| Summary: | [BDW Regression]igt/gem_reset_stats some subcases cause "[drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem." | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | Guo Jinxian <jinxianx.guo> | ||||||
| Component: | DRM/Intel | Assignee: | Rodrigo Vivi <rodrigo.vivi> | ||||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||
| Severity: | normal | ||||||||
| Priority: | high | CC: | intel-gfx-bugs, ming.yao, przanoni | ||||||
| Version: | unspecified | ||||||||
| Hardware: | Other | ||||||||
| OS: | All | ||||||||
| Whiteboard: | |||||||||
| i915 platform: | i915 features: | ||||||||
| Attachments: |
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Can you please boot with i915.mmio_debug=1, reproduce the bug and attach the log here? Created attachment 103418 [details] dmesg with i915.mmio_debug=1 (In reply to comment #1) > Can you please boot with i915.mmio_debug=1, reproduce the bug and attach the > log here? root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_reset_stats --run-subtest reset-stats-ctx-render IGT-Version: 1.7-gbffef22 (x86_64) (Linux: 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ x86_64) Subtest reset-stats-ctx-render: SUCCESS root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep "<[1-4]>"|grep drm <4>[ 90.246324] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e [i915]() <4>[ 90.246328] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm ppdev lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq joydev i915 button video drm_kms_helper drm <4>[ 90.246350] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ #790 <4>[ 90.246614] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e [i915]() <4>[ 90.246617] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm ppdev lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq joydev i915 button video drm_kms_helper drm <4>[ 90.246636] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ #790 <4>[ 96.245471] WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e [i915]() <4>[ 96.245482] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm ppdev lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq joydev i915 button video drm_kms_helper drm <4>[ 96.245517] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ #790 <4>[ 96.245865] WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e [i915]() <4>[ 96.245875] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm ppdev lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq joydev i915 button video drm_kms_helper drm <4>[ 96.245915] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ #790 <4>[ 102.248571] WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e [i915]() <4>[ 102.248579] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm ppdev lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq joydev i915 button video drm_kms_helper drm <4>[ 102.248617] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ #790 <4>[ 102.248946] WARNING: CPU: 2 PID: 0 at drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e [i915]() <4>[ 102.248954] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm ppdev lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq joydev i915 button video drm_kms_helper drm <4>[ 102.249002] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ #790 Failure still able to reproduce on latest -nightly(e967a525207bd40ab446e2f809907039f88e66f3) while running test igt/drv_debugfs_reader [root@x-bdw01 tests]# ./drv_debugfs_reader [root@x-bdw01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm <3>[ 69.154532] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem. I can reproduce this. I tested on latest drm-intel-nightly(8980a4380b606860ba0165ed0156a64e79109677) and latest drm-intel-next-queued(a6f9a026761c9c9440bb6a387e84a47d40290176), these sub cases passed. ________________________________________________________________________________ root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_reset_stats --run-subtest reset-stats-ctx-render IGT-Version: 1.7-gac31f19 (x86_64) (Linux: 3.16.0-rc4_drm-intel-next-queued_a6f9a0_20140805+ x86_64) Subtest reset-stats-ctx-render: SUCCESS root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep "<[1-4]>"|grep drm root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# uname -a Linux x-bdw05 3.16.0-rc4_drm-intel-next-queued_a6f9a0_20140805+ #1120 SMP Tue Aug 5 11:42:24 CST 2014 x86_64 x86_64 x86_64 GNU/Linux commit a6f9a026761c9c9440bb6a387e84a47d40290176 Author: Rodrigo Vivi <rodrigo.vivi@intel.com> Date: Fri Aug 1 09:13:28 2014 -0700 drm/i915: Fix DEIER and GTIER collecting for BDW. BDW has many other Display Engine interrupts and GT interrupts registers. Collecting it properly on gpu_error_state. On debugfs all was properly listed already but besides we were also listing old DEIER and GTIER that doesn't exist on BDW anymore. This was causing unclaimed register messages: https://bugs.freedesktop.org/show_bug.cgi?id=81701 v2: Fix small issues of first version and don't read DEIER regs when pipe's power well is disabled v3: bikeshed accepted: use enum pipe pipe instead of int i for pipe interection Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> ________________________________________________________________________________ root@x-bdw05:~# cd /GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests; ./gem_reset_stats --run-subtest reset-stats-ctx-render IGT-Version: 1.7-gac31f19 (x86_64) (Linux: 3.16.0-rc6_drm-intel-nightly_8980a4_20140805+ x86_64) Subtest reset-stats-ctx-render: SUCCESS root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep "<[1-4]>"|grep drm root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# uname -a Linux x-bdw05 3.16.0-rc6_drm-intel-nightly_8980a4_20140805+ #1116 SMP Tue Aug 5 11:24:43 CST 2014 x86_64 x86_64 x86_64 GNU/Linux commit 8980a4380b606860ba0165ed0156a64e79109677 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Aug 4 17:24:12 2014 +0200 drm-intel-nightly: 2014y-08m-04d-17h-23m-47s integration manifest Fix landed on -nightly. Verified on latest -nightly(5a299a5a794999ddcc44578c0cfd58da83bac62b) [root@x-bdw01 tests]# ./gem_reset_stats --run-subtest reset-stats-ctx-render IGT-Version: 1.7-gac31f19 (x86_64) (Linux: 3.16.0_drm-intel-nightly_5a299a_20140807+ x86_64) Subtest reset-stats-ctx-render: SUCCESS [root@x-bdw01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm [root@x-bdw01 tests]# Closing old verified. |
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Created attachment 103380 [details] dmesg ==System Environment== -------------------------- Regression: Yes Good commit on -next-queued: 91565c85b66db820f01894a971d39aaef60c4325 Non-working platforms: BDW ==kernel== -------------------------- origin/drm-intel-nightly: af1aaba219fdd90ca1b30f9b8d8d19352224f170(fails) drm-intel-nightly: 2014y-07m-23d-20h-15m-10s integration manifest origin/drm-intel-next-queued: 2b8ee5710915a244b807fbe3427299d007d19e89(fails) drm/i915: Allow overlapping userptr objects origin/drm-intel-fixes: eedd10f45bdcb2a5b2afa35f845e080c3bc984f2(works) drm/i915: Simplify i915_gem_release_all_mmaps() ==Bug detailed description== ----------------------------- igt/gem_reset_stats some subcases cause "[drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem." Output: root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_reset_stats --run-subtest reset-stats-ctx-render IGT-Version: 1.7-g70e6ed9 (x86_64) (Linux: 3.16.0-rc4_drm-intel-next-queued_2b8ee5_20140724_debug+ x86_64) Subtest reset-stats-ctx-render: SUCCESS root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep "<[1-4]>"|grep drm <3>[ 169.278194] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem. <3>[ 175.277357] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem. <3>[ 175.278108] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning! <3>[ 181.280352] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this problem. <3>[ 181.280605] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning! Reproduce steps: ------------------------- 1. ./gem_reset_stats --run-subtest reset-stats-ctx-render