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#1 2010-01-03 20:01:19

SiB
Member
Registered: 2008-07-03
Posts: 38

New kernel (2.6.32) is spawning zombie processes

Hi,

With the recent upgrade to the latest kernel 2.6.32 on both my i686 and x86_64 machines I stumbled upon a strange issue. Normally, I usually mount a samba network share under /mnt/archive. After the upgrade to 2.6.32, whenever I try to access the files on that mountpoint (with either Nautilus or simply doing an ls) the parent process get locked (100% CPU usage) and it can't be killed with kill -9 (it's a zombie process...). The strange thing is that I can access the share with Nautilus if I browse the network for shares. But doing an ls on the mountpoint simply freeze the ls process.

I usually mount the share with a simple script like this:

#!/bin/sh                                                                                           
# Script to start differents services when connected at home.                                 

# Automount archive samba share.                                                                    
SHARE="//xxx.xxx.xxx.xxx/archive"
MOUNT="/mnt/archive"
CRED="/root/.smbcred"
OPTIONS="credentials=$CRED,iocharset=utf8"

mount -t cifs $SHARE $MOUNT -o $OPTIONS

Is it a kernel issue or am I doing something wrong?

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#2 2010-01-03 20:12:51

dcc24
Member
Registered: 2009-10-31
Posts: 732

Re: New kernel (2.6.32) is spawning zombie processes

I have no evidence but seems like one of the several regressions introduced by 2.6.32. Does downgrading solve the problem?


It is better to keep your mouth shut and be thought a fool than to open it and remove all doubt. (Mark Twain)

My AUR packages

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#3 2010-01-03 20:19:27

SiB
Member
Registered: 2008-07-03
Posts: 38

Re: New kernel (2.6.32) is spawning zombie processes

dcc24 wrote:

I have no evidence but seems like one of the several regressions introduced by 2.6.32. Does downgrading solve the problem?

Yes indeed, downgrading solve the issue. But it's seems like a major regression to me sad. Never had any problem of that kind before. Is there anyway to report that regression upstream? Or in the Arch bug tracker?

Last edited by SiB (2010-01-03 20:20:10)

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#4 2010-01-03 20:21:48

dcc24
Member
Registered: 2009-10-31
Posts: 732

Re: New kernel (2.6.32) is spawning zombie processes

There are a lot of regressions introduced by 2.6.32 (wireless issues, graphics issues, 100% CPU issues etc), so chances are upstream already knows about it. For some of these there are patches available, but I'd stick with 2.6.31 until things get sorted out.

You can still report it at the Arch bug tracker. Upstream only handles the mainstream kernel, not distribution kernels.

Last edited by dcc24 (2010-01-03 20:24:33)


It is better to keep your mouth shut and be thought a fool than to open it and remove all doubt. (Mark Twain)

My AUR packages

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