Result:
git-log-oneline i915_display_info0 igt_runner0 run0 runtimes0 results0.json boot0 dmesg0
| Detail | Value |
|---|---|
| Duration | 24.16 seconds |
| Igt-Version |
IGT-Version: 2.2-g5af861520 (x86_64) (Linux: 6.18.0-rc5-next-20251114-next-20251114-g0f2995693867+ x86_64) |
| Out |
Starting dynamic subtest: gtt Dynamic subtest gtt: SUCCESS (24.162s) |
| Err |
Starting dynamic subtest: gtt Dynamic subtest gtt: SUCCESS (24.162s) |
| Dmesg |
<6> [547.551099] [IGT] i915_selftest: starting dynamic subtest gtt
<5> [548.835105] Setting dangerous option force_probe - tainting kernel
<5> [548.835128] Setting dangerous option live_selftests - tainting kernel
<6> [548.845834] i915 0000:4d:00.0: Force probing unsupported Device ID 56c0, tainting kernel
<7> [548.846427] i915 0000:4d:00.0: [drm:intel_display_device_probe [i915]] Unknown device ID 56c0; disabling display.
<7> [548.854391] i915 0000:4d:00.0: [drm:intel_wopcm_init_early [i915]] WOPCM: 2048K
<7> [548.855724] i915 0000:4d:00.0: [drm:intel_uc_init_early [i915]] GT0: enable_guc=3 (guc:yes submission:yes huc:yes slpc:yes)
<7> [548.856933] i915 0000:4d:00.0: [drm:intel_pch_detect [i915]] No PCH found.
<7> [548.857859] i915 0000:4d:00.0: [drm:intel_gt_probe_all [i915]] GT0: Setting up Primary GT
<6> [548.859077] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
<6> [548.859089] resource: avoiding allocation from e820 entry [mem 0x0009f000-0x000fffff]
<7> [548.859818] i915 0000:4d:00.0: [drm:intel_engines_init_mmio [i915]] GT0: vdbox enable: 0005, instances: 0005
<7> [548.860560] i915 0000:4d:00.0: [drm:intel_engines_init_mmio [i915]] GT0: vebox enable: 0003, instances: 0003
<7> [548.862298] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] GGTT size = 4096M
<7> [548.862943] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] GMADR size = 0M
<7> [548.863612] i915 0000:4d:00.0: [drm:i915_ggtt_probe_hw [i915]] DSM size = 0M
<6> [548.864223] i915 0000:4d:00.0: [drm] VT-d active for gfx access
<7> [548.865455] i915 0000:4d:00.0: [drm:i915_gem_init_stolen [i915]] GEN6_STOLEN_RESERVED = 0x000000037fc00147
<7> [548.866138] i915 0000:4d:00.0: [drm:i915_gem_init_stolen [i915]] Memory reserved for graphics device: 24576K, usable: 20480K
<7> [548.867047] i915 0000:4d:00.0: [drm:intel_memory_regions_hw_probe [i915]] Memory region(0): system-ttm: 128489 MiB [mem 0x00000000-0x1f5e9f2fff], io: n/a
<7> [548.867525] 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> [548.867971] 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> [548.869147] i915 0000:4d:00.0: [drm:intel_opregion_setup [i915]] graphic opregion physical addr: 0x0
<7> [548.869684] i915 0000:4d:00.0: [drm:intel_opregion_setup [i915]] ACPI OpRegion not supported!
<7> [548.870399] 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> [548.871359] i915 0000:4d:00.0: [drm:intel_bios_init [i915]] Skipping VBT init due to disabled display.
<7> [548.877096] i915 0000:4d:00.0: [drm:intel_wopcm_init [i915]] GuC WOPCM is already locked [1440K, 544K)
<7> [548.877487] i915 0000:4d:00.0: [drm:i915_init_ggtt [i915]] clearing unused GTT space: [0, fee00000]
<7> [548.877830] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: Default steering: group=0x0, instance=0x0
<7> [548.878184] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: MSLICE steering: uses default steering
<7> [548.878493] i915 0000:4d:00.0: [drm:debug_dump_steering [i915]] MCR Steering: LNCF steering: uses default steering
<7> [548.878839] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 18 GT workarounds on global
<7> [548.886558] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 18 engine workarounds on rcs'0
<7> [548.886917] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 whitelist workarounds on rcs'0
<7> [548.887294] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 9 context workarounds on rcs'0
<7> [548.889342] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 engine workarounds on bcs'0
<7> [548.889686] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 2 context workarounds on bcs'0
<7> [548.890830] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vcs'0
<7> [548.891165] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vcs'0
<7> [548.892317] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vcs'2
<7> [548.892640] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vcs'2
<7> [548.893972] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vecs'0
<7> [548.894359] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vecs'0
<7> [548.895497] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 engine workarounds on vecs'1
<7> [548.895800] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on vecs'1
<7> [548.896922] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 12 engine workarounds on ccs'0
<7> [548.897258] i915 0000:4d:00.0: [drm:wa_init_finish [i915]] GT0: Initialized 1 context workarounds on ccs'0
<7> [548.899836] i915 0000:4d:00.0: [drm:intel_guc_log_create [i915]] GT0: GUC: guc_log_level=5 (enabled, verbose:yes, verbosity:3)
<7> [548.900224] i915 0000:4d:00.0: [drm:intel_guc_capture_init [i915]] GT0: GUC: capture found 96 ext-regs.
<7> [548.900608] i915 0000:4d:00.0: [drm:intel_guc_ads_create [i915]] GT0: GUC: Used 8 KB for temporary ADS regset
<7> [548.962404] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 0] = 0xb004f
<7> [548.962755] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 1] = 0x424800
<7> [548.963086] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 2] = 0x4
<7> [548.963379] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 3] = 0x3
<7> [548.963660] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 4] = 0x980
<7> [548.963945] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 5] = 0x56c00008
<7> [548.964244] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 6] = 0x0
<7> [548.964525] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 7] = 0x0
<7> [548.964792] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 8] = 0x0
<7> [548.965077] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[ 9] = 0x0
<7> [548.965351] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[10] = 0x0
<7> [548.965616] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[11] = 0x0
<7> [548.965886] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[12] = 0x0
<7> [548.966176] i915 0000:4d:00.0: [drm:intel_guc_init [i915]] GT0: GUC: param[13] = 0x0
<7> [548.966452] i915 0000:4d:00.0: [drm:intel_huc_init [i915]] GT0: HuC: loaded by GSC = yes
<6> [548.968670] i915 0000:4d:00.0: [drm] GT0: GuC firmware i915/dg2_guc_70.bin version 70.53.0
<6> [548.968678] i915 0000:4d:00.0: [drm] GT0: HuC firmware i915/dg2_huc_gsc.bin version 7.10.16
<7> [548.980072] 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> [548.981216] i915 0000:4d:00.0: [drm:guc_enable_communication [i915]] GT0: GUC: communication enabled
<6> [548.984218] i915 0000:4d:00.0: [drm] GT0: GUC: submission enabled
<6> [548.984225] i915 0000:4d:00.0: [drm] GT0: GUC: SLPC enabled
<6> [548.984952] i915 0000:4d:00.0: [drm] GT0: GUC: RC enabled
<7> [548.985377] i915 0000:4d:00.0: [drm:__guc_action_get_hwconfig [i915]] GT0: GUC: Querying HW config table: size = 0, offset = 0x00000000
<7> [548.986174] i915 0000:4d:00.0: [drm:__guc_action_get_hwconfig [i915]] GT0: GUC: Querying HW config table: size = 780, offset = 0x00D30000
<7> [549.022633] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed rcs'0 to rcs0
<7> [549.022959] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed bcs'0 to bcs0
<7> [549.023261] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vcs'0 to vcs0
<7> [549.023524] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vcs'2 to vcs1
<7> [549.023785] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vecs'0 to vecs0
<7> [549.024050] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed vecs'1 to vecs1
<7> [549.024302] i915 0000:4d:00.0: [drm:intel_engines_driver_register [i915]] renamed ccs'0 to ccs0
<6> [549.028383] [drm] Initialized i915 1.6.0 for 0000:4d:00.0 on minor 0
<7> [549.034092] i915 0000:4d:00.0: [drm:intel_gsc_init [i915]] setting up GSC lmem
<6> [549.044888] mei_pxp i915.mei-gsc.19712-fbf6fcf1-96cf-4e2e-a6a6-1bab8cbe36b1: bound 0000:4d:00.0 (ops i915_pxp_tee_component_ops [i915])
<7> [549.048617] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: pciid=0x56c0 rev=0x08 platform=DG2 (subplatform=0x1) gen=12
<7> [549.049083] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: graphics version: 12.55
<7> [549.049344] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: media version: 12.55
<7> [549.049592] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: graphics stepping: C0
<7> [549.049837] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: media stepping: C0
<7> [549.050099] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: gt: 0
<7> [549.050347] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: memory-regions: 0x43
<7> [549.050594] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: page-sizes: 0x211000
<7> [549.050837] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: platform: DG2
<7> [549.051088] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: ppgtt-size: 48
<7> [549.051321] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: ppgtt-type: 2
<7> [549.051546] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: dma_mask_size: 46
<7> [549.051771] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: is_mobile: no
<7> [549.052009] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: require_force_probe: yes
<7> [549.052235] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: is_dgfx: yes
<7> [549.052461] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_64bit_reloc: yes
<7> [549.052690] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_64k_pages: yes
<7> [549.052928] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: gpu_reset_clobbers_display: no
<7> [549.053180] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_reset_engine: yes
<7> [549.053416] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_3d_pipeline: yes
<7> [549.053638] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_flat_ccs: yes
<7> [549.053868] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_global_mocs: yes
<7> [549.054110] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_gmd_id: no
<7> [549.054336] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_gt_uc: yes
<7> [549.054566] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_heci_pxp: yes
<7> [549.054790] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_heci_gscfi: yes
<7> [549.055036] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_guc_deprivilege: yes
<7> [549.055271] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_guc_tlb_invalidation: no
<7> [549.055499] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_l3_ccs_read: no
<7> [549.055734] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_l3_dpf: no
<7> [549.055963] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_llc: no
<7> [549.056244] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_logical_ring_contexts: yes
<7> [549.056476] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_logical_ring_elsq: yes
<7> [549.056701] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_media_ratio_mode: yes
<7> [549.056928] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_mslice_steering: yes
<7> [549.057179] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_oa_bpc_reporting: yes
<7> [549.057409] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_oa_slice_contrib_limits: yes
<7> [549.057635] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_oam: yes
<7> [549.057863] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_one_eu_per_fuse_bit: no
<7> [549.058106] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_pxp: no
<7> [549.058342] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_rc6: yes
<7> [549.058584] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_rc6p: no
<7> [549.058848] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_rps: yes
<7> [549.059098] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_runtime_pm: yes
<7> [549.059329] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_snoop: yes
<7> [549.059556] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_coherent_ggtt: no
<7> [549.059781] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: tuning_thread_rr_after_dep: yes
<7> [549.060021] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: unfenced_needs_alignment: no
<7> [549.060245] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: hws_needs_physical: no
<7> [549.060470] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has_pooled_eu: no
<7> [549.060710] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: iommu: enabled
<7> [549.060933] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: available engines: 4c1403
<7> [549.061183] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: subslice total: 32
<7> [549.061413] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: geometry dss mask=00000000,ffffffff
<7> [549.061641] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: compute dss mask=00000000,ffffffff
<7> [549.061869] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: EU total: 512
<7> [549.062121] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: EU per subslice: 16
<7> [549.062350] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has slice power gating: no
<7> [549.062586] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has subslice power gating: no
<7> [549.062814] i915 0000:4d:00.0: [drm:i915_driver_probe [i915]] device info: has EU power gating: no
<6> [549.063053] i915 0000:4d:00.0: [drm] DRM_I915_DEBUG enabled
<6> [549.063055] i915 0000:4d:00.0: [drm] DRM_I915_DEBUG_GEM enabled
<6> [549.063057] i915 0000:4d:00.0: [drm] DRM_I915_DEBUG_RUNTIME_PM enabled
<6> [549.063118] i915: Performing live selftests with st_random_seed=0x1b54f1c2 st_timeout=500
<6> [549.063123] i915: Running gtt
<6> [549.063175] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_alloc
<6> [561.573808] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_lowlevel
<7> [561.574211] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [562.074896] lowlevel_hole timed out before 691/524288
<6> [562.173514] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_drunk
<7> [562.173985] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [562.673812] drunk_hole timed out after 582/524288
<6> [562.716149] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_walk
<7> [562.716581] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [563.217030] walk_hole timed out at 233000
<6> [563.260028] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_pot
<7> [563.260300] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [564.151166] pot_hole timed out after 39/47
<6> [564.208727] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_fill
<7> [564.209099] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [564.710409] fill_hole timed out (npages=16384, prime=2)
<6> [564.757804] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_shrink
<7> [564.758211] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<7> [565.621007] __shrink_hole timed out at offset 3fffff000 [0 - ffffffff0000]
<6> [566.310581] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_shrink_boom
<7> [566.311022] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<6> [566.610196] i915: Running i915_gem_gtt_live_selftests/igt_ppgtt_misaligned_pin
<7> [566.610626] i915 0000:4d:00.0: [drm:i915_gem_open [i915]]
<6> [566.836862] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_lowlevel
<7> [567.337487] lowlevel_hole timed out before 41591/519960
<7> [567.811948] lowlevel_hole timed out before 0/128
<7> [567.831751] lowlevel_hole timed out before 0/4
<6> [567.849631] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_drunk
<7> [568.350950] drunk_hole timed out after 8182/519960
<6> [568.376921] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_walk
<7> [568.877451] walk_hole timed out at 2ef8000
<6> [568.900858] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_pot
<7> [569.833932] pot_hole timed out after 19/31
<6> [569.859037] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_fill
<7> [570.372569] fill_hole timed out (npages=1, prime=3)
<6> [570.391656] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_page
<6> [570.391705] i915: Running i915_gem_gtt_live_selftests/igt_ggtt_misaligned_pin
<7> [570.703715] i915 0000:4d:00.0: [drm:intel_gt_set_wedged [i915]] called from intel_gt_set_wedged_on_fini+0x12/0x50 [i915]
<3> [570.939261] i915 0000:4d:00.0: probe with driver i915 failed with error -25
<6> [571.713893] [IGT] i915_selftest: finished subtest gtt, SUCCESS
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