Public bug reported:
[ 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 ]---
** Affects: linux
Importance: Unknown
Status: Unknown
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "dmesg_3.13.0-32-generic.log"
https://bugs.launchpad.net/bugs/1348858/+attachment/4163148/+files/dmesg_3.13.0-32-generic.log
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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()
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