Additional info: reporter: libreport-2.10.0 WARNING: CPU: 0 PID: 0 at drivers/iommu/dmar.c:841 warn_invalid_dmar.part.0+0x57/0x60 Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 5.0.0-300.fc30.x86_64 #1 Hardware name: Notebook W230SS /W230SS , BIOS 4.6.5 04/08/2015 RIP: 0010:warn_invalid_dmar.part.0+0x57/0x60 Code: 1a 00 bf 01 00 00 00 48 89 c3 e8 f4 60 1a 00 4d 89 e9 49 89 d8 4c 89 e2 48 89 c1 48 89 ee 48 c7 c7 00 df 14 a3 e8 48 30 ad ff <0f> 0b 5b 5d 41 5c 41 5d c3 e8 6b 8c 3f 00 31 c0 85 d2 7e 56 55 4c RSP: 0000:ffffffffa3403e10 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffffffa400001c RCX: 00000000000000a8 RDX: 0000000000000001 RSI: 0000000000000086 RDI: 0000000000000047 RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000000cb R10: 0000000000003ad4 R11: 0000000000000003 R12: ffffffffa3110b15 R13: ffffffffa400006c R14: 00000000c81ff601 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff9f90df800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff9f90efdff000 CR3: 000000031a40e001 CR4: 00000000000606b0 Call Trace: dmar_validate_one_drhd+0xa9/0xd0 dmar_walk_remapping_entries+0x76/0x120 detect_intel_iommu+0x66/0xed ? xen_swiotlb_init+0x4e0/0x4e0 pci_iommu_alloc+0x51/0x6c mem_init+0x16/0xb9 start_kernel+0x296/0x519 secondary_startup_64+0xa4/0xb0 Potential duplicate: bug 1590887
Created attachment 1554062 [details] File: dmesg
*** This bug has been marked as a duplicate of bug 1632903 ***
*** Bug 1722532 has been marked as a duplicate of this bug. ***