HELP: FreeBSD 5.2 crashing when doing fsck?

Matthew Seaman m.seaman at
Sun Feb 1 12:04:30 GMT 2004

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On Sun, Feb 01, 2004 at 11:33:28AM -0000, William Cooper wrote:

> That was a nice temp fix, rebooted the machine after the fsck and booted
> normally, no problems -- I even transferred a few large files over  FTP
> to see if anything would crash but it was fine. <40 minutes later, I
> found it crashed again, no error messages, no weird processes running :(
> Could this be a hardware problem? Its almost like the disk is timing out
> or something :/
> Any more suggestions are welcome.=20

Sounds to me like it may be overheating -- check that all the fans are
working, that heat sinks have not come adrift from CPUs and other
sensitive parts and that air vents are not clogged by dust.

Try running something like xmbmon to monitor the CPU and on-board
temperature.  Hooking up mbmon to rrdtool or mrtg to graph the state
of the system over time is a really good idea, and worth just doing

Another possibility is that the power supply is either not big enough
for your system, or is flaking out.  If the supplied voltages aren't
in spec, you can see that sort of effect.



Dr Matthew J Seaman MA, D.Phil.                       26 The Paddocks
                                                      Savill Way
PGP:         Marlow
Tel: +44 1628 476614                                  Bucks., SL7 1TH UK

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