[Bug 86370] New: [BDW]igt/kms_rotation_crc/sprite-rotation causes "WARNING: CPU: 0 PID: 4674 at drivers/gpu/drm/i915/intel_display.c:1256 hsw_enable_ips+0x38/0x13b [i915]() "

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Nov 16 22:08:13 PST 2014 

https://bugs.freedesktop.org/show_bug.cgi?id=86370

            Bug ID: 86370
           Summary: [BDW]igt/kms_rotation_crc/sprite-rotation causes
                    "WARNING: CPU: 0 PID: 4674 at
                    drivers/gpu/drm/i915/intel_display.c:1256
                    hsw_enable_ips+0x38/0x13b [i915]() "
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jinxianx.guo at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 109585
  --> https://bugs.freedesktop.org/attachment.cgi?id=109585&action=edit
dmesg

=System Environment==
--------------------------
Regression: No,
The tests always fails.
The similar failure occurs while running test igt/pm_rpm, which tracked by bug
83177 before.

Non-working platforms: BDW

==kernel==
--------------------------
origin/drm-intel-nightly: e49ebf9ed863e9522260ebd7bd0338ef5641c0e6(fails)
    drm-intel-nightly: 2014y-11m-16d-14h-35m-45s UTC integration manifest
origin/drm-intel-next-queued: cf3d262e39941d8f148148e840c00fcbc35a8e6f(fails)
    drm/i915: Fix comments about CHV snoop behaviour
origin/drm-intel-fixes: bab51d9733964ac7978bd9376b9da54662a1815f(fails)
    drm/i915: Kick fbdev before vgacon

==Bug detailed description==
igt/kms_rotation_crc/sprite-rotation causes "WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_enable_ips+0x38/0x13b [i915]() "

Output:
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./kms_rotation_crc --run-subtest sprite-rotation 
IGT-Version: 1.8-gaa63fc7 (x86_64) (Linux:
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ x86_64) 
Subtest sprite-rotation: SUCCESS (8.215s) 
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep
"<[1-4]>"|grep drm 
<4>[ 316.322782] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.325217] WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_disable_ips+0x2d/0x15c [i915]() 
<4>[ 316.325220] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec lpc_ich mfd_core snd_hwdep snd_pcm snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea 
<4>[ 316.325233] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.389395] WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_enable_ips+0x38/0x13b [i915]() 
<4>[ 316.389398] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec lpc_ich mfd_core snd_hwdep snd_pcm snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea 
<4>[ 316.389411] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.572642] WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_disable_ips+0x2d/0x15c [i915]() 
<4>[ 316.572645] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec lpc_ich mfd_core snd_hwdep snd_pcm snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea 
<4>[ 316.572660] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.639253] WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_enable_ips+0x38/0x13b [i915]() 
<4>[ 316.639255] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec lpc_ich mfd_core snd_hwdep snd_pcm snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea 
<4>[ 316.639269] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.643250] WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_disable_ips+0x2d/0x15c [i915]() 
<4>[ 316.643252] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec lpc_ich mfd_core snd_hwdep snd_pcm snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea 
<4>[ 316.643265] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.705880] WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_enable_ips+0x38/0x13b [i915]() 
<4>[ 316.705882] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec lpc_ich mfd_core snd_hwdep snd_pcm snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea 
<4>[ 316.705895] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.707289] WARNING: CPU: 0 PID: 4674 at
drivers/gpu/drm/i915/intel_display.c:1256 hsw_disable_ips+0x2d/0x15c [i915]() 
<4>[ 316.707292] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod
snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller
snd_hda_codec lpc_ich mfd_core snd_hwdep snd_pcm snd_timer snd soundcore
battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea 
<4>[ 316.707304] CPU: 0 PID: 4674 Comm: kms_rotation_cr Tainted: G U W
3.18.0-rc4_drm-intel-nightly_e49ebf_20141117+ #1630 
<4>[ 316.707383] [<ffffffffa0017f31>] ? drm_mode_set_config_internal+0x4e/0xd2
[drm] 
<4>[ 316.707389] [<ffffffffa001813d>] ? drm_framebuffer_remove+0x75/0xf8 [drm] 
<4>[ 316.707396] [<ffffffffa001bc6d>] ? drm_mode_rmfb+0xc4/0xed [drm] 
<4>[ 316.707402] [<ffffffffa0010738>] ? drm_ioctl+0x279/0x3bc [drm] 
<4>[ 316.707407] [<ffffffffa001bba9>] ? drm_mode_addfb+0x73/0x73 [drm] 

==Reproduce steps==
---------------------------- 
1. ./kms_rotation_crc --run-subtest sprite-rotation

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