[i915gm] False GPU lockup render.IPEHR: 0x3f800000

Jan D - I've forwarded this bug upstream to https://bugs.freedesktop.org/show_bug.cgi?id=48839 - please subscribe yourself to this bug, in case they need further information or wish you to test something. Thanks ahead of time!

@kernel team,

Upstream suggests this patch:

Incoherent batch buffer, sounds like another instance of:

commit 14667a4bde4361b7ac420d68a2e9e9b9b2df5231
Author: Chris Wilson <email address hidden>
Date: Tue Apr 3 17:58:35 2012 +0100

    drm/i915: Finish any pending operations on the framebuffer before disabling

    Similar to the case where we are changing from one framebuffer to
    another, we need to be sure that there are no pending WAIT_FOR_EVENTs on
    the pipe for the current framebuffer before switching. If we disable the
    pipe, and then try to execute a WAIT_FOR_EVENT it will block
    indefinitely and cause a GPU hang.

Which I guess could make this bug basically a dupe with #982251 if it solves the issue.

@kernel team,

Upstream suggests this patch:

Incoherent batch buffer, sounds like another instance of:

commit 14667a4bde4361b7ac420d68a2e9e9b9b2df5231
Author: Chris Wilson <email address hidden>
Date: Tue Apr 3 17:58:35 2012 +0100

    drm/i915: Finish any pending operations on the framebuffer before disabling

    Similar to the case where we are changing from one framebuffer to
    another, we need to be sure that there are no pending WAIT_FOR_EVENTs on
    the pipe for the current framebuffer before switching. If we disable the
    pipe, and then try to execute a WAIT_FOR_EVENT it will block
    indefinitely and cause a GPU hang.

Hi Jan,

I've built a test kernel with the patch Bryce noted from comment #4. Could you give it a test and let us know if it resolves the issue you are seeing? Thanks in advance.

http://people.canonical.com/~ogasawara/lp982415/i386/

Jan, we need your feedback, please test the kernel from this url to see if it fixes the bug:

http://people.canonical.com/~ogasawara/lp982415/i386/

Jan: ping? could you test this kernel:

http://people.canonical.com/~ogasawara/lp982415/i386/

Yes! Ping! Sorry... I'll be back home later today, I'll try it then.
On Jun 7, 2012 12:26 PM, "Timo Aaltonen" <email address hidden> wrote:

> Jan: ping? could you test this kernel:
>
> http://people.canonical.com/~ogasawara/lp982415/i386/
>
> ** Changed in: xserver-xorg-video-intel (Ubuntu)
> Assignee: (unassigned) => Timo Aaltonen (tjaalton)
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/982415
>
> Title:
> [i915gm] False GPU lockup render.IPEHR: 0x3f800000
>
> Status in X.org xf86-video-intel:
> Fix Released
> Status in “linux” package in Ubuntu:
> Incomplete
> Status in “xserver-xorg-video-intel” package in Ubuntu:
> In Progress
>
> Bug description:
> This bug happened right after a reboot after an update
>
> ProblemType: Crash
> DistroRelease: Ubuntu 12.04
> Package: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
> ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
> Uname: Linux 3.2.0-23-generic-pae i686
> .tmp.unity.support.test.0:
>
> ApportVersion: 2.0.1-0ubuntu3
> Architecture: i386
> Chipset: i915gm
> CompizPlugins: No value set for
> `/apps/compiz-1/general/screen0/options/active_plugins'
> CompositorRunning: compiz
> Date: Tue Apr 10 14:02:14 2012
> DistUpgraded: Fresh install
> DistroCodename: precise
> DistroVariant: ubuntu
> DkmsStatus:
> v4l2loopback, 0.5.0, 3.2.0-18-generic-pae, i686: installed
> v4l2loopback, 0.5.0, 3.2.0-20-generic-pae, i686: installed
> v4l2loopback, 0.5.0, 3.2.0-22-generic-pae, i686: installed
> v4l2loopback, 0.5.0, 3.2.0-23-generic-pae, i686: installed
> DuplicateSignature: [i915gm] GPU lockup render.IPEHR: 0x3f800000 Ubuntu
> 12.04
> ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
> ExtraDebuggingInterest: No
> GraphicsCard:
> Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller
> [8086:2592] (rev 03) (prog-if 00 [VGA controller])
> Subsystem: IBM Device [1014:0582]
> Subsystem: IBM Device [1014:0582]
> InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386
> (20120301)
> InterpreterPath: /usr/bin/python2.7
> MachineType: IBM 1858CLG
> PccardctlIdent:
> Socket 0:
> no product info available
> PccardctlStatus:
> Socket 0:
> no card
> ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
> ProcEnviron:
>
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic-pae
> root=UUID=df6b9369-3a50-48c5-8036-5f5bba4f7300 ro quiet splash vt.handoff=7
> RelatedPackageVersions:
> xserver-xorg 1:7.6+12ubuntu1
> libdrm2 2.4.32-1ubuntu1
> xserver-xorg-video-intel 2:2.17.0-1ubuntu4
> SourcePackage: xserver-xorg-video-intel
> Title: [i915gm] False GPU lockup render.IPEHR: 0x3f800000
> UpgradeStatus: No upgrade log present (probably fresh install)
> UserGroups:
>
> dmi.bios.date: 11/25/2005
> dmi.bios.vendor: IBM
> dmi.bios.version: 70ET62WW (1.22 )
> dmi.board.name: 1858CLG
> dmi.board.vendor: IBM
> dmi.board.version: Not Available
> dmi.chassis.asset.tag: No Asset Information
> dmi.chassis.type: 10
> dmi.chassis.vendor: IBM
> dmi.chassis.version: Not Avail...

On 06/07/2012 12:19 PM, Timo Aaltonen wrote:
> Jan: ping? could you test this kernel:
>
> http://people.canonical.com/~ogasawara/lp982415/i386/
>
> ** Changed in: xserver-xorg-video-intel (Ubuntu)
> Assignee: (unassigned) => Timo Aaltonen (tjaalton)
>
I've tested this kernel and now I cannot reproduce the crash, so I guess
it's working!
Thanks and sorry for my late answer.

Jan.

no worries, thanks for testing :)

The commit noted in comment #4 was applied upstream as of v3.4-rc4 and is already available in the current Quantal 3.4.0-5.11 kernel. Based on the positive test feedback in comment #15, I'm marking the actively developed linux task as Fix Released. If this needs to be considered for SRU for Precise, we should look to get this submitted to upstream stable for the next 3.2.x release. Thanks.

I'll send the patch to the stable queue.

this is now in the upstream queue, and the pre-proposed kernel that'll soon be release to precise-proposed, marking as inprogress.

The commit for this issue came in via a stable upstream release. As such it is not subject to the standard bug verification process.

This bug was fixed in the package linux - 3.2.0-27.43

---------------
linux (3.2.0-27.43) precise-proposed; urgency=low

  [ Andy Whitcroft ]

  * No change upload to fix .ddeb generation in the PPA.

  [ Luis Henriques ]

  * Release Tracking Bug
    - LP: #1020016

linux (3.2.0-27.42) precise-proposed; urgency=low

  [Luis Henriques]

  * Release Tracking Bug
    - LP: #1020016

  [ Chris J Arges ]

  * PACKAGING: add .gnu_debuglink sections to .ko files
    - LP: #669641

  [ Ike Panhc ]

  * [Config] Updateconfigs
    - LP: #1008345

  [ Luis Henriques ]

  * SAUCE: (upstreamed) [media] ene_ir: Fix driver initialisation
    - LP: #1014800
  * SAUCE: ocfs2: Fix NULL pointer dereferrence in
    __ocfs2_change_file_space
    - LP: #1006012

  [ Rob Herring ]

  * SAUCE: net: calxedaxgmac: enable rx cut-thru mode
    - LP: #1008345
  * SAUCE: EDAC: Add support for the highbank platform memory
    - LP: #1008345
  * SAUCE: EDAC: add support for highbank platform L2 cache ecc
    - LP: #1008345

  [ Seth Forshee ]

  * (pre-stable): bcma: add ext PA workaround for BCM4331 and BCM43431
    - LP: #925577

  [ Takashi Iwai ]

  * SAUCE: ALSA: hda - Fix power-map regression for HP dv6 & co
    - LP: #1013183

  [ Tim Gardner ]

  * [Config] Enable CONFIG_CGROUPS for highbank
    - LP: #1014692

  [ Upstream Kernel Changes ]

  * Revert "net: maintain namespace isolation between vlan and real device"
    - LP: #1013723
  * x86/amd: Re-enable CPU topology extensions in case BIOS has disabled it
    - LP: #1009087
  * hwmon: (k10temp) Add support for AMD Trinity CPUs
    - LP: #1009086
  * hwmon: (fam15h_power) Increase output resolution
    - LP: #1009086
  * Input: wacom - use BTN_TOOL_FINGER to indicate touch device type
    - LP: #1009435
  * Input: wacom - use switch statement for wacom_tpc_irq()
    - LP: #1009435
  * Input: wacom - isolate input registration
    - LP: #1009435
  * Input: wacom - wireless monitor framework
    - LP: #1009435
  * Input: wacom - create inputs when wireless connect
    - LP: #1009435
  * Input: wacom - wireless battery status
    - LP: #1009435
  * Input: wacom - check for allocation failure in probe()
    - LP: #1009435
  * Input: wacom - add basic Intuos5 support
    - LP: #1009435
  * Input: wacom - add Intuos5 Touch Ring/ExpressKey support
    - LP: #1009435
  * Input: wacom - add Intuos5 Touch Ring LED support
    - LP: #1009435
  * Input: wacom - add Intuos5 multitouch sensor support
    - LP: #1009435
  * iommu/amd: Add workaround for event log erratum
    - LP: #1013723
  * MIPS: BCM63XX: Add missing include for bcm63xx_gpio.h
    - LP: #1013723
  * cifs: Include backup intent search flags during searches {try #2)
    - LP: #1013723
  * sunrpc: fix loss of task->tk_status after rpc_delay call in
    xprt_alloc_slot
    - LP: #1013723
  * exofs: Fix CRASH on very early IO errors.
    - LP: #1013723
  * cifs: fix oops while traversing open file list (try #4)
    - LP: #1013723
  * Fix dm-multipath starvation when scsi host is busy
    - LP: #1013723
  * ixp4xx: fix compilation by adding gpiolib support
    - LP: #1013723
  * drm/i915: properly handle interlaced bit for sdvo dtd conversion
    - LP: #1013723
...

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