GNU bug report logs - #23143
tail: unrecognized file system type 0x7c7c6673

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Mikhail Emelchenkov <mikhail <at> emelchenkov.pro>
Subject: bug#23143: closed (Re: bug#23143: tail: unrecognized file system
 type 0x7c7c6673)
Date: Thu, 31 Mar 2016 15:42:02 +0000

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Your bug report

#23143: tail: unrecognized file system type 0x7c7c6673

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 23143 <at> debbugs.gnu.org.

-- 
23143: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23143
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Pádraig Brady <P <at> draigBrady.com>
To: Mikhail Emelchenkov <mikhail <at> emelchenkov.pro>
Cc: 23143-done <at> debbugs.gnu.org
Subject: Re: bug#23143: tail: unrecognized file system type 0x7c7c6673
Date: Thu, 31 Mar 2016 16:41:06 +0100

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On 30/03/16 21:15, Mikhail Emelchenkov wrote:
> Hello Pádraig,
>
>> Heh 0x7C7C6673 is ||fs in ASCII. I like it :)
>
> Me too :)
>
>> Could you install inotify-tools and use inotifywait to see if inotify is supported on prl_fs?
>> That will let us tag it appropriately.
>
> I did it. Mixed picture:
> 1. Run `inotifywait -e modify /vagrant/out/1.txt` and run `echo 123 >> /vagrant/out/1.txt` both from inside VM (in different shell sessions).
> Setting up watches.
> Watches established.
> /vagrant/out/1.txt MODIFY
> 2. Run `inotifywait -e modify /vagrant/out/1.txt` from inside VM and run `echo 123 >> /vagrant/out/1.txt` from outside VM.
> Setting up watches.
> Watches established.
> (just waiting, nothing fired)
>
> I use native Parallels Tools installed inside VM.
>
> FS mounted as (it is mounted automatically by Vagrant and Parallels):
> vagrant on /vagrant type prl_fs (rw,uid=1000,gid=1000)

Excellent.
I'll push the attached later.

thanks,
Pádraig

[coreutils-prl_fs.patch (text/x-patch, attachment)]

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From: Mikhail Emelchenkov <mikhail <at> emelchenkov.pro>
To: bug-coreutils <at> gnu.org
Subject: tail: unrecognized file system type 0x7c7c6673
Date: Tue, 29 Mar 2016 14:40:03 +0300

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Hello,

tail ask me to send bugreport to your email address, and I am doing it.

When using Parallels 11 OS X with Vagrant and Ubuntu guest, got this error. `tails` utility can't detect `prl_fs` filesystem.

tail: unrecognized file system type 0x7c7c6673 for 'file.log'. please report this to bug-coreutils <at> gnu.org. reverting to polling

# lsb_release -rd
Description:	Ubuntu 14.04.3 LTS
Release:	14.04

coreutils 8.21-1ubuntu5.4

Also, I reported this bug to Ubuntu: https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/1563283

Mikhail Emelchenkov
Research & development
www.Emelchenkov.pro <https://www.emelchenkov.pro/>, +7 (968) 849-4070

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