> Jul 8 07:44:53 box3 kernel: [<ffffffff81094300>] ? wake_threads_waitq+0x50/0x50 >> Jul 8 07:44:53 box3 kernel: [<ffffffff81052015>] ? kthread+0x85/0x90 >> Jul 8 07:44:53 box3 kernel: [<ffffffff81405514>] ? kernel_thread_helper+0x4/0x10 >> Jul 8 07:44:53 box3 kernel: [<ffffffff81051f90>] ? kthread_freezable_should_stop+0x50/0x50 >> Jul 8 07:44:53 box3 kernel: [<ffffffff81405510>] ? gs_change+0xb/0xb >> Jul 8 07:44:53 box3 kernel: handlers: >> Jul 8 07:44:53 box3 kernel: [<ffffffff810939d0>] irq_default_primary_handler threaded [<ffffffff812c7bb0>] usb_hcd_irq >> Jul 8 07:44:53 box3 kernel: [<ffffffff810939d0>] irq_default_primary_handler threaded [<ffffffff812c7bb0>] usb_hcd_irq >> Jul 8 07:44:53 box3 kernel: [<ffffffff810939d0>] irq_default_primary_handler threaded [<ffffffff812c7bb0>] usb_hcd_irq >> Jul 8 07:44:53 box3 kernel: Disabling IRQ #18 >> Jul 8 07:44:53 box3 kernel: pwc: Iso frame 0 has error -114 >> Jul 8 07:44:53 box3 kernel: pwc: Iso frame 1 has error -18 >> Jul 8 07:44:53 box3 kernel: pwc: Iso frame 2 has error -18 >> Jul 8 07:44:53 box3 kernel: pwc: Iso frame 3 has error -18 >> Jul 8 07:44:53 box3 kernel: pwc: Iso frame 4 has error -18 >> Jul 8 07:44:53 box3 kernel: pwc: Iso frame 5 has error -18 >> (etc; many more of the pwc messages) New occurrence: Jul 11 16:45:26 box3 kernel: irq 18: nobody cared (try booting with the "irqpoll" option) Jul 11 16:45:26 box3 kernel: Pid: 1465, comm: irq/18-ohci_hcd Not tainted 3.4.4 #3 Jul 11 16:45:26 box3 kernel: Call Trace: Jul 11 16:45:26 box3 kernel: [<ffffffff81095a76>] ? __report_bad_irq+0x36/0xd0 Jul 11 16:45:26 box3 kernel: [<ffffffff81095d7f>] ? note_interrupt+0x1cf/0x220 Jul 11 16:45:26 box3 kernel: [<ffffffff810945c0>] ? irq_thread_fn+0x40/0x40 Jul 11 16:45:26 box3 kernel: [<ffffffff8109443d>] ? irq_thread+0x13d/0x180 Jul 11 16:45:26 box3 kernel: [<ffffffff81094300>] ? wake_threads_waitq+0x50/0x50 Jul 11 16:45:26 box3 kernel: [<ffffffff81052015>] ? kthread+0x85/0x90 Jul 11 16:45:26 box3 kernel: [<ffffffff81405414>] ? kernel_thread_helper+0x4/0x10 Jul 11 16:45:26 box3 kernel: [<ffffffff81051f90>] ? kthread_freezable_should_stop+0x50/0x50 Jul 11 16:45:26 box3 kernel: [<ffffffff81405410>] ? gs_change+0xb/0xb Jul 11 16:45:26 box3 kernel: handlers: Jul 11 16:45:26 box3 kernel: [<ffffffff810939d0>] irq_default_primary_handler threaded [<ffffffff812c7a90>] usb_hcd_irq Jul 11 16:45:26 box3 kernel: [<ffffffff810939d0>] irq_default_primary_handler threaded [<ffffffff812c7a90>] usb_hcd_irq Jul 11 16:45:26 box3 kernel: [<ffffffff810939d0>] irq_default_primary_handler threaded [<ffffffff812c7a90>] usb_hcd_irq Jul 11 16:45:26 box3 kernel: Disabling IRQ #18 Jul 11 16:45:26 box3 kernel: pwc: Iso frame 0 has error -18 Jul 11 16:45:26 box3 kernel: pwc: Iso frame 1 has error -18 (etc) Any clues and/or updates? Udo -- 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