your system have many problems [ 0.000000] WARNING: CPU: 0 PID: 0 at /build/buildd/linux-3.19.0/drivers/iommu/dmar.c:829 warn_invalid_dmar+0x7c/0x90() [ 0.000000] Your BIOS is broken; DMAR reported at address fed91000 returns all ones! BIOS vendor: American Megatrends Inc.; Ver: P2.20; Product Version: To Be Filled By O.E.M. [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.19.0-16-generic #16-Ubuntu [ 0.000000] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H55M Pro, BIOS P2.20 08/06/2010 [ 0.000000] ffffffff81b0d380 ffffffff81c03d18 ffffffff817c2235 00000000000008c8 [ 0.000000] ffffffff81c03d68 ffffffff81c03d58 ffffffff8107595a 0000000000001000 [ 0.000000] 00000000fed91000 ffffffff81ae8aab ffffffff81fe401c ffffffff81fe4060 [ 0.000000] Call Trace: [ 0.000000] [<ffffffff817c2235>] dump_stack+0x45/0x57 [ 0.000000] [<ffffffff8107595a>] warn_slowpath_common+0x8a/0xc0 [ 0.000000] [<ffffffff81075a1f>] warn_slowpath_fmt_taint+0x3f/0x50 [ 0.000000] [<ffffffff81d7d8d6>] ? __early_ioremap.constprop.0+0x14b/0x1d3 [ 0.000000] [<ffffffff814f108c>] warn_invalid_dmar+0x7c/0x90 [ 0.000000] [<ffffffff81d7dae5>] ? early_iounmap+0x108/0x128 [ 0.000000] [<ffffffff817baa30>] dmar_validate_one_drhd+0xb0/0xf0 [ 0.000000] [<ffffffff814f1232>] dmar_walk_remapping_entries+0x92/0x1d0 [ 0.000000] [<ffffffff81d9cf7a>] detect_intel_iommu+0x52/0xd1 [ 0.000000] [<ffffffff817ba980>] ? xen_swiotlb_init+0x4b0/0x4b0 [ 0.000000] [<ffffffff81d57786>] pci_iommu_alloc+0x4b/0x6e [ 0.000000] [<ffffffff81d67f22>] mem_init+0x17/0x9d [ 0.000000] [<ffffffff81d4cd92>] start_kernel+0x246/0x48f [ 0.000000] [<ffffffff81d4c120>] ? early_idt_handlers+0x120/0x120 [ 0.000000] [<ffffffff81d4c4d7>] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [<ffffffff81d4c61c>] x86_64_start_kernel+0x143/0x152
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1453282 Title: [Neither headphones nor speakers are displayed under "All Settings"->Sound, VIA VT1718S, Green Headphone Out, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1453282/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
