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



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/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)


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