[ale] nforce smbus: error probing SMB1 and SMB2

[jrtroberts]

Finally got in touch with someone at Asus that knows about linux.  He 
said that he thinks it is a problem with the chipset.  The graphics are 
probably faulty because the on board graphics are integrated into the 
chipset, so they are inseparable it would seem.  It seems Asus has been 
having many boards come back with problems related to Nvidia chipsets 
and Linux.
His only two recommendations:
Boot Ubuntu with the no APIC flag set.  ( can anyone give me a quick 
tutorial on how to accomplish this?)
Don't use Mobo's with Nvidia chipsets when running linux because Nvidia 
does not release the source for the chipset drivers so linux developers 
just have to do the best they can to work with what they've got.  (Not 
sure I agree, but it makes sense.)

Maybe there will be a fix in the future.

Joshua

Greg Clifton wrote:
> Hello Joshua,
>
> I second the motion of contacting ASUS, I have found them to be pretty 
> responsive to any technical queries. Perhaps they have a beta or 
> custom BIOS that would solve the problem.
>
> I have a relatively new system at home with a single core Athlon 64 
> and a Nvidia graphics card running the latest Ubuntu 64bit w/ 4GB of 
> RAM that also won't hibernate; system acts like it is going to sleep 
> and then just reboots. I forget the exact make/model, MSI or something 
> cheaper ($50 for mobo & CPU @ Frys a year or so ago) so I think the 
> ACPI/AIPC issues are not restricted to just ASUS mobos.
>
> GC
>
>
> On Mon, Jun 14, 2010 at 8:58 AM, Robert Reese <ale at sixit.com 
> <mailto:ale at sixit.com>> wrote:
>
>     Hello Joshua,
>
>     Monday, June 14, 2010, 3:34:38 AM, you wrote:
>
>     > I have been working on a machine for a while now, trying to get it
>     > up and running with Ubuntu x86_64  10.04.
>     > ...  The motherboard model is:
>     > Asus P5N-VM WS/TW100-E5
>
>
>     > After Bios Post there is a pause then an
>     > error message:
>
>     > nforce_smbus 0000:00:03.2: error probing SMB1 and then something
>     > equivalent but
>     > nforce_smbus 0000:00:03.2: error probing SMB2  Not sure if the hex
>     > numbers are different, I can check later.
>     > (it might say nforce2, but I am not 100% on that)
>
>
>     I'm not sure this will help you or not...
>
>     I have the same error messages on my ASUS 1201N Eee PC running
>     Ubuntu 10.04 x64.  In my research, as limited as the information
>     is on this, I found this to be specific to ASUS + NVidia NForce2.
>      Most people that have this issue write that the error delays
>     booting an additional few seconds; no one has identified the same
>     issues as you that I saw.  Some others report that the SMB issue
>     is with ACPI and a few other NForce2-controlled functions,
>     including some boot-up USB issues.  Yet none that I saw had any
>     issues with video.  (For me, my 1201N won't hibernate...)
>
>     Of course, very few of them are running dual video cards and more
>     than 8GB RAM, so your problem could certainly be a result of the
>     error.  OTOH, going from BIOS 4.08 to 6.01 is a huge leap.  Have
>     you contacted ASUS about this problem, or tried interim BIOS updates?
>
>     Anyway,  perhaps this link will help:
>     https://bugs.launchpad.net/ubuntu/+source/linux/+bug/575296
>
>     Cheers,
>     Robert~
>
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