[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/913787
Ti
I have right now a deluged process behaving exactly as this (100% cpu,
unkillable, becomes zombie when killed and keeps eating 100% cpu, using
an encrypted filesystem).
Possibly duplicates: #925309 #665211 (this last one was reported by me)
Not so sure: #838061
Quite nasty bug, since it forces a
Full log from which above was extracts. --Sampo
** Attachment added: "saz-ken.log-20120110.gz"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/913787/+attachment/2666788/+files/saz-ken.log-20120110.gz
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Bugs, which i
Ok found it: echo t >/proc/sysrq-trigger
My dd experiments apparently are not zombies, but unkillable, never the less.
For the
dd trials a call trace was found in the log. For the run-away transmission-gtk
thread (12991)
no such trace could be found. Please find below what I thought relevant. I'
As unbeliable as it may sound, my machine (Samsung NP300U) does not have sysrq
key. Is there some
other way to produce whatever alt-sysrq-t does?
However, I did find the /var/log/kern.log file. It starts from Jan 8 and last
time stamp was few minutes ago
so I believe it is valid.
I tried greppi
It looks like transmission has one thread trying to exit, which has
placed the process in the zombie state, and the other thread is runaway
in kernel space. Can you press alt-sysrq-t and look through
/var/log/kern.log for the section relating to that process?
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ps -lL 12989
F S UID PID PPID LWP C PRI NI ADDR SZ WCHAN TTYTIME CMD
0 Z 1000 12989 1 12989 0 80 0 - 0 exit ? 0:30
[transmission-gt]
1 R 1000 12989 1 12991 97 80 0 - 37113 - ?2694:09
[transmission-gt]
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How about ps -lL 12989?
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Title:
Defunct process consumes all CPU, init does not reap
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Easier way to reproduce:
cd /home/sampo # This directory is the encrypted home directory
dd if=/dev/zero of=seek5GB seek=5G bs=1K count=1
Then kill it.
--Sampo
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Re reproduction:
When you create the file (e.g. by write(2) system calls), the process gets
stuck at some point when
it goes over a threshold, suspected to be 4GB, though my file was actually 5GB.
Then I tried to kill the process (no effect) and then kill -9, which made it
zombie. Then I killed
The zombie is pid 12989
ps -axl
Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html
F UID PID PPID PRI NIVSZ RSS WCHAN STAT TTYTIME COMMAND
4 0 1 0 20 0 3316 1944 poll_s Ss ? 0:01 /sbin/init
1 0 2 0 20 0
LinuxMint 12, with all packages upgraded to latest on 20120107.
(This info was available in my original post near the end.)
(The link was broken when I tried it: it showed the typical Wiki "Add this
page" stand in
page. Seems this had been fixed since then.)
(Is there a way to trim from this thre
Are you running Ubuntu, or Mint?
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Title:
Defunct process consumes all CPU, init does not reap
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The name of the kernel package is "linux" and the link is not broken.
By definition a zombie process can not use any cpu since it has exited.
Can you post the output of ps -l on this process?
Also your reproduction steps are incomplete. You said create a 4gb
file, but then what? What process are
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