[Webkit-unassigned] [Bug 36925] Snow Leopard bot does not support EXT_packed_depth_stencil

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=36925





--- Comment #10 from Mark Rowe (bdash) <mrowe at apple.com>  2010-04-01 15:38:29 PST ---
(In reply to comment #9)
> (In reply to comment #8)
> > As I’ve already explained, it’s not related to the graphics hardware in the
> > machine.  It’s related to the presence of a display attached to the machine.
> 
> Then, restated, the Leopard and other bots seem to have displays attached.

One of the Leopard bots is an iMac, so it inherently has a display attached. 
Another is an Xserve that happens to have a display attached.  It’s a single
display that is shared amongst an entire rack of Xserves and is used only when
doing the initial configuration of the machines.

I said this earlier:

> I’m not sure that it’s practical to require that the build bots run with a display attached.
> This would also seem to rule out the use of virtual machines for build bots as they also
> appear to use the software OpenGL renderer (at least with Mac OS X running inside VMWare Fusion).

To expand on this:
Requiring displays for each build bot makes it impossible to use rack-mount
machines and dramatically increases the amount of space required to house them.
 It also increases the cost of adding new hardware.

Making it impossible to run the regression tests in a virtual machine also
limits our ability to make more efficient use of hardware in the future. 

> > By definition the build bots do not catch regressions before they reach the
> > tree, only afterwards.
> 
> The commit queue seems to fail patches that break tests. That's what I'm
> referring to.

The commit queue is not related to the build bots.  Conflating them only
confuses the discussion.

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