Bug #911236 “DMAR:[fault reason 05] PTE Write access is not set” : Bugs : linux package : Ubuntu

Revision history for this message

Jamie Strandboge (jdstrand) wrote on 2012-01-03:

#1

AcpiTables.txt Edit (312.7 KiB, text/plain; charset="utf-8")
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Dependencies.txt Edit (1.9 KiB, text/plain; charset="utf-8")
IwConfig.txt Edit (543 bytes, text/plain; charset="utf-8")
Lspci.txt Edit (12.0 KiB, text/plain; charset="utf-8")
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Brad Figg (brad-figg) on 2012-01-03

Changed in linux (Ubuntu):
status:	New → Confirmed

Joseph Salisbury (jsalisbury) on 2012-01-04

Changed in linux (Ubuntu):
importance:	Undecided → Medium

Revision history for this message

Joseph Salisbury (jsalisbury) wrote on 2012-01-04:

#2

Hi Jamie,

Could you boot into the 3.2.0-4.10 kernel and see if the issue still exists? That previous kernel is available at:
https://launchpad.net/ubuntu/+source/linux/3.2.0-4.10/+build/2999295

Thanks

tags:	added: kernel-da-hotlist
tags:	added: kernel-da-key removed: kernel-da-hotlist

Revision history for this message

Leann Ogasawara (leannogasawara) wrote on 2012-01-04:

#3

Hi Jamie,

Can you also try booting with 'intel_iommu=igfx_off' instead and let us know your results. This will disable IOMMU for the graphics controller. I've also cut and pasted your device info below just to help with debugging:

00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:215a]
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
Interrupt: pin A routed to IRQ 45
Region 0: Memory at f2000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 1800 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915

Changed in linux (Ubuntu):
importance:	Medium → Undecided
status:	Confirmed → Incomplete

Revision history for this message

Jamie Strandboge (jdstrand) wrote on 2012-01-04:

#4

@Joseph: I tried 3.2.0-4.10 but still had the errors:
Ubuntu 3.2.0-4.10-generic 3.2.0-rc5
[ 88.263384] DRHD: handling fault status reg 2
[ 88.263396] DMAR:[DMA Write] Request device [00:02.0] fault addr 7ff1c7000
[ 88.263399] DMAR:[fault reason 05] PTE Write access is not set

@Leann: I tried intel_iommu=igfx_off on both the rc5 and the current rc7 kernel and did not have the errors:
Ubuntu 3.2.0-4.10-generic 3.2.0-rc5
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-4-generic root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash intel_iommu=igfx_off vt.handoff=7
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-4-generic root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash intel_iommu=igfx_off vt.handoff=7

Ubuntu 3.2.0-7.13-generic 3.2.0-rc7
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-7-generic root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash intel_iommu=igfx_off vt.handoff=7
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-7-generic root=UUID=88689ad2-74b5-442c-9290-8ae60b63e16b ro quiet splash intel_iommu=igfx_off vt.handoff=7

I will now use 'intel_iommu=igfx_off' as the workaround.

Changed in linux (Ubuntu):
status:	Incomplete → Confirmed

Joseph Salisbury (jsalisbury) on 2012-01-05

Changed in linux (Ubuntu):
importance:	Undecided → Medium

Joseph Salisbury (jsalisbury) on 2012-01-05

tags:

added: kernel-key

Revision history for this message

Jamie Strandboge (jdstrand) wrote on 2012-01-05:

#5

I might point out the while the system works great with the workaround, it is basically unusable without it, so anyone suffering from this bug will have a hard time with 12.04 until it is fixed/worked around in our kernel.

Revision history for this message

In freedesktop.org Bugzilla #44510, Leann Ogasawara (leannogasawara) wrote on 2012-01-05:

#7

Hi,

I'm forwarding this bug on behalf of an Ubuntu bug reporter Jamie Strandboge:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911236

On a Lenovo X201s running an Ubuntu 3.2.0-7.13-generic kernel which was rebased on upstream v3.2-rc7 Jamie's witnessing repeated fault messages in dmesg and experiencing system 'pauses' every few seconds. The repeated dmesg output is as follows:

[ 56.996322] DRHD: handling fault status reg 2
[ 56.996330] DMAR:[DMA Write] Request device [00:02.0] fault addr 7bf1c7000
[ 56.996332] DMAR:[fault reason 05] PTE Write access is not set

00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])

Jamie can confirm that booting with 'intel_iommu=igfx_off' resolves the issue and he no longer sees the repeated messages nor experiences the system pausing.

His full lspci output can be seen at:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911236/+attachment/2655442/+files/Lspci.txt

And dmesg output at:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911236/+attachment/2655434/+files/BootDmesg.txt

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911236/+attachment/2655439/+files/CurrentDmesg.txt

Please let us know if you need any additional information. Thanks in advance.

Revision history for this message

Leann Ogasawara (leannogasawara) wrote on 2012-01-05:

#6

Hi Jamie,

I've opened a bug on your behalf at freedesktop.org as well. Could you please subscribe to that bug as well. Thanks.

https://bugs.freedesktop.org/show_bug.cgi?id=44510

Changed in linux (Ubuntu):
status:	Confirmed → Triaged

Revision history for this message

In freedesktop.org Bugzilla #44510, Roland Dreier (roland.dreier) wrote on 2012-01-05:

#8

Download full text (3.7 KiB)

I have the same issue with a Lenovo T410s (updated to latest BIOS); I see I have the 8086:0044 device that triggers quirk_calpella_no_shadow_gtt() in intel-iommu.c, but the PCI header is such that I hit the second clause in:

static void __devinit quirk_calpella_no_shadow_gtt(struct pci_dev *dev)
{
unsigned short ggc;

if (pci_read_config_word(dev, GGC, &ggc))
return;

        if (!(ggc & GGC_MEMORY_VT_ENABLED)) {
                printk(KERN_INFO "DMAR: BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n");
                dmar_map_gfx = 0;
        } else if (dmar_map_gfx) {
                /* we have to ensure the gfx device is idle before we flush */
                printk(KERN_INFO "DMAR: Disabling batched IOTLB flush on Ironlake\n");
                intel_iommu_strict = 1;
       }
}

so I see:

[ 0.802361] DMAR: Disabling batched IOTLB flush on Ironlake

in my kernel log, but then I get a stream of

[ 98.467011] DRHD: handling fault status reg 2
[ 98.467014] DMAR:[DMA Write] Request device [00:02.0] fault addr 400020000
[ 98.467038] DMAR:[fault reason 05] PTE Write access is not set

"intel_iommu=igfx_off" resolves this for me as well.

Full lspci:

00:00.0 Host bridge [0600]: Intel Corporation Core Processor DRAM Controller [8086:0044] (rev 02)
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02)
00:16.0 Communication controller [0780]: Intel Corporation 5 Series/3400 Series Chipset HECI Controller [8086:3b64] (rev 06)
00:16.3 Serial controller [0700]: Intel Corporation 5 Series/3400 Series Chipset KT Controller [8086:3b67] (rev 06)
00:19.0 Ethernet controller [0200]: Intel Corporation 82577LM Gigabit Network Connection [8086:10ea] (rev 06)
00:1a.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b3c] (rev 06)
00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio [8086:3b57] (rev 06)
00:1c.0 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 [8086:3b42] (rev 06)
00:1c.1 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 [8086:3b44] (rev 06)
00:1c.3 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 [8086:3b48] (rev 06)
00:1d.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b34] (rev 06)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev a6)
00:1f.0 ISA bridge [0601]: Intel Corporation 5 Series/3400 Series Chipset LPC Interface Controller [8086:3b0f] (rev 06)
00:1f.2 SATA controller [0106]: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller [8086:3b2f] (rev 06)
00:1f.3 SMBus [0c05]: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller [8086:3b30] (rev 06)
00:1f.6 Signal processing controller [1180]: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem [8086:3b32] (rev 06)
03:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 1000 [8086:00...

I have the same issue with a Lenovo T410s (updated to latest BIOS); I see I have the 8086:0044 device that triggers quirk_calpella_no_shadow_gtt() in intel-iommu.c, but the PCI header is such that I hit the second clause in:

static void __devinit quirk_calpella_no_shadow_gtt(struct pci_dev *dev)
{
        unsigned short ggc;

if (pci_read_config_word(dev, GGC, &ggc))
                return;

if (!(ggc & GGC_MEMORY_VT_ENABLED)) {
                printk(KERN_INFO "DMAR: BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n");
                dmar_map_gfx = 0;
        } else if (dmar_map_gfx) {
                /* we have to ensure the gfx device is idle before we flush */
                printk(KERN_INFO "DMAR: Disabling batched IOTLB flush on Ironlake\n");
                intel_iommu_strict = 1;
       }
}

so I see:

[    0.802361] DMAR: Disabling batched IOTLB flush on Ironlake

in my kernel log, but then I get a stream of

[   98.467011] DRHD: handling fault status reg 2
[   98.467014] DMAR:[DMA Write] Request device [00:02.0] fault addr 400020000 
[   98.467038] DMAR:[fault reason 05] PTE Write access is not set

"intel_iommu=igfx_off" resolves this for me as well.

Full lspci:

00:00.0 Host bridge [0600]: Intel Corporation Core Processor DRAM Controller [8086:0044] (rev 02)
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02)
00:16.0 Communication controller [0780]: Intel Corporation 5 Series/3400 Series Chipset HECI Controller [8086:3b64] (rev 06)
00:16.3 Serial controller [0700]: Intel Corporation 5 Series/3400 Series Chipset KT Controller [8086:3b67] (rev 06)
00:19.0 Ethernet controller [0200]: Intel Corporation 82577LM Gigabit Network Connection [8086:10ea] (rev 06)
00:1a.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b3c] (rev 06)
00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio [8086:3b57] (rev 06)
00:1c.0 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 [8086:3b42] (rev 06)
00:1c.1 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 [8086:3b44] (rev 06)
00:1c.3 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 [8086:3b48] (rev 06)
00:1d.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b34] (rev 06)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev a6)
00:1f.0 ISA bridge [0601]: Intel Corporation 5 Series/3400 Series Chipset LPC Interface Controller [8086:3b0f] (rev 06)
00:1f.2 SATA controller [0106]: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller [8086:3b2f] (rev 06)
00:1f.3 SMBus [0c05]: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller [8086:3b30] (rev 06)
00:1f.6 Signal processing controller [1180]: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem [8086:3b32] (rev 06)
03:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 1000 [8086:0084]
ff:00.0 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers [8086:2c62] (rev 02)
ff:00.1 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture System Address Decoder [8086:2d01] (rev 02)
ff:02.0 Host bridge [0600]: Intel Corporation Core Processor QPI Link 0 [8086:2d10] (rev 02)
ff:02.1 Host bridge [0600]: Intel Corporation Core Processor QPI Physical 0 [8086:2d11] (rev 02)
ff:02.2 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d12] (rev 02)
ff:02.3 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d13] (rev 02)

Bug Watch Updater (bug-watch-updater) on 2012-01-05

Changed in linux:
importance:	Unknown → Medium
status:	Unknown → Confirmed

Leann Ogasawara (leannogasawara) on 2012-01-06

tags:

added: rls-p-tracking

Revision history for this message

Leann Ogasawara (leannogasawara) wrote on 2012-01-18:

#9

Hi Jamie,

I've built a test kernel which disables CONFIG_INTEL_IOMMU_DEFAULT_ON. Could you please test and and let me know if this resolves the system hangs/pauses and multiple fault messages you're seeing? Thanks in advance.

http://people.canonical.com/~ogasawara/lp911236/amd64/

Changed in linux (Ubuntu):
assignee:	nobody → Leann Ogasawara (leannogasawara)
status:	Triaged → In Progress

Revision history for this message

Jamie Strandboge (jdstrand) wrote on 2012-01-18:

#10

Leann,

I tried the new 3.2.0-9.16 and it still had the problem. I then installed your 3.2.0-9.17~lp911236v1 and it works great. Thanks!

Revision history for this message

Leann Ogasawara (leannogasawara) wrote on 2012-01-19:

#11

Thanks for testing Jamie, much appreciated. I've gone ahead and applied this patch to the repo. I plan to upload shortly. Thanks.

Changed in linux (Ubuntu):
status:	In Progress → Fix Committed

Revision history for this message

Launchpad Janitor (janitor) wrote on 2012-01-19:

#12

This bug was fixed in the package linux - 3.2.0-10.17

---------------
linux (3.2.0-10.17) precise; urgency=low

[ Andy Whitcroft ]

  * Revert "SAUCE: overlayfs -- fs: limit filesystem stacking depth"
  * Revert "SAUCE: overlayfs -- overlay: overlay filesystem documentation"
  * Revert "SAUCE: overlayfs -- overlayfs: implement show_options"
  * Revert "SAUCE: overlayfs -- overlayfs: add statfs support"
  * Revert "SAUCE: overlayfs -- overlay filesystem"
  * Revert "SAUCE: overlayfs -- vfs: introduce clone_private_mount()"
  * Revert "SAUCE: overlayfs -- vfs: export do_splice_direct() to modules"
  * Revert "SAUCE: overlayfs -- vfs: add i_op->open()"
  * ensure debian/ is not excluded from git by default
  * add new scripting to handle buglinks in rebases
  * ubuntu: overlayfs -- overlayfs: add statfs support
  * ubuntu: overlayfs -- overlayfs: apply device cgroup and security
    permissions to overlay files
    - LP: #915941, #918212
    - CVE-2012-0055

[ Erez Zadok ]

* ubuntu: overlayfs -- overlayfs: implement show_options

[ Leann Ogasawara ]

  * Revert "SAUCE: dmar: disable if ricoh multifunction detected"
  * [Config] Disable CONFIG_INTEL_IOMMU_DEFAULT_ON
    - LP: #907377, #911236
  * [Config] Enable CONFIG_IRQ_REMAP

[ Miklos Szeredi ]

  * ubuntu: overlayfs -- vfs: pass struct path to __dentry_open()
  * ubuntu: overlayfs -- vfs: add i_op->open()
  * ubuntu: overlayfs -- vfs: export do_splice_direct() to modules
  * ubuntu: overlayfs -- vfs: introduce clone_private_mount()
  * ubuntu: overlayfs -- overlay filesystem
  * ubuntu: overlayfs -- fs: limit filesystem stacking depth

[ Neil Brown ]

* ubuntu: overlayfs -- overlay: overlay filesystem documentation

[ Upstream Kernel Changes ]

  * (pre-stable) x86/PCI: amd: factor out MMCONFIG discovery
    - LP: #647043
  * (pre-stable) PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that
    breaks USB
    - LP: #647043
-- Leann Ogasawara <email address hidden> Mon, 16 Jan 2012 07:10:08 -0800

This bug was fixed in the package linux - 3.2.0-10.17

---------------
linux (3.2.0-10.17) precise; urgency=low

[ Andy Whitcroft ]

* Revert "SAUCE: overlayfs -- fs: limit filesystem stacking depth"
  * Revert "SAUCE: overlayfs -- overlay: overlay filesystem documentation"
  * Revert "SAUCE: overlayfs -- overlayfs: implement show_options"
  * Revert "SAUCE: overlayfs -- overlayfs: add statfs support"
  * Revert "SAUCE: overlayfs -- overlay filesystem"
  * Revert "SAUCE: overlayfs -- vfs: introduce clone_private_mount()"
  * Revert "SAUCE: overlayfs -- vfs: export do_splice_direct() to modules"
  * Revert "SAUCE: overlayfs -- vfs: add i_op->open()"
  * ensure debian/ is not excluded from git by default
  * add new scripting to handle buglinks in rebases
  * ubuntu: overlayfs -- overlayfs: add statfs support
  * ubuntu: overlayfs -- overlayfs: apply device cgroup and security
    permissions to overlay files
    - LP: #915941, #918212
    - CVE-2012-0055

[ Erez Zadok ]

* ubuntu: overlayfs -- overlayfs: implement show_options

[ Leann Ogasawara ]

* Revert "SAUCE: dmar: disable if ricoh multifunction detected"
  * [Config] Disable CONFIG_INTEL_IOMMU_DEFAULT_ON
    - LP: #907377, #911236
  * [Config] Enable CONFIG_IRQ_REMAP

[ Miklos Szeredi ]

* ubuntu: overlayfs -- vfs: pass struct path to __dentry_open()
  * ubuntu: overlayfs -- vfs: add i_op->open()
  * ubuntu: overlayfs -- vfs: export do_splice_direct() to modules
  * ubuntu: overlayfs -- vfs: introduce clone_private_mount()
  * ubuntu: overlayfs -- overlay filesystem
  * ubuntu: overlayfs -- fs: limit filesystem stacking depth

[ Neil Brown ]

* ubuntu: overlayfs -- overlay: overlay filesystem documentation

[ Upstream Kernel Changes ]

* (pre-stable) x86/PCI: amd: factor out MMCONFIG discovery
    - LP: #647043
  * (pre-stable) PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that
    breaks USB
    - LP: #647043
 -- Leann Ogasawara <leann.ogasawara@canonical.com>   Mon, 16 Jan 2012 07:10:08 -0800

Changed in linux (Ubuntu):
status:	Fix Committed → Fix Released

Bug Watch Updater (bug-watch-updater) on 2012-01-22

Changed in linux:
importance:	Medium → Critical

Revision history for this message

In freedesktop.org Bugzilla #44510, Chris Wilson (ickle) wrote on 2012-03-02:

#13

In linus/master:

commit 5c0422878fcdc279ae9a8e8b66972a15b5efb67f
Author: Ben Widawsky <email address hidden>
Date: Mon Oct 17 15:51:55 2011 -0700

drm/i915: ILK + VT-d workaround

Idle the GPU before doing any unmaps. We know if VT-d is in use through
an exported variable from iommu code.

This should avoid a known HW issue.

    Signed-off-by: Ben Widawsky <email address hidden>
    Reviewed-by: Daniel Vetter <email address hidden>
    Signed-off-by: Keith Packard <email address hidden>

This does introduce a synchronous flush of the iommu tlb everytime a buffer is released which can cause stalls of ~1s every few seconds... But it does prevent the eventual machine hang. However, I would advise you to continue to use intel_iommu=igfx_off unless you truly do require virtualised graphics.

Bug Watch Updater (bug-watch-updater) on 2012-03-12

Changed in linux:
status:	Confirmed → Fix Released

Ubuntu
linux package

DMAR:[fault reason 05] PTE Write access is not set

Bug Description

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Affects		Status	Importance	Assigned to	Milestone
	Linux	Fix Released	Critical	freedesktop-bugs #44510
	linux (Ubuntu)	Fix Released	Medium	Leann Ogasawara

Ubuntulinux package

DMAR:[fault reason 05] PTE Write access is not set

Bug Description

Related branches

CVE References

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Other bug subscribers

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Ubuntu
linux package