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Old 07-23-2012, 03:45 PM
Morning Star
 
Default What does this mean?

Paul,Are you using squeeze for 64-bit architecture?


On Sat, Jul 21, 2012 at 10:58 AM, Paul E Condon <pecondon@mesanetworks.net> wrote:

I'm running a computer box that is recently purchased second hand -

new to me, but not new. *While running a script that does a disk to

disk copy with some reformatting on a file of a few GB, I got this

burst of lines on all open gnome-terminal windows:



#### start of cut and paste:

Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.618678] Oops: 0002 [#1] SMP



Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.618683] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.1/host0/target0:0:0/0:0:0:0/block/sda/uevent



Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.618801] Process kswapd0 (pid: 23, ti=f6e82000 task=f6c35940 task.ti=f6e82000)



Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.618804] Stack:



Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.618836] Call Trace:



Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.618949] Code: 83 78 10 01 7e 0e 8b 40 0c ba 0c 00 00 00 f6 40 2b 02 75 05 ba 08 00 00 00 89 d0 c3 89 c2 eb 0b f3 90 8b 02 a9 00 00 80 00 75 f5 <3e> 0f ba 2a 17 19 c0 85 c0 75 ec 8b 02 31 c9 a9 00 00 01 00 74




Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.618994] EIP: [<f7de2458>] jbd2_journal_grab_journal_head+0xf/0x36 [jbd2] SS:ESP 0068:f6e83d38



Message from syslogd@gq at Jul 21 04:40:03 ...

*kernel:[233576.619006] CR2: 0000000000000013



#### end



The computer is a Dell desktop on which I have loaded Squeeze and

Gnome. I've seen this type of outburst from this computer before, but

haven't had the presence of mind to capture a copy and send it to this

list. The computer is running only a home brew data processing script

in written in Bash and there are several window open to monitor

different aspects of its progress. The script does not crash. It

continues to be possible to interact with it, including, even using

aptitude to install software. What does this outburst mean?



TIA

--

Paul E Condon

pecondon@mesanetworks.net





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Old 07-24-2012, 02:50 AM
Paul E Condon
 
Default What does this mean?

On 20120724_022817, Chris Bannister wrote:
> On Sun, Jul 22, 2012 at 10:21:34PM -0600, Paul E Condon wrote:
> > On 20120723_110432, Chris Bannister wrote:
> > > On Sun, Jul 22, 2012 at 04:18:07PM -0600, Paul E Condon wrote:
> > > > I have already downloaded Knoppix v7.0.1, per Chris' suggestion, but
> > > > have not yet found out what to do with it. Does it have memory,
> > > > component test software on it?
> > >
> > > Yes. At boot prompt read help screens.
> >
> > Using the disk I downloaded yesterday and got burnt today, there is a
> > fancy KDE gui, but no help screens about such trivia as getting it
>
> Did you not see this:
> http://www.knopper.net/knoppix/knoppix701-bootscreen.png

In the bottom left hand corner there is "boot:". The rest is art work,
not information. The Knoppix 'cheat sheets' give syntatically valid
cheats, but little or no explanation of what kind of misbehavior would
indicate the use of a particular cheat. I find myself with a
misbehaving computer. I can't simply accept whatever happens as being
right and proper behavior. I'm looking for some idea of the sequence
of events that should happen on a fully functional computer so that I
can catch when things start to go bad.

I've started using Knoppix on a different computer that is in working
condition and discovering some of the answers to my questions. It is
slow work, but 'educational'. I think I'll be at this for a while.

Peace.
--
Paul E Condon
pecondon@mesanetworks.net


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Old 07-24-2012, 02:57 AM
Paul E Condon
 
Default What does this mean?

On 20120723_084535, Morning Star wrote:
> Paul,
> Are you using squeeze for 64-bit architecture?

No. I'm using i386 or perhaps i686. The computer is absolutely not
a speed deamon. It was purchased to be a plodding old work horse.


>
>
>
> On Sat, Jul 21, 2012 at 10:58 AM, Paul E Condon
> <pecondon@mesanetworks.net>wrote:
>
> > I'm running a computer box that is recently purchased second hand -
> > new to me, but not new. While running a script that does a disk to
> > disk copy with some reformatting on a file of a few GB, I got this
> > burst of lines on all open gnome-terminal windows:
> >
> > #### start of cut and paste:
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.618678] Oops: 0002 [#1] SMP
> >
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.618683] last sysfs file:
> > /sys/devices/pci0000:00/0000:00:1f.1/host0/target0:0:0/0:0:0:0/block/sda/uevent
> >
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.618801] Process kswapd0 (pid: 23, ti=f6e82000
> > task=f6c35940 task.ti=f6e82000)
> >
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.618804] Stack:
> >
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.618836] Call Trace:
> >
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.618949] Code: 83 78 10 01 7e 0e 8b 40 0c ba 0c 00 00 00 f6
> > 40 2b 02 75 05 ba 08 00 00 00 89 d0 c3 89 c2 eb 0b f3 90 8b 02 a9 00 00 80
> > 00 75 f5 <3e> 0f ba 2a 17 19 c0 85 c0 75 ec 8b 02 31 c9 a9 00 00 01 00 74
> >
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.618994] EIP: [<f7de2458>]
> > jbd2_journal_grab_journal_head+0xf/0x36 [jbd2] SS:ESP 0068:f6e83d38
> >
> > Message from syslogd@gq at Jul 21 04:40:03 ...
> > kernel:[233576.619006] CR2: 0000000000000013
> >
> > #### end
> >
> > The computer is a Dell desktop on which I have loaded Squeeze and
> > Gnome. I've seen this type of outburst from this computer before, but
> > haven't had the presence of mind to capture a copy and send it to this
> > list. The computer is running only a home brew data processing script
> > in written in Bash and there are several window open to monitor
> > different aspects of its progress. The script does not crash. It
> > continues to be possible to interact with it, including, even using
> > aptitude to install software. What does this outburst mean?
> >
> > TIA
> > --
> > Paul E Condon
> > pecondon@mesanetworks.net
> >
> >
> > --
> > To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org
> > with a subject of "unsubscribe". Trouble? Contact
> > listmaster@lists.debian.org
> > Archive: http://lists.debian.org/20120721175851.GD2231@big.lan.gnu
> >
> >

--
Paul E Condon
pecondon@mesanetworks.net


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Old 07-24-2012, 02:56 PM
Chris Bannister
 
Default What does this mean?

On Mon, Jul 23, 2012 at 08:50:44PM -0600, Paul E Condon wrote:
> On 20120724_022817, Chris Bannister wrote:
> > Did you not see this:
> > http://www.knopper.net/knoppix/knoppix701-bootscreen.png
>
> In the bottom left hand corner there is "boot:". The rest is art work,
> not information.

Huh? what happens when you press F2 there, or F3 or Fx (0 < x < 10)

You should find a screen with boot options. ONE of them¹ mentions booting
into memtest.

Are you sure you can't find it?

¹ There are heaps of other boot options.

--
"If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the
oppressing." --- Malcolm X


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Old 07-24-2012, 03:25 PM
Joel Rees
 
Default What does this mean?

On Sun, Jul 22, 2012 at 2:58 AM, Paul E Condon
<pecondon@mesanetworks.net> wrote:
> I'm running a computer box that is recently purchased second hand -
> new to me, but not new.

Did you do the usual -- vacuuming out the dust, re-seating RAM and
controller cards, cables, etc.?

> While running a script that does a disk to
> disk copy with some reformatting on a file of a few GB, I got this
> burst of lines on all open gnome-terminal windows:
>
> #### start of cut and paste:
> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.618678] Oops: 0002 [#1] SMP
>
> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.618683] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.1/host0/target0:0:0/0:0:0:0/block/sda/uevent

Some device on the PCI bus is complaining, etc. Be nice if just a
little physical housecleaning gets rid of those. Otherwise, well, ...

BTW, you can search the web on the device address in that part of the
message, too, to try to figure out what device is complaining. But all
the zeros make me think it's the bus controller itself. (Not that I
know anything about this kind of stuff.)

> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.618801] Process kswapd0 (pid: 23, ti=f6e82000 task=f6c35940 task.ti=f6e82000)

eek. Seem to have trouble getting stuff into or out of swap.

> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.618804] Stack:
>
> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.618836] Call Trace:
>
> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.618949] Code: 83 78 10 01 7e 0e 8b 40 0c ba 0c 00 00 00 f6 40 2b 02 75 05 ba 08 00 00 00 89 d0 c3 89 c2 eb 0b f3 90 8b 02 a9 00 00 80 00 75 f5 <3e> 0f ba 2a 17 19 c0 85 c0 75 ec 8b 02 31 c9 a9 00 00 01 00 74

And you could disassemble that and likely be none-the-wiser, although,
again, you might find physical port addresses and such. Which may or
may not help.

> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.618994] EIP: [<f7de2458>] jbd2_journal_grab_journal_head+0xf/0x36 [jbd2] SS:ESP 0068:f6e83d38

And the journal process is not stable. Likely to lead to silent data
loss until it gets bad enough to start casing panics and such.

> Message from syslogd@gq at Jul 21 04:40:03 ...
> kernel:[233576.619006] CR2: 0000000000000013
>
> #### end
>
> The computer is a Dell desktop on which I have loaded Squeeze and
> Gnome. I've seen this type of outburst from this computer before, but
> haven't had the presence of mind to capture a copy and send it to this
> list. The computer is running only a home brew data processing script
> in written in Bash and there are several window open to monitor
> different aspects of its progress. The script does not crash. It
> continues to be possible to interact with it, including, even using
> aptitude to install software. What does this outburst mean?
>
> TIA
> --
> Paul E Condon
> pecondon@mesanetworks.net

--
Joel Rees


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Old 07-24-2012, 03:34 PM
Joel Rees
 
Default What does this mean?

On Mon, Jul 23, 2012 at 1:21 PM, Paul E Condon
<pecondon@mesanetworks.net> wrote:
> On 20120723_110432, Chris Bannister wrote:
>> On Sun, Jul 22, 2012 at 04:18:07PM -0600, Paul E Condon wrote:
>> > I have already downloaded Knoppix v7.0.1, per Chris' suggestion, but
>> > have not yet found out what to do with it. Does it have memory,
>> > component test software on it?
>>
>> Yes. At boot prompt read help screens.
>
> Using the disk I downloaded yesterday and got burnt today, there is a
> fancy KDE gui, but no help screens about such trivia as getting it
> working on possibly defective, broken, hardware. I got it working on a
> different computer and discovered that it uses UNIONFS to overlay an
> record of changes that one makes to files on the root partition.

It only saves stuff to physical disk if you tell it to, IIRC.

> But
> even on my better computer, I couldn't find a way to exit from Knoppix
> gracefully. Shutdown only shut down KDE and left the computer in a
> state where it was unresponsive to any keyboard keys that I could
> think to try.

That's called the power-down state.

Many live CDs don't have the complete power manager stuff to cover
every mobo's way to turn itself completely off.

It should have put a message on the screen about it being safe to turn
the power off or re-boot, however.

> I had to do a press-and-hold the power button to recover
> the use of the computer. When it came back up in Squeeze, the changes
> that I had made to a file on the root partition were not there. The
> had not been written to real disk during the somewhat brutal shutdown.
>
> One bright spot for the day. The new memtest+ package in Squeeze has a
> nice feature: It edits grub config to included memtest+ image in the
> boot menu. With this, one doesn't have to have a working CDROM drive
> to do a memtest. I have one running now on the problem box.
>
> I'll be looking into earlier versions of Knoppix tomorrow.
>
>
> --
> Paul E Condon
> pecondon@mesanetworks.net

--
Joel Rees


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