Re: BUG: using smp_processor_id() in preemptible [00000000] code]

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Hi,

On Mon, Jun 13, 2016 at 4:06 PM, M G Berberich
<berberic@xxxxxxxxxxxxxxxxx> wrote:

> Hello,
>
>> >> With 4.7-rc2, after detecting a USB Mass Storage device
>> >>
>> >>  [   11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected
>> >>
>> >> a constant flow of kernel-BUGS is reported (several per second).
>
> […]
>
>> > This looks like a bug in the memory management subsystem.  It should be
>> > reported on the linux-mm mailing list (CC'ed).
>>
>> This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed.
>
> Not fixed in 4.7-rc3

These patches should fix the issue:

    https://lkml.org/lkml/2016/6/1/310
    https://lkml.org/lkml/2016/6/1/311

I'm not sure why they weren't applied... will ping the maintainers.

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