Let me begin by saying that a few weeks ago I upgraded from gutsy
to hardy beta, using do-release-upgrade. I had the ppa2 apt version
installed and experienced no problems.
Yesterday I did a little testing by creating a Vmware Server virtual machine,
and installed gutsy from the server .iso
Copied to gutsy-updates, thanks!
** Changed in: apt (Ubuntu Gutsy)
Status: Fix Committed = Fix Released
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update-manager freezes due to defunct dpkg process
https://bugs.launchpad.net/bugs/134858
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In an Ubuntu 7.10 server install I tested installing and removing
y2vcard as indicated in the test case without it hanging at all. I then
installed apt from gutsy-proposed and performed a dist-upgrade to Hardy
via 'apt-get dist-upgrade' after editing my sources.list file. This
upgrade performed
** Tags added: verification-done
** Tags removed: verification-needed
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This has been in gutsy-proposed for about half a year now. Can someone
please test this? If it's tricky to recreate the original problem: it is
actually more important that this version of apt still works as expected
(installing packages, etc.), i. e. test for regressions instead of
reproducing
I am running hardy now, but for quite some time I had the ppa packages
from ~mvo running without any problems.
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** Description changed:
Binary package hint: update-manager
During automatic updates, the installation procedure often freezes due
to a defunct dpkg process. Here is a snippet of 'ps auxef':
martin8551 0.1 4.7 328804 98540 ?Sl 10:43 0:04
/usr/bin/python2.5
I've been unable to recreate this bug using either a Gutsy amd64 chroot
or a Gutsy i386 vmware image.
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The problem went away after I upgraded to the latest version. I just thought
you'd like to know that it hung for me. Sorry if I've wasted your time.
-Mark
Brian Murray [EMAIL PROTECTED] wrote:
I've been unable to recreate this bug using either a Gutsy amd64 chroot
or a Gutsy i386
** Description changed:
Binary package hint: update-manager
During automatic updates, the installation procedure often freezes due
to a defunct dpkg process. Here is a snippet of 'ps auxef':
martin8551 0.1 4.7 328804 98540 ?Sl 10:43 0:04
/usr/bin/python2.5
apt (0.7.9ubuntu1) hardy; urgency=low
* merged from http://bzr.debian.org/apt/apt/debian-sid/, remaining
changes:
- mirror download method (pending merge with debian)
- no pdiff download by default (unsuitable for ubuntu)
- no recommends-by-default yet
- add
Accepted into gutsy-proposed, please test.
** Tags added: verification-needed
** Changed in: apt (Ubuntu Gutsy)
Status: New = Fix Committed
** Changed in: apt (Ubuntu Gutsy)
Target: None = gutsy-updates
** Changed in: apt (Ubuntu Hardy)
Status: Confirmed = In Progress
The ppa2 version looks good to me too.
I did the first official upgrade (tzdata) and did 100 install/remove
repetitions of the openoffice.org-calc package that had given me trouble
before. It was in an xterm, and I really messed with the screen, resizing,
iconifying, obscuring, switching
Well, sorry, I meant in my last comment that this bug is related somehow
with terminal hangling? Eg both of resizing the terminal or other action
which affect its visibility, however I don't now my comment has any
sense or not just guessing here.
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update-manager freezes due to defunct dpkg
@Michael: iteration 592 and still going strong :) It looks like your
ppa2 version had the magic that cured the problem (kcontrol, at least).
However, monitoring the dpkg process status with a `watch -n .3 ps aux
| grep dpkg | grep -v grep`, briefly shows a defunct dpkg process at
the end of the
I also have not been able to reproduce the issue with ppa2. :)
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@hackel: Hmm, you may be right: I've got this issue both on Linux text
console and in gnome-terminal, but I'm using workspace switching (with
X/gnome) and console switching (ALT-F1...) quite often while working.
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update-manager freezes due to defunct dpkg process
Thanks Troy C for testing the ppa1 version. I just uploaded a pp2
version in my ppa that may fix the issue. I'm can't say for sure because
I can not reproduce it :) Your kcontrol test script works for me. But I
would appreciate if you could test and give feedback.
Thanks,
Michael
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** Changed in: apt (Ubuntu)
Sourcepackagename: update-manager = apt
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The trace: http://launchpadlibrarian.net/10056217/dpkgstrace indicates
that its a race condition with the SIGCHLD.
I uploaded a new version with the fix from Martin Emrich to my ppa at:
deb http://ppa.launchpad.net/~mvo/ubuntu gutsy main restricted universe
multiverse
I would appreciate
Hi!
The problem did not appear here for some time now, but nevertheless I'll test
the packages, too.
FYI: I had to remove the tilde ~ from the repository URL to make it work:
deb http://ppa.launchpad.net/mvo/ubuntu gutsy main restricted universe
multiverse
Ciao
Martin
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When I was trying to reproduce this (running aptitude in gnome-
terminal), it seemed to be triggered only when I switched into full-
screen and back. I couldn't reproduce it if I just ran an
upgrade/install with aptitude in a single tab without changing to full
screen at all.
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Using {apt,apt-utils}0.7.6ubuntu14.1~ppa1, the race condition is still
present, when doing the kcontrol reinstall for loop mentioned in bug
#148806
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@LGB: it is the same problem, yes. apt 0.7.6ubuntu14 fixes the resource
leak, that might or might not fix the hang as well. I was never able to
reproduce the hang myself so I'm a bit in the dark here. If you have any
hints what I can do, I would be grateful. It seems to happen only for
some people
Well, I'll check this, but it's problematic to test if this bug is fixed
or not, because the freeze occures only sometimes, so I can't be sure
that it's fixed or is not triggered yet. Anyway, nothing special here:
I'm using bash as shell, terminal is gnome-terminal, but I've got this
bug on text
Unfortunately I've experienced the hang using apt 0.7.6ubuntu14.
When the update with apt 0.7.6ubuntu14 came out, there were also some
openoffice.org files that wanted to update. I intentionally installed
apt and apt-utils 0.7.6ubuntu14 first. Then did apt-get update to pick
up the
I'm using gnome-terminal. But please note, that I've noticed this on
plain text console as well (without even starting X/gdm). Because of
this fact, I don't think that it's terminal emulation related question.
Another question: I can't stop apt-get temporary with CTRL-Z (even
before the freeze) to
Maybe I'm completly wrong, but can it be related to bug #148806? I tried
to 'strace -p pid-of-apt' and it blocked on a read() syscall, however
I don't know on which file ;-( Later I will try to strace all of my apt-
get activities, or just take a look /proc/pid/fd/ to be able to
assign a file to
I was using xterm when I got the above results.
However, just a few minutes ago, I ran another upgrade (apt-get dist-
upgrade) on the linux console, without any X running. And I experienced
the problem once again. It occured on the final package being installed
in this batch
Thanks for the additional comments.
@LGB, Gregory Margo: what terminal do you use? I wonder if this is
somehow releated to the environment, I do not see it here with gnome-
terminal.
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I just did a network upgrade from Feisty to GutsyRC, and repeatedly ran
into the same problem - dpkg dies and goes defunct and apt-get hangs
forever. It kept happening on kmail and openoffice.org packages. Have
to open a terminal and kill apt-get manually. This happened wtih the
PC(x86)
I still have got this problem using apt-get (sometimes, but not always).
The sympthoms are: apt-get stops after an Unpacking replacement XYZ
... message, and the terminal does not react, I mean, I can't use
CTRL+C, CTRL-Z or eg pressing any character/enter will not echo anything
in the terminal
I had no problems for some time now, so I too assume that the bug is
gone.
Ciao
Martin
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Seems to be working fine for me Michael. I did however install a copy of
Tribe 4 to replace the very old installation which I had been using.
Chris
Michael Vogt wrote:
Thanks for the additional comments!
I can not reproduce this here anymore. Do you have a way to make this
reproducible? I
Thanks for the additional comments!
I can not reproduce this here anymore. Do you have a way to make this
reproducible? I will apply the pselelect() patch after hardy opens and
if that fixes the issue get a fix for this into gutsy-updates.
Thanks,
Michael
** Changed in: update-manager
I've also got this bug, it's ubuntu gutsy on AMD64 (but I've seen this
on an i386 box too at my workplace, with the same version numbers),
version of apt package is 0.7.6ubuntu12, version of dpkg is
1.14.5ubuntu16. From time to time using apt-get causes to freeze, I
can see process dpkg in defunct
I also see zombie dpkg processes, causing apt-get to hang on my x86 box,
generally when doing an upgrade, and seems to be always after the last
of the unpack stage. I see them when using apt-get directly, so this is
probably unrelated to update-manager.
Thanks,
Rob
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update-manager freezes due
Since apt was updated and overwrote my patched version, dpkg froze again
today. I reinstalled my patched version now, but I am not yet convinced
it is in fact a fix. But nevertheless, I would like to reopen the bug.
Ciao
Martin
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update-manager freezes due to defunct dpkg process
Hi Michael,
Just got a hang and I have the latest apt.
[EMAIL PROTECTED] ~ ps aux | grep defunct
root 6794 3.7 0.0 0 0 ?Zs 09:34 0:12 [dpkg]
defunct
chris 7968 0.0 0.0 2984 760 pts/10 R+ 09:39 0:00 grep
defunct
[EMAIL PROTECTED]:~# apt-get
Hi!
Sorry for cheering too early, I tortured apt tonight, too, and I also had the
hangs. Then I remembered that I had a similar problem some time ago with my
dmplayer, wehere I got similar zombie children related to the select() call.
Back then, I rewrote dmplayer to use pselect() instead of
This should now be fixed with the apt 0.7.6ubuntu8 upload. Please reopen
if you still see issues.
** Changed in: update-manager (Ubuntu)
Status: In Progress = Fix Released
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Yes, works fine now. Thanks!
Ciao
Martin
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** Changed in: update-manager (Ubuntu)
Status: Incomplete = In Progress
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Hi,
Some news on my side too. For a few weeks now this bug has happened to
me _at least_ once a day. I often also get the Error in select()
message. Following your suggestion last week Martin, I have started
using xterm rather than gnome-terminal to do aptitude full-upgrade.
Although not a
** Changed in: update-manager (Ubuntu)
Assignee: (unassigned) = Michael Vogt
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Thanks a lot for this detailed information! I'm finally able to
reproduce this issue here now and I can pinpoint it now! I hope to be
able to produce a fix tomorrow, the biggest help is that I'm now able to
reproduce it myself.
Thanks Martin and Chris!
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update-manager freezes due to defunct
News on my side:
I tried to install grub-info (in gnome-terminal), and while apt/dpkg read read
its database, I resized the window, and then I saw this Error in select().
I quickly opened another terminal and hit ps aux, dpkg still alive. Then came
272072 Dateien und Verzeichnisse sind derzeit
I tried the game a few times, and I could reproduce it on all
combinations:
- desktop (gutsy amd64), gnome-terminal
- laptop (gutsy i386), gnome-terminal
- desktop (gutsy i386), xterm
Could someone try it, too?
1. pick some less important package, I chose grub-doc.
2. prepare your command sudo
Sorry, the third scenario should also be gutsy amd64. I also tried it on
the laptop with xterm, and can reproduce it there, too.
I found the error message here:
apt-0.7.6ubuntu7/apt-pkg/deb/dpkgpm.cc:822: std::cerr Error in
select() std::endl;
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update-manager freezes due to defunct
I have the same issue running aptitude from the command line. It has
recently (within two weeks) started to hang on every aptitude full-
upgrade. See the (partial) ps listing below
root 6724 0.0 0.0 4156 1772 pts/0S09:17 0:00 bash
root 6770 0.5 0.9 33764 19480 pts/0
Hi!
I'm glad it's not another one of those bugs that only affect me :)
Do you use amd64, too? It does not happen on my laptop (gutsy, i386).
I'd say we can rule out update-manager and synaptic, too, as you did your
update via aptitude.
In what terminal do you use it? gnome-terminal? konsole?
Hi Martin,
I'm using gutsy on a Dell Inspiron 8600 so it is happening not only on
amd64. My laptop has been upgraded continuously from early Feisty
versions so it isn't a clean installation at all. Having said that, this
problem is relatively new. I use gnome-terminal and the Bash shell for
Hi,
Perhaps a strange gutsy feeling? (Sorry poor joke). I'll start using
xterm and see if the problem repeats. Come to think of it, I have
noticed that some apparent hangs can be solved by hitting the enter key
after which an error about a closed socket appears. If the problem
reappears when
My desktop is continously upgraded since feisty, too, while my laptop was
freshly installed with gutsy tribe 2.
So when I come home tonight, I'll take a look at possible differences in the
configuration files.
Another thing (this is really farfetched, but I'll mention it anyways):
I had a (some
This morning, I started update-manager, but this time, I kept the Details
area closed, and the updates completed without problems.
Maybe it is related to the little terminal window. Is this widget only created
when I click on Details ?
I'll investigate the relationship between dpkg crashes and
Thanks a lot for testing my patch.
I can not reproduce this here unfortunately (with open or closed
terminal widget), could you please give some more details:
Can you always reproduce this behaviour? If you run update-manager on a
terminal, is something printed there when this bug happens? Do
Hi!
I tried starting update-manager from a terminal. This is what it
printed:
[EMAIL PROTECTED]:~$ sudo strace -f -o update-manager-trace.txt update-manager
warning: could not initiate dbus
current dist not found in meta-release file
could not send the dbus Inhibit signal:
Hi!
Sorry for taking so long, had to prepare my seminar talk over the
weekend...
I applied your patch: I got the apt sources with apt-get source apt, applied
the patch, built with fakeroot dpkg-buildpackage -us -uc, and installed the
resulting packages (except -doc and -dev).
Then, I clicked
** Changed in: update-manager (Ubuntu)
Importance: Undecided = High
Status: New = Triaged
Target: None = tribe-6
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Thanks for your bugreport.
Can you always reproduce this behaviour? If you run update-manager on a
terminal, is something printed there when this bug happens? Do you have
/dev/pts mounted? What version of apt are you using?
I can not reproduce this behaviour here, but it looks like a serious
If you can reproduce this bug, could you please try the attached patch
and let me know if it fixes the issue?
Thanks,
Michael
** Attachment added: Patch that might fix the issue
http://launchpadlibrarian.net/9010819/dpkg-log.diff
** Changed in: update-manager (Ubuntu)
Status: Triaged
I forgot: I'm running gutsy amd64
Ciao
Martin
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