[CentOS] How to diagnose "Unable to handle kernel paging request" kernel panic?

Sat Apr 28 12:16:39 UTC 2007
Steven Haigh <netwiz at crc.id.au>

On 28/04/2007, at 9:50 PM, Jim King wrote:

> Does anyone know how to diagnose the error "Unable to handle kernel  
> paging request at virtual address xxxxxx"?
> I got this error (followed by a panic and a crash) on a server  
> running CentOS 4.4 with the 2.6.9-42.0.8.ELsmp kernel.  The machine  
> is based on an Intel 975XBX2 motherboard (975X chipset).  I have  
> built several of these and they have been extremely stable.  This  
> one is an Asterisk PBX.  It was up for over a month before this crash.
> Here is the exact kernel build info, from the restart log: "Linux  
> version 2.6.9-42.0.8.ELsmp (mockbuild at builder6.centos.org) (gcc  
> version 3.4.6 20060404 (Red Hat 3.4.6-3)) #1 SMP Tue Jan 30  
> 12:33:47 EST 2007"
> Does the call trace indicate something to do with the ext3 file  
> system?  I am not running RAID on this machine, it is just a single  
> drive with LVM.
> Any help that the list could be would be really great.

Do you have a TDM400 card in these machines by chance? If so, are you  
running Zaptel 1.4.2? I had this same crash happen using zaptel  
1.4.2. Updating to fixed this.

Steven Haigh

Email: netwiz at crc.id.au
Web: http://www.crc.id.au
Phone: (03) 9017 0597 - 0404 087 474