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Old 04-01-2008, 03:23 PM
Jonathan Allen
 
Default What does this mean?

Hi All,

Our bright and sparkling new F8 installation is producing some funny
reports on the daily logwatch email. Can anyone tell me what the
following two or three types of errors mean?

--------------------- sendmail Begin ------------------------

System Error Messages:
putbody: write error: Broken pipe: 2 Time(s)

Total SEVERE ERRORS: 2

**Unmatched Entries**
MCI@0x0: NULL: 4 Time(s)
1: fl=0x1, mode=20666: CHR: dev=0/15, ino=195, nlink=1, u/gid=0/0, size=0: 2 Time(s)
6: fl=0x8000, mode=100640: dev=253/0, ino=24150023, nlink=1, u/gid=0/0, size=12288: 2 Time(s)
0: fl=0x0, mode=20666: CHR: dev=0/15, ino=195, nlink=1, u/gid=0/0, size=0: 2 Time(s)
10: fl=0x8000, mode=100640: dev=253/0, ino=1579, nlink=1, u/gid=0/51, size=12288: 2 Time(s)
11: fl=0x8000, mode=100640: dev=253/0, ino=1579, nlink=1, u/gid=0/51, size=12288: 2 Time(s)
2: fl=0x1, mode=20666: CHR: dev=0/15, ino=195, nlink=1, u/gid=0/0, size=0: 2 Time(s)
9: fl=0x8000, mode=100640: dev=253/0, ino=1580, nlink=1, u/gid=0/0, size=12288: 2 Time(s)
3: fl=0x2, mode=140777: SOCK localhost->[[UNIX: /dev/log]]: 2 Time(s)
7: fl=0x8000, mode=100640: dev=253/0, ino=24150023, nlink=1, u/gid=0/0, size=12288: 2 Time(s)
8: fl=0x8000, mode=100640: dev=253/0, ino=1580, nlink=1, u/gid=0/0, size=12288: 2 Time(s)
12: fl=0x1, mode=100600: dev=253/0, ino=15892483, nlink=1, u/gid=0/51, size=1429: 1 Time(s)
12: fl=0x1, mode=100600: dev=253/0, ino=15892483, nlink=1, u/gid=0/51, size=1419: 1 Time(s)
14: fl=0x0, mode=10600: FIFO: dev=0/5, ino=12541, nlink=1, u/gid=0/51, size=0: 1 Time(s)
13: fl=0x1, mode=10600: FIFO: dev=0/5, ino=12540, nlink=1, u/gid=0/51, size=0: 1 Time(s)
14: fl=0x0, mode=10600: FIFO: dev=0/5, ino=292436, nlink=1, u/gid=0/51, size=0: 1 Time(s)
5: fl=0x0, mode=100600: dev=253/0, ino=15892481, nlink=1, u/gid=0/51, size=2344: 1 Time(s)
13: fl=0x1, mode=10600: FIFO: dev=0/5, ino=292435, nlink=1, u/gid=0/51, size=0: 1 Time(s)
5: fl=0x0, mode=100600: dev=253/0, ino=15892481, nlink=1, u/gid=0/51, size=2218: 1 Time(s)

---------------------- sendmail End -------------------------

Jonathan

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Old 07-21-2012, 05:58 PM
Paul E Condon
 
Default What does this mean?

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 07-22-2012, 07:24 AM
Chris Bannister
 
Default What does this mean?

On Sat, Jul 21, 2012 at 11:58:52AM -0600, Paul E Condon 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:

[snip kernel messages.

> #### 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?

Dunno, but I wouldn't trust it. I'd suspect a h/w problem.
Don't store any important data on it.
Can you guarrantee that the data integrity is ok?
Boot a knoppix cd, run memtest.

Find a test disk to test h/w
HDD, motherboard, etc

Anyone know of any good ones?

I'm on the lookout for some myself

--
"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 07-22-2012, 01:20 PM
Camaleón
 
Default What does this mean?

On Sat, 21 Jul 2012 11:58:52 -0600, Paul E Condon 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:[233576.618994] EIP: [<f7de2458>]
> jbd2_journal_grab_journal_head+0xf/0x36 [jbd2] SS:ESP 0068:f6e83d38

(...)

You got a kernel oops, and Google suggests as a possible source of the
error a bad memory RAM stick (long mode). Being a second hand computer
you better run a memtest and run a pile of system stress tests to check
the computer components health (mainly micro, memory and hard disks).

Greetings,

--
Camaleón


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Old 07-22-2012, 10:18 PM
Paul E Condon
 
Default What does this mean?

On 20120722_132033, Camaleón wrote:
> On Sat, 21 Jul 2012 11:58:52 -0600, Paul E Condon 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:[233576.618994] EIP: [<f7de2458>]
> > jbd2_journal_grab_journal_head+0xf/0x36 [jbd2] SS:ESP 0068:f6e83d38
>
> (...)
>
> You got a kernel oops, and Google suggests as a possible source of the
> error a bad memory RAM stick (long mode). Being a second hand computer
> you better run a memtest and run a pile of system stress tests to check
> the computer components health (mainly micro, memory and hard disks).
>
> Greetings,
>
> --
> Camaleón

I'm trying to learn. When I try to repeat your Googling the only hits
that I get are links to *my*own* query on this list. (Not much help,
Google. Yes I know the question.) Give me some more information on
what query string gave you the RAM stick (long mode) answer. You've
given me a fish. Thankyou. But I'd like to learn how to fish.

Memory test and other component tests:

Do you have any suggestions as to what I might download.

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?

Actually, I've already learned something really significant to me:
Back when I hit Enter to send my original post, I didn't know for sure
that these lines were actually significant. An alternative explanation
that I had in mind was that the kernel issued messages like these
frequently but Gnome, or some other high level thing, trapped them and
sent them to /dev/null. It is really nice to know that two significant
people here take the content of these messages seriously.

I bought the computer from a computer recycling business. They know
about Windows, but not so much about Linux. I'd like to take some
information to them about the nature of the problem, AND I'd like to
be prepared to test whatever 'fix' we (the business, and I) agree to
try. I saw this computer run Windows XP, before I took out the
XP-holding disk and put in my own HD as the first step in installing
Linux

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


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Old 07-22-2012, 11:04 PM
Chris Bannister
 
Default What does this mean?

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.

--
"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 07-23-2012, 04:21 AM
Paul E Condon
 
Default What does this mean?

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. 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. 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


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Old 07-23-2012, 08:44 AM
Keith McKenzie
 
Default What does this mean?

---------- Forwarded message ----------
From: Paul E Condon <pecondon@mesanetworks.net>
Date: 23 July 2012 05:21
Subject: Re: What does this mean?

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. 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. 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
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~

Knoppix sites for you to get a grounding in running the live cd/dvd.

http://www.knopper.net/knoppix/knoppix702-en.html
http://knoppix.net/wiki/Main_Page

HTH
--
Sent from FOSS (Free Open Source Software)
Debian GNU/Linux


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Old 07-23-2012, 01:45 PM
Camaleón
 
Default What does this mean?

On Sun, 22 Jul 2012 16:18:07 -0600, Paul E Condon wrote:

> On 20120722_132033, Camaleón wrote:

>> > 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
>>
>> (...)
>>
>> You got a kernel oops, and Google suggests as a possible source of the
>> error a bad memory RAM stick (long mode). Being a second hand computer
>> you better run a memtest and run a pile of system stress tests to check
>> the computer components health (mainly micro, memory and hard disks).
>>
>
> I'm trying to learn. When I try to repeat your Googling the only hits
> that I get are links to *my*own* query on this list. (Not much help,
> Google. Yes I know the question.) Give me some more information on what
> query string gave you the RAM stick (long mode) answer. You've given me
> a fish. Thankyou. But I'd like to learn how to fish.

Okay, I'll show the magic but this has to be a secret bewteen us... X-)

I just searched for the line I considered suspicious (there were not many
in the logs you sent), that is, the keyword here is
"jbd2_journal_grab_journal_head" which returned a bunch of interesting
links: a bug report from openSUSE and also messages from the kernel
mailing list and both sources related to RAM as the possible cause of the
oops.

https://bugzilla.novell.com/show_bug.cgi?id=755112#c1
http://lkml.indiana.edu/hypermail/linux/kernel/1201.1/02285.html

Joining the points and given that you got a computer that was not brand
new, it makes indeed sense a hardware component problem can be hitting
you.

> Memory test and other component tests:
>
> Do you have any suggestions as to what I might download.

I prefer to run the tests from a Live system and my favorite distro for
this is SystemRescueCD but I know of others aimed to run power stress
tests to verify the harwdare component's health, such as:

http://www.inquisitor.ru/about/index.html

> 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?

I don't know Knoppix much, sorry :-( but there has to be a list of the
packages included somewhere... ah, found it:

ftp://ftp.gwdg.de/pub/linux/knoppix/packages.txt

Anyway, "memtest" is also available in Debian repos, I mean, if you
wanted to check the RAM modules, that should be enough.

> Actually, I've already learned something really significant to me: Back
> when I hit Enter to send my original post, I didn't know for sure that
> these lines were actually significant. An alternative explanation that I
> had in mind was that the kernel issued messages like these frequently
> but Gnome, or some other high level thing, trapped them and sent them to
> /dev/null. It is really nice to know that two significant people here
> take the content of these messages seriously.

Well, an kernel oops is always something to care about.

GNOME has a tool (kerneloops) that displays these messages in the user's
face and this can be nice to have because sometimes the "oopes" are
hidden in the syslog files and usually got unnoticed unless the user
experiences a serious problem with the system (reboots or hangs) and
starts raeding the logs.

> I bought the computer from a computer recycling business. They know
> about Windows, but not so much about Linux. I'd like to take some
> information to them about the nature of the problem, AND I'd like to be
> prepared to test whatever 'fix' we (the business, and I) agree to try. I
> saw this computer run Windows XP, before I took out the XP-holding disk
> and put in my own HD as the first step in installing Linux

Second hand computers are more prone to hardware failures because you
don't really know what have been they doing (power on hours) nor their
environment (there are companies that care about their machines but other
will just treat computers like fridges that open just one every 5 years
or so...). It's kinda russian roulette :-/

Greetings,

--
Camaleón


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Old 07-23-2012, 02:28 PM
Chris Bannister
 
Default What does this mean?

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

--
"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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