GNU bug report logs - #40551
tail: unrecognized file system type 0x794c7630 for /path/to/nginx/error.log'

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: 王群强 <wangqunqiang <at> gmail.com>
To: bug-coreutils <at> gnu.org
Subject: tail: unrecognized file system type 0x794c7630 for
 /path/to/nginx/error.log'
Date: Sat, 11 Apr 2020 16:20:40 +0800

[Message part 1 (text/plain, inline)]

hi ,
I am using " tail -f error.log "  command in k8s pod environment, thus i
got a fatal error bellow :

==== error message ===
tail: unrecognized file system type 0x794c7630 for 'error.log'. please
report this to bug-coreutils <at> gnu.org. reverting to polling

========= pod information======
[root <at> xiaozh xxxx]# uname -a
Linux xiaozhxxxxx 3.10.0-1062.el7.x86_64 #1 SMP Wed Aug 7 18:08:02 UTC 2019
x86_64 x86_64 x86_64 GNU/Linux

[root <at> xiaozh xxxx]# cat /etc/centos-release
CentOS Linux release 7.2.1511 (Core)


# stat error.log
  File: 'error.log'
  Size: 0         Blocks: 0          IO Block: 4096   regular empty file
Device: d5h/213d Inode: 538070521   Links: 1
Access: (0644/-rw-r--r--)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2020-04-11 16:00:44.206654778 +0800
Modify: 2020-04-09 10:47:45.000000000 +0800
Change: 2020-04-11 15:55:31.046105337 +0800
 Birth: -



best reguards.

[Message part 2 (text/html, inline)]

Message #8 received at 40551 <at> debbugs.gnu.org (full text, mbox):

From: Bernhard Voelker <mail <at> bernhard-voelker.de>
To: 王群强 <wangqunqiang <at> gmail.com>, 40551 <at> debbugs.gnu.org, 
 GNU bug control <control <at> debbugs.gnu.org>
Subject: Re: bug#40551: tail: unrecognized file system type 0x794c7630 for
 /path/to/nginx/error.log'
Date: Wed, 15 Apr 2020 08:33:50 +0200

tag 40551 notabug
close 40551
stop

Hello,

On 2020-04-11 10:20, 王群强 wrote:
> hi ,
> I am using " tail -f error.log "  command in k8s pod environment, thus i
> got a fatal error bellow :
> 
> ==== error message ===
> tail: unrecognized file system type 0x794c7630 for 'error.log'. please
> report this to bug-coreutils <at> gnu.org. reverting to polling

This is not a fatal error, but rather a kind of warning message.

> ========= pod information======
> [root <at> xiaozh xxxx]# uname -a
> Linux xiaozhxxxxx 3.10.0-1062.el7.x86_64 #1 SMP Wed Aug 7 18:08:02 UTC 2019
> x86_64 x86_64 x86_64 GNU/Linux
> 
> [root <at> xiaozh xxxx]# cat /etc/centos-release
> CentOS Linux release 7.2.1511 (Core)

Next time, please also report the coreutils version.

overlayfs - commonly used with Docker containers - has been added
in version 8.25. Consider upgrading Coreutils if possible.

See https://www.gnu.org/software/coreutils/filesystems.html for
more details.

Have a nice day,
Berny

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