igt@i915_selftest@live_blt - DMAR: ERROR: DMA PTE for vPFN 0x7a7c629 already set (to f900 not 43b616003)
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5315/shard-iclb7/igt@i915_selftest@live_blt.html
<2> [153.468041] DMAR: ERROR: DMA PTE for vPFN 0x7a7c629 already set (to f900 not 43b616003)
<4> [153.468202] ------------[ cut here ]------------
<4> [153.468217] WARNING: CPU: 7 PID: 1974 at drivers/iommu/intel-iommu.c:2297 __domain_mapping+0x3c2/0x3d0
<4> [153.468219] Modules linked in: i915(+) snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp snd_intel_dspcfg crct10dif_pclmul snd_hda_codec e1000e crc32_pclmul cdc_ether snd_hwdep ghash_clmulni_intel usbnet snd_hda_core mii snd_pcm ptp pps_core mei_me mei thunderbolt intel_lpss_pci prime_numbers [last unloaded: i915]
<4> [153.468256] CPU: 7 PID: 1974 Comm: igt/blt-2 Tainted: G U 5.4.0-rc8-CI-CI_DRM_7438+ #1
<4> [153.468259] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3234.A01.1906141750 06/14/2019
<4> [153.468263] RIP: 0010:__domain_mapping+0x3c2/0x3d0
<4> [153.468266] Code: 4c 24 08 e8 a9 0e ae ff 8b 05 aa 3e c6 00 4c 8b 4c 24 08 4c 8b 44 24 10 4c 8b 54 24 18 85 c0 74 09 83 e8 01 89 05 8e 3e c6 00 <0f> 0b e9 5e fd ff ff e8 62 52 a6 ff 66 90 41 56 41 55 49 89 d6 41
<4> [153.468268] RSP: 0018:ffffc90000523d38 EFLAGS: 00010202
<4> [153.468271] RAX: 0000000000000004 RBX: 000000043b616003 RCX: 0000000000000001
<4> [153.468273] RDX: 0000000000000000 RSI: ffff88849ffa66f8 RDI: 00000000ffffffff
<4> [153.468275] RBP: ffff88848cb88148 R08: ffff88849aaa8e40 R09: ffff88848cb88000
<4> [153.468277] R10: 000000000043b616 R11: 0000000000000000 R12: 0000000000000001
<4> [153.468279] R13: 0000000000078a7d R14: ffff88847e450a80 R15: 0000000007a7c629
<4> [153.468281] FS: 0000000000000000(0000) GS:ffff88849ff80000(0000) knlGS:0000000000000000
<4> [153.468284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [153.468286] CR2: 000055e21f103180 CR3: 000000048ac80006 CR4: 0000000000760ee0
<4> [153.468288] PKRU: 55555554
<4> [153.468290] Call Trace:
<4> [153.468299] domain_mapping+0x16/0x90
<4> [153.468304] intel_map_sg+0xff/0x2d0
<4> [153.468502] i915_gem_gtt_prepare_pages+0x3e/0x100 [i915]
<4> [153.468626] huge_get_pages+0x1a5/0x230 [i915]
<4> [153.468717] ____i915_gem_object_get_pages+0x21/0xb0 [i915]
<4> [153.468783] i915_gem_object_pin_map+0x1df/0x2d0 [i915]
<4> [153.468850] igt_fill_blt_thread+0x194/0x6c0 [i915]
<4> [153.468921] ? i915_gem_object_fill_blt+0x3b0/0x3b0 [i915]
<4> [153.468933] kthread+0x119/0x130
<4> [153.468937] ? kthread_park+0x80/0x80
<4> [153.468945] ret_from_fork+0x24/0x50
<4> [153.468958] irq event stamp: 60094
<4> [153.468962] hardirqs last enabled at (60093): [<ffffffff81129909>] console_unlock+0x4c9/0x5b0
<4> [153.468969] hardirqs last disabled at (60094): [<ffffffff81001c0a>] trace_hardirqs_off_thunk+0x1a/0x20
<4> [153.468973] softirqs last enabled at (60090): [<ffffffff81c00385>] __do_softirq+0x385/0x47f
<4> [153.468977] softirqs last disabled at (60083): [<ffffffff810b829a>] irq_exit+0xba/0xc0
<4> [153.468979] ---[ end trace b795f0e93d273f0f ]---
<2> [153.468983] DMAR: ERROR: DMA PTE for vPFN 0x7a7c62a already set (to c00 not 43b617003)
Edited by Chris Wilson