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Groups > linux.debian.user > #247624

Re: file born 30 seconds after its creation on ext4 - bug?

From Vincent Lefevre <vincent@vinc17.net>
Newsgroups linux.debian.user
Subject Re: file born 30 seconds after its creation on ext4 - bug?
Date 2022-04-27 16:10 +0200
Message-ID <EgQwF-byR7-5@gated-at.bofh.it> (permalink)
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On 2022-04-27 09:26:50 -0400, Greg Wooledge wrote:
> Are you able to reproduce the issue at all, even like 1% of the time?

In the past 11 years, I may have ran the script (and looked at the
output just after that) hundreds or thousands of times; the commands
to look at the output have been in my shell history for 6 years.

This was the first time I noticed such an issue. But if this is a
kernel bug, it may be a new bug.

> If so, you could set up a script that sometimes reproduces, and run it
> in a loop until you get the erroneous behavior.

I'll try to do that.

> Of course, the script would have to generate enough debugging output
> to be useful for diagnosing the underlying problem, and you'd
> probably have a second script controlling the loop which runs the
> first script, and then looks for the anomalous output in the logs,
> to stop the loop.

The first thing would be to try to reproduce the issue without
much debug info (in order to get the same system calls as the ones
generated by my normal script).

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

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Thread

file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-26 15:50 +0200
  Re: file born 30 seconds after its creation on ext4 - bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2022-04-26 19:10 +0200
    Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-27 04:40 +0200
      Re: file born 30 seconds after its creation on ext4 - bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2022-04-27 09:10 +0200
        Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-27 10:30 +0200
          Re: file born 30 seconds after its creation on ext4 - bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2022-04-27 11:40 +0200
            Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-27 15:20 +0200
              Re: file born 30 seconds after its creation on ext4 - bug? Greg Wooledge <greg@wooledge.org> - 2022-04-27 15:30 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-27 16:10 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Stefan Monnier <monnier@iro.umontreal.ca> - 2022-04-28 04:50 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Greg Wooledge <greg@wooledge.org> - 2022-04-28 05:10 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? duh <fill_in_the_blanks@email.com> - 2022-04-29 16:20 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Marc Auslander <marcausl@gmail.com> - 2022-04-29 20:10 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? "sp007@caiway.net" <sp007@caiway.net> - 2022-04-29 22:10 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? <tomas@tuxteam.de> - 2022-04-30 07:40 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2022-04-30 10:40 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? <tomas@tuxteam.de> - 2022-04-30 14:10 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-05-02 01:20 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? <tomas@tuxteam.de> - 2022-05-02 07:30 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Curt <curty@free.fr> - 2022-04-30 14:40 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? <tomas@tuxteam.de> - 2022-04-30 15:10 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2022-04-30 15:20 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-05-02 01:40 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Greg Wooledge <greg@wooledge.org> - 2022-05-02 01:40 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? David Wright <deblis@lionunicorn.co.uk> - 2022-05-02 17:10 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? <tomas@tuxteam.de> - 2022-05-02 18:20 +0200
                Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-28 10:40 +0200
            Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-28 11:40 +0200
  Re: file born 30 seconds after its creation on ext4 - bug? Nicholas Geovanis <nickgeovanis@gmail.com> - 2022-04-26 19:40 +0200
    Re: file born 30 seconds after its creation on ext4 - bug? Nicholas Geovanis <nickgeovanis@gmail.com> - 2022-04-26 19:50 +0200
      Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-27 04:50 +0200
  Re: file born 30 seconds after its creation on ext4 - bug? Stefan Monnier <monnier@iro.umontreal.ca> - 2022-04-26 20:20 +0200
    Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-27 05:10 +0200
  Re: file born 30 seconds after its creation on ext4 - bug? "Thomas Schmitt" <scdbackup@gmx.net> - 2022-04-28 11:30 +0200
    Re: file born 30 seconds after its creation on ext4 - bug? Vincent Lefevre <vincent@vinc17.net> - 2022-04-28 12:20 +0200

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