linux-kernel - Re: IRQ nobody cared; Comm: swapper/2 Not tainted

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Date:	Thu, 13 Feb 2014 23:19:58 +0100
From:	bjoern <lkml@...l-home.ch>
To:	Peter Hurley <peter@...leysoftware.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: IRQ nobody cared; Comm: swapper/2 Not tainted

Hi Peter,

Perfect - I actually am using i915. Great, will wait then for rc3 to
test it and will get back here if needed!

Cheers,
Bjoern

Am Thu, 13 Feb 2014 12:05:21 -0500
schrieb Peter Hurley <peter@...leysoftware.com>:

> Hi bjoern,
> 
> On 02/11/2014 10:42 AM, bjoern wrote:
> > Hi,
> >
> > I just got this dump on my system. It happens occasionally, maybe
> > once a week. Result is that my USB keyboard and mouse (both Logitech
> > wireless) are laggy, mouse jumps across the screen and keyboard
> > input lags behind and creates multiple same keystrokes although the
> > key was only hit once.
> >
> > Ubuntu x64 13.10, Ubuntu kernel 3.13.1 (issue has occured in past
> > also when using 3.10/3.11)
> >
> > [    6.161395] irq 16: nobody cared (try booting with the "irqpoll"
> > option)
> 
> Are you using the i915 driver? There is a similar report [1] which
> apparently has been fixed and will make its way to rc3.
> 
> If not, we'll go from there.
> 
> Regards,
> Peter Hurley
> 
> [1] https://lkml.org/lkml/2014/2/11/705
> 
> > [    6.161428] CPU: 2 PID: 0 Comm: swapper/2 Not tainted
> > 3.13.1-031301-generic #201401291035
> > [    6.161429] Hardware
> > name:                  /DH61AG, BIOS
> > AGH6110H.86A.0106.2013.0509.1441 05/09/2013
> > [    6.161431]  ffff880119548e9c ffff88011f303e48 ffffffff8173356d
> > 0000000000002652
> > [    6.161433]  ffff880119548e00 ffff88011f303e78 ffffffff810c461d
> > 0000001c2000af00
> > [    6.161435] ffff880119548e00 0000000000000010 0000000000000000
> > ffff88011f303ea8
> > [    6.161437] Call Trace:
> > [    6.161438]  <IRQ> [<ffffffff8173356d>] dump_stack+0x46/0x58
> > [    6.161446] [<ffffffff810c461d>] __report_bad_irq+0x3d/0xe0
> > [    6.161448] [<ffffffff810c4a4b>] note_interrupt+0x14b/0x1a0
> > [    6.161450] [<ffffffff810c2201>]
> > handle_irq_event_percpu+0xb1/0x210 [    6.161453]
> > [<ffffffff8101d089>] ? sched_clock+0x9/0x10 [    6.161454]
> > [<ffffffff810c23a8>] handle_irq_event+0x48/0x70 [    6.161456]
> > [<ffffffff810c568a>] handle_fasteoi_irq+0x5a/0x100 [    6.161460]
> > [<ffffffff81016f32>] handle_irq+0x22/0x40 [    6.161463]
> > [<ffffffff8174ad9a>] do_IRQ+0x5a/0xe0 [    6.161466]
> > [<ffffffff8173ff6d>] common_interrupt+0x6d/0x6d [    6.161467] <EOI>
> > [<ffffffff815db8e1>] ?cpuidle_enter_state+0x61/0xe0
> > [    6.161472] [<ffffffff815db8d7>] ? cpuidle_enter_state+0x57/0xe0
> > [    6.161474] [<ffffffff815dba20>] cpuidle_idle_call+0xc0/0x210
> > [    6.161477] [<ffffffff8101e4fe>] arch_cpu_idle+0xe/0x30
> > [    6.161481] [<ffffffff810c1598>] cpu_idle_loop+0x78/0x270
> > [    6.161485]
> > [<ffffffff810d6eb2>] ?clockevents_register_device+0xe2/0x140
> > [    6.161487] [<ffffffff810c17fb>] cpu_startup_entry+0x6b/0x70
> > [    6.161489] [<ffffffff810440e8>] start_secondary+0xc8/0xd0
> > [    6.161490] handlers:
> > [    6.161505] [<ffffffff81547a40>] usb_hcd_irq
> > [    6.161526] Disabling IRQ #16
> 
> 

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