[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64

2019-04-30 Thread satmandu
On the flip side, I am able to use dtoverlay=vc4-kms-v3d,cma-256 to boot
my 3B+ on the disco kernel, which appears to allow me to use hardware
accelerated decoding on the RPI.

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Title:
  Please enable CONFIG_DMA_CMA=y on arm64

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Disco:
  Fix Released

Bug description:
  Using the generic arm64 kernel on my raspberry pi 3 it seems
  impossible to use any apps that require 3D graphics.  The X session
  crashes and a reboot is needed to make it bootable again.

  Inspecting dmesg, there are a lot of "failed to allocate CMA"
  messages.  Adding cma=256M to the kernel command line has no effect.
  Dropping resolution allows firefox to start, but 3D apps still fail.

  I believe the vc4 driver needs CONFIG_DMA_CMA=y, which currently the
  generic kernel does not set.  The raspi2 kernel has this and 3D
  graphics works.

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[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64

2019-04-30 Thread dann frazier
Just to add a tag back, this fix is causing regressions on some server
platforms in bug 1823753

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Title:
  Please enable CONFIG_DMA_CMA=y on arm64

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Disco:
  Fix Released

Bug description:
  Using the generic arm64 kernel on my raspberry pi 3 it seems
  impossible to use any apps that require 3D graphics.  The X session
  crashes and a reboot is needed to make it bootable again.

  Inspecting dmesg, there are a lot of "failed to allocate CMA"
  messages.  Adding cma=256M to the kernel command line has no effect.
  Dropping resolution allows firefox to start, but 3D apps still fail.

  I believe the vc4 driver needs CONFIG_DMA_CMA=y, which currently the
  generic kernel does not set.  The raspi2 kernel has this and 3D
  graphics works.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64

2019-03-11 Thread Launchpad Bug Tracker
This bug was fixed in the package linux - 5.0.0-7.8

---
linux (5.0.0-7.8) disco; urgency=medium

  * linux: 5.0.0-7.8 -proposed tracker (LP: #1818519)

  * Packaging resync (LP: #1786013)
- [Packaging] update helper scripts

  * unnecessary request_queue freeze (LP: #1815733)
- block: avoid setting nr_requests to current value
- block: avoid setting none scheduler if it's already none

  * Miscellaneous Ubuntu changes
- SAUCE: selftests: net: Don't fail test_vxlan_under_vrf on xfail
- update dkms package versions

  [ Upstream Kernel Changes ]

  * Rebase to v5.0

 -- Seth Forshee   Mon, 04 Mar 2019 08:46:10
-0600

** Changed in: linux (Ubuntu Disco)
   Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1803206

Title:
  Please enable CONFIG_DMA_CMA=y on arm64

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Disco:
  Fix Released

Bug description:
  Using the generic arm64 kernel on my raspberry pi 3 it seems
  impossible to use any apps that require 3D graphics.  The X session
  crashes and a reboot is needed to make it bootable again.

  Inspecting dmesg, there are a lot of "failed to allocate CMA"
  messages.  Adding cma=256M to the kernel command line has no effect.
  Dropping resolution allows firefox to start, but 3D apps still fail.

  I believe the vc4 driver needs CONFIG_DMA_CMA=y, which currently the
  generic kernel does not set.  The raspi2 kernel has this and 3D
  graphics works.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803206/+subscriptions

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[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64

2019-02-20 Thread Seth Forshee
This option has been turned on for arm64 in the 5.0 kernel tree that
will be used for disco.

** Changed in: linux (Ubuntu Disco)
   Status: Triaged => Fix Committed

** Changed in: linux (Ubuntu Disco)
 Assignee: (unassigned) => Seth Forshee (sforshee)

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1803206

Title:
  Please enable CONFIG_DMA_CMA=y on arm64

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Disco:
  Fix Committed

Bug description:
  Using the generic arm64 kernel on my raspberry pi 3 it seems
  impossible to use any apps that require 3D graphics.  The X session
  crashes and a reboot is needed to make it bootable again.

  Inspecting dmesg, there are a lot of "failed to allocate CMA"
  messages.  Adding cma=256M to the kernel command line has no effect.
  Dropping resolution allows firefox to start, but 3D apps still fail.

  I believe the vc4 driver needs CONFIG_DMA_CMA=y, which currently the
  generic kernel does not set.  The raspi2 kernel has this and 3D
  graphics works.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803206/+subscriptions

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[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64

2018-12-13 Thread CodeExecution
Same issue here. Apps like Chromium freeze the Pi, and the display
output also goes off screen.

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https://bugs.launchpad.net/bugs/1803206

Title:
  Please enable CONFIG_DMA_CMA=y on arm64

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Disco:
  Triaged

Bug description:
  Using the generic arm64 kernel on my raspberry pi 3 it seems
  impossible to use any apps that require 3D graphics.  The X session
  crashes and a reboot is needed to make it bootable again.

  Inspecting dmesg, there are a lot of "failed to allocate CMA"
  messages.  Adding cma=256M to the kernel command line has no effect.
  Dropping resolution allows firefox to start, but 3D apps still fail.

  I believe the vc4 driver needs CONFIG_DMA_CMA=y, which currently the
  generic kernel does not set.  The raspi2 kernel has this and 3D
  graphics works.

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64

2018-12-02 Thread Adam Smith
** Attachment added: "kern.log"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803206/+attachment/5218150/+files/kern.log

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1803206

Title:
  Please enable CONFIG_DMA_CMA=y on arm64

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Disco:
  Triaged

Bug description:
  Using the generic arm64 kernel on my raspberry pi 3 it seems
  impossible to use any apps that require 3D graphics.  The X session
  crashes and a reboot is needed to make it bootable again.

  Inspecting dmesg, there are a lot of "failed to allocate CMA"
  messages.  Adding cma=256M to the kernel command line has no effect.
  Dropping resolution allows firefox to start, but 3D apps still fail.

  I believe the vc4 driver needs CONFIG_DMA_CMA=y, which currently the
  generic kernel does not set.  The raspi2 kernel has this and 3D
  graphics works.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803206/+subscriptions

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[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64

2018-11-16 Thread Joseph Salisbury
** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: Confirmed => Triaged

** Also affects: linux (Ubuntu Disco)
   Importance: Medium
   Status: Triaged

** Tags added: disco

** Tags removed: disco
** Tags added: kernel-da-key

** Tags added: disco

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1803206

Title:
  Please enable CONFIG_DMA_CMA=y on arm64

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Disco:
  Triaged

Bug description:
  Using the generic arm64 kernel on my raspberry pi 3 it seems
  impossible to use any apps that require 3D graphics.  The X session
  crashes and a reboot is needed to make it bootable again.

  Inspecting dmesg, there are a lot of "failed to allocate CMA"
  messages.  Adding cma=256M to the kernel command line has no effect.
  Dropping resolution allows firefox to start, but 3D apps still fail.

  I believe the vc4 driver needs CONFIG_DMA_CMA=y, which currently the
  generic kernel does not set.  The raspi2 kernel has this and 3D
  graphics works.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803206/+subscriptions

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