Re: Invalid length provided for SMBIOS data

["Andrew D. Ball" <aball@us.ibm.com>]

This is seriously broken -- I'll write a patch as soon as I can, unless
somebody beats me to it :-)

Peace.
Andrew

On Wed, 2006-09-27 at 19:03 +0100, Daniel P. Berrange wrote:
> I was running some tests of HVM guests on Fedora Core 6, test3 and came
> across a potential issue with SMBIOS data. When running dmidecode in the
> guest VMs it reports that the actual SMBIOS data size, does not match
> the advertised size. eg
> 
> "Wrong DMI structures length: 439 bytes announced, structures occupy 363 bytes."
> 
> I've tried this in a variety of guest OS (RHEL-3 32-bit, RHEL-3 64-bit,
> RHEL-4 64-bit) all the same results. The host is running FC6 test3, but
> the bit of code responsible for constructing the SMBIOS tables is identical
> to that on the vanilla xen-unstable.hg  repository. I'm not familiar 
> enough with SMBIOS specs / code to determine where the mistake in the
> length calculation is though...
> 
> Is anyone else seeing this length mismatch in HVM guests ?
> 
> FYI, we're tracking this as https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207501
> 
> Regards,
> Dan.