Public bug reported:
At random occasions, pstree returns "/proc/xxxx: No such file or directory" on
stderr. No output on stdout is produced.
I can reproduce the problem using this script:
#!/bin/bash
for i in $(seq 1 1000); do
unset p
p=$(pstree -s -A $$ 2>/dev/null)
if [ "$?" -ne "0" ]; then
p=$(pstree -s -A $$ 2>/dev/null)
echo "Retry: $p"
fi
sleep 0.02
done
I have seen this behavior in version 22.15 (shipped with Ubuntu 12.04
LTS, package version 22.15-2ubuntu1.2). The problem does not seem to
occur on version 22.21 (shipped with Ubuntu 16.04 LTS).
** Affects: psmisc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1629839
Title:
pstree reports "/proc/xxxx: No such file or directory"
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