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SubjectRe: Latest Git kernel: avahi-daemon[2410]: ioctl(): Inappropriate ioctl for device
On 08 February 2020 at 07:59 am, Christian Zigotzky wrote:
>> 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.
> Cheers,
> Christian

Hi Arnd,

I successfully compiled the latest Git kernel with your patch today. The
avahi daemon works fine now. That means your patch has solved the avahi

Thanks for your patch and have a nice weekend!


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