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

[Cristian Aravena Romero]

[ 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 ]---

[Cristian Aravena Romero (caravena)]

Ubuntu Trusty 14.04.1

[penalvch (penalvch)]

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.

[Cristian Aravena Romero (caravena)]

Please close report. Update BIOS and not "Call Trace".

[penalvch (penalvch)]

Cristian Aravena Romero, this bug report is being closed due to your last comment https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1348858/comments/5 regarding this is fixed by an updated BIOS. For future reference you can manage the status of your own bugs by clicking on the current status in the yellow line and then choosing a new status in the revealed drop down box. You can learn more about bug statuses at https://wiki.ubuntu.com/Bugs/Status. Thank you again for taking the time to report this bug and helping to make Ubuntu better. Please submit any future bugs you may find.