ACPI Warning: 0x0000000000000b00-0x0000000000000b07 SystemIO conflicts with Region \_SB_.PCI0.SBRG.ASOC.SMRG 1 (20131115/utaddress-251)

[Jonathan Brier]

Current dmesg warnings - no errors in dmesg - see [ 18.338895]

Warnings also appears in the latest mainline kernel of 3.14.0-031400 generic

dmesg -l warn shown below
0.000000] ACPI: RSDP 00000000000fbed0 000024 (v02 ACPIAM)
[ 0.000000] ACPI: XSDT 000000009fe90100 00005C (v01 091412 XSDT1501 20120914 MSFT 00000097)
[ 0.000000] ACPI: FACP 000000009fe90290 0000F4 (v03 091412 FACP1501 20120914 MSFT 00000097)
[ 0.000000] ACPI: DSDT 000000009fe90460 00E5F0 (v01 A1595 A1595000 00000000 INTL 20060113)
[ 0.000000] ACPI: FACS 000000009fea8000 000040
[ 0.000000] ACPI: APIC 000000009fe90390 000088 (v01 091412 APIC1501 20120914 MSFT 00000097)
[ 0.000000] ACPI: MCFG 000000009fe90420 00003C (v01 091412 OEMMCFG 20120914 MSFT 00000097)
[ 0.000000] ACPI: OEMB 000000009fea8040 000072 (v01 091412 OEMB1501 20120914 MSFT 00000097)
[ 0.000000] ACPI: SRAT 000000009fe9f8b0 000108 (v01 AMD FAM_F_10 00000002 AMD 00000001)
[ 0.000000] ACPI: HPET 000000009fe9f9c0 000038 (v01 091412 OEMHPET 20120914 MSFT 00000097)
[ 0.000000] ACPI: SSDT 000000009fe9fa00 000DA4 (v01 A M I POWERNOW 00000001 AMD 00000001)
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]
[ 0.000000] Normal [mem 0x100000000-0x45fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009dfff]
[ 0.000000] node 0: [mem 0x00100000-0x9fe8ffff]
[ 0.000000] node 0: [mem 0x100000000-0x45fffffff]
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 4128285
[ 0.000000] Policy zone: Normal
[ 0.000000] Memory: 16206768K/16775348K available (7325K kernel code, 1138K rwdata, 3384K rodata, 1336K init, 1440K bss, 568580K reserved)
[ 0.010249] ACPI: All ACPI Tables successfully acquired
[ 0.335385] mtrr: your CPUs had inconsistent variable MTRR settings
[ 0.338258] ACPI: Executed 3 blocks of module-level executable AML code
[ 0.648321] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20131115/hwxface-580)
[ 2.505743] pci 0000:00:12.2: EHCI: BIOS handoff failed (BIOS bug?) 01010001
[ 4.610272] pci 0000:00:16.2: EHCI: BIOS handoff failed (BIOS bug?) 01010001
[ 4.953285] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 5.502964] ata7.00: limited to UDMA/33 due to 40-wire cable
[ 5.502965] ata7.01: limited to UDMA/33 due to 40-wire cable
[ 5.826683] sr0: scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray
[ 18.287741] hda-intel 0000:00:14.2: Using LPIB position fix
[ 18.300590] hda-intel 0000:00:14.2: Enable sync_write for stable communication
[ 18.317359] autoconfig: line_outs=4 (0x24/0x25/0x26/0x27/0x0) type:line
[ 18.317362] speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 18.317364] hp_outs=1 (0x28/0x0/0x0/0x0/0x0)
[ 18.317365] mono: mono_out=0x0
[ 18.317366] dig-out=0x2d/0x2e
[ 18.317367] inputs:
[ 18.317368] Front Mic=0x29
[ 18.317370] Rear Mic=0x2b
[ 18.317371] Line=0x2a
[ 18.338895] ACPI Warning: 0x0000000000000b00-0x0000000000000b07 SystemIO conflicts with Region \_SB_.PCI0.SBRG.ASOC.SMRG 1 (20131115/utaddress-251)
[ 18.340408] hda-intel 0000:0c:00.1: Using LPIB position fix
[ 18.342760] hda-intel 0000:0c:00.1: Enable sync_write for stable communication
[ 18.346421] hda-intel 0000:05:00.1: Using LPIB position fix
[ 18.348790] hda-intel 0000:05:00.1: Enable sync_write for stable communication
[ 18.741953] init: failsafe main process (955) killed by TERM signal
[ 18.790867] init: avahi-cups-reload main process (1048) terminated with status 1
[ 18.848501] init: samba-ad-dc main process (1064) terminated with status 1
[ 34.480629] init: plymouth-stop pre-start process (2756) terminated with status 1

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-20-generic 3.13.0-20.42
ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
Uname: Linux 3.13.0-20-generic x86_64
ApportVersion: 2.14-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC3: jonathan 3208 F.... pulseaudio
 /dev/snd/controlC2: jonathan 3208 F.... pulseaudio
 /dev/snd/controlC1: jonathan 3208 F.... pulseaudio
 /dev/snd/controlC0: jonathan 3208 F.... pulseaudio
CurrentDesktop: Unity
CurrentDmesg:
 [ 22.511370] vgaarb: device changed decodes: PCI:0000:05:00.0,olddecodes=io+mem,decodes=none:owns=none
 [ 22.511375] vgaarb: device changed decodes: PCI:0000:0c:00.0,olddecodes=io+mem,decodes=none:owns=none
 [ 34.480629] init: plymouth-stop pre-start process (2756) terminated with status 1
Date: Tue Apr 1 18:24:23 2014
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=5aba1ebe-fee7-4527-b2a4-ac022892d6fd
InstallationDate: Installed on 2012-11-29 (488 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
IwConfig:
 eth0 no wireless extensions.

 lo no wireless extensions.
MachineType: System manufacturer System Product Name
ProcFB:
 0 radeondrmfb
 1 radeondrmfb
 2 radeondrmfb
 3 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-20-generic root=UUID=c4ec6b3f-ea2f-479a-9ad4-f1eab2c84e9c ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-20-generic N/A
 linux-backports-modules-3.13.0-20-generic N/A
 linux-firmware 1.127
RfKill:

SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-03-28 (3 days ago)
dmi.bios.date: 09/14/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: Crosshair IV Formula
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2101:bd09/14/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnCrosshairIVFormula:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug.

Please follow the instructions on the wiki page[0]. The first step is to email the appropriate mailing list. If no response is received, then a bug may be opened on bugzilla.kernel.org.

Once this bug is reported upstream, please add the tag: 'kernel-bug-reported-upstream'.

[0] https://wiki.ubuntu.com/Bugs/Upstream/kernel