Comment 11 for bug 783587

From Kern.log attached in #7
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] WARNING: at /build/buildd/linux-3.0.0/drivers/pci/dmar.c:634 warn_invalid_dmar+0x8f/0xa0()
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] Hardware name: Aspire 1825PTZ
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] Your BIOS is broken; DMAR reported at address 0!
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] BIOS vendor: INSYDE; Ver: V1.3127; Product Version: V1.3127
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] Modules linked in:
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] Pid: 0, comm: swapper Not tainted 3.0.0-12-generic #20-Ubuntu
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] Call Trace:
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff8105e83f>] warn_slowpath_common+0x7f/0xc0
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff815f613f>] ? bad_to_user+0x7e9/0x7e9
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff8105e8df>] warn_slowpath_fmt_taint+0x3f/0x50
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81ae7584>] ? early_ioremap+0x13/0x15
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81add125>] ? __acpi_map_table+0x13/0x19
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81323d7f>] warn_invalid_dmar+0x8f/0xa0
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff8136b0f4>] ? acpi_tb_verify_table+0x54/0x58
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81affa90>] check_zero_address+0x57/0xff
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff815f613f>] ? bad_to_user+0x7e9/0x7e9
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81affb4e>] detect_intel_iommu+0x16/0xad
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81ad8a13>] pci_iommu_alloc+0x44/0x6f
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81ae6fd9>] mem_init+0x19/0xec
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81ad0a2c>] start_kernel+0x1d5/0x3df
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81ad0388>] x86_64_start_reservations+0x132/0x136
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81ad0140>] ? early_idt_handlers+0x140/0x140
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] [<ffffffff81ad0459>] x86_64_start_kernel+0xcd/0xdc
Nov 13 18:59:57 malti-Aspire-1825PTZ kernel: [ 0.000000] ---[ end trace a7919e7f17c0a725 ]---
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