Re: [uml-devel] Kernel panic - not syncing: Kernel mode signal 7

["Christopher S. Aker" <caker@theshore.net>]

Blaisorblade wrote:
> On Saturday 01 April 2006 00:08, Christopher S. Aker wrote:
>> I'm posting this for posterity.  I've asked the user to upgrade to
>> 2.6.16.1-bs1 for now.  He's hit this twice in the last month...
> 
>> http://www.theshore.net/~caker/uml/kernels/2.6.15-linode16
> 
>> Kernel panic - not syncing: Kernel mode signal 7
> 
> SIGBUS, aka /tmp (or wherever the memory is hosted, i.e. $TMP) full on the 
> host.
> 
>> 89ae3778: [<8001f41c>] bus_handler+0x59/0x5b

I mount a tmpfs directory exclusively for each UML the same size as the 
mem= parameter.  Something fishy is going on with this particular host, 
now that I look at the other UML console, a number of them have hit this...

# uname -a
Linux host20.linode.com 2.6.11-rc4-1-bigmem64 #2 SMP Sun Feb 20 04:57:53 
EST 2005 i686 i686 i386 GNU/Linux
[root@host20 root]# uptime
  20:24:54  up 392 days, 57 min,  4 users,  load average: 0.46, 0.56, 0.66

I just noticed one of the drives is failing which has a swap partition 
on it.  That probably explains it.  I'll remove that from the equation.

Thanks,
-Chris


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