I still have this selection issue. Is Apple or SideFX going to fix it? or should I purchase a new PC?

We don't have a workaround for that particular driver bug, so it's currently in Apple's court as a bug. What is your OSX version and GPU in the system?

AMD Radeon HD 6970M 2048 MB and the latest El Capitan version. However I have the feeling they are not going to update these old drivers.

Is this with yesterday's OSX 10.11.2 update?

Yes, even with that update, I still have that issue.

That's unfortunate. The OSX/AMD driver crew was hoping that they could fix the selection issue for that version.

Can you try with ‘Select Visible Geometry Only’ unchecked, that's the eye and cursor button a the top of the viewport. I'm not running AMD/OsX currently but think that might have worked before.

bluelk
or should I purchase a new PC?

Another option is that you can boot the Mac in Windows/Linux with Apple's Bootcamp or ReFind if that suits.

Linux booter:
http://www.rodsbooks.com/refind/ [rodsbooks.com]

I don't have your HIP file, but I created a similar scene. I definitely have a similar issue - 10.11.1 / Mac Pro / D500 machine.

It seems to work better if you select ‘select visible geometry only’ for me. But still does produce weird results once in a while (like selecting stuff outside selection rectangle).

Also, definitely an AMD issue; does not occur on my macbook pro nv 650m machine.

Actually this even happens on Linux Centos 7.1/H14.0.441 with Quadro K2200. Haven't tested out 15 yet.

For fun just whacked the old AMD 7950 in and whilst there are no point selection issues, there are primitive component selection issues! OsX 10.11.2, H15.0.313

No selection issues with the Nvidia 980 on oSX.

el_diablo
Actually this even happens on Linux Centos 7.1/H14.0.441 with Quadro K2200. Haven't tested out 15 yet.

These are the kind of things I'm worry about, Quadro K2200 is supposed to be supported. Before buying a new computer or graphic card, I would like to be sure that it is something related only to old drivers. Cheers.

for the record,
NVIDIA 361.43 GTX970 Windows 10
H15 244.16
this issue does not exist,