You have been subscribed to a public bug: Kernel 3.16.0-34-generic #47-Ubuntu SMP Fri Apr 10 18:02:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux , Ubuntu 14.10
[ 0.673598] IOMMU 1 0xfed91000: using Queued invalidation [ 0.673600] IOMMU: Setting RMRR: [ 0.673608] IOMMU: Setting identity map for device 0000:00:14.0 [0x9d75c000 - 0x9d78efff] [ 0.673625] IOMMU: Setting identity map for device 0000:00:1a.0 [0x9d75c000 - 0x9d78efff] [ 0.673639] IOMMU: Setting identity map for device 0000:00:1d.0 [0x9d75c000 - 0x9d78efff] [ 0.673648] IOMMU: Prepare 0-16MiB unity mapping for LPC [ 0.673653] IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff] [ 0.673723] PCI-DMA: Intel(R) Virtualization Technology for Directed I/O [ 0.673788] ------------[ cut here ]------------ [ 0.673793] WARNING: CPU: 2 PID: 1 at /build/buildd/linux-3.16.0/drivers/pci/search.c:131 pci_find_upstream_pcie_bridge+0x65/0x90() [ 0.673795] Modules linked in: [ 0.673798] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.16.0-34-generic #47-Ubuntu [ 0.673800] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Extreme4, BIOS P2.70 11/28/2012 [ 0.673802] 0000000000000009 ffff88040a1ebd30 ffffffff8178416e 0000000000000000 [ 0.673805] ffff88040a1ebd68 ffffffff8106fefd ffff880409aa2098 ffff880409aa2000 [ 0.673807] ffff880409aa2098 0000000000000000 0000000000000000 ffff88040a1ebd78 [ 0.673810] Call Trace: [ 0.673813] [<ffffffff8178416e>] dump_stack+0x45/0x56 [ 0.673816] [<ffffffff8106fefd>] warn_slowpath_common+0x7d/0xa0 [ 0.673819] [<ffffffff8106ffda>] warn_slowpath_null+0x1a/0x20 [ 0.673821] [<ffffffff813e85f5>] pci_find_upstream_pcie_bridge+0x65/0x90 [ 0.673824] [<ffffffff8165370e>] intel_iommu_add_device+0x3e/0x210 [ 0.673828] [<ffffffff81649060>] ? bus_set_iommu+0x50/0x50 [ 0.673830] [<ffffffff8164908a>] add_iommu_group+0x2a/0x60 [ 0.673834] [<ffffffff814d14fb>] bus_for_each_dev+0x6b/0xb0 [ 0.673836] [<ffffffff81649058>] bus_set_iommu+0x48/0x50 [ 0.673840] [<ffffffff81d9ae58>] intel_iommu_init+0x504/0x58a [ 0.673842] [<ffffffff81d4d211>] ? memblock_find_dma_reserve+0x13c/0x13c [ 0.673844] [<ffffffff81d4d223>] pci_iommu_init+0x12/0x3c [ 0.673847] [<ffffffff81002148>] do_one_initcall+0xd8/0x210 [ 0.673850] [<ffffffff81092b9d>] ? parse_args+0x21d/0x4e0 [ 0.673853] [<ffffffff81d4311d>] kernel_init_freeable+0x190/0x218 [ 0.673857] [<ffffffff81777570>] ? rest_init+0x80/0x80 [ 0.673859] [<ffffffff8177757e>] kernel_init+0xe/0xf0 [ 0.673862] [<ffffffff8178c0fc>] ret_from_fork+0x7c/0xb0 [ 0.673864] [<ffffffff81777570>] ? rest_init+0x80/0x80 [ 0.673870] ---[ end trace 1cf60c0c13553ce0 ]--- [ 0.675389] RAPL PMU detected, hw unit 2^-16 Joules, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer ** Affects: linux-lts-utopic (Ubuntu) Importance: Undecided Status: New -- Call Trace: pci_find_upstream_pcie_bridge https://bugs.launchpad.net/bugs/1448517 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-lts-utopic in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp