[WBEL-users] Panic halts in Kernel

[Scott Silva]

david spake the following on 6/15/2006 4:48 PM:
> Folks
> 
> Within the past few weeks, I've been experiencing what I think are panic
> halts on my Whitebox Linux 4 machine. (Kernel 2.6.9-23.0.EL) with all
> published YUM updates in place.


Since the kernel is at 2.6.9-34.0.1, you AREN'T current with the published
updates. Try the newer kernel and see if that fixes anything.
> 
> My system acts as the gateway between my internal network of machines,
> and the cable modem.  It performs NAT functions, serves as my mail and
> web server, and provides DNS functions for the inside network.
> 
> The symptom I see is that my windows desktops (the inside network) fail
> to get access.  I go to my linux box, turn on the monitor (which is
> usually powered off), and see nothing.  I suspect the failure occurred a
> while ago, and by this time the monitor has timed out and gone blank. 
> The keyboard doesn't do anything; even CTL-ALT-DEL fails.  My only
> option is the hard reset or power cycling.
> 
> In the few situations where the failure occurred while I was watching,
> I've seen comments fly by on the screen with words like "spin lock", and
> "interupt ...".
> 
> In an attempt to keep my computers working, I modified the Kernel
> startup line to include the option
>   panic=10
> which (according to specs) should reboot after a Kernel Panic with a 10
> second delay.  It works sometimes, but not always.
> 
> I am at a loss to figure out what is wrong, and even what information is
> usable to help diagnose the situation.  The computer is an AMD sempron
> 3100+, with 256m memory, and 240 G of hard drive, as one logical volume,
> split between a 160g and 80g IDE HD.  It runs command line functions
> only; X is not installed.  Security Linux is off; I am the only one who
> uses the computer.
> 
> If you have any ideas, please let me know what additional information
> you might need to help.
> 
> BEWILDERED
> 
> David


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