[Bug 107783] [4.19rc1][Regression][SKL][IOMMU] i915 0000:00:02.0: Device initialization failed (-12)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107783

--- Comment #3 from Ernest Hurtado <mqajjhfn at 10mail.org> ---
After passing "iommu=pt" display works but there are similar errors:

kernel: DMAR: No ATSR found
kernel: DMAR: dmar0: Using Queued invalidation
kernel: DMAR: dmar1: Using Queued invalidation
kernel: DMAR: Hardware identity mapping for device 0000:00:00.0
kernel: WARNING: CPU: 0 PID: 1 at mm/page_alloc.c:4066
__alloc_pages_nodemask+0xe30/0xf80
kernel: Modules linked in:
kernel: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.0 #1
kernel: Hardware name: LENOVO 20JJS0HD00/20JJS0HD00, BIOS R0HET51W (1.31 )
07/04/2018
kernel: RIP: 0010:__alloc_pages_nodemask+0xe30/0xf80
kernel: Code: d6 dd ff ff 48 85 c0 0f 85 05 fe ff ff 81 e3 00 00 40 00 89 5c 24
4c e9 5a f6 ff ff f7 44 24 30 00 02 00 00 0f 85 ed f2 ff ff <0f> 0b e9 e6 f2 ff
ff 44 8b 64 24 50 41 be 10 00 00 00 e9 df fc ff
kernel: RSP: 0000:ffffb27500cbbbb0 EFLAGS: 00010046
kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000000b
kernel: RDX: 0000000000488020 RSI: 0000000000488020 RDI: ffff93b3617fc000
kernel: RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000787
kernel: R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000100000
kernel: R13: 0000000000000000 R14: 000000000000000b R15: 0000000000000100
kernel: FS:  0000000000000000(0000) GS:ffff93b359400000(0000)
knlGS:0000000000000000
kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: CR2: 0000000000000000 CR3: 00000001e680a001 CR4: 00000000003606f0
kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kernel: Call Trace:
kernel:  ? sched_clock+0x5/0x10
kernel:  ? pci_mmcfg_read+0x89/0xe0
kernel:  ? pci_read_config_word+0x62/0xa0
kernel:  intel_pasid_alloc_table+0x118/0x180
kernel:  dmar_insert_one_dev_info+0x2a2/0x4a0
kernel:  ? klist_iter_exit+0x17/0x30
kernel:  domain_add_dev_info+0x50/0x90
kernel:  dev_prepare_static_identity_mapping+0x30/0x72
kernel:  intel_iommu_init+0xc7c/0x118a
kernel:  ? printk+0x58/0x6f
kernel:  ? preempt_count_add+0x68/0xa0
kernel:  ? free_reserved_area.cold.30+0x18/0x1d
kernel:  ? do_early_param+0x8e/0x8e
kernel:  ? e820__memblock_setup+0x9d/0x9d
kernel:  pci_iommu_init+0x16/0x3f
kernel:  do_one_initcall+0x46/0x1f5
kernel_init_freeable+0x222/0x2b4
kernel:  ? rest_init+0xc5/0xc5
kernel_init+0xa/0x10d
kernel:  ret_from_fork+0x35/0x40
kernel: ---[ end trace 706bc7dc523f6c1a ]---
kernel: DMAR: Failed to setup IOMMU pass-through
kernel: DMAR: Initialization failed
kernel:
=============================================================================
kernel: BUG iommu_domain (Tainted: G        W        ): Objects remaining in
iommu_domain on __kmem_cache_shutdown()
kernel:
-----------------------------------------------------------------------------
kernel taint
kernel: INFO: Slab 0x0000000073358ae1 objects=11 used=1 fp=0x00000000c5af0509
flags=0x2ffff0000008100
kernel: CPU: 0 PID: 1 Comm: swapper/0 Tainted: G    B   W         4.19.0 #1
kernel: Hardware name: LENOVO 20JJS0HD00/20JJS0HD00, BIOS R0HET51W (1.31 )
07/04/2018
kernel: Call Trace:
kernel:  dump_stack+0x5c/0x80
kernel:  slab_err+0xb0/0xd4
kernel:  ? ksm_migrate_page+0x50/0x60
kernel:  ? on_each_cpu_cond+0xb9/0xf0
kernel:  ? __kmalloc+0x1e0/0x220
kernel:  __kmem_cache_shutdown.cold.43+0x1b/0x1a3
kernel:  shutdown_cache+0x11/0x140
kernel:  kmem_cache_destroy+0x1e6/0x210
kernel:  intel_iommu_init+0xff3/0x118a
kernel:  ? printk+0x58/0x6f
kernel:  ? preempt_count_add+0x68/0xa0
kernel:  ? free_reserved_area.cold.30+0x18/0x1d
kernel:  ? do_early_param+0x8e/0x8e
kernel:  ? e820__memblock_setup+0x9d/0x9d
kernel:  pci_iommu_init+0x16/0x3f
kernel:  do_one_initcall+0x46/0x1f5
kernel_init_freeable+0x222/0x2b4
kernel:  ? rest_init+0xc5/0xc5
kernel_init+0xa/0x10d
kernel:  ret_from_fork+0x35/0x40
kernel: INFO: Object 0x0000000020568c9c @offset=5632
kernel: kmem_cache_destroy iommu_domain: Slab cache still has objects
kernel: CPU: 0 PID: 1 Comm: swapper/0 Tainted: G    B   W         4.19.0 #1
kernel: Hardware name: LENOVO 20JJS0HD00/20JJS0HD00, BIOS R0HET51W (1.31 )
07/04/2018
kernel: Call Trace:
kernel:  dump_stack+0x5c/0x80
kernel:  kmem_cache_destroy+0x204/0x210
kernel:  intel_iommu_init+0xff3/0x118a
kernel:  ? printk+0x58/0x6f
kernel:  ? preempt_count_add+0x68/0xa0
kernel:  ? free_reserved_area.cold.30+0x18/0x1d
kernel:  ? do_early_param+0x8e/0x8e
kernel:  ? e820__memblock_setup+0x9d/0x9d
kernel:  pci_iommu_init+0x16/0x3f
kernel:  do_one_initcall+0x46/0x1f5
kernel_init_freeable+0x222/0x2b4
kernel:  ? rest_init+0xc5/0xc5
kernel_init+0xa/0x10d
kernel:  ret_from_fork+0x35/0x40
kernel: PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
kernel: software IO TLB: mapped [mem 0x75f02000-0x79f02000] (64MB)

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