[Bug 82892] [HSW/BDW]igt/kms_setmode/clone-exclusive-crtc causes "WARNING: CPU: 3 PID: 20000 at drivers/gpu/drm/i915/intel_ddi.c:1531 intel_ddi_compute_config+0x39/0x6c [i915]()"

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Aug 27 01:00:31 PDT 2014 

https://bugs.freedesktop.org/show_bug.cgi?id=82892

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[HSW]igt/kms_setmode/clone- |[HSW/BDW]igt/kms_setmode/cl
                   |exclusive-crtc causes       |one-exclusive-crtc causes
                   |"WARNING: CPU: 3 PID: 20000 |"WARNING: CPU: 3 PID: 20000
                   |at                          |at
                   |drivers/gpu/drm/i915/intel_ |drivers/gpu/drm/i915/intel_
                   |ddi.c:1531                  |ddi.c:1531
                   |intel_ddi_compute_config+0x |intel_ddi_compute_config+0x
                   |39/0x6c [i915]()"           |39/0x6c [i915]()"

--- Comment #1 from Guo Jinxian <jinxianx.guo at intel.com> ---
The failure is able to reproduce on latest
-nightly(c30b73ce7c138b5fd671ed3a7e1301bd273fd661) on BDW

[root at x-bdw02 tests]#./kms_setmode --run-subtest clone-exclusive-crtc
IGT-Version: 1.7-g50166d2 (x86_64) (Linux:
3.17.0-rc2_drm-intel-nightly_c30b73_20140827+ x86_64)
Testing: clone-exclusive-crtc 2 connector combinations
  Test id#1 CRTC count 2
    CRTC[8] [Pipe A] Mode: 1920x1080 at 60Hz Connectors: eDP-1[19]
    CRTC[12] [Pipe B] Mode: 640x480 at 60Hz Connectors: HDMI-A-1[31] (NC)
Test assertion failure function test_crtc_config, file kms_setmode.c:431:
Failed assertion: config_failed == !!(tconf->flags & TEST_INVALID)
Last errno: 22, Invalid argument
Subtest clone-exclusive-crtc: FAIL

[root at x-bdw02 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<4>[  404.565077] WARNING: CPU: 0 PID: 7228 at
drivers/gpu/drm/i915/intel_ddi.c:1531 intel_ddi_compute_config+0x39/0x6c
[i915]()
<4>[  404.565081] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support ppdev
pcspkr snd_hda_codec_hdmi i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[  404.565106] CPU: 0 PID: 7228 Comm: kms_setmode Tainted: G        W     
3.17.0-rc2_drm-intel-nightly_c30b73_20140827+ #1868
<4>[  404.565242]  [<ffffffffa0018149>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[  404.565253]  [<ffffffffa001bb64>] ? drm_mode_setcrtc+0x3e6/0x48b [drm]
<4>[  404.565262]  [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[  404.565277]  [<ffffffffa001b77e>] ? drm_mode_setplane+0x16d/0x16d [drm]
<4>[  404.565286]  [<ffffffffa000fda3>] ? drm_gem_vm_close+0x2a/0x4b [drm]
<4>[  404.565325] WARNING: CPU: 0 PID: 7228 at
drivers/gpu/drm/i915/intel_dp.c:137 intel_dp_max_link_bw+0x6f/0x77 [i915]()
<4>[  404.565329] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support ppdev
pcspkr snd_hda_codec_hdmi i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[  404.565351] CPU: 0 PID: 7228 Comm: kms_setmode Tainted: G        W     
3.17.0-rc2_drm-intel-nightly_c30b73_20140827+ #1868
<4>[  404.565499]  [<ffffffffa0018149>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[  404.565509]  [<ffffffffa001bb64>] ? drm_mode_setcrtc+0x3e6/0x48b [drm]
<4>[  404.565519]  [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[  404.565533]  [<ffffffffa001b77e>] ? drm_mode_setplane+0x16d/0x16d [drm]
<4>[  404.565542]  [<ffffffffa000fda3>] ? drm_gem_vm_close+0x2a/0x4b [drm]



[root at x-bdw02 tests]#./kms_setmode --run-subtest clone-single-crtc
IGT-Version: 1.7-g50166d2 (x86_64) (Linux:
3.17.0-rc2_drm-intel-nightly_c30b73_20140827+ x86_64)
Testing: clone-single-crtc 2 connector combinations
Testing: clone-single-crtc 3 connector combinations
Subtest clone-single-crtc: SUCCESS

[root at x-bdw02 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<4>[  404.565077] WARNING: CPU: 0 PID: 7228 at
drivers/gpu/drm/i915/intel_ddi.c:1531 intel_ddi_compute_config+0x39/0x6c
[i915]()
<4>[  404.565081] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support ppdev
pcspkr snd_hda_codec_hdmi i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[  404.565106] CPU: 0 PID: 7228 Comm: kms_setmode Tainted: G        W     
3.17.0-rc2_drm-intel-nightly_c30b73_20140827+ #1868
<4>[  404.565242]  [<ffffffffa0018149>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[  404.565253]  [<ffffffffa001bb64>] ? drm_mode_setcrtc+0x3e6/0x48b [drm]
<4>[  404.565262]  [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[  404.565277]  [<ffffffffa001b77e>] ? drm_mode_setplane+0x16d/0x16d [drm]
<4>[  404.565286]  [<ffffffffa000fda3>] ? drm_gem_vm_close+0x2a/0x4b [drm]
<4>[  404.565325] WARNING: CPU: 0 PID: 7228 at
drivers/gpu/drm/i915/intel_dp.c:137 intel_dp_max_link_bw+0x6f/0x77 [i915]()
<4>[  404.565329] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support ppdev
pcspkr snd_hda_codec_hdmi i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[  404.565351] CPU: 0 PID: 7228 Comm: kms_setmode Tainted: G        W     
3.17.0-rc2_drm-intel-nightly_c30b73_20140827+ #1868
<4>[  404.565499]  [<ffffffffa0018149>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[  404.565509]  [<ffffffffa001bb64>] ? drm_mode_setcrtc+0x3e6/0x48b [drm]
<4>[  404.565519]  [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[  404.565533]  [<ffffffffa001b77e>] ? drm_mode_setplane+0x16d/0x16d [drm]
<4>[  404.565542]  [<ffffffffa000fda3>] ? drm_gem_vm_close+0x2a/0x4b [drm]

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