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Date: Wed, 11 Jul 2012 16:50:07 +0200
From: Udo van den Heuvel <udovdh@xs4all.nl>
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To: linux-usb@vger.kernel.org
CC: Clemens Ladisch <clemens@ladisch.de>, Simon Jones <sijones2010@gmail.com>,
        linux-kernel@vger.kernel.org
Subject: Re: 3.4.4: disabling irq
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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