[ 0.000000] WARNING: CPU: 0 PID: 0 at /build/buildd/linux-3.11.0/drivers/iommu/dmar.c:488 warn_invalid_dmar+0x7e/0x90() [ 0.000000] Your BIOS is broken; DMAR reported at address 0! [ 0.000000] BIOS vendor: LENOVO; Ver: 74CN26WW(V1.07); Product Version: Lenovo IdeaPad Y410P [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.11.0-14-generic #21-Ubuntu [ 0.000000] Hardware name: LENOVO 20216/20216, BIOS 74CN26WW(V1.07) 05/08/2013 [ 0.000000] 000000000000000b ffffffff81c01de8 ffffffff816e593a ffffffff81c01e30 [ 0.000000] ffffffff81c01e20 ffffffff81061dbd ffffffff81fd0008 ffffffff81fd0034 [ 0.000000] 0000000000000000 ffff88026f5abf00 ffffffff81e72000 ffffffff81c01e80 [ 0.000000] Call Trace: [ 0.000000] [<ffffffff816e593a>] dump_stack+0x45/0x56 [ 0.000000] [<ffffffff81061dbd>] warn_slowpath_common+0x7d/0xa0 [ 0.000000] [<ffffffff81061e74>] warn_slowpath_fmt_taint+0x44/0x50 [ 0.000000] [<ffffffff81d401f3>] ? early_ioremap+0x13/0x15 [ 0.000000] [<ffffffff81d36d4e>] ? __acpi_map_table+0x13/0x18 [ 0.000000] [<ffffffff815c446e>] warn_invalid_dmar+0x7e/0x90 [ 0.000000] [<ffffffff81d7b0d4>] check_zero_address+0x68/0xf4 [ 0.000000] [<ffffffff81d7b175>] detect_intel_iommu+0x15/0xae [ 0.000000] [<ffffffff81d30e24>] pci_iommu_alloc+0x4a/0x6c [ 0.000000] [<ffffffff81d3fc2c>] mem_init+0x17/0x9c [ 0.000000] [<ffffffff81d26ccb>] start_kernel+0x1de/0x416 [ 0.000000] [<ffffffff81d268f6>] ? repair_env_string+0x5c/0x5c [ 0.000000] [<ffffffff81d26120>] ? early_idt_handlers+0x120/0x120 [ 0.000000] [<ffffffff81d265de>] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [<ffffffff81d266e8>] x86_64_start_kernel+0x108/0x117
** Package changed: alsa-driver (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1263036 Title: [20216, Realtek ALC282, Speaker, Internal] Power-Save buzzing, and suspend/shutdown popping To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1263036/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs