http://bugzilla.kernel.org/show_bug.cgi?id=10844
------- Comment #4 from [EMAIL PROTECTED] 2008-06-01 23:00 -------
(In reply to comment #3)
> This happen even without DRM modules loaded and X started.
I made a mistake. This is wrong. I find comment out following code in
i915_suspend() make OpenGL program work after suspend to ram.
if (state.event == PM_EVENT_SUSPEND) {
/* Shut down the device */
pci_disable_device(dev->pdev);
pci_set_power_state(dev->pdev, PCI_D3hot);
}
You still can see the "ACPI: EC: ..." in dmesg.
[ 95.151000] ACPI: EC: missing OBF confirmation, don't expect it any longer.
[ 95.154333] ACPI: EC: missing write data confirmation, don't expect it any
longer.
[ 95.223541] PM: Writing back config space on device 0000:00:02.0 at offset 1
(was 900003, writing 900007)
[ 95.237760] ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) ->
IRQ 16
[ 95.237768] PCI: Setting latency timer of device 0000:00:02.0 to 64
[ 95.237784] PM: Writing back config space on device 0000:00:02.1 at offset 1
(was 900000, writing 900003)
[ 95.241035] PM: Writing back config space on device 0000:00:1b.0 at offset 1
(was 100106, writing 100102)
But this time seems it can "Writing back config space on device 0000:00:02.0
...", so the IRQ problem gone.
Hope this can help resolve this problem.
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