registry team mailing list archive

[David Benjamin <625364@xxxxxxxxxxxxxxxxxx>]

This started occurring far more frequently for me when I switched from
metacity's built-in compositor to compiz. It appear's metacity's
compositor (not mutter) is actually XRender-based, not GL like compiz. I
also recall one of the few times it happening to me under metacity was
when I had Braid open. So perhaps this is related to GL or DRI. (I'm
using a Thinkpad T400 with integrated intel.)

I think the chvt workaround may be a timing thing. Looks like the kernel
itself may do a VT switch on suspend anyway? suspend_prepare calls
pm_prepare_console which calls vt_move_to_console. Perhaps making it
happen earlier gives compiz and whoever else is using DRI more time to
release whatever's causing a problem?

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https://bugs.launchpad.net/bugs/625364

Title:
  lenovo/thinkpad T400[s]/T500/W500/X60/T6x suspend fails