Result:
git-log-oneline i915_display_info0 igt_runner0 run0 runtimes0 results0.json boot0 dmesg0
| Detail | Value |
|---|---|
| Duration | 24.75 seconds |
| Igt-Version |
IGT-Version: 2.2-g069c5ee6e (x86_64) (Linux: 6.18.0-rc7-next-20251128-next-20251128-g7d31f578f323+ x86_64) |
| Out |
Starting dynamic subtest: gtt Dynamic subtest gtt: SUCCESS (24.753s) |
| Err |
Starting dynamic subtest: gtt Dynamic subtest gtt: SUCCESS (24.753s) |
| Dmesg |
<6> [595.475131] [IGT] i915_selftest: starting dynamic subtest gtt
<5> [597.837597] Setting dangerous option force_probe - tainting kernel
<5> [597.837621] Setting dangerous option live_selftests - tainting kernel
<6> [597.848743] i915 0000:4d:00.0: Force probing unsupported Device ID 56c0, tainting kernel
<7> [597.849336] i915 0000:4d:00.0: [drm:intel_display_device_probe [i915]] Unknown device ID 56c0; disabling display.
<7> [597.857219] i915 0000:4d:00.0: [drm:intel_wopcm_init_early [i915]] WOPCM: 2048K
<7> [597.858413] i915 0000:4d:00.0: [drm:intel_uc_init_early [i915]] GT0: enable_guc=3 (guc:yes submission:yes huc:yes slpc:yes)
<7> [597.859712] i915 0000:4d:00.0: [drm:intel_pch_detect [i915]] No PCH found.
<7> [597.860788] i915 0000:4d:00.0: [drm:intel_gt_probe_all [i915]] GT0: Setting up Primary GT
<6> [597.862117] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
<6> [597.862131] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
<7> [597.862977] i915 0000:4d:00.0: [drm:intel_engines_init_mmio [i915]] GT0: vdbox enable: 0005, instances: 0005
<7> [597.863720] i915 0000:4d:00.0: [drm:intel_engines_init_mmio [i915]] GT0: vebox enable: 0003, instances: 0003
<7> [597.865551] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] GGTT size = 4096M
<7> [597.866225] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] GMADR size = 0M
<7> [597.866851] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] DSM size = 0M
<6> [597.867431] i915 0000:4d:00.0: [drm] VT-d active for gfx access
<7> [597.868453] i915 0000:4d:00.0: [drm:i915_gem_init_stolen [i915]] GEN6_STOLEN_RESERVED = 0x000000037fc00147
<7> [597.868989] i915 0000:4d:00.0: [drm:i915_gem_init_stolen [i915]] Memory reserved for graphics device: 24576K, usable: 20480K
<7> [597.869957] i915 0000:4d:00.0: [drm:intel_memory_regions_hw_probe [i915]] Memory region(0): system-ttm: 128490 MiB [mem 0x00000000-0x1f5ea15fff], io: n/a
<7> [597.870436] i915 0000:4d:00.0: [drm:intel_memory_regions_hw_probe [i915]] Memory region(1): local0: 14248 MiB [mem 0x00000000-0x37a7fffff], io: 14248 MiB [mem 0x3bbc00000000-0x3bbf7a7fffff]
<7> [597.870830] i915 0000:4d:00.0: [drm:intel_memory_regions_hw_probe [i915]] Memory region(6): stolen-local: 20 MiB [mem 0x37e800000-0x37fbfffff], io: 20 MiB [mem 0x3bbf7e800000-0x3bbf7fbfffff]
<7> [597.871990] i915 0000:4d:00.0: [drm:intel_opregion_setup [i915]] graphic opregion physical addr: 0x0
<7> [597.872628] i915 0000:4d:00.0: [drm:intel_opregion_setup [i915]] ACPI OpRegion not supported!
<7> [597.873413] i915 0000:4d:00.0: [drm:snb_pcode_write_timeout [i915]] warning: pcode (write of 0x00000000 to mbox 67c) mailbox access failed for snb_pcode_write_p [i915]: -6
<7> [597.874286] i915 0000:4d:00.0: [drm:intel_bios_init [i915]] Skipping VBT init due to disabled display.
<7> [597.880282] i915 0000:4d:00.0: [drm:intel_wopcm_init [i915]] GuC WOPCM is already locked [1440K, 544K)
<7> [597.880665] i915 0000:4d:00.0: [drm:i915_init_ggtt [i915]] clearing unused GTT space: [0, fee00000]
<7> [597.880994] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: Default steering: group=0x0, instance=0x0
<7> [597.881359] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: MSLICE steering: uses default steering
<7> [597.881667] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: LNCF steering: uses default steering
<7> [597.882031] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 18 GT workarounds on global
<7> [597.890242] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 18 engine workarounds on rcs'0
<7> [597.890562] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 whitelist workarounds on rcs'0
<7> [597.890826] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 9 context workarounds on rcs'0
<7> [597.892885] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 engine workarounds on bcs'0
<7> [597.893244] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 context workarounds on bcs'0
<7> [597.894340] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vcs'0
<7> [597.894628] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vcs'0
<7> [597.895702] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vcs'2
<7> [597.895971] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vcs'2
<7> [597.897210] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vecs'0
<7> [597.897481] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vecs'0
<7> [597.898516] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vecs'1
<7> [597.898785] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vecs'1
<7> [597.900021] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 12 engine workarounds on ccs'0
<7> [597.900322] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on ccs'0
<7> [597.902781] i915 0000:4d:00.0: [drm:intel_guc_log_create [i915]] GT0: GUC: guc_log_level=5 (enabled, verbose:yes, verbosity:3)
<7> [597.903147] i915 0000:4d:00.0: [drm:intel_guc_capture_init [i915]] GT0: GUC: capture found 96 ext-regs.
<7> [597.903497] i915 0000:4d:00.0: [drm:intel_guc_ads_create [i915]] GT0: GUC: Used 8 KB for temporary ADS regset
<7> [597.961699] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 0] = 0xb004f
<7> [597.962029] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 1] = 0x424800
<7> [597.962343] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 2] = 0x4
<7> [597.962619] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 3] = 0x3
<7> [597.962869] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 4] = 0x980
<7> [597.963133] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 5] = 0x56c00008
<7> [597.963378] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 6] = 0x0
<7> [597.963615] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 7] = 0x0
<7> [597.963852] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 8] = 0x0
<7> [597.964106] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 9] = 0x0
<7> [597.964342] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[10] = 0x0
<7> [597.964580] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[11] = 0x0
<7> [597.964814] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[12] = 0x0
<7> [597.965053] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[13] = 0x0
<7> [597.965312] i915 0000:4d:00.0: [drm:intel_huc_init [i915]] GT0: HuC: loaded by GSC = yes
<6> [597.967578] i915 0000:4d:00.0: [drm] GT0: GuC firmware i915/dg2_guc_70.bin version 70.53.0
<6> [597.967586] i915 0000:4d:00.0: [drm] GT0: HuC firmware i915/dg2_huc_gsc.bin version 7.10.16
<7> [597.979286] i915 0000:4d:00.0: [drm:intel_guc_fw_upload [i915]] GT0: GUC: init took 10ms, freq = 1800MHz -> 1800MHz vs 1800MHz, status = 0x8002F034, count = 0, ret = 0
<7> [597.980258] i915 0000:4d:00.0: [drm:guc_enable_communication [i915]] GT0: GUC: communication enabled
<6> [597.983842] i915 0000:4d:00.0: [drm] GT0: GUC: submission enabled
<6> [597.983848] i915 0000:4d:00.0: [drm] GT0: GUC: SLPC enabled
<6> [597.984674] i915 0000:4d:00.0: [drm] GT0: GUC: RC enabled
<7> [597.985108] i915 0000:4d:00.0: [drm:__guc_action_get_hwconfig [i915]] GT0: GUC: Querying HW config table: size = 0, offset = 0x00000000
<7> [597.985833] i915 0000:4d:00.0: [drm:__guc_action_get_hwconfig [i915]] GT0: GUC: Querying HW config table: size = 780, offset = 0x00D30000
<7> [598.020138] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed rcs'0 to rcs0
<7> [598.020409] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed bcs'0 to bcs0
<7> [598.020618] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vcs'0 to vcs0
<7> [598.020815] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vcs'2 to vcs1
<7> [598.021009] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vecs'0 to vecs0
<7> [598.021230] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vecs'1 to vecs1
<7> [598.021422] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed ccs'0 to ccs0
<6> [598.025465] [drm] Initialized i915 1.6.0 for 0000:4d:00.0 on minor 0
<7> [598.029154] i915 0000:4d:00.0: [drm:intel_gsc_init [i915]] setting up GSC lmem
<7> [598.044858] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: pciid=0x56c0 rev=0x08 platform=DG2 (subplatform=0x1) gen=12
<7> [598.045264] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: graphics version: 12.55
<7> [598.045473] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: media version: 12.55
<7> [598.045664] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: graphics stepping: C0
<7> [598.045852] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: media stepping: C0
<7> [598.046038] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: gt: 0
<7> [598.046265] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: memory-regions: 0x43
<7> [598.046455] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: page-sizes: 0x211000
<7> [598.046641] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: platform: DG2
<7> [598.046827] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: ppgtt-size: 48
<7> [598.047011] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: ppgtt-type: 2
<7> [598.047232] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: dma_mask_size: 46
<6> [598.047129] mei_pxp i915.mei-gsc.19712-fbf6fcf1-96cf-4e2e-a6a6-1bab8cbe36b1: bound 0000:4d:00.0 (ops i915_pxp_tee_component_ops [i915])
<7> [598.047639] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: is_mobile: no
<7> [598.047827] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: require_force_probe: yes
<7> [598.048019] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: is_dgfx: yes
<7> [598.048252] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_64bit_reloc: yes
<7> [598.048443] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_64k_pages: yes
<7> [598.048637] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: gpu_reset_clobbers_display: no
<7> [598.048822] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_reset_engine: yes
<7> [598.049016] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_3d_pipeline: yes
<7> [598.049279] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_flat_ccs: yes
<7> [598.049476] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_global_mocs: yes
<7> [598.049662] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_gmd_id: no
<7> [598.049846] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_gt_uc: yes
<7> [598.050031] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_heci_pxp: yes
<7> [598.050250] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_heci_gscfi: yes
<7> [598.050434] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_guc_deprivilege: yes
<7> [598.050618] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_guc_tlb_invalidation: no
<7> [598.050801] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_l3_ccs_read: no
<7> [598.050985] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_l3_dpf: no
<7> [598.051191] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_llc: no
<7> [598.051378] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_logical_ring_contexts: yes
<7> [598.051559] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_logical_ring_elsq: yes
<7> [598.051741] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_media_ratio_mode: yes
<7> [598.051923] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_mslice_steering: yes
<7> [598.052117] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_oa_bpc_reporting: yes
<7> [598.052307] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_oa_slice_contrib_limits: yes
<7> [598.052487] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_oam: yes
<7> [598.052669] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_one_eu_per_fuse_bit: no
<7> [598.052858] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_pxp: no
<7> [598.053039] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_rc6: yes
<7> [598.053254] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_rc6p: no
<7> [598.053438] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_rps: yes
<7> [598.053621] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_runtime_pm: yes
<7> [598.053802] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_snoop: yes
<7> [598.053984] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_coherent_ggtt: no
<7> [598.054190] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: tuning_thread_rr_after_dep: yes
<7> [598.054373] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: unfenced_needs_alignment: no
<7> [598.054554] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: hws_needs_physical: no
<7> [598.054751] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_pooled_eu: no
<7> [598.054932] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: iommu: enabled
<7> [598.055127] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: available engines: 4c1403
<7> [598.055319] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: subslice total: 32
<7> [598.055502] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: geometry dss mask=00000000,ffffffff
<7> [598.055686] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: compute dss mask=00000000,ffffffff
<7> [598.055867] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: EU total: 512
<7> [598.056047] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: EU per subslice: 16
<7> [598.056257] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has slice power gating: no
<7> [598.056455] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has subslice power gating: no
<7> [598.056636] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has EU power gating: no
<6> [598.056816] i915 0000:4d:00.0: [drm] DRM_I915_DEBUG enabled
<6> [598.056819] i915 0000:4d:00.0: [drm] DRM_I915_DEBUG_GEM enabled
<6> [598.056821] i915 0000:4d:00.0: [drm] DRM_I915_DEBUG_RUNTIME_PM enabled
<6> [598.056878] i915: Performing live selftests with st_random_seed=0x4a1e61cc st_timeout=500
<6> [598.056882] i915: Running gtt
<6> [598.056940] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_alloc
<6> [610.252945] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_lowlevel
<7> [610.253261] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [610.753765] lowlevel_hole timed out before 662/524288
<6> [610.833076] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_drunk
<7> [610.833464] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [611.333763] drunk_hole timed out after 623/524288
<6> [611.354708] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_walk
<7> [611.354834] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [611.855807] walk_hole timed out at 26e000
<6> [611.930745] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_pot
<7> [611.931110] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [612.814458] pot_hole timed out after 39/47
<6> [612.866681] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_fill
<7> [612.866960] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [613.437050] fill_hole timed out (npages=32768, prime=2)
<6> [613.487843] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_shrink
<7> [613.488142] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [614.335305] __shrink_hole timed out at offset 3fffff000 [0 - ffffffff0000]
<6> [614.933905] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_shrink_boom
<7> [614.934332] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<6> [615.200721] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_misaligned_pin
<7> [615.201092] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<6> [615.438877] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_lowlevel
<7> [615.939984] lowlevel_hole timed out before 43512/519960
<7> [616.421661] lowlevel_hole timed out before 0/128
<7> [616.437952] lowlevel_hole timed out before 0/4
<6> [616.453841] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_drunk
<7> [616.954717] drunk_hole timed out after 8293/519960
<6> [616.971574] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_walk
<7> [617.471751] walk_hole timed out at 303a000
<6> [617.491568] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_pot
<7> [618.399731] pot_hole timed out after 19/31
<6> [618.423036] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_fill
<7> [618.935002] fill_hole timed out (npages=1, prime=3)
<6> [618.952009] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_page
<6> [618.952036] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_misaligned_pin
<7> [619.248792] i915 0000:4d:00.0: [drm:intel_gt_set_wedged [i915]] called from intel_gt_set_wedged_on_fini+0x12/0x50 [i915]
<3> [619.488206] i915 0000:4d:00.0: probe with driver i915 failed with error -25
<6> [620.228167] [IGT] i915_selftest: finished subtest gtt, SUCCESS
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