[asterisk-users] puzzle

Steve Totaro stotaro at totarotechnologies.com
Wed Nov 19 18:53:40 CST 2008 

Well then use whatever package manager you have.  Apt-get I assume.
Maybe that might help.

What do you get with "#ls -ltr /etc/init.d"?
-- 
Thanks,
Steve Totaro
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On Wed, Nov 19, 2008 at 7:19 PM, Jeff LaCoursiere <jeff at jeff.net> wrote:
>
> Its not Centos - there is no 'yum'.
>"service iptables stop" is what
> produced the hanging process in the first place - I think my big problem
> here is that a kernel module is broken, and there is no way to stop it,
> and there seems to be no way to unload it (in fact it is hung trying to do
> just that).
>
> Thanks for the suggestions, though!
>
> j
>
> On Wed, 19 Nov 2008, Steve Totaro wrote:
>
>> YUM update?  "service iptables stop" "service iptables start"?
>>
>> On Wed, Nov 19, 2008 at 4:46 PM, Jeff LaCoursiere <jeff at jeff.net> wrote:
>>>
>>> Hmm, I am more of a BSD guy I guess.  I would expect a pipe to show a 'p'
>>> in a long ls.  This is interesting though:
>>>
>>> [root at ast init.d]# cat /proc/modules | head
>>> ip_conntrack 45573 0 - Unloading 0xf8945000
>>> [root at ast init.d]# rmmod -f ip_conntrack
>>> ERROR: Removing 'ip_conntrack': Device or resource busy
>>>
>>> (sigh)
>>>
>>> I am pretty sure ip_conntrack is part of the iptables stuff...
>>>
>>> j
>>>
>>> On Wed, 19 Nov 2008, Danny Nicholas wrote:
>>>
>>>> /proc/modules is a pipe
>>>> You can see what is in there by type cat /proc/modules|more
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: asterisk-users-bounces at lists.digium.com
>>>> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jeff
>>>> LaCoursiere
>>>> Sent: Wednesday, November 19, 2008 2:47 PM
>>>> To: Asterisk Users Mailing List - Non-Commercial Discussion
>>>> Subject: Re: [asterisk-users] puzzle
>>>>
>>>>
>>>> A good idea!  The modprobe command is actually in the ps below - it is
>>>> part of the /etc/init.d/iptables script, and apparently was trying to
>>>> remove the ipt_state module.  The result, however:
>>>>
>>>> [root at ast init.d]# rmmod ipt_state
>>>> ERROR: Module ipt_state does not exist in /proc/modules
>>>>
>>>> (sigh).  In fact /proc/modules is empty.
>>>>
>>>> [root at ast init.d]# ls -ltr /proc/modules
>>>> -r--r--r--  1 root root 0 Nov 19 14:46 /proc/modules
>>>>
>>>> j
>>>>
>>>> On Wed, 19 Nov 2008, Danny Nicholas wrote:
>>>>
>>>>> Your could try this
>>>>> History|grep modprobe
>>>>> Rmmod XXX where xxx is the parameter from the history|grep modprobe.
>>>>> This of course assumes that the command is in your last 1000 commands.
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: asterisk-users-bounces at lists.digium.com
>>>>> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jeff
>>>>> LaCoursiere
>>>>> Sent: Wednesday, November 19, 2008 2:20 PM
>>>>> To: Asterisk Users Mailing List - Non-Commercial Discussion
>>>>> Subject: Re: [asterisk-users] puzzle
>>>>>
>>>>>
>>>>> Yes, the second 'ps' below showed the parent to be '1' (init), which means
>>>>> its real parent died already.
>>>>>
>>>>> Any attempt to flush the iptables hangs :(
>>>>>
>>>>> j
>>>>>
>>>>> On Wed, 19 Nov 2008, Danny Nicholas wrote:
>>>>>
>>>>>> Have you done a ps -elf to see if the process has a parent that is
>>>>>> re-launching or preserving it?
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: asterisk-users-bounces at lists.digium.com
>>>>>> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jeff
>>>>>> LaCoursiere
>>>>>> Sent: Wednesday, November 19, 2008 1:58 PM
>>>>>> To: asterisk-users at lists.digium.com
>>>>>> Subject: [asterisk-users] puzzle
>>>>>>
>>>>>>
>>>>>> Sorry again for the only marginal relation to asterisk, but the issue
>>>> does
>>>>>> affect the voice performance I am experiencing, so I am soothing my guilt
>>>>>> with that.
>>>>>>
>>>>>> Bet you don't see this every day:
>>>>>>
>>>>>> ast% uptime
>>>>>>  13:48:08 up 981 days, 18:29,  1 user,  load average: 1.08, 1.02, 1.01
>>>>>> ast%
>>>>>>
>>>>>> I *REALLY* want this machine to see 1000 days uptime, if for nothing
>>>> other
>>>>>> than bragging rights.  Its been through mysql and asterisk upgrades, a
>>>>>> horrible hacking nightmare that very nearly made me reboot, and several
>>>>>> power outages where the batteries lasted JUST long enough to keep her up.
>>>>>>
>>>>>> After all of this, I find I may have to reboot after all.  Because there
>>>>>> is a !$@#% process running, consuming 100% CPU (note the load average),
>>>>>> and I cannot seem to kill it:
>>>>>>
>>>>>> ast% ps auxw | grep modprobe
>>>>>> root     17744 99.9  0.0  2688  412 ?        RN   Nov03 23223:01 modprobe
>>>>>> -r ipt_state
>>>>>> ast% ps ealx | grep modprobe | grep -v grep
>>>>>> 4     0 17744     1  39  19  2688  412 -      RN   ?        23223:38
>>>>>> modprobe -r ipt_state
>>>>>> ast% sudo kill 17744
>>>>>> ast% sudo kill 17744
>>>>>> ast% sudo kill -9 17744
>>>>>> ast% sudo kill -9 17744
>>>>>> ast% !ps
>>>>>> ps ealx | grep modprobe | grep -v grep
>>>>>> 4     0 17744     1  39  19  2688  412 -      RN   ?        23224:41
>>>>>> modprobe -r ipt_state
>>>>>> ast%
>>>>>>
>>>>>> You may also notice that I tried "renice" to bump it all the way to +19
>>>>>> and still it consumes 100% of the CPU.  The result for asterisk is that I
>>>>>> hear bits of robot noise during conversations, which is annoying as hell
>>>>>> but not neccessarily show stopping.  But for another 19 days??  Argg!
>>>>>>
>>>>>> I assume that because it is 'modprobe' it has tickled some kernel bug
>>>> that
>>>>>> is merrily spinning away and won't respond to interrupts.  I even tried
>>>> to
>>>>>> stop it with gdb and strace, both of which also hung and had to be killed
>>>>>> with -9.
>>>>>>
>>>>>> It seems to be related to me screwing with the iptables a few weeks ago.
>>>>>>
>>>>>> Any ideas other than rebooting?
>>>>>>
>>>>>> Cheers,
>>>>>>
>>>>>> j
>>>>>>
>>>>>>
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>>>>>
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>>>
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>>
>>
>>
>> --
>> Thanks,
>> Steve Totaro
>> +18887771888 (Toll Free)
>> +12409381212 (Cell)
>> +12024369784 (Skype)
>>
>> _______________________________________________
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>>
>> asterisk-users mailing list
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>>   http://lists.digium.com/mailman/listinfo/asterisk-users
>>
>
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