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Message-Id: <834D35CA-F0D5-43EC-97B2-2E97B4DA7703@xenosoft.de>
Date: Sat, 8 Feb 2020 07:59:17 +0100
From: Christian Zigotzky <chzigotzky@...osoft.de>
To: Arnd Bergmann <arnd@...db.de>
Cc: Michael Ellerman <mpe@...erman.id.au>,
Jakub Kicinski <kuba@...nel.org>,
Christophe Leroy <christophe.leroy@....fr>,
DTML <devicetree@...r.kernel.org>,
Darren Stevens <darren@...vens-zone.net>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linuxppc-dev@...abs.org, "contact@...on.com" <contact@...on.com>,
"R.T.Dickinson" <rtd2@...a.co.nz>, Christoph Hellwig <hch@....de>,
mad skateman <madskateman@...il.com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Christian Zigotzky <info@...osoft.de>
Subject: Re: Latest Git kernel: avahi-daemon[2410]: ioctl(): Inappropriate ioctl for device
> On 7. Feb 2020, at 18:08, Arnd Bergmann <arnd@...db.de> wrote:
>
> On Fri, Feb 7, 2020 at 3:34 PM Christian Zigotzky
> <chzigotzky@...osoft.de> 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
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