Re: kernel Oops: 0003 on usbhid_submit_report

[Greg KH <gregkh@linuxfoundation.org>]

<adding linux-input@ where the hid developers live...>

On Mon, Aug 12, 2013 at 01:56:40PM +0200, Andreas Lillebø Holm wrote:
> When communicating with AT90USB1287, at random intervals (1/25 boots)
> the linux hid_output_field Oopses and kills the communicating thread.
> The AT90USB1287 microcontroller uses LUFA library for usb/hid
> communication. It is trigged by a ioctl call from userspace and fails
> in a kernel paging request.  The system is after the oops in a state
> where no hid commands is sent anymore and only a boot can fix the
> system.
> 
> Keywords: usbhid hid
> 
> Kernel version: Linux version 3.8.13-03081301-generic (apw@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201305311535 SMP Fri May 31 19:44:30 UTC 2013
> 
> Oopses:
> http://paste.debian.net/24305
> http://paste.debian.net/24306
> http://paste.debian.net/24307
> 
> Code:
> The error is triggered by:
> ioctl(fd,HIDIOCSUSAGES, &ref_multi_u);
> ioctl(fd,HIDIOCSREPORT, &rep_info_u);
> 
> Notes:
> It is very hard to reproduce so seems like race condition…
> 
> Any tips to resolve/workaround this issue is appreciated and please
> let me know if my information is incomplete (This is my first kernel
> bug report)

Any chance you can try a supported kernel, like 3.10.6 or 3.11-rc5 to
see if that also causes problems?  We can't do anything with
distro-specific kernel releases like your 3.8.13 release from Ubuntu,
sorry.

thanks,

greg k-h
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