CONFIG_DMA_CMA causes ttm performance problems/hangs
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Medium
|
Unassigned | ||
Trusty |
Confirmed
|
Medium
|
Unassigned | ||
Utopic |
Fix Released
|
Medium
|
Unassigned |
Bug Description
The x86_64 kernels have CONFIG_DMA_CMA enabled, this causes extrem hangs of at least the RADEON driver
full discussion is here: http://
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-
ProcVersionSign
Uname: Linux 3.16.0-10-generic x86_64
ApportVersion: 2.14.6-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CurrentDesktop: XFCE
Date: Wed Aug 27 18:57:02 2014
HibernationDevice: RESUME=
MachineType: Hewlett-Packard HP EliteBook 8560w
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.132
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-07-21 (37 days ago)
dmi.bios.date: 07/15/2013
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68SVD Ver. F.42
dmi.board.name: 1631
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 01.3D
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-
dmi.product.name: HP EliteBook 8560w
dmi.product.
dmi.sys.vendor: Hewlett-Packard
tags: | added: kernel-key |
Changed in linux (Ubuntu Trusty): | |
importance: | Undecided → Medium |
Changed in linux (Ubuntu Utopic): | |
status: | Triaged → Fix Committed |
Changed in linux (Ubuntu Trusty): | |
status: | Incomplete → Confirmed |
This change was made by a bot.