[71.809564] Initializing watchdogs
[71.809622]   /dev/watchdog0
[71.823919] [FACT before any test] new: hardware.pci.gpu_at_addr.0000:00:02.0: 8086:4c8a Intel Rocketlake (Gen12) RocketLake-S GT1 [UHD Graphics 750]
[71.829154] [FACT before any test] new: hardware.pci.drm_card_at_addr.0000:00:02.0: card0
[71.831314] [FACT before any test] new: kernel.kmod_is_loaded.i915: true
[71.833615] [001/131] (960s left) kms_rotation_crc (primary-yf-tiled-reflect-x-270)
[71.935962] Starting subtest: primary-yf-tiled-reflect-x-270
[72.057784] Subtest primary-yf-tiled-reflect-x-270: SKIP (0.119s)
[72.170877] [002/131] (960s left) kms_cursor_crc (cursor-onscreen-64x64)
[72.275374] Starting subtest: cursor-onscreen-64x64
[72.277604] Starting dynamic subtest: pipe-A-HDMI-A-2
[74.831970] Dynamic subtest pipe-A-HDMI-A-2: SUCCESS (2.559s)
[74.860907] Starting dynamic subtest: pipe-B-HDMI-A-2
[77.256503] Dynamic subtest pipe-B-HDMI-A-2: SUCCESS (2.404s)
[77.257222] Subtest cursor-onscreen-64x64: SUCCESS (4.990s)
[77.433389] [003/131] (954s left) syncobj_timeline (etime-multi-wait-all-for-submit-available-unsubmitted)
[77.463166] Starting subtest: etime-multi-wait-all-for-submit-available-unsubmitted
[77.577405] Subtest etime-multi-wait-all-for-submit-available-unsubmitted: SUCCESS (0.105s)
[77.680157] [004/131] (954s left) kms_frontbuffer_tracking (fbc-stridechange)
[77.783064] Starting subtest: fbc-stridechange
[80.167379] Subtest fbc-stridechange: SUCCESS (2.388s)
[80.364796] [005/131] (952s left) i915_suspend (basic-s2idle-without-i915)
[80.393820] Starting subtest: basic-s2idle-without-i915
[101.707877] Subtest basic-s2idle-without-i915: SUCCESS (7.106s)
[109.793720] [006/131] (930s left) kms_chamelium_frames (hdmi-crc-single)
[109.936006] Subtest hdmi-crc-single: SKIP (0.000s)
[110.008215] [007/131] (930s left) kms_psr (psr2-sprite-plane-move)
[110.108842] Subtest psr2-sprite-plane-move: SKIP (0.000s)
[110.159002] [008/131] (930s left) gem_exec_schedule (preempt-queue)
[110.201376] Starting subtest: preempt-queue
[110.202175] Starting dynamic subtest: rcs0
[110.268987] Dynamic subtest rcs0: SUCCESS (0.068s)
[110.275207] Starting dynamic subtest: bcs0
[110.331332] Dynamic subtest bcs0: SUCCESS (0.063s)
[110.337915] Starting dynamic subtest: vcs0
[110.392051] Dynamic subtest vcs0: SUCCESS (0.062s)
[110.398327] Starting dynamic subtest: vecs0
[110.448786] Dynamic subtest vecs0: SUCCESS (0.057s)
[110.449498] Subtest preempt-queue: SUCCESS (0.251s)
[110.773493] [009/131] (929s left) kms_dp_link_training (uhbr-mst)
[110.871012] Starting subtest: uhbr-mst
[110.872405] Subtest uhbr-mst: SKIP (0.000s)
[110.965838] [010/131] (929s left) kms_frontbuffer_tracking (fbc-1p-primscrn-spr-indfb-draw-mmap-wc)
[111.067412] Starting subtest: fbc-1p-primscrn-spr-indfb-draw-mmap-wc
[113.545256] Subtest fbc-1p-primscrn-spr-indfb-draw-mmap-wc: SUCCESS (2.503s)
[113.747008] [011/131] (927s left) gem_partial_pwrite_pread (write-snoop)
[113.781381] Subtest write-snoop: SKIP (0.000s)
[113.867110] [012/131] (926s left) syncobj_wait (single-wait-all-submitted)
[113.895920] Starting subtest: single-wait-all-submitted
[114.012870] Subtest single-wait-all-submitted: SUCCESS (0.108s)
[114.095201] [013/131] (926s left) gem_userptr_blits (huge-split)
[114.138653] Starting subtest: huge-split
[114.142804] Subtest huge-split: SUCCESS (0.004s)
[114.268118] [014/131] (926s left) kms_color (degamma)
[114.367934] Starting subtest: degamma
[114.368714] Starting dynamic subtest: pipe-A-HDMI-A-2
[114.945822] Dynamic subtest pipe-A-HDMI-A-2: SUCCESS (0.582s)
[114.956664] Starting dynamic subtest: pipe-B-HDMI-A-2
[115.413592] Dynamic subtest pipe-B-HDMI-A-2: SUCCESS (0.471s)
[115.414447] Subtest degamma: SUCCESS (1.053s)
[115.584755] [015/131] (925s left) gem_exec_params (readonly)
[115.622347] Starting subtest: readonly
[115.623811] Subtest readonly: SUCCESS (0.001s)
[115.794689] [016/131] (925s left) gem_exec_whisper (basic-fds-forked)
[115.830031] Starting subtest: basic-fds-forked
[118.378830] Subtest basic-fds-forked: SUCCESS (2.554s)
[118.582653] [017/131] (922s left) gem_lmem_swapping (massive)
[118.616012] Subtest massive: SKIP (0.000s)
[118.663181] [018/131] (922s left) gem_userptr_blits (sync-unmap-after-close)
[118.700605] Starting subtest: sync-unmap-after-close
[118.713611] Subtest sync-unmap-after-close: SUCCESS (0.013s)
[118.870935] [019/131] (922s left) kms_cursor_crc (cursor-alpha-opaque)
[118.967892] Starting subtest: cursor-alpha-opaque
[118.968636] Starting dynamic subtest: pipe-A-HDMI-A-2
[119.452657] Dynamic subtest pipe-A-HDMI-A-2: SUCCESS (0.485s)
[119.463758] Starting dynamic subtest: pipe-B-HDMI-A-2
[119.830329] Dynamic subtest pipe-B-HDMI-A-2: SUCCESS (0.378s)
[119.831056] Subtest cursor-alpha-opaque: SUCCESS (0.866s)
[120.009194] [020/131] (921s left) kms_cursor_edge_walk (128x128-left-edge)
[120.108902] Starting subtest: 128x128-left-edge
[120.109689] Starting dynamic subtest: pipe-A-HDMI-A-2
[123.790599] Dynamic subtest pipe-A-HDMI-A-2: SUCCESS (3.692s)
[123.797911] Starting dynamic subtest: pipe-B-HDMI-A-2
[127.397574] Dynamic subtest pipe-B-HDMI-A-2: SUCCESS (3.614s)
[127.398344] Subtest 128x128-left-edge: SUCCESS (7.308s)
[127.517052] [021/131] (913s left) kms_cursor_crc (cursor-sliding-256x85)
[127.623016] Starting subtest: cursor-sliding-256x85
[127.625998] Starting dynamic subtest: pipe-A-HDMI-A-2
[131.689448] Dynamic subtest pipe-A-HDMI-A-2: SUCCESS (4.069s)
[131.720930] Starting dynamic subtest: pipe-B-HDMI-A-2
[135.632587] Dynamic subtest pipe-B-HDMI-A-2: SUCCESS (3.922s)
[135.633409] Subtest cursor-sliding-256x85: SUCCESS (8.020s)
[135.807773] [022/131] (905s left) gem_userptr_blits (process-exit-busy)
[135.845578] Starting subtest: process-exit-busy
[135.857067] Subtest process-exit-busy: SUCCESS (0.011s)
[136.004623] [023/131] (905s left) kms_frontbuffer_tracking (fbc-2p-primscrn-pri-shrfb-draw-pwrite)
[136.106479] Starting subtest: fbc-2p-primscrn-pri-shrfb-draw-pwrite
[136.107858] Subtest fbc-2p-primscrn-pri-shrfb-draw-pwrite: SKIP (0.000s)
[136.328667] [024/131] (904s left) core_hotunplug (unbind-rebind)
[136.387820] Starting subtest: unbind-rebind
[141.667143] Subtest unbind-rebind: SUCCESS (5.284s)
[141.712458] [025/131] (899s left) kms_flip (nonexisting-fb)
[141.813512] Starting subtest: nonexisting-fb
[141.815055] Starting dynamic subtest: A-HDMI-A2
[142.025220] Dynamic subtest A-HDMI-A2: SUCCESS (0.210s)
[142.036999] Starting dynamic subtest: B-HDMI-A2
[142.179766] Dynamic subtest B-HDMI-A2: SUCCESS (0.154s)
[142.181169] Subtest nonexisting-fb: SUCCESS (0.367s)
[142.348464] [026/131] (899s left) kms_prop_blob (invalid-set-prop-any)
[142.376564] Starting subtest: invalid-set-prop-any
[142.377262] Subtest invalid-set-prop-any: SUCCESS (0.000s)
[142.481214] [027/131] (898s left) gem_ctx_param (invalid-get-ringsize)
[142.509587] Starting subtest: invalid-get-ringsize
[142.510364] Subtest invalid-get-ringsize: SUCCESS (0.000s)
[142.612026] [028/131] (898s left) kms_invalid_mode (overflow-vrefresh)
[142.709593] Starting subtest: overflow-vrefresh
[142.710345] Starting dynamic subtest: pipe-A-HDMI-A-2
[142.757433] Dynamic subtest pipe-A-HDMI-A-2: SUCCESS (0.047s)
[142.765635] Starting dynamic subtest: pipe-B-HDMI-A-2
[142.766325] Dynamic subtest pipe-B-HDMI-A-2: SUCCESS (0.001s)
[142.767021] Subtest overflow-vrefresh: SUCCESS (0.049s)
[142.925583] [029/131] (898s left) gem_create (create-invalid-size)
[142.953036] Starting subtest: create-invalid-size
[142.953746] Subtest create-invalid-size: SUCCESS (0.000s)
[143.172682] [030/131] (898s left) gem_eio (in-flight-contexts-1us)
[143.208793] Starting subtest: in-flight-contexts-1us
[155.030285] Subtest in-flight-contexts-1us: SUCCESS (11.825s)
[155.201963] [031/131] (886s left) kms_pm_rpm (cursor-dpms)
[156.631889] Starting subtest: cursor-dpms
[158.149906] Subtest cursor-dpms: SUCCESS (1.518s)
[158.338359] [032/131] (883s left) kms_frontbuffer_tracking (psr-rgb101010-draw-pwrite)
[158.440837] Starting subtest: psr-rgb101010-draw-pwrite
[158.442262] Subtest psr-rgb101010-draw-pwrite: SKIP (0.000s)
[158.591938] [033/131] (883s left) kms_psr_stress_test (invalidate-primary-flip-overlay)
[158.622053] Subtest invalidate-primary-flip-overlay: SKIP (0.000s)
[158.693754] [034/131] (883s left) gem_softpin (safe-alignment)
[158.728031] Starting subtest: safe-alignment
[158.736708] Subtest safe-alignment: SUCCESS (0.009s)
[158.896178] [035/131] (882s left) syncobj_timeline (etime-multi-wait-all-submitted-signaled)
[158.924315] Starting subtest: etime-multi-wait-all-submitted-signaled
[159.033367] Subtest etime-multi-wait-all-submitted-signaled: SUCCESS (0.103s)
[159.101756] [036/131] (882s left) kms_ccs (crc-sprite-planes-basic-4-tiled-bmg-ccs)
[159.199930] Starting subtest: crc-sprite-planes-basic-4-tiled-bmg-ccs
[159.201381] Subtest crc-sprite-planes-basic-4-tiled-bmg-ccs: SKIP (0.000s)
[159.375861] [037/131] (882s left) gem_create (create-massive)
[159.404761] Starting subtest: create-massive
[159.405546] Subtest create-massive: SUCCESS (0.000s)
[159.622956] [038/131] (882s left) gem_exec_suspend (basic)
[159.656644] Starting subtest: basic
[159.657498] Starting dynamic subtest: smem
[160.128169] Dynamic subtest smem: SUCCESS (0.472s)
[160.128981] Subtest basic: SUCCESS (0.472s)
[160.345716] [039/131] (881s left) kms_addfb_basic (clobberred-modifier)
[160.374616] Starting subtest: clobberred-modifier
[160.375419] Subtest clobberred-modifier: SUCCESS (0.000s)
[160.548765] [040/131] (881s left) kms_big_fb (4-tiled-max-hw-stride-32bpp-rotate-0-hflip)
[160.663978] Starting subtest: 4-tiled-max-hw-stride-32bpp-rotate-0-hflip
[160.665392] Subtest 4-tiled-max-hw-stride-32bpp-rotate-0-hflip: SKIP (0.000s)
[160.781154] [041/131] (881s left) perf_pmu (rc6-all-gts)
[160.812861] Starting subtest: rc6-all-gts
[160.814324] Subtest rc6-all-gts: SKIP (0.000s)
[160.908608] [042/131] (881s left) kms_frontbuffer_tracking (psr-1p-primscrn-cur-indfb-draw-blt)
[161.011531] Starting subtest: psr-1p-primscrn-cur-indfb-draw-blt
[161.012890] Subtest psr-1p-primscrn-cur-indfb-draw-blt: SKIP (0.000s)
[161.140113] [043/131] (880s left) kms_async_flips (async-flip-with-page-flip-events-tiled)
[161.240219] Starting subtest: async-flip-with-page-flip-events-tiled
[161.429728] Starting dynamic subtest: pipe-A-HDMI-A-2-y-rc-ccs
[163.636889] Dynamic subtest pipe-A-HDMI-A-2-y-rc-ccs: SUCCESS (2.199s)
[163.657132] Starting dynamic subtest: pipe-A-HDMI-A-2-y
[165.836724] Dynamic subtest pipe-A-HDMI-A-2-y: SUCCESS (2.199s)
[165.854200] Starting dynamic subtest: pipe-A-HDMI-A-2-y
[167.846383] Dynamic subtest pipe-A-HDMI-A-2-y: SUCCESS (2.010s)
[167.857024] Starting dynamic subtest: pipe-A-HDMI-A-2-x
[169.931781] Dynamic subtest pipe-A-HDMI-A-2-x: SUCCESS (2.085s)
[170.091568] Starting dynamic subtest: pipe-B-HDMI-A-2-y-rc-ccs
[172.301079] Dynamic subtest pipe-B-HDMI-A-2-y-rc-ccs: SUCCESS (2.208s)
[172.309554] Starting dynamic subtest: pipe-B-HDMI-A-2-y
[174.480880] Dynamic subtest pipe-B-HDMI-A-2-y: SUCCESS (2.180s)
[174.492531] Starting dynamic subtest: pipe-B-HDMI-A-2-y
[176.490932] Dynamic subtest pipe-B-HDMI-A-2-y: SUCCESS (2.010s)
[176.503151] Starting dynamic subtest: pipe-B-HDMI-A-2-x
[178.557497] Dynamic subtest pipe-B-HDMI-A-2-x: SUCCESS (2.065s)
[178.558559] Subtest async-flip-with-page-flip-events-tiled: SUCCESS (17.315s)
[178.884228] [044/131] (863s left) perf (stress-open-close)
[178.962669] Starting subtest: stress-open-close
[178.963476] Starting dynamic subtest: 0-rcs0
[181.143554] Dynamic subtest 0-rcs0: SUCCESS (2.178s)
[181.144469] Subtest stress-open-close: SUCCESS (2.178s)
[181.196432] [045/131] (860s left) kms_vrr (flip-dpms)
[181.297958] Starting subtest: flip-dpms
[181.300141] Subtest flip-dpms: SKIP (0.000s)
[181.395331] [046/131] (860s left) kms_big_fb (x-tiled-32bpp-rotate-90)
[181.504108] Starting subtest: x-tiled-32bpp-rotate-90
[181.583077] Subtest x-tiled-32bpp-rotate-90: SKIP (0.078s)
[181.728092] [047/131] (860s left) gem_render_copy (yf-tiled)
[181.761603] Starting subtest: yf-tiled
[181.762317] Starting dynamic subtest: smem
[181.835480] Dynamic subtest smem: SUCCESS (0.073s)
[181.836225] Subtest yf-tiled: SUCCESS (0.074s)
[182.049152] [048/131] (860s left) gem_wait (invalid-flags)
[182.081029] Starting subtest: invalid-flags
[182.081785] Subtest invalid-flags: SUCCESS (0.000s)
[182.314622] [049/131] (860s left) kms_frontbuffer_tracking (fbcpsr-rgb101010-draw-blt)
[182.417702] Starting subtest: fbcpsr-rgb101010-draw-blt
[182.419108] Subtest fbcpsr-rgb101010-draw-blt: SKIP (0.000s)
[182.543324] [050/131] (859s left) syncobj_wait (invalid-signal-one-illegal-handle)
[182.572382] Starting subtest: invalid-signal-one-illegal-handle
[182.573085] Subtest invalid-signal-one-illegal-handle: SUCCESS (0.000s)
[182.675807] [051/131] (859s left) kms_big_fb (y-tiled-16bpp-rotate-270)
[182.785565] Starting subtest: y-tiled-16bpp-rotate-270
[184.571153] Subtest y-tiled-16bpp-rotate-270: SUCCESS (1.774s)
[184.837703] [052/131] (857s left) kms_pm_rpm (pm-caching)
[186.255308] Starting subtest: pm-caching
[187.630246] Subtest pm-caching: SUCCESS (1.374s)
[187.825869] [053/131] (854s left) kms_big_fb (yf-tiled-16bpp-rotate-270)
[187.935329] Starting subtest: yf-tiled-16bpp-rotate-270
[187.936702] Subtest yf-tiled-16bpp-rotate-270: SKIP (0.000s)
[188.069701] [054/131] (854s left) kms_psr (fbc-psr2-primary-mmap-gtt)
[188.169655] Subtest fbc-psr2-primary-mmap-gtt: SKIP (0.000s)
[188.232692] [055/131] (854s left) gem_mmap_wc (write-read-distinct)
[188.261067] Starting subtest: write-read-distinct
[188.270789] Subtest write-read-distinct: SUCCESS (0.010s)
[188.397592] [056/131] (854s left) kms_frontbuffer_tracking (fbcpsr-2p-primscrn-spr-indfb-draw-blt)
[188.500014] Starting subtest: fbcpsr-2p-primscrn-spr-indfb-draw-blt
[188.501364] Subtest fbcpsr-2p-primscrn-spr-indfb-draw-blt: SKIP (0.000s)
[188.646580] [057/131] (854s left) gem_userptr_blits (invalid-null-pointer)
[188.679708] Starting subtest: invalid-null-pointer
[188.680402] Subtest invalid-null-pointer: SUCCESS (0.001s)
[188.836838] [058/131] (853s left) kms_frontbuffer_tracking (fbcpsr-1p-primscrn-cur-indfb-draw-mmap-gtt)
[188.937700] Starting subtest: fbcpsr-1p-primscrn-cur-indfb-draw-mmap-gtt
[188.939085] Subtest fbcpsr-1p-primscrn-cur-indfb-draw-mmap-gtt: SKIP (0.000s)
[189.052104] [059/131] (853s left) gem_mmap_gtt (hang-user)
[189.080119] Starting subtest: hang-user
[225.258743] Subtest hang-user: SUCCESS (36.161s)
[225.406697] [060/131] (817s left) gen9_exec_parse (shadow-peek)
[225.439092] Subtest shadow-peek: SKIP (0.000s)
[225.476116] [061/131] (817s left) syncobj_timeline (invalid-single-wait-all-unsubmitted)
[225.504798] Starting subtest: invalid-single-wait-all-unsubmitted
[225.505535] Subtest invalid-single-wait-all-unsubmitted: SUCCESS (0.000s)
[225.612666] [062/131] (817s left) syncobj_wait (multi-wait-submitted)
[225.641736] Starting subtest: multi-wait-submitted
[225.756609] Subtest multi-wait-submitted: SUCCESS (0.106s)
[225.860852] [063/131] (817s left) kms_flip (flip-vs-wf_vblank-interruptible)
[225.962196] Starting subtest: flip-vs-wf_vblank-interruptible
[225.963749] Starting dynamic subtest: A-HDMI-A2
[227.604386] Dynamic subtest A-HDMI-A2: SUCCESS (1.640s)
[227.615776] Starting dynamic subtest: B-HDMI-A2
[229.201516] Dynamic subtest B-HDMI-A2: SUCCESS (1.593s)
[229.205501] Subtest flip-vs-wf_vblank-interruptible: SUCCESS (3.242s)
[229.408449] [064/131] (813s left) kms_psr (fbc-psr-cursor-mmap-cpu)
[229.510730] Subtest fbc-psr-cursor-mmap-cpu: SKIP (0.000s)
[229.554816] [065/131] (813s left) gen7_exec_parse (bitmasks)
[229.586131] Subtest bitmasks: SKIP (0.000s)
[229.635184] [066/131] (813s left) sw_sync (alloc_merge_fence)
[229.664070] Starting subtest: alloc_merge_fence
[229.664787] Subtest alloc_merge_fence: SUCCESS (0.000s)
[229.746432] [067/131] (813s left) syncobj_timeline (single-wait-available-signaled)
[229.774866] Starting subtest: single-wait-available-signaled
[229.775615] Subtest single-wait-available-signaled: SUCCESS (0.000s)
[229.884013] [068/131] (813s left) gem_basic (create-close)
[229.911767] Starting subtest: create-close
[229.913160] Subtest create-close: SUCCESS (0.000s)
[230.035047] [069/131] (813s left) gem_userptr_blits (unsync-unmap-cycles)
[230.068593] Subtest unsync-unmap-cycles: SKIP (0.000s)
[230.204694] [070/131] (813s left) gem_exec_fence (syncobj-export)
[230.543038] Starting subtest: syncobj-export
[230.545577] Subtest syncobj-export: SUCCESS (0.002s)
[230.870791] [FACT gem_exec_fence (syncobj-export)] new: kernel.kmod_is_loaded.vgem: true
[230.872901] [071/131] (812s left) kms_plane_scaling (planes-downscale-factor-0-75)
[230.971071] Starting subtest: planes-downscale-factor-0-75
[230.972318] Starting dynamic subtest: pipe-A
[231.082552] Dynamic subtest pipe-A: SUCCESS (0.110s)
[231.100364] Starting dynamic subtest: pipe-B
[231.219479] Dynamic subtest pipe-B: SUCCESS (0.136s)
[231.220904] Subtest planes-downscale-factor-0-75: SUCCESS (0.248s)
[231.412193] [072/131] (811s left) api_intel_bb (intel-bb-blit-y)
[231.441099] Starting subtest: intel-bb-blit-y
[234.088102] Subtest intel-bb-blit-y: SUCCESS (2.639s)
[234.229242] [073/131] (809s left) kms_atomic_transition (plane-all-modeset-transition-internal-panels)
[234.331183] Starting subtest: plane-all-modeset-transition-internal-panels
[234.332608] Subtest plane-all-modeset-transition-internal-panels: SKIP (0.000s)
[234.424328] [074/131] (808s left) kms_big_fb (x-tiled-max-hw-stride-32bpp-rotate-0)
[234.532148] Starting subtest: x-tiled-max-hw-stride-32bpp-rotate-0
[235.872104] Subtest x-tiled-max-hw-stride-32bpp-rotate-0: SUCCESS (1.339s)
[236.078002] [075/131] (807s left) kms_ccs (crc-primary-basic-y-tiled-gen12-rc-ccs)
[236.176099] Starting subtest: crc-primary-basic-y-tiled-gen12-rc-ccs
[236.176904] Starting dynamic subtest: pipe-A-HDMI-A-2
[237.375719] Dynamic subtest pipe-A-HDMI-A-2: SUCCESS (1.195s)
[237.389956] Starting dynamic subtest: pipe-B-HDMI-A-2
[238.096368] Dynamic subtest pipe-B-HDMI-A-2: SUCCESS (0.719s)
[238.097047] Subtest crc-primary-basic-y-tiled-gen12-rc-ccs: SUCCESS (1.918s)
[238.289352] [076/131] (805s left) kms_big_fb (4-tiled-32bpp-rotate-270)
[238.398787] Starting subtest: 4-tiled-32bpp-rotate-270
[238.400143] Subtest 4-tiled-32bpp-rotate-270: SKIP (0.000s)
[238.533656] [077/131] (804s left) i915_drm_fdinfo (virtual-idle)
[238.564152] Starting subtest: virtual-idle
[240.585790] Subtest virtual-idle: SUCCESS (2.012s)
[240.668855] [078/131] (802s left) kms_flip (flip-vs-suspend-interruptible)
[240.771439] Starting subtest: flip-vs-suspend-interruptible
[240.773009] Starting dynamic subtest: A-HDMI-A2