[Fedora-xen] [BUG] dmidecode in DomU throws thousands of xen printk's

[Rik van Riel]

Rik van Riel wrote:
> Daniel P. Berrange wrote:
>> On Mon, Aug 07, 2006 at 11:40:34PM -0700, Matt C wrote:
>>> System is kernel-xen-2.6.17-1.2157_FC5 on a 2p opteron (older 
>>> non-hardware-virt). This happens when I try to run the 'dmidecode' 
>>> tool from within a non-privileged guest. The guest is running the 
>>> same kernel as above. One other note is that the console on this 
>>> system is serial, ttyS0 at 9600bps... which may have something to do 
>>> with the CPU lockup bugs below.
> 
> The guest should not be trying to do those operations.  I can
> take a look into tightening our /dev/mem patch,

The bug seems to have disappeared with the latest rawhide
kernels.  That is, the hypervisor prints one message for
a dmidecode invocation, not thousands...

Matt, is this still an issue or should I try to fix some
more urgent stuff first? :)

-- 
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan