bugfindutils - Bugs: bug #38583, errno-buffer read failed in...


bug #38583: errno-buffer read failed in xargs_do_exec

Submitted by:  James Youngman <jay>
Submitted on:  Sun Mar 24 21:39:01 2013  
Category: xargsSeverity: 3 - Normal
Item Group: Wrong resultStatus: Fixed
Privacy: PublicAssigned to: James Youngman <jay>
Originator Name: Bernhard VoelkerOpen/Closed: Closed
Release: 4.5.10Fixed Release: 4.5.12

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Sun Mar 24 21:55:10 2013, comment #1:

Fixed in commit 14adbdd321a3cbcdd76feeeb403e8e958d2f4ca2

James Youngman <jay>
Project AdministratorIn charge of this item.
Sun Mar 24 21:39:01 2013, original submission:

The message comes if the parallelism of xargs is
increased/decreased several times in a short time.

Test case (OpenSuSE 11.4, ext4, xargs from git):

mkdir /tmp/test
cd /tmp/test
dd if=/dev/zero of=1M bs=1M count=1
seq 4000 | ~/git/findutils/inst/bin/xargs -P 2 -n 1 cp 1M & pid=$!
sleep 1
while kill -USR2 $pid ; do sleep .1 ; done

The following error message appears about every 2-5 seconds,
in total 11x out of the 552 times SIGUSR2 has been sent to xargs:

/home/berny/git/findutils/inst/bin/xargs: errno-buffer read \
failed in xargs_do_exec (this is probably a bug, please report \
it): Interrupted system call

James Youngman <jay>
Project AdministratorIn charge of this item.


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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue Sep 24 22:05:24 2013jayOpen/ClosedOpen=>Closed
      Fixed ReleaseNone=>4.5.12
    Sun Mar 24 21:55:10 2013jayStatusIn Progress=>Fixed

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