[sisyphus] Аппаратная виртуализация

[Anton Gorlov]

Кривая недорeализация IOMMU в биосе/плате.
Для начала поищите нет ли обновлений биоса.
Если нет -то ковыряйте настйроки биоса на предмет iommu/vt-d или
играйтесь с параметрами отключения iommu в параметрах ядра -к примеру
intel_iommu=off

21.12.2016 10:35, Aleksey Birukov пишет:
> Бранч 7, ядро 3.14.72-std-pae-alt0.M70P.1.
> Что нет так?
> 
> [    0.477108] PCI-DMA: Intel(R) Virtualization Technology for Directed I/O
> [    0.477224] ------------[ cut here ]------------
> [    0.477229] WARNING: CPU: 1 PID: 1 at drivers/pci/search.c:46
> pci_find_upstream_pcie_bridge+0x4a/0x70()
> [    0.477232] Modules linked in:
> [    0.477236] CPU: 1 PID: 1 Comm: swapper/0 Not tainted
> 3.14.72-std-pae-alt0.M70P.1 #1
> [    0.477239] Hardware name: To Be Filled By O.E.M. To Be Filled By
> O.E.M./Z77 Professional, BIOS P1.70 07/01/2013
> [    0.477242]  00000286 00000286 ebc87e30 c14731de 00000000 c160a420
> ebc87e60 c10471af
> [    0.477248]  c15e9df8 00000001 00000001 c160a420 0000002e c1285d4a
> c1285d4a eb458864
> [    0.477253]  eb458864 eb458800 ebc87e70 c10471ed 00000009 00000000
> ebc87e78 c1285d4a
> [    0.477259] Call Trace:
> [    0.477264]  [<c14731de>] dump_stack+0x58/0x72
> [    0.477268]  [<c10471af>] warn_slowpath_common+0x7f/0xa0
> [    0.477271]  [<c1285d4a>] ? pci_find_upstream_pcie_bridge+0x4a/0x70
> [    0.477274]  [<c1285d4a>] ? pci_find_upstream_pcie_bridge+0x4a/0x70
> [    0.477277]  [<c10471ed>] warn_slowpath_null+0x1d/0x20
> [    0.477280]  [<c1285d4a>] pci_find_upstream_pcie_bridge+0x4a/0x70
> [    0.477284]  [<c13aa962>] intel_iommu_add_device+0x32/0x1e0
> [    0.477288]  [<c1469e6b>] ? klist_next+0x6b/0xf0
> [    0.477291]  [<c13a70b0>] ? bus_set_iommu+0x50/0x50
> [    0.477294]  [<c13a70d5>] add_iommu_group+0x25/0x50
> [    0.477298]  [<c1335e82>] bus_for_each_dev+0x42/0x80
> [    0.477301]  [<c13a709d>] bus_set_iommu+0x3d/0x50
> [    0.477304]  [<c13a70b0>] ? bus_set_iommu+0x50/0x50
> [    0.477308]  [<c170bf84>] intel_iommu_init+0x306/0x478
> [    0.477312]  [<c16d0b07>] pci_iommu_init+0xf/0x34
> [    0.477316]  [<c16d0af8>] ? memblock_find_dma_reserve+0x5/0x5
> [    0.477319]  [<c10004a2>] do_one_initcall+0xf2/0x140
> [    0.477322]  [<c1063b53>] ? parameq+0x13/0x70
> [    0.477325]  [<c16ca521>] ? repair_env_string+0x12/0x51
> [    0.477328]  [<c16ca50f>] ? do_early_param+0x7a/0x7a
> [    0.477330]  [<c1063d91>] ? parse_args+0x1e1/0x320
> [    0.477333]  [<c1085af0>] ? __wake_up+0x40/0x50
> [    0.477336]  [<c16cac9a>] kernel_init_freeable+0x138/0x1dc
> [    0.477339]  [<c16ca50f>] ? do_early_param+0x7a/0x7a
> [    0.477342]  [<c1469f6b>] kernel_init+0xb/0xe0
> [    0.477346]  [<c107339a>] ? schedule_tail+0x1a/0x60
> [    0.477349]  [<c14811f7>] ret_from_kernel_thread+0x1b/0x28
> [    0.477352]  [<c1469f60>] ? rest_init+0x70/0x70
> [    0.477357] ---[ end trace 3fdd358a4943ed1a ]---
> 
> --
> С уважением,
> Бирюков Алексей
> 
> 
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