On Thu, Dec 04, 2014 at 08:47:34PM -0600, Sean Cody wrote:
> >Synopsis: Suspend/Resume broken, doesn't re-attached video.
> >Category: amd64
> >Environment:
> System : OpenBSD 5.6
> Details : OpenBSD 5.6-current (GENERIC.MP) #648: Thu Dec 4
> 14:23:47 MST 2014
>
> dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> Architecture: OpenBSD.amd64
> Machine : amd64
> >Description:
>
> Suspend/Resume doesn't quite work out on this laptop (Acer Aspire One
> D27-1375). Hibernate _does_ work (ZZZ and power button to resume). When
> using lid or 'zzz' to suspend you can see all the devices detach and it shuts
> down but when you attempt to start it back up (lid open OR keyboard mash) the
> screen doesn't activate. It is partially resuming as I can make the system
> beep with bad keys and was able to use the reboot command and ZZZ (which
> worked but the resume didn't attach the display). Using the function keys to
> swap interfaces or kill the backlight doesn't seem to do much (though screen
> does dim so it does something).
>
> Tried i386 and amd64 kernels with a November current snapshot and a
> snapshot from today with the same behavior.
>
> Consistently repeatable, just need to 'zzz' and it will sleep, wake up
> and the screen doesn't engage/attach/activate.
>
> >How-To-Repeat:
>
> zzz or close lid on device. Attempt to wake up with keyboard or
> lid-open.
> >Fix:
> <how to correct or work around the problem, if known (multiple lines)>
We should probably repost all known powervr devices given there
is otherwise no kernel support.
For now try this:
Index: sys/dev/pci/vga_pci.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/vga_pci.c,v
retrieving revision 1.81
diff -u -p -r1.81 vga_pci.c
--- sys/dev/pci/vga_pci.c 28 Jul 2014 15:00:27 -0000 1.81
+++ sys/dev/pci/vga_pci.c 5 Dec 2014 02:55:20 -0000
@@ -167,6 +167,11 @@ static const struct vga_device_descripti
0x0000, 0x0000 },
{ 0xffff, 0xffff, 0x0000, 0x0000 }, 1
},
+ { /* All machines with Intel D2000/N2000 (until more evidence) */
+ { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_D2000_IGD,
+ 0x0000, 0x0000 },
+ { 0xffff, 0xffff, 0x0000, 0x0000 }, 1
+ },
};
#endif
