system hangs after reboot

system hangs after reboot

[Arno Seitzinger]

Hi NG,

for a couple of days, my Suse Linux 8.1 (2.4.19) on a HP Omnibook XE3 Laptop 
shows a strange behaviour: it hangs after a reboot (shutdown -r now od from 
KDE). First it starts as usual, but freezes after "switching to runlevel 
5", when initializing the random number generator and the network.
I pasted the output of a good and a bad boot.msg below.

My last actions, before I noticed it doesn't reboot anymore, were:
- use the cellphone to access internet
- create a new user because of OpenOffice store failure
- clear tmp directory in single user mode (because of OpenOffice store 
failure - was this stupid?)
- new (workstation) installation of OpenOffice

Nayone around who can give me a clou where to look next?
Arno

***boot.msg when system hangs
=============================
[...]
Master Resource Control: previous runlevel: N, switching to runlevel:
5

done<notice>killproc: kill(30,3)

INIT: Entering runlevel: 5

<notice>/etc/init.d/rc5.d/S01isdn start
<notice>'/etc/init.d/rc5.d/S01isdn start' exits with status 0
<notice>/etc/init.d/rc5.d/S01random start
<notice>'/etc/init.d/rc5.d/S01random start' exits with status 0
<notice>/etc/init.d/rc5.d/S05network start

***boot.msg normally
====================
[...]
Master Resource Control: previous runlevel: N, switching to runlevel:
5


done<notice>killproc: kill(30,3)

INIT: Entering runlevel: 5


<notice>/etc/init.d/rc5.d/S01isdn start
<notice>'/etc/init.d/rc5.d/S01isdn start' exits with status 0
<notice>/etc/init.d/rc5.d/S01random start
<notice>'/etc/init.d/rc5.d/S01random start' exits with status 0
<notice>/etc/init.d/rc5.d/S05network start
<notice>Initializing random number generator
done

Setting up network interfaces:

    lo
done

    eth0      (DHCP) startproc: execve (/sbin/dhcpcd) [ /sbin/dhcpcd -H -D 
-N -Y -t 999999 -h esw44 eth0 ], [ CONSOLE=/dev/console TERM=linux 
SHELL=/bin/sh OLDPWD=/etc/sysconfig/network INIT_VERSION=sysvinit-2.82 
RUN_FROM_RC=yes REDIRECT=/dev/tty1 COLUMNS=106 
PATH=/sbin:/usr/sbin:/bin:/usr/bin:/etc/sysconfig/network/scripts vga=791 
RUNLEVEL=5 PWD=/etc/sysconfig/network PREVLEVEL=N LINES=34 HOME=/ SHLVL=4 
_=/sbin/startproc DAEMON=/sbin/dhcpcd ]
<notice>pidofproc: dhcpcd 347


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Re: system hangs after reboot

[Ray Olszewski]

Four questions about what you posted ...

1. In the "good init" sequence, what happens next? You're asking us to 
compare a bad init to nothing (as regards the part that is bad).

2. When you say the system "hangs" and "freezes", how carefully have you 
assessed that? How long have you waited before giving up? What happens if 
you CRTL-C when the system is "hung"?

3. What is eth0 and how does it connect to the Internet? If the problem is 
associated with a DHCP failure of some type, the details of the interface 
it is using may matter.

4. Is the problem only associated with a soft ("shutdown -r") reboot? If 
you do a power-down reboot, does the system boot and init properly?

At 09:53 AM 12/16/02 +0100, Arno Seitzinger wrote:
>Hi NG,
>
>for a couple of days, my Suse Linux 8.1 (2.4.19) on a HP Omnibook XE3 Laptop
>shows a strange behaviour: it hangs after a reboot (shutdown -r now od from
>KDE). First it starts as usual, but freezes after "switching to runlevel
>5", when initializing the random number generator and the network.
>I pasted the output of a good and a bad boot.msg below.
>
>My last actions, before I noticed it doesn't reboot anymore, were:
>- use the cellphone to access internet
>- create a new user because of OpenOffice store failure
>- clear tmp directory in single user mode (because of OpenOffice store
>failure - was this stupid?)
>- new (workstation) installation of OpenOffice
>
>Nayone around who can give me a clou where to look next?
>Arno
>
>***boot.msg when system hangs
>=============================
>[...]
>Master Resource Control: previous runlevel: N, switching to runlevel:
>5
>
>done<notice>killproc: kill(30,3)
>
>INIT: Entering runlevel: 5
>
><notice>/etc/init.d/rc5.d/S01isdn start
><notice>'/etc/init.d/rc5.d/S01isdn start' exits with status 0
><notice>/etc/init.d/rc5.d/S01random start
><notice>'/etc/init.d/rc5.d/S01random start' exits with status 0
><notice>/etc/init.d/rc5.d/S05network start
>
>***boot.msg normally
>====================
>[...]
>Master Resource Control: previous runlevel: N, switching to runlevel:
>5
>
>
>done<notice>killproc: kill(30,3)
>
>INIT: Entering runlevel: 5
>
>
><notice>/etc/init.d/rc5.d/S01isdn start
><notice>'/etc/init.d/rc5.d/S01isdn start' exits with status 0
><notice>/etc/init.d/rc5.d/S01random start
><notice>'/etc/init.d/rc5.d/S01random start' exits with status 0
><notice>/etc/init.d/rc5.d/S05network start
><notice>Initializing random number generator
>done
>
>Setting up network interfaces:
>
>     lo
>done
>
>     eth0      (DHCP) startproc: execve (/sbin/dhcpcd) [ /sbin/dhcpcd -H -D
>-N -Y -t 999999 -h esw44 eth0 ], [ CONSOLE=/dev/console TERM=linux
>SHELL=/bin/sh OLDPWD=/etc/sysconfig/network INIT_VERSION=sysvinit-2.82
>RUN_FROM_RC=yes REDIRECT=/dev/tty1 COLUMNS=106
>PATH=/sbin:/usr/sbin:/bin:/usr/bin:/etc/sysconfig/network/scripts vga=791
>RUNLEVEL=5 PWD=/etc/sysconfig/network PREVLEVEL=N LINES=34 HOME=/ SHLVL=4
>_=/sbin/startproc DAEMON=/sbin/dhcpcd ]
><notice>pidofproc: dhcpcd 347



--
-------------------------------------------"Never tell me the odds!"--------
Ray Olszewski					-- Han Solo
Palo Alto, California, USA			  ray@comarre.com
-------------------------------------------------------------------------------

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Re: system hangs after reboot

[Paul Furness]

Here's yet another set of questions to look at :)


1. If you change /etc/init.tab so that the system boots into run level
3, then reboot, do you get any errors? 
2. If not, try logging in as a user and running "startx" to see what
errors you get (if any) on the terminal.
3. It sounds like you have a network thing going on. If you wait long
enough, it might start anyway. sendmail often does this when your host
table doesn't agree with your IP address. Other programs also have this
problem. Therefore, check that you have an "/etc/hosts" file and that it
is correct and complete (at least as far as info about the problem
machine goes).

P.


On Mon, 2002-12-16 at 16:07, Ray Olszewski wrote:
> Four questions about what you posted ...
> 
> 1. In the "good init" sequence, what happens next? You're asking us to 
> compare a bad init to nothing (as regards the part that is bad).
> 
> 2. When you say the system "hangs" and "freezes", how carefully have you 
> assessed that? How long have you waited before giving up? What happens if 
> you CRTL-C when the system is "hung"?
> 
> 3. What is eth0 and how does it connect to the Internet? If the problem is 
> associated with a DHCP failure of some type, the details of the interface 
> it is using may matter.
> 
> 4. Is the problem only associated with a soft ("shutdown -r") reboot? If 
> you do a power-down reboot, does the system boot and init properly?
> 
> At 09:53 AM 12/16/02 +0100, Arno Seitzinger wrote:
> >Hi NG,
> >
> >for a couple of days, my Suse Linux 8.1 (2.4.19) on a HP Omnibook XE3 Laptop
> >shows a strange behaviour: it hangs after a reboot (shutdown -r now od from
> >KDE). First it starts as usual, but freezes after "switching to runlevel
> >5", when initializing the random number generator and the network.
> >I pasted the output of a good and a bad boot.msg below.
> >
> >My last actions, before I noticed it doesn't reboot anymore, were:
> >- use the cellphone to access internet
> >- create a new user because of OpenOffice store failure
> >- clear tmp directory in single user mode (because of OpenOffice store
> >failure - was this stupid?)
> >- new (workstation) installation of OpenOffice
> >
> >Nayone around who can give me a clou where to look next?
> >Arno
> >
> >***boot.msg when system hangs
> >=============================
> >[...]
> >Master Resource Control: previous runlevel: N, switching to runlevel:
> >5
> >
> >done<notice>killproc: kill(30,3)
> >
> >INIT: Entering runlevel: 5
> >
> ><notice>/etc/init.d/rc5.d/S01isdn start
> ><notice>'/etc/init.d/rc5.d/S01isdn start' exits with status 0
> ><notice>/etc/init.d/rc5.d/S01random start
> ><notice>'/etc/init.d/rc5.d/S01random start' exits with status 0
> ><notice>/etc/init.d/rc5.d/S05network start
> >
> >***boot.msg normally
> >====================
> >[...]
> >Master Resource Control: previous runlevel: N, switching to runlevel:
> >5
> >
> >
> >done<notice>killproc: kill(30,3)
> >
> >INIT: Entering runlevel: 5
> >
> >
> ><notice>/etc/init.d/rc5.d/S01isdn start
> ><notice>'/etc/init.d/rc5.d/S01isdn start' exits with status 0
> ><notice>/etc/init.d/rc5.d/S01random start
> ><notice>'/etc/init.d/rc5.d/S01random start' exits with status 0
> ><notice>/etc/init.d/rc5.d/S05network start
> ><notice>Initializing random number generator
> >done
> >
> >Setting up network interfaces:
> >
> >     lo
> >done
> >
> >     eth0      (DHCP) startproc: execve (/sbin/dhcpcd) [ /sbin/dhcpcd -H -D
> >-N -Y -t 999999 -h esw44 eth0 ], [ CONSOLE=/dev/console TERM=linux
> >SHELL=/bin/sh OLDPWD=/etc/sysconfig/network INIT_VERSION=sysvinit-2.82
> >RUN_FROM_RC=yes REDIRECT=/dev/tty1 COLUMNS=106
> >PATH=/sbin:/usr/sbin:/bin:/usr/bin:/etc/sysconfig/network/scripts vga=791
> >RUNLEVEL=5 PWD=/etc/sysconfig/network PREVLEVEL=N LINES=34 HOME=/ SHLVL=4
> >_=/sbin/startproc DAEMON=/sbin/dhcpcd ]
> ><notice>pidofproc: dhcpcd 347
> 
> 
> 
> --
> -------------------------------------------"Never tell me the odds!"--------
> Ray Olszewski					-- Han Solo
> Palo Alto, California, USA			  ray@comarre.com
> -------------------------------------------------------------------------------
> 
> -
> To unsubscribe from this list: send the line "unsubscribe linux-newbie" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.linux-learn.org/faqs
-- 
Paul Furness

Systems Manager

Steepness is an illusion caused by flat things leaning over.

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Re: system hangs after reboot

[Arno Seitzinger]

Hi Ray and Paul,
thanks for your interest.

I investigated a little bit deeper, but am stil clueless:

_changed 20:20 CET: no more clueless._ A couple of days ago I removed the 
PCMCIA CAN-Card which was innocently sitting in my cardslot for months. 
Maybe it received a different configuration when I re-inserted it. After 
removal of the CAN-Card, the system reboots as usual. Thank you for your 
assistance.


> 1. If you change /etc/init.tab so that the system boots into run level
> 3, then reboot, do you get any errors?

Errors (errormessages), no, but the system hangs like before.


> 3. It sounds like you have a network thing going on. If you wait long
> enough, it might start anyway. sendmail often does this when your host
> table doesn't agree with your IP address. Other programs also have this
> problem. Therefore, check that you have an "/etc/hosts" file and that it
> is correct and complete (at least as far as info about the problem
> machine goes).

I also think it is a network problem because if I boot into a runlevel w/o 
network, the system does not freeze. It also does not freeze when I remove 
the network card from the configuration.
My /etc/hosts is
127.0.0.1       localhost
::1             localhost ipv6-localhost ipv6-loopback
fe00::0         ipv6-localnet
ff00::0         ipv6-mcastprefix
ff02::1         ipv6-allnodes
ff02::2         ipv6-allrouters
ff02::3         ipv6-allhosts
127.0.0.2       esw44.mdom1     esw44
and was set up automatically by yast-setuptool

When the freeze occurs, the cursor stops blinking, the animated ball on the 
boot screen stops jumping and the system won't react to anything (ctrl-c, 
ctrl-alt-del etc), only power-off and display brightness. A cold boot 
always works, and it also boots up correctly when I do a warm reboot 
(shutdown -r now) but switch off the power the moment the bios screen 
appears.


>> 1. In the "good init" sequence, what happens next? You're asking us to
>> compare a bad init to nothing (as regards the part that is bad).

In the "bad init" sequence, the file ends after 
<notice>/etc/init.d/rc5.d/S05network start

In the "good init" sequence, I cut the rest of the file after the 
configuration of eth0. ppp0 is started next (manual dialup w/ cellphone).
After that, hotplugging services are started.


>> 2. When you say the system "hangs" and "freezes", how carefully have you
>> assessed that? How long have you waited before giving up? What happens if
>> you CRTL-C when the system is "hung"?

I waited for about 15 minutes. ctrl-c does not do anything... but it doesn't 
do anything elsewhere in the bootup process anyhow...
I will let the machine sit overnight trying to boot, but I dont think it 
will bring us further. Is there a possibility to redirect

>> 3. What is eth0 and how does it connect to the Internet? If the problem
>> is associated with a DHCP failure of some type, the details of the
>> interface it is using may matter.

eth0 is the only ethernet port on that machine (builtin Accton EN1216 card).
The problem is not associated with a DHCP failure because the freeze also 
occurs when the machine is assigned a fixed IP-address


>> 4. Is the problem only associated with a soft ("shutdown -r") reboot? If
>> you do a power-down reboot, does the system boot and init properly?

2*Yes


Greets and thanks

Arno





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