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------------------------------------------------------------------------
On 2010-06-19T06:07:18+00:00 Philip wrote:

Description of problem:
/var/log/messages fills all disk space with error messages from DMAR.
HW is Lenovo T410 with Intel CORE i5 cpu.

How reproducible:
100% failure when feature activated in BIOS before booting Fedora.
No failure when feature deactivated in BIOS before booting Fedora.

Steps to Reproduce:
1. Power off system
2. Power on system and enter BIOS setup
3. From CPU option, enable VT-d feature
4. Save BIOS settings & boot system
  
Actual results:
Error messages flood /var/log/messages (1+ set of messages follows):
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reason 02] Pce [0d:00.0] fault 
addr fce [0d:00.0] fault addr fffDMAR:[fault reace [0d:00.0] fault addr ce 
[0d:00.0] fault addr fffffDMAR:[fault reasce [0d:00.0] fault addr fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reason 02] Prce [0d:00.0] fault 
addr fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reasonce [0d:00.0] fault addr 
DMAR:[fault reasce [0d:00.0] fault addr fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reason 02]ce [0d:00.0] fault addr 
fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reason 02] Present bice [0d:00.0] 
fault adce [0d:00.0] fault addr fffff000 DMAR:[fault reasce [0d:00.0] fault 
addr fffff000DMAR:[fault rece [0d:00.0] fault addr fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reason 02] Present bit in contexce 
[0d:00.0] fault addr fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMARce [0d:00.0] fault addr fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reason 0ce [0d:00.0] fault addr 
fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reason 02] Prce [0d:00.0] fault 
addr fffff000 
Jun 19 00:38:11 PLS-T410 kernel: DMAR:[fault reasonce [0d:00.0] fault addr 
fffff000 

Expected results:
No error messages from DMAR

Additional info:
from messages file:
Linux version 2.6.33.3-85.fc13.x86_64 (mockbu...@x86-02.phx2.fedoraproject.org) 
(gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Thu May 6 18:09:49 
UTC 2010

kernel: CPU0: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz stepping 02
kernel: Booting Node   0, Processors  #1
kernel: CPU 1 MCA banks SHD:2 SHD:3 SHD:5 SHD:6
kernel: #2
kernel: CPU 2 MCA banks CMCI:2 CMCI:3 CMCI:5 SHD:6
kernel: #3 Ok.
kernel: CPU 3 MCA banks SHD:2 SHD:3 SHD:5 SHD:6
kernel: Brought up 4 CPUs
kernel: Total of 4 processors activated (19150.66 BogoMIPS).


Temporary resolution:
1. Start system from power off state and enter BIOS setup
2. Deactivate VT-d feature
3. Save configuration and reboot.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/0

------------------------------------------------------------------------
On 2010-06-21T05:42:35+00:00 Chuck wrote:

(In reply to comment #1)
> Linux version 2.6.33.3-85.fc13.x86_64 
> (mockbu...@x86-02.phx2.fedoraproject.org)
> (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Thu May 6 
> 18:09:49
> UTC 2010
> 

There have been three kernel updates since that version. Did you try any
of them before reporting this problem?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/1

------------------------------------------------------------------------
On 2010-06-27T17:04:46+00:00 Dan wrote:

I have the same problem here on 2.6.33.5-124.fc13.i686.PAE.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/2

------------------------------------------------------------------------
On 2010-06-28T18:01:30+00:00 Robert wrote:

Having the same problem on a ThinkPad T410 with
kernel-2.6.33.5-124.fc13.x86_64 (latest bios 1.25)

This is the PCI device in question

# lspci -vvnn -s 0d:00.0
0d:00.0 SD Host controller [0805]: Ricoh Co Ltd Device [1180:e822] (rev 01)
        Subsystem: Lenovo Device [17aa:2133]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR+ FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at f2500000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [78] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=2 PME-
        Capabilities: [80] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s 
unlimited, L1 unlimited
                        ExtTag- AttnBtn+ AttnInd+ PwrInd+ RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- 
Unsupported-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- 
TransPend-
                LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency 
L0 <4us, L1 <64us
                        ClockPM+ Surprise- LLActRep- BwNot-
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- 
CommClk+
                        ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [100 v1] Virtual Channel
                Caps:   LPEVC=0 RefClk=100ns PATEntrySize=0
                Arb:    Fixed- WRR32- WRR64- WRR128- 100ns- - - onfig- 
TableOffset=0
                Ctrl:   ArbSelect=Fixed
                Status: InProgress-
                VC0:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
                        Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- 
Fixed- RR32-
                        Ctrl:   Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
                        Status: NegoPending- InProgress-
        Capabilities: [800 v1] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
                AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
        Kernel driver in use: sdhci-pci
        Kernel modules: sdhci-pci

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/3

------------------------------------------------------------------------
On 2010-06-29T07:51:50+00:00 David wrote:

I'm working on a quirk to handle this buggy device.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/4

------------------------------------------------------------------------
On 2010-08-01T18:55:37+00:00 Chuck wrote:

*** Bug 587178 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/5

------------------------------------------------------------------------
On 2010-08-01T18:59:17+00:00 Chuck wrote:

This happens on at least two different kinds of Ricoh multifunction
devices. In one case device 00.0 is a cardbus bridge and in the other
case it's shown as an SD controller:

0d:00.0 SD Host controller [0805]: Ricoh Co Ltd Device [1180:e822] (rev 01)
0d:00.1 System peripheral [0880]: Ricoh Co Ltd Device [1180:e230] (rev 01)
0d:00.3 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd Device [1180:e832] (rev 01)   
 

04:00.0 CardBus bridge [0607]: Ricoh Co Ltd Device [1180:e476] (rev 02)
04:00.4 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd Device [1180:e832] (rev 03)
(prog-if 10)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/6

------------------------------------------------------------------------
On 2010-08-03T12:32:46+00:00 James wrote:

Just in case anybody else is in a hurry and needs a workaround, here's a
patch (against 2.6.35-rc5) that kludges all the DMAR mappings to point
to the first device. Tested with Cardbus (a USB controller) and
Firewire, but don't be surprised if it glues your cat to the carpet or
something.

--- a/drivers/pci/intel-iommu.c 2010-07-13 07:55:33.000000000 +1000
+++ b/drivers/pci/intel-iommu.c 2010-08-03 22:19:09.000000000 +1000
@@ -2560,10 +2560,12 @@
        return 0;
 }
 
+struct pci_dev *ricohdev = 0;
+
 static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
                                     size_t size, int dir, u64 dma_mask)
 {
-       struct pci_dev *pdev = to_pci_dev(hwdev);
+       struct pci_dev *tmp, *pdev = to_pci_dev(hwdev);
        struct dmar_domain *domain;
        phys_addr_t start_paddr;
        struct iova *iova;
@@ -2574,6 +2576,17 @@
 
        BUG_ON(dir == DMA_NONE);
 
+    tmp = (pdev->vendor==0x1180) ? pdev : pdev->bus->self;
+    if (tmp && tmp->vendor==0x1180 &&
+            (tmp->device==0xe822 ||
+             tmp->device==0xe230 ||
+             tmp->device==0xe832 ||
+             tmp->device==0xe476)) {
+        if (!ricohdev)
+            ricohdev = pci_get_domain_bus_and_slot(0, tmp->bus->number, 
tmp->devfn & ~7);
+        pdev = ricohdev;
+    }
+
        if (iommu_no_mapping(hwdev))
                return paddr;
 
@@ -2716,7 +2729,7 @@
                             size_t size, enum dma_data_direction dir,
                             struct dma_attrs *attrs)
 {
-       struct pci_dev *pdev = to_pci_dev(dev);
+       struct pci_dev *tmp, *pdev = to_pci_dev(dev);
        struct dmar_domain *domain;
        unsigned long start_pfn, last_pfn;
        struct iova *iova;
@@ -2724,6 +2737,15 @@
 
        if (iommu_no_mapping(dev))
                return;
+    
+    tmp = (pdev->vendor==0x1180) ? pdev : pdev->bus->self;
+    if (tmp && tmp->vendor==0x1180 &&
+            (tmp->device==0xe822 ||
+             tmp->device==0xe230 ||
+             tmp->device==0xe832 ||
+             tmp->device==0xe476)) {
+        pdev = ricohdev;
+    }
 
        domain = find_domain(pdev);
        BUG_ON(!domain);

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/7

------------------------------------------------------------------------
On 2010-08-29T12:10:27+00:00 Matthew wrote:

ThinkPad T510 w/ i7 (common devel box) also has this device and issue.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/8

------------------------------------------------------------------------
On 2010-09-04T17:02:50+00:00 Ian wrote:

Just verified that this problem still exists on my T510 with
2.6.34.6-47.fc13.x86_64.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/9

------------------------------------------------------------------------
On 2010-09-07T10:33:59+00:00 Tyler wrote:

This issue occurs on my T410 with Core i5 540m.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/10

------------------------------------------------------------------------
On 2010-09-07T15:15:29+00:00 Jared wrote:

Also a problem on my ThinkPad T510 with i7 processor.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/11

------------------------------------------------------------------------
On 2010-09-07T15:27:27+00:00 Chuck wrote:

This is a hardware bug, and there's not really any good way to work
around it.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/12

------------------------------------------------------------------------
On 2010-09-07T15:48:13+00:00 Kyle wrote:

The 'workaround' for now is to disable DMAR by either disabling VT-d in
your BIOS, or by booting with intel_iommu=off.

Thanks, Kyle

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/13

------------------------------------------------------------------------
On 2010-09-07T16:13:09+00:00 Richard wrote:

After disabling Firewire in the BIOS, the errors ceased.  I left the
memory card reader on, but don't have a card to test it at the moment.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/14

------------------------------------------------------------------------
On 2010-09-07T16:27:47+00:00 Ian wrote:

(In reply to comment #14)
> After disabling Firewire in the BIOS, the errors ceased.  I left the memory
> card reader on, but don't have a card to test it at the moment.

Where did you find the option to disable Firewire?  I just tried to do
this on my T510 (BIOS 1.27), and I can't find anywhere to turn it off.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/15

------------------------------------------------------------------------
On 2010-09-07T17:13:41+00:00 Richard wrote:

I am running BIOS 1.24 according to dmidecode, and it was located in the
Security Section under I/O Port Access.  I just checked that with my
older T61 and the setting seems to be in the same place.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/16

------------------------------------------------------------------------
On 2010-09-07T18:29:39+00:00 Ian wrote:

(In reply to comment #16)
> I am running BIOS 1.24 according to dmidecode, and it was located in the
> Security Section under I/O Port Access.  I just checked that with my older T61
> and the setting seems to be in the same place.

Because obviously, that should be under Security, not Config. :-(

On the bright side, I'm seeing the same thing.  Once IEEE1394 is
disabled, I can run with VT-d enabled without any error messages in the
log.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/17

------------------------------------------------------------------------
On 2010-09-15T13:01:03+00:00 Chuck wrote:

*** Bug 634135 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/18

------------------------------------------------------------------------
On 2010-09-15T13:29:42+00:00 James wrote:

This bug is severe enough to cause hard lockups under some conditions.
David, did you get anywhere on writing a quirk? My patch does what's needed, 
but feels like an ugly patch on a critical path...

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/19

------------------------------------------------------------------------
On 2010-09-16T20:30:54+00:00 Richard wrote:

Same issue here, 2.6.34.6-54.fc13.x86_64 on a brand
new Lenovo Thinkpad T510+.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/20

------------------------------------------------------------------------
On 2010-09-20T15:25:55+00:00 Chuck wrote:

*** Bug 635678 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/21

------------------------------------------------------------------------
On 2010-09-21T09:11:11+00:00 Parag wrote:

I also got this problem on T410, almost given a day to understand that
problem is in kernel after trying different installations (F13 and F14
live/DVD)

I used intel_iommu=off. Now it feels so good to see the real dmesg
output after starting my laptop, else it used to show full of those 3
debug lines repeatedly.

If this is not cloned for Fedora 14 then we should have new bug and
marked as F14Target.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/22

------------------------------------------------------------------------
On 2010-10-14T07:24:29+00:00 Stephen wrote:

We had this problem with a number of T510s in the office. As well as the
issue with flooding /var/log/messages it can also manifest during the
installation phase where disks are being fscked.

On investigation we have found, that on these machines at least, turning
off VT-d in the BIOS corrected the problem. The other virtualization
related options in the BIOS can however be left on with no apparent ill
effects.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/23

------------------------------------------------------------------------
On 2010-10-19T01:16:07+00:00 Fedora wrote:

kernel-2.6.35.6-45.fc14 has been submitted as an update for Fedora 14.
https://admin.fedoraproject.org/updates/kernel-2.6.35.6-45.fc14

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/24

------------------------------------------------------------------------
On 2010-10-19T06:31:27+00:00 Fedora wrote:

kernel-2.6.34.7-61.fc13 has been submitted as an update for Fedora 13.
https://admin.fedoraproject.org/updates/kernel-2.6.34.7-61.fc13

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/25

------------------------------------------------------------------------
On 2010-10-19T07:44:53+00:00 Robert wrote:

I installed kernel-2.6.34.7-61.fc13 on my T410, and enabled VT-d in the
BIOS. With this, I am no longer seeing the DMAR faults.

Will this fix also be pushed for RHEL6?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/26

------------------------------------------------------------------------
On 2010-10-19T09:11:25+00:00 Fedora wrote:

kernel-2.6.35.6-45.fc14 has been pushed to the Fedora 14 stable
repository.  If problems still persist, please make note of it in this
bug report.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/27

------------------------------------------------------------------------
On 2010-10-22T18:04:40+00:00 Fedora wrote:

kernel-2.6.34.7-61.fc13 has been pushed to the Fedora 13 stable
repository.  If problems still persist, please make note of it in this
bug report.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/28

------------------------------------------------------------------------
On 2011-04-27T05:32:42+00:00 Zhenyong wrote:

Will this fix also be pushed for RHEL6?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/29

------------------------------------------------------------------------
On 2011-06-01T20:23:25+00:00 Steven wrote:

Upgraded firmware on mellanox infiniband connectx hardware and got
following spam in system log.

[ 1680.962538] DRHD: handling fault status reg 302
[ 1680.967048] DMAR:[DMA Read] Request device [04:00.6] fault addr f647a000 
[ 1680.967049] DMAR:[fault reason 02] Present bit in context entry is clear

This also broke infiniband on f13/f14 machines.  I used the iommu
workaround described above, and infiniband now works.

RHEL6.0 doesn't exhibit this problem with the updated firmware:

Linux mrg-03.mpc.lab.eng.bos.redhat.com 2.6.32-131.0.15.el6.x86_64 #1
SMP Tue Mx

Is this a kernel.org regression?

lspci results:
[root@mrg-04 ~]# lspci
00:00.0 Host bridge: Intel Corporation 5520 I/O Hub to ESI Port (rev 13)
00:01.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Po)
00:03.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Po)
00:04.0 PCI bridge: Intel Corporation 5520/X58 I/O Hub PCI Express Root Port 4 )
00:05.0 PCI bridge: Intel Corporation 5520/X58 I/O Hub PCI Express Root Port 5 )
00:06.0 PCI bridge: Intel Corporation 5520/X58 I/O Hub PCI Express Root Port 6 )
00:07.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Po)
00:09.0 PCI bridge: Intel Corporation 5520/5500/X58 I/O Hub PCI Express Root Po)
00:14.0 PIC: Intel Corporation 5520/5500/X58 I/O Hub System Management Register)
00:14.1 PIC: Intel Corporation 5520/5500/X58 I/O Hub GPIO and Scratch Pad Regis)
00:14.2 PIC: Intel Corporation 5520/5500/X58 I/O Hub Control Status and RAS Reg)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Control)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Control)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Contro)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Control)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Control)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Contro)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IB (ICH9) LPC Interface Controller ()
00:1f.2 IDE interface: Intel Corporation 82801IB (ICH9) 2 port SATA IDE Control)
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit )
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit )
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit )
02:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit )
03:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 1078 (rev 0)
04:00.0 InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe 2.0 5GT/s )
08:03.0 VGA compatible controller: Matrox Graphics, Inc. MGA G200eW WPCM450 (re)
fe:00.0 Host bridge: Intel Corporation Xeon 5500/Core i7 QuickPath Architecture)
fe:00.1 Host bridge: Intel Corporation Xeon 5500/Core i7 QuickPath Architecture)
fe:02.0 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Link 0 (rev 05)
fe:02.1 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Physical 0 (rev 05)
fe:02.4 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Link 1 (rev 05)
fe:02.5 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Physical 1 (rev 05)
fe:03.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:03.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:03.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:03.4 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:04.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:04.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:04.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:04.3 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:05.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:05.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:05.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:05.3 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:06.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:06.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:06.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
fe:06.3 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:00.0 Host bridge: Intel Corporation Xeon 5500/Core i7 QuickPath Architecture)
ff:00.1 Host bridge: Intel Corporation Xeon 5500/Core i7 QuickPath Architecture)
ff:02.0 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Link 0 (rev 05)
ff:02.1 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Physical 0 (rev 05)
ff:02.4 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Link 1 (rev 05)
ff:02.5 Host bridge: Intel Corporation Xeon 5500/Core i7 QPI Physical 1 (rev 05)
ff:03.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:03.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:03.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:03.4 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:04.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:04.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:04.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:04.3 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:05.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:05.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:05.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:05.3 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:06.0 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:06.1 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:06.2 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
ff:06.3 Host bridge: Intel Corporation Xeon 5500/Core i7 Integrated Memory Cont)
[root@mrg-04 ~]#

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/30

------------------------------------------------------------------------
On 2011-06-02T10:17:35+00:00 Bug wrote:


This message is a reminder that Fedora 13 is nearing its end of life.
Approximately 30 (thirty) days from now Fedora will stop maintaining
and issuing updates for Fedora 13.  It is Fedora's policy to close all
bug reports from releases that are no longer maintained.  At that time
this bug will be closed as WONTFIX if it remains open with a Fedora 
'version' of '13'.

Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, simply change the 'version' 
to a later Fedora version prior to Fedora 13's end of life.

Bug Reporter: Thank you for reporting this issue and we are sorry that 
we may not be able to fix it before Fedora 13 is end of life.  If you 
would still like to see this bug fixed and are able to reproduce it 
against a later version of Fedora please change the 'version' of this 
bug to the applicable version.  If you are unable to change the version, 
please add a comment here and someone will do it for you.

Although we aim to fix as many bugs as possible during every release's 
lifetime, sometimes those efforts are overtaken by events.  Often a 
more recent Fedora release includes newer upstream software that fixes 
bugs or makes them obsolete.

The process we are following is described here: 
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Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/31

------------------------------------------------------------------------
On 2011-06-15T21:57:57+00:00 Chuck wrote:

(In reply to comment #30)
> Upgraded firmware on mellanox infiniband connectx hardware and got following
> spam in system log.
> 
> [ 1680.962538] DRHD: handling fault status reg 302
> [ 1680.967048] DMAR:[DMA Read] Request device [04:00.6] fault addr f647a000 
> [ 1680.967049] DMAR:[fault reason 02] Present bit in context entry is clear
> 

This has absolutely nothing to do with workarounds needed for buggy
Ricoh multifunction devices. Please open a new bug...

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/894070/comments/32


** Changed in: fedora
       Status: Unknown => Fix Released

** Changed in: fedora
   Importance: Unknown => Medium

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Title:
  IOMMU error loop early in boot

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