[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
** Tags added: cscc -- 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: 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
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. -- 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: 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
Just to add a tag back, this fix is causing regressions on some server platforms in bug 1823753 -- 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: 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
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 -- 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: 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
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) -- 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: 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
Same issue here. Apps like Chromium freeze the Pi, and the display output also goes off screen. -- 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
** Attachment added: "kern.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803206/+attachment/5218150/+files/kern.log -- 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1803206] Re: Please enable CONFIG_DMA_CMA=y on arm64
** 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
