[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

This bug was fixed in the package linux - 4.10.0-26.30 --- linux (4.10.0-26.30) zesty; urgency=low * linux: 4.10.0-26.30 -proposed tracker (LP: #1700528) * CVE-2017-1000364 - Revert "UBUNTU: SAUCE: mm: Only expand stack if guard area is hit" - Revert "mm: do not collapse

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

This bug was fixed in the package linux - 4.10.0-26.30 --- linux (4.10.0-26.30) zesty; urgency=low * linux: 4.10.0-26.30 -proposed tracker (LP: #1700528) * CVE-2017-1000364 - Revert "UBUNTU: SAUCE: mm: Only expand stack if guard area is hit" - Revert "mm: do not collapse

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

Sorry for the delays. The nvme fio test didn't stress the system enough with this build, so I setup two systems with a direct wired, back to back, high performance network link and ran iperf. With the client in pass through, and the server in passthough/nonpassthrough, the data rate was slightly

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- zesty' to 'verification-done-zesty'. If the problem still exists, change the tag

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

** Changed in: linux (Ubuntu Zesty) Status: New => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1688158 Title: [SRU][Zesty] Support SMMU passthrough using the default domain

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

** Also affects: linux (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Status: Incomplete => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

Re-test boot on Power8 from PPA. ubuntu@manjo-srutest:~$ uname -a Linux manjo-srutest 4.10.0-21-generic #23~sru4.test4-Ubuntu SMP Tue May 30 21:03:42 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux ubuntu@manjo-srutest:~$ -- You received this bug notification because you are a member of Ubuntu

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

Re-tested boot on ARM Centriq platform from the PPA. ubuntu@ubuntu:~$ uname -a Linux ubuntu 4.10.0-21-generic #23~sru4.test4-Ubuntu SMP Tue May 30 21:04:32 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux ubuntu@ubuntu:~$ -- You received this bug notification because you are a member of Ubuntu Bugs,

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

This patch was applied on top of the patch series to implement smmu pass though on zesty kernel and tested on Dell PowerEdge T710 and it fixes the regression. ubuntu@adib:~$ uname -a Linux adib 4.10.0-21-generic #23~sru4.test5 SMP Tue May 30 18:25:49 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

This is fixed in upstream by patch, will cherry-pick this patch and test on intel system to fix this regression, and resubmit the sru. commit 0ef7b235aeddf9b2f78889c7823a24745ebf0cf7 Author: Andy Shevchenko Date: Wed Feb 15 16:42:21 2017 +0200

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

I get a kernel panic on AMD64 system .. investigating. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1688158 Title: [SRU][Zesty] Support SMMU passthrough using the default domain To manage

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

Tested on Power8 ubuntu@manjo-srutest:~$ uname -a Linux manjo-srutest 4.10.0-22-generic #24~sru4+test.1-Ubuntu SMP Wed May 24 18:42:19 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux ubuntu@manjo-srutest:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

Boot tested on Thunder-X no regressions. Loading Linux 4.10.0-20-generic ... Loading initial ramdisk ... Ds1337GetDatetime Error Getting TimeEFI stub: Booting Linux Kernel... EFI stub: EFI_RNG_PROTOCOL unavailable, no randomness supplied EFI stub: Using DTB from configuration table EFI stub:

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

** Tags added: qdf2400 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1688158 Title: [SRU][Zesty] Support SMMU passthrough using the default domain To manage notifications about this bug go to:

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

** Description changed: [Impact] Have the SMMU come up in a passthrough configuration, and then allow subsequent translation for things such as VFIO. Rather than do this in each SMMU driver, it's much cleaner to allow the default domain to be configured to be something other than DMA.

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

** Description changed: [Impact] - Have the SMMU come up in a passthrough configuration, and then allow subsequent translation for - things such as VFIO. Rather than do this in each SMMU driver, it's much cleaner to allow the default domain to be configured to be something other than DMA. +

[Bug 1688158] Re: [SRU][Zesty] Support SMMU passthrough using the default domain

** Description changed: [Impact] Have the SMMU come up in a passthrough configuration, and then allow subsequent translation for things such as VFIO. Rather than do this in each SMMU driver, it's much cleaner to allow the default domain to be configured to be something other than DMA.