PSARC 2008/318 Boomer - potential issues

[Neal Pollack]

On 11/03/08 07:41, Garrett D'Amore wrote:
>
>
> 7) Potential power(9e) regression for legacy device drivers.  Right 
> now, for some legacy SPARC devices (e.g. audiocs, audiots), our work 
> to convert these devices to "Boomer native" devices has been done, but 
> we have not done the work to make these devices fully support 
> power(9e).  (There are some challenges here, because the pm interfaces 
> are not safe to call in streams context, an area that was a latent bug 
> in some of the audio drivers!)   While we could tackle this, we 
> believe there is little merit in the effort involved -- the amount of 
> actual power saved is probably quite small, particularly relative to 
> the power consumed by the CPUs on these systems.  We'd prefer to skip 
> this effort, and take the small regression.  This might take some of 
> these systems out of energystar v2 compliance, 

Which model sparc desktops are you talking about?
You may want to check, because they may be EOL'ed already anyway if they 
are old enough models.

Neal


> but as we believe that these systems are not in use in applications 
> that are sensitive to power consumption, and as they are no longer 
> marketed, we don't believe this should be a serious problem for 
> anyone.   If anyone feels strongly otherwise, we'd like to know.  
> (Note that we do support platform power management via suspend-to-disk 
> on the platforms that are capable of it.)
>
> Thanks.
>
>    -- Garrett