LinuxQuestions.org
Download your favorite Linux distribution at LQ ISO.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Distributions > Slackware
User Name
Password
Slackware This Forum is for the discussion of Slackware Linux.

Notices

Reply
 
LinkBack Search this Thread
Old 11-13-2012, 07:32 AM   #1
tronayne
Senior Member
 
Registered: Oct 2003
Location: Northeastern Michigan, where Carhartt is a Designer Label
Distribution: Slackware 32- & 64-bit Stable
Posts: 2,869

Rep: Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700
HPLIP-3.12.10a, Xfce, Zombie, Slackware 14.0 64-bit


Strange and wonderous things do occasionally still happen.

I happened to notice a zombie(!) reported by top and tracked it down to hp-upgrade, a Python program that appears to be "HPLIP installer to upgrade to latest version." Now I don't about about the rest of you folks, but I haven't seen a zombie in, well, I don't remember it's been so long. HPLIP is working (as far as I can tell); CUPS is happy, printers make noises and spit out paper, plotter draws stuff, life is good. Click the HP icon in the tray, it opens up, all the controls and info stuff works, so seems like no biggie. I did do a bug report (yesterday), haven't heard back yet but it's only been a short time.

Oddly, logging out as "me" and logging in as root the zombie is gone (but the HPLIP Status Service does not start for the root user; it's not supposed to).

So I'm wondering if anyone else has seen this? Does this occur in KDE (I have not started KDE on this server and don't really want to)? Is it an Xfce thing?
 
Old 11-13-2012, 07:45 AM   #2
brianL
LQ 5k Club
 
Registered: Jan 2006
Location: Oldham, Lancs, England
Distribution: Slackware & Slackware64 14.1
Posts: 6,702
Blog Entries: 51

Rep: Reputation: 1244Reputation: 1244Reputation: 1244Reputation: 1244Reputation: 1244Reputation: 1244Reputation: 1244Reputation: 1244Reputation: 1244
Code:
Tasks: 124 total,   1 running, 123 sleeping,   0 stopped,   0 zombie
No zombies here with KDE (no vampires or werewolves, either).

Last edited by brianL; 11-13-2012 at 07:46 AM.
 
Old 11-14-2012, 12:11 PM   #3
wheelsg
Member
 
Registered: Feb 2004
Location: Westchester, NY
Distribution: slackware
Posts: 56

Rep: Reputation: 15
'khel' produced a zombie. I'll be glad when I can run xfce again...
 
Old 11-15-2012, 03:47 AM   #4
hj1967
LQ Newbie
 
Registered: Jun 2011
Location: Nunspeet, The Netherlands
Distribution: Slackware x64
Posts: 25

Rep: Reputation: Disabled
Quote:
Originally Posted by tronayne View Post
Strange and wonderous things do occasionally still happen.

I happened to notice a zombie(!) reported by top and tracked it down to hp-upgrade, a Python program that appears to be "HPLIP installer to upgrade to latest version." Now I don't about about the rest of you folks, but I haven't seen a zombie in, well, I don't remember it's been so long. HPLIP is working (as far as I can tell); CUPS is happy, printers make noises and spit out paper, plotter draws stuff, life is good. Click the HP icon in the tray, it opens up, all the controls and info stuff works, so seems like no biggie. I did do a bug report (yesterday), haven't heard back yet but it's only been a short time.

Oddly, logging out as "me" and logging in as root the zombie is gone (but the HPLIP Status Service does not start for the root user; it's not supposed to).

So I'm wondering if anyone else has seen this? Does this occur in KDE (I have not started KDE on this server and don't really want to)? Is it an Xfce thing?
I had a problem with hp-toolbox not working anymore due to a bug but it was solved by using hplib-12.10a. (which is not the standard slackware version).
Are you using hplib-12.10a or the the slackware hplib?
 
Old 11-15-2012, 08:24 AM   #5
tronayne
Senior Member
 
Registered: Oct 2003
Location: Northeastern Michigan, where Carhartt is a Designer Label
Distribution: Slackware 32- & 64-bit Stable
Posts: 2,869

Original Poster
Rep: Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700
Quote:
Originally Posted by hj1967 View Post
I had a problem with hp-toolbox not working anymore due to a bug but it was solved by using hplib-12.10a. (which is not the standard slackware version).
Are you using hplib-12.10a or the the slackware hplib?
Well, yeah, I am -- the thread title is HPLIP-3.12.10a, Xfce, Zombie, Slackware 14.0 64-bit. As you indicate the distributed HPLIP has a bug and toolbox doesn't work and HPLIP-3.12.10a is the "fix."
 
Old 11-15-2012, 12:04 PM   #6
wheelsg
Member
 
Registered: Feb 2004
Location: Westchester, NY
Distribution: slackware
Posts: 56

Rep: Reputation: 15
Tronayne,

Is it possible there's a firewall issue involved? My home network is constantly being pinged by HP motherships looking for lost little lambs and things that need updating. Perhaps you have a tighter setup which restricts the back-and-forth so that the update process is essentially orphaned? Just hazarding a guess, but if your update process is waiting for a friendly beacon it might just be idling and thereby reported as zombie in top.

Today's zombie, for me, is 'python <defunct>' which might be a housekeeping issue related to my recent upgrade to 14. The 'khel' issue from yesterday disappeared when I quit a help session that had been idle. Maybe we're looking at a top timer issue?

Regards,
Geoff.
 
Old 11-16-2012, 06:45 AM   #7
tronayne
Senior Member
 
Registered: Oct 2003
Location: Northeastern Michigan, where Carhartt is a Designer Label
Distribution: Slackware 32- & 64-bit Stable
Posts: 2,869

Original Poster
Rep: Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700
That back-and-forth idea may have merit -- this server cannot be accessed from the outside world (thankfully in most all cases). However, anything originating on this server does get outside and can interact (such as, you know, typing this). Who knows.

The zombie (we're now living with a zombie, kind of a cute little fellow, I think he may have been a hamster and most certainly not a penguin) is reported by ps:
Code:
ps -ef | fgrep defunct
trona     5619  5598  0 Nov15 ?        00:00:00 [hp-upgrade] <defunct>
trona     6212  6192  0 07:36 pts/1    00:00:00 fgrep defunct
Sure looks like hp-upgrade is having problems somewhere or other and I don't know diddly-beans about Python so it's a little beyond me to look at the code and know what I'm looking at.

H-P does have a bug report and I would expect that they'll get roundtoit sooner or later; for right now things appear to work the way they're supposed to in spite of the dead hamster. So I'll wait a while.
 
Old 11-17-2012, 03:59 AM   #8
hj1967
LQ Newbie
 
Registered: Jun 2011
Location: Nunspeet, The Netherlands
Distribution: Slackware x64
Posts: 25

Rep: Reputation: Disabled
I am also running Xfce and hplib 12.10.a but I don't have an defunct process
Running hp-upgrade manualy does also not result in a defunct process.
I am starting xfce using startx...have a console login.

Code:
hjp1:~>	ps -ef | grep -i defunct
hj        2276  2241  0 10:57 pts/0    00:00:00 grep -i defunct
hjp1:~>	hp-upgrade 

HP Linux Imaging and Printing System (ver. 3.12.10a)
HPLIP upgrade latest version ver. 1.0

Copyright (c) 2001-14 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

Latest version of HPLIP is already installed.
hjp1:~>	ps -ef | grep -i defunct
hj        2281  2241  0 10:57 pts/0    00:00:00 grep -i defunct
 
Old 12-18-2012, 10:18 AM   #9
tronayne
Senior Member
 
Registered: Oct 2003
Location: Northeastern Michigan, where Carhartt is a Designer Label
Distribution: Slackware 32- & 64-bit Stable
Posts: 2,869

Original Poster
Rep: Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700Reputation: 700
Well, HP updated HPLIP to 3.12.11. Built it with the distribution SlackBuild. Upgraded.

The Zombie lives!
Code:
ps -ef | fgrep defu
trona    20676 20656  0 09:34 ?        00:00:01 [python] <defunct>
Oh, well.
 
Old 12-19-2012, 12:17 AM   #10
kingbeowulf
Member
 
Registered: Oct 2003
Location: WA
Distribution: Slackware64 14.1, Slackware 14.1
Posts: 498

Rep: Reputation: 136Reputation: 136
IIRC there is a reason why a "zombie" process might show up longy than usual ( i.e. child process not informing parent it is done and/or parent not keeping track of completed child processes). A parent process might leave a child process in the process table to be able to have the same process ID when spawning another child process.
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Mouse cursor corruption problem xfce Slackware 64 bit current (and older versions) Ook Slackware 5 02-15-2012 03:53 PM
[SOLVED] Upgrade hplip-3.9.4b to hplip-3.9.12 (32-bit and 64-bit) tronayne Slackware 8 02-27-2011 11:12 PM
HPlip woes on --current ; Sharing printer gets broken if the hplip gui is launched Old_Fogie Slackware 2 10-28-2010 10:23 AM
WARNING: hplip on open suse11.0 64-bit causes irreparable damage! Sjonnie48 Suse/Novell 4 11-27-2008 09:59 AM
Slackware + HPLIP ons Slackware 4 08-12-2006 05:31 PM


All times are GMT -5. The time now is 10:19 AM.

Main Menu
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration