[WBEL-users] Strange behaviour when booting

[Benedikt Carda]

Hi,

thank you for the answer. I believe what you are saying, but anyway I 
would be interested: How can it be that the power supply causes an error 
like this? Does it serve to little power? Does the system need more 
power when booting than when already up and running?

Best Regards,
Benedikt.


Matthew Hodgett schrieb:

>I hate to say this, but on every occasion I have encountered something
>like this it has been hardware, usually the power supply from what you
>are describing. I did have a box that had ongoing boot problems, once it
>got going it was fine, but is was the hard disk that was going faulty
>which caused that one.
>
>Even recently I had problems with WBEL starting. I could install the OS,
>I could rescue the thing, I could do all sorts, but not complete a
>regular boot. It turned out to be the processor.
>
>
>Matthew
>Manager, Information Systems
> 
>
>
>-----Original Message-----
>From: whitebox-users-admin@beau.org
>[mailto:whitebox-users-admin@beau.org] On Behalf Of Benedikt Carda
>Sent: Tuesday, December 28, 2004 2:32 PM
>To: whitebox-users@beau.org
>Subject: [WBEL-users] Strange behaviour when booting
>
>
>Dear all,
>
>since a week or two my WBEL system does not boot correctly anymore. It 
>seems to be something that only happens to me, as nobody else was 
>posting anything similiar. What happens is that the system starts to 
>boot but at a certain stage the screen gets black and it starts again 
>from the very beginning (counting the RAM). Then is starts again booting
>
>and gets a little bit further in the booting process but again screen 
>gets black and it starts again. Next time the same thing: It starts to 
>boot and again it is able to boot a little longer but again screen black
>
>and new attempt.
>
>This happens around four to five times, after that it boots up correctly
>
>and the system runs without any problem the whole day (it is my desktop 
>linux system so I turn it off at the end of the day and start it in the 
>morning). As it works perfectly after it finally successfully booted, I 
>doubt that it is any hardware error. If I had a problem with RAM or 
>something, it would also be there when already succeeded booting but 
>here, this strange behaviour only exists while booting.
>
>Stages at which the system "likes" (but not always does - as I said 
>before, after some attempts, I succeed in booting) to get black screen 
>and start new:
>* Freeing unused kernel memory
>* INIT changes runlevel
>* starting XFS
>
>(There may be others too, but these where the once I noticed it goes 
>down again very often.)
>
>The boot.log does not say anything as most times this happens before the
>
>stage where syslogd starts.
>Maybe interesting to note is that it is a box where I changed from RHEL 
>to WBEL adopting the procedure found herein:
>http://beau.org/pipermail/whitebox-users/2004-November/004437.html
>
>Furthermore, it makes no difference which of the installed kernel 
>versions I use. It happens with the newest as well as with older kernels
>
>too.
>
>Does anybody have an idea?
>
>Thanks in advance.
>
>Best Regards,
>Benedikt Carda
>
>
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