[Intel-gfx] drm/i915: intel_do_flush_locked failed: Invalid argument

[dmummenschanz at web.de]

Hello,
 
current drm-intel-nightly git fails to run OpenGL games with an 

intel_do_flush_locked failed: Invalid argument

error message.

dmesg shows:

[ 2993.516697] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpb
[ 2993.516884] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:46:HDMI-A-1] disconnected
[ 2993.516893] [drm:drm_mode_getconnector] [CONNECTOR:53:?]
[ 2993.516895] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:53:HDMI-A-2]
[ 2993.516896] [drm:intel_hdmi_detect] [CONNECTOR:53:HDMI-A-2]
[ 2993.517087] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
[ 2993.517089] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK on first message, retry
[ 2993.517305] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 w(1)
[ 2993.517307] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
[ 2993.517310] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:53:HDMI-A-2] disconnected
[ 2993.517318] [drm:drm_mode_getconnector] [CONNECTOR:31:?]
[ 2993.517320] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:VGA-1]
[ 2993.517322] [drm:intel_crt_detect] [CONNECTOR:31:VGA-1] force=1
[ 2993.517331] [drm:intel_ironlake_crt_detect_hotplug] ironlake hotplug adpa=0xf40000, result 0
[ 2993.517333] [drm:intel_crt_detect] CRT not detected via hotplug
[ 2993.517544] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 w(1)
[ 2993.517545] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK on first message, retry
[ 2993.517759] [drm:gmbus_xfer] GMBUS [i915 gmbus vga] NAK for addr: 0050 w(1)
[ 2993.517760] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
[ 2993.517762] [drm:intel_crt_get_edid] CRT GMBUS EDID read failed, retry using GPIO bit-banging
[ 2993.517763] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus vga. force bit now 1
[ 2993.518322] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus vga
[ 2993.518323] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus vga. force bit now 0
[ 2993.518324] [drm:intel_crt_detect_ddc] CRT not detected via DDC:0x50 [no valid EDID found]
[ 2993.518326] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:31:VGA-1] disconnected
[ 2993.527298] [drm:i915_gem_open]
[ 2993.539705] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 2993.539771] [drm:i915_parse_cmds] CMD: Command length exceeds batch length: 0x180CF1B8 length=58 batchlen=22
[ 2993.539772] [drm:i915_parse_cmds] CMD: batch set OACONTROL but did not clear it


Any clues?

- Dieter