Suspend/Resume on Lenovo IdeaPad S400 with FreeBSD 10?

[Ivan Rokotov]

2014-04-14 2:03 GMT+04:00 Adrian Chadd <adrian at freebsd.org>:
> Hi!
>
> So why does this particular retry hack work? Is there some bug in the
> drm/i915 code that isn't correctly handling submitted requests in
> certain circumstances?
>
> What's the value of 'ret' from that call?

Hi Adrian,

With this code
xf86DrvMsg(scrn->scrnIndex, X_WARNING, "retrying batchbuffer submit,
ret=%d\n", ret);

I got after resume:

[  8572.583] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8572.636] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8572.687] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8572.742] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8572.795] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8572.850] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8572.904] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8572.958] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.009] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.064] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.118] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.172] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.226] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.280] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.334] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.388] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.442] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.496] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.550] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8573.604] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8575.827] (WW) intel(0): retrying batchbuffer submit, ret=-16
[  8575.936] (II) AIGLX: Suspending AIGLX clients for VT switch
[  8575.937] (WW) intel(0): drmDropMaster failed: Unknown error: -22
[  8577.146] (II) AIGLX: Resuming AIGLX clients after VT switch
[  8577.248] (II) intel(0): EDID vendor "CMN", prod id 5239
[  8577.248] (II) intel(0): Printing DDC gathered Modelines:
[  8577.248] (II) intel(0): Modeline "1366x768"x0.0   71.59  1366 1410
1439 1512  768 771 775 789 -hsync -vsync (47.3 kHz eP)

Ivan