kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Cristian Aravena Romero, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 1348858
When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1348858

Title:
  WARNING: CPU: 0 PID: 0 at
  /build/buildd/linux-3.13.0/drivers/iommu/dmar.c:488
  warn_invalid_dmar+0x7e/0x90()

Status in The Linux Kernel:
  Unknown
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  [    0.000000] WARNING: CPU: 0 PID: 0 at /build/buildd/linux-3.13.0/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: Insyde; Ver: F.24; Product Version: 0882100000305E00000610100
  [    0.000000] Modules linked in:
  [    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.13.0-32-generic #57-Ubuntu
  [    0.000000] Hardware name: Hewlett-Packard HP Pavilion 14 Notebook PC/2165, BIOS F.24 02/13/2014
  [    0.000000]  000000000000000b ffffffff81c01de8 ffffffff8171bcb4 ffffffff81c01e30
  [    0.000000]  ffffffff81c01e20 ffffffff810676cd ffffffff81fde008 ffffffff81fde048
  [    0.000000]  0000000000000000 ffffffff81de12c0 ffffffff81c01fb0 ffffffff81c01e80
  [    0.000000] Call Trace:
  [    0.000000]  [<ffffffff8171bcb4>] dump_stack+0x45/0x56
  [    0.000000]  [<ffffffff810676cd>] warn_slowpath_common+0x7d/0xa0
  [    0.000000]  [<ffffffff81067784>] warn_slowpath_fmt_taint+0x44/0x50
  [    0.000000]  [<ffffffff81d502c4>] ? early_ioremap+0x13/0x15
  [    0.000000]  [<ffffffff81d45ee6>] ? __acpi_map_table+0x13/0x18
  [    0.000000]  [<ffffffff815f2bae>] warn_invalid_dmar+0x7e/0x90
  [    0.000000]  [<ffffffff81d8ab6e>] check_zero_address+0x68/0xf4
  [    0.000000]  [<ffffffff81d8ac0f>] detect_intel_iommu+0x15/0xae
  [    0.000000]  [<ffffffff81d3ffb5>] pci_iommu_alloc+0x4a/0x6c
  [    0.000000]  [<ffffffff81d4fc61>] mem_init+0x17/0x9c
  [    0.000000]  [<ffffffff81d35d3a>] start_kernel+0x202/0x443
  [    0.000000]  [<ffffffff81d35941>] ? repair_env_string+0x5c/0x5c
  [    0.000000]  [<ffffffff81d35120>] ? early_idt_handlers+0x120/0x120
  [    0.000000]  [<ffffffff81d355ee>] x86_64_start_reservations+0x2a/0x2c
  [    0.000000]  [<ffffffff81d35733>] x86_64_start_kernel+0x143/0x152
  [    0.000000] ---[ end trace 488581fbeae80768 ]---

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