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Tasklist

FS#38435 - Signal 18 (CONT) caught by ps

Attached to Project: Arch Linux
Opened by Michele (rnhmjoj) - Thursday, 09 January 2014, 14:40 GMT
Last edited by Eric Belanger (Snowman) - Tuesday, 14 January 2014, 06:09 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
Executing 'ps -ef | wc -l' in a zsh shell script or directly with 'echo $(ps -ef | wc -l)' will cause this message to appear:

Signal 18 (CONT) caught by ps (procps-ng version 3.3.9).
ps:display.c:66: please report this bug

'ps -ef | wc -l' works as usual.
This happens only with latest zsh version, not with other shells nor previous zsh versions.

Additional info:
* zsh 5.0.5-1
* procps-ng 3.3.9-1


Steps to reproduce:
Execute this in zsh: echo $(ps -ef | wc -l)
This task depends upon

Closed by  Eric Belanger (Snowman)
Tuesday, 14 January 2014, 06:09 GMT
Reason for closing:  Works for me
Additional comments about closing:  Archlinux ARM is a seperate project, please report the bug there.
Comment by Jelle van der Waa (jelly) - Sunday, 12 January 2014, 11:04 GMT
Can't reproduce, is this still happening?
Comment by Sam Stuewe (HalosGhost) - Sunday, 12 January 2014, 11:05 GMT
I cannot reproduce this either. I'm on an x64 architecture; OP, are you on i686?
Comment by Michele (rnhmjoj) - Sunday, 12 January 2014, 13:44 GMT
Yes, it still happens.
I'm using Arch Linux arm.
Comment by Michele (rnhmjoj) - Sunday, 12 January 2014, 19:49 GMT
Ok, I will report it on Arch Linux arm github repo.

Update:
It's not arm only.
I reported it on zsh mailing list and here is a reply:

Hi,

On Sun, Jan 12, 2014 at 10:59:05PM +0100, Michele Guerini Rocco wrote:
Executing `ps -ef | wc -l` in a zsh shell script or directly with
`echo $(ps -ef | wc -l)` will cause this message to appear:

Signal 18 (CONT) caught by ps (procps-ng version 3.3.9).
ps:display.c:66: please report this bug```

JFTR: "echo `ps | cat`" already suffices.

This happens only with latest zsh version,

IIRC that happens since one of the 5.0.3 release candidates (i.e.
5.0.2-test-$something), at least since 5.0.3.

And also it seems to happen only on ARM.

Definitely not only on ARM. I do have it on i386 (x86 32 bit) and
amd64 (x86_64), too, also already with procps 3.3.8.

I previously opened an issue on ArchLinux ARM repo and they told me
to report the bug here.

I reported (as more or less requested) against procps-ng in Debian:
http://bugs.debian.org/732410 (and since procps-ng is the "Debian,
Fedora and openSUSE fork of procps" this probably can be considered as
"reported upstream", too. :-)

Kind regards, Axel
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