igt@gem_create@create-ext-cpu-access-big - abort - DMAR: ERROR: DMA PTE for vPFN * already set

This test is generating too big dmesg, CBL crash when creating filters for dmesg, had to cut too long result:

https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_12365/shard-dg2-5/igt@gem_create@create-ext-cpu-access-big.html

Please fix it

https://gfx-ci.igk.intel.com/cibuglog-ng/testresult/2054779686?query_key=0a2ca862b38f0cd9be1aaa641deb0d77c1f7db09

Stdout	
Using IGT_SRANDOM=1735618715 for randomisation
Opened device: /dev/dri/card0
Starting subtest: create-ext-cpu-access-big



This test caused an abort condition: Child refuses to die, tainted 0x240.

Stderr	
Starting subtest: create-ext-cpu-access-big

Dmesg	
<6> [395.332715] Console: switching to colour dummy device 80x25
<6> [395.333223] [IGT] gem_create: executing
<7> [395.335720] i915 0000:03:00.0: [drm:i915_gem_open [i915]] 
<7> [395.337244] i915 0000:03:00.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<7> [395.352800] i915 0000:03:00.0: [drm:i915_gem_open [i915]] 
<6> [395.467416] [IGT] gem_create: starting subtest create-ext-cpu-access-big
<5> [397.614421] i915 0000:03:00.0: Using 39-bit DMA addresses
<2> [397.639999] DMAR: ERROR: DMA PTE for vPFN 0x3d00000 already set (to 28dbff003 not 28dbff003)
<4> [397.640095] ------------[ cut here ]------------
<4> [397.640096] WARNING: CPU: 3 PID: 3254 at drivers/iommu/intel/iommu.c:1703 intel_iommu_map_pages+0x687/0x820
<4> [397.640101] Modules linked in: mei_pxp mei_hdcp snd_hda_intel mei_gsc i915 drm_display_helper drm_kms_helper snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_scodec_component snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore prime_numbers ttm cec rc_core drm_buddy i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp cmdlinepart ee1004 spi_nor kvm_intel mtd intel_wmi_thunderbolt ppdev wmi_bmof kvm crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 smsc75xx sha1_ssse3 usbnet aesni_intel crypto_simd cryptd mii rapl intel_cstate i2c_i801 spi_intel_pci spi_intel e1000e i2c_mux mei_me i2c_smbus mei idma64 parport_pc video parport binfmt_misc nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi intel_pch_thermal pmt_telemetry pmt_class input_leds intel_vsec acpi_pad acpi_tad serio_raw dm_multipath msr
<4> [397.640180]  nvme_fabrics efi_pstore fuse nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_kms_helper]
<4> [397.640190] CPU: 3 UID: 0 PID: 3254 Comm: gem_create Tainted: G     U             6.13.0-rc4-CI_DRM_15892-g08bd590935a5+ #1
<4> [397.640193] Tainted: [U]=USER
<4> [397.640195] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021
<4> [397.640196] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4> [397.640199] Code: 75 c0 e8 6c 7d 3f ff 8b 05 fa 11 76 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 dd 11 76 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4> [397.640201] RSP: 0018:ffffc900070f72a8 EFLAGS: 00010202
<4> [397.640204] RAX: 0000000000000004 RBX: ffff8881548b8000 RCX: 0000000000000000
<4> [397.640206] RDX: 0000000000000000 RSI: 0000000003d00000 RDI: 0000000000000000
<4> [397.640207] RBP: ffffc900070f7368 R08: 000000000028dbff R09: 0000000000000001
<4> [397.640209] R10: ffff8881548b8000 R11: 0000000000000000 R12: 00000000000f5801
<4> [397.640210] R13: 0000000000000000 R14: ffff88810244f588 R15: 000000028dbff003
<4> [397.640212] FS:  000074c089b41900(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4> [397.640214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [397.640215] CR2: 000074c08c07fd20 CR3: 0000000159e52003 CR4: 00000000003726f0
<4> [397.640217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [397.640218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4> [397.640220] Call Trace:
<4> [397.640221]  <TASK>
<4> [397.640223]  ? show_regs+0x6c/0x80
<4> [397.640227]  ? __warn+0x93/0x1c0
<4> [397.640230]  ? intel_iommu_map_pages+0x687/0x820
<4> [397.640233]  ? report_bug+0x182/0x1b0
<4> [397.640237]  ? handle_bug+0x6e/0xb0
<4> [397.640240]  ? exc_invalid_op+0x18/0x80
<4> [397.640243]  ? asm_exc_invalid_op+0x1b/0x20
<4> [397.640250]  ? intel_iommu_map_pages+0x687/0x820
<4> [397.640253]  ? intel_iommu_map_pages+0x664/0x820
<4> [397.640255]  ? mark_held_locks+0x46/0x90
<4> [397.640263]  __iommu_map+0x11e/0x2d0
<4> [397.640269]  iommu_map_sg+0xc7/0x210
<4> [397.640274]  iommu_dma_map_sg+0x43b/0x520