[Bug 83177] New: [BDW Regression]igt/=?UTF-8?Q?pm=5Frpm=20some=20subcases=20cause=20=E2=80=9CWARNING?=: CPU: 0 PID: 4578 at drivers/gpu/drm/i915/intel_display.c:1294 hsw_disable_ips+0x2d/0x15a [i915]() ”
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 27 23:19:53 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=83177
Priority: medium
Bug ID: 83177
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [BDW Regression]igt/pm_rpm some subcases cause
“WARNING: CPU: 0 PID: 4578 at
drivers/gpu/drm/i915/intel_display.c:1294
hsw_disable_ips+0x2d/0x15a [i915]()”
QA Contact: intel-gfx-bugs at lists.freedesktop.org
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: jinxianx.guo at intel.com
Hardware: Other
Status: NEW
Version: unspecified
Component: DRM/Intel
Product: DRI
Created attachment 105369
--> https://bugs.freedesktop.org/attachment.cgi?id=105369&action=edit
dmesg
==System Environment==
--------------------------
Regression: Yes.
Good commit on -next-queued: 3a5f87c286515c54ff5c52c3e64d0c522b7570c0
Non-working platforms: BDW
==kernel==
--------------------------
origin/drm-intel-nightly: e91331cf71c509af3dfae75cd9bca3db13d7da95(fails)
drm-intel-nightly: 2014y-08m-27d-21h-32m-10s integration manifest
origin/drm-intel-next-queued: 661ccef518a23dd6b3aff11ca6eee9c71568f37a(works)
drm/i915/bdw: BDW Software Turbo
origin/drm-intel-fixes: 813008cd3e93ea8a571b2b7d5b9360a3105b50f7(fails)
drm/i915: don't warn if backlight unexpectedly enabled
==Bug detailed description==
igt/pm_rpm some subcases cause “WARNING: CPU: 0 PID: 4578 at
drivers/gpu/drm/i915/intel_display.c:1294 hsw_disable_ips+0x2d/0x15a [i915]()”
Case list:
igt/pm_rpm/cursor
igt/pm_rpm/cursor-dpms
igt/pm_rpm/debugfs-forcewake-user
igt/pm_rpm/debugfs-read
igt/pm_rpm/dpms-lpsp
igt/pm_rpm/dpms-mode-unset-lpsp
igt/pm_rpm/fences
igt/pm_rpm/fences-dpms
igt/pm_rpm/gem-execbuf-stress
igt/pm_rpm/gem-execbuf-stress-extra-wait
igt/pm_rpm/gem-execbuf-stress-pc8
igt/pm_rpm/legacy-planes
igt/pm_rpm/legacy-planes-dpms
igt/pm_rpm/modeset-lpsp
igt/pm_rpm/modeset-pc8-residency-stress
igt/pm_rpm/pc8-residency
igt/pm_rpm/reg-read-ioctl
igt/pm_rpm/rte
igt/pm_rpm/sysfs-read
igt/pm_rpm/system-suspend
igt/pm_rpm/universal-planes
Output:
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rpm
--run-subtest cursor
IGT-Version: 1.7-g50166d2 (x86_64) (Linux:
3.17.0-rc2_drm-intel-nightly_e91331_20140828+ x86_64)
Runtime PM support: 1
PC8 residency support: 1
Subtest cursor: SUCCESS
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep
""<[1-4]>""|grep drm
<4>[ 377.801759] WARNING: CPU: 0 PID: 4578 at
drivers/gpu/drm/i915/intel_display.c:1294 hsw_disable_ips+0x2d/0x15a [i915]()
<4>[ 377.801762] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support ppdev pcspkr i2c_i801 snd_hda_intel snd_hda_controller
lpc_ich mfd_core snd_hda_codec 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>[ 377.801807] CPU: 0 PID: 4578 Comm: pm_rpm Tainted: G W
3.17.0-rc2_drm-intel-nightly_e91331_20140828+ #1896
<4>[ 377.801971] [<ffffffffa0018149>] ?
drm_mode_set_config_internal+0x48/0xbd [drm]
<4>[ 377.801979] [<ffffffffa001bb64>] ? drm_mode_setcrtc+0x3e6/0x48b [drm]
<4>[ 377.801986] [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 377.801996] [<ffffffffa001b77e>] ? drm_mode_setplane+0x16d/0x16d [drm]
<4>[ 379.997434] WARNING: CPU: 0 PID: 4578 at
drivers/gpu/drm/i915/intel_uncore.c:47 gen8_write32+0x70/0x11a [i915]()
<4>[ 379.997436] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support ppdev pcspkr i2c_i801 snd_hda_intel snd_hda_controller
lpc_ich mfd_core snd_hda_codec 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>[ 379.997453] CPU: 0 PID: 4578 Comm: pm_rpm Tainted: G W
3.17.0-rc2_drm-intel-nightly_e91331_20140828+ #1896
<4>[ 379.997514] [<ffffffffa0023897>] ? drm_modeset_lock+0x52/0xb3 [drm]
<4>[ 379.997521] [<ffffffffa00190d4>] ? setplane_internal+0x262/0x2bc [drm]
<4>[ 379.997531] [<ffffffffa00192c9>] ? drm_mode_cursor_common+0x19b/0x27d
[drm]
<4>[ 379.997538] [<ffffffffa001bc3a>] ? drm_mode_cursor_ioctl+0x31/0x36 [drm]
<4>[ 379.997545] [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 379.997554] [<ffffffffa001bc09>] ? drm_mode_setcrtc+0x48b/0x48b [drm]
<3>[ 379.997590] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
<4>[ 379.997607] WARNING: CPU: 0 PID: 4578 at
drivers/gpu/drm/i915/intel_uncore.c:47 gen8_write32+0x70/0x11a [i915]()
<4>[ 379.997609] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support ppdev pcspkr i2c_i801 snd_hda_intel snd_hda_controller
lpc_ich mfd_core snd_hda_codec 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>[ 379.997624] CPU: 0 PID: 4578 Comm: pm_rpm Tainted: G W
3.17.0-rc2_drm-intel-nightly_e91331_20140828+ #1896
<4>[ 379.997677] [<ffffffffa0018ecc>] ? setplane_internal+0x5a/0x2bc [drm]
<4>[ 379.997687] [<ffffffffa00192c9>] ? drm_mode_cursor_common+0x19b/0x27d
[drm]
<4>[ 379.997694] [<ffffffffa001bc3a>] ? drm_mode_cursor_ioctl+0x31/0x36 [drm]
<4>[ 379.997700] [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 379.997708] [<ffffffffa001bc09>] ? drm_mode_setcrtc+0x48b/0x48b [drm]
<3>[ 379.997740] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
<4>[ 382.054184] WARNING: CPU: 0 PID: 4578 at
drivers/gpu/drm/i915/intel_uncore.c:47 gen8_write32+0x70/0x11a [i915]()
<4>[ 382.054186] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support ppdev pcspkr i2c_i801 snd_hda_intel snd_hda_controller
lpc_ich mfd_core snd_hda_codec 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>[ 382.054202] CPU: 0 PID: 4578 Comm: pm_rpm Tainted: G W
3.17.0-rc2_drm-intel-nightly_e91331_20140828+ #1896
<4>[ 382.054257] [<ffffffffa0023897>] ? drm_modeset_lock+0x52/0xb3 [drm]
<4>[ 382.054264] [<ffffffffa00190d4>] ? setplane_internal+0x262/0x2bc [drm]
<4>[ 382.054274] [<ffffffffa00192c9>] ? drm_mode_cursor_common+0x19b/0x27d
[drm]
<4>[ 382.054281] [<ffffffffa001bc3a>] ? drm_mode_cursor_ioctl+0x31/0x36 [drm]
<4>[ 382.054288] [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 382.054296] [<ffffffffa001bc09>] ? drm_mode_setcrtc+0x48b/0x48b [drm]
<3>[ 382.054329] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
<4>[ 386.068681] WARNING: CPU: 0 PID: 4578 at
drivers/gpu/drm/i915/intel_uncore.c:47 gen8_write32+0x70/0x11a [i915]()
<4>[ 386.068683] Modules linked in: dm_mod snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support ppdev pcspkr i2c_i801 snd_hda_intel snd_hda_controller
lpc_ich mfd_core snd_hda_codec 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>[ 386.068698] CPU: 0 PID: 4578 Comm: pm_rpm Tainted: G W
3.17.0-rc2_drm-intel-nightly_e91331_20140828+ #1896
<4>[ 386.068756] [<ffffffffa0018ecc>] ? setplane_internal+0x5a/0x2bc [drm]
<4>[ 386.068766] [<ffffffffa00192c9>] ? drm_mode_cursor_common+0x19b/0x27d
[drm]
<4>[ 386.068774] [<ffffffffa001bc3a>] ? drm_mode_cursor_ioctl+0x31/0x36 [drm]
<4>[ 386.068780] [<ffffffffa0010908>] ? drm_ioctl+0x279/0x3bc [drm]
<4>[ 386.068789] [<ffffffffa001bc09>] ? drm_mode_setcrtc+0x48b/0x48b [drm]
<3>[ 386.068822] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
==Reproduce steps==
----------------------------
1. ./pm_rpm --run-subtest cursor
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