WaitForSomething(): select: Invalid argument

[Grant]

> See eg. https://bugzilla.redhat.com/show_bug.cgi?id=877464
> Try to update the synaptics driver if possible.

OK, I'm updating from 1.6.2-r1 to 1.7.0.  This crash didn't start
happening for me until I started using the new Cypress driver in the
kernel.

- Grant


>> OK here are two.
>
>
> (EE) BUG: triggered 'if (priv->num_active_touches > priv->num_slots)'
> (EE) BUG:
> /var/tmp/portage/x11-drivers/xf86-input-synaptics-1.6.2-r1/work/xf86-input-synaptics-1.6.2/src/synaptics.c:3122
> in UpdateTouchState()
> (EE) (EE) Backtrace:
> (EE) 0: /usr/bin/X (xorg_backtrace+0x34) [0x595814]
> (EE) 1: /usr/lib64/xorg/modules/input/synaptics_drv.so
> (0x7feee9990000+0x31b7) [0x7feee99931b7]
> (EE) 2: /usr/lib64/xorg/modules/input/synaptics_drv.so
> (0x7feee9990000+0x3a8f) [0x7feee9993a8f]
> (EE) 3: /usr/lib64/xorg/modules/input/synaptics_drv.so
> (0x7feee9990000+0x65ea) [0x7feee99965ea]
> (EE) 4: /usr/bin/X (0x400000+0x7a137) [0x47a137]
> (EE) 5: /usr/bin/X (0x400000+0xa4fc7) [0x4a4fc7]
> (EE) 6: /lib64/libpthread.so.0 (0x7feeee53d000+0x10460) [0x7feeee54d460]
> (EE) 7: /lib64/libc.so.6 (__select+0x33) [0x7feeed2a2233]
> (EE) 8: /usr/bin/X (WaitForSomething+0x19b) [0x592f9b]
> (EE) 9: /usr/bin/X (0x400000+0x3ab62) [0x43ab62]
> (EE) 10: /usr/bin/X (0x400000+0x299d4) [0x4299d4]
> (EE) 11: /lib64/libc.so.6 (__libc_start_main+0xfd) [0x7feeed1df4bd]
> (EE) 12: /usr/bin/X (0x400000+0x29d1d) [0x429d1d]