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Date:      Wed, 07 Mar 2001 00:51:24 +1100
From:      Kal Torak <kaltorak@quake.com.au>
To:        kstewart@urx.com
Cc:        FreeBSD-questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Argh! Many sig 11's
Message-ID:  <3AA4EB5C.E46739E3@quake.com.au>
References:  <3AA4E3A1.3A1D0EB2@quake.com.au> <3AA4E4D7.6512744E@urx.com>

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Kent Stewart wrote:
> 
> Kal Torak wrote:
> >
> > Hiyas,
> >
> > One of my machines running 4.0 Stable had its power supply go,
> > I since replaced it and now when coping large amounts of data etc
> > things start dieing with sig 11's...
> 
> There isn't anything that says the new PS doesn't have problems. Have
> you got a spare you can test. You don't even have to screw it into
> place to test it. I have also used a cardboard box in front of a
> system to hold test motherboards before.

Unfortunately I had two PSU's go close together... I ended up having
to put a 400W into a system that was working fine with a 250W PSU...
But I dont have anymore to test, besides broken ones...

> > Eg. cp -ipRP /usr /newusr (/usr and /newusr are in separate drives)
> > after about 10mins of copying syslogd exited on 11, then ntpd then
> > getty, then vm caused a panic and the system died...
> 
> FreeBSD 4.x is sensitive to bad spots. It doesn't like any around.
> With the panic when vm starts makes me think it is HD related but you
> never know if you are seeing a symptom or a side effect until you
> solve it.

Yeah, well one of the hdd's is making a lot more noise than it used to,
thats why I was trying to copy /usr to another drive so I can take the
flaky one out...

I did change a lot of hardware after the PSU died, like I took out a few
PCI cards and a CD-Rom, and the CD-Rom in there is set to master with a
slave attached, but there isnt a slave which causes a slight delay at boot
time... But Im just trying to work out what exactly could be causing these
Sig 11's, and all I have know to cause them is bad ram...

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