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SubjectRe: Latest Git kernel: avahi-daemon[2410]: ioctl(): Inappropriate ioctl for device

> On 7. Feb 2020, at 18:08, Arnd Bergmann <> wrote:
> On Fri, Feb 7, 2020 at 3:34 PM Christian Zigotzky
> <> wrote:
>> Hello Arnd,
>> We regularly compile and test Linux kernels every day during the merge
>> window. Since Thursday last week we have very high CPU usage because of
>> the avahi daemon on our desktop Linux systems (Ubuntu, Debian etc). The
>> avahi daemon produces a lot of the following log message. This generates
>> high CPU usage.
>> Error message: avahi-daemon[2410]: ioctl(): Inappropriate ioctl for device
>> strace /usr/sbin/avahi-daemon:
> Thanks a lot for the detailed analysis, with this I immediately saw
> what went wrong in my
> original commit and I sent you a fix. Please test to ensure that this
> correctly addresses
> the problem.
> Arnd

Hi Arnd,

Thanks a lot for your patch! I will test it as soon as possible.

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