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bug#26324: Tail does not recognize .log file type

From: Bernhard Voelker
Subject: bug#26324: Tail does not recognize .log file type
Date: Sun, 2 Apr 2017 10:56:42 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0

On 03/31/2017 06:20 PM, Pádraig Brady wrote:
> On 31/03/17 08:26, Kevin Bedard wrote:
>> Hello.  When I execute a ‘tail -f ‘ on my product’s log file (text based
>> file), I get the error below, however, the file contents is still displayed
>> and updated in real time.
>> *tail: unrecognized file system type 0xf15f083d for 'aerolink.log'. please
>> report this to address@hidden <address@hidden>. reverting to
>> polling*
> What file system is that file on,
> and is it a networked file system?

It seems that this was a UNIONFS filesystem ...


... which never made it into the linux kernel.
I'm not sure we should support that.  Newer tail(1) >v8.24  wouldn't
output the warning any longer anyway, so silently falling back
to polling seems to be sufficient for UNIONFS.

Have a nice day,

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