Submitted Artful SRU request: https://lists.ubuntu.com/archives/kernel-team/2018-February/089829.html
** Description changed: - Can you please backport VMD suspend/resume fixes from 4.14 to current - 4.13 HWE? + == SRU Justification == + + This bug was opened to request commit e2b1820bd5d0 be backported from 4.14 to + the 4.13 kernel in Artful. Without this patch, servers with VMD enabled + run into issues suspending and resuming. + + Commit e2b1820bd5d0962d6f271b0d47c3a0e38647df2f is in mainline as of + v4.14-rc1. + [Fixes] commit e2b1820bd5d0962d6f271b0d47c3a0e38647df2f Author: Scott Bauer <scott.ba...@intel.com> Date: Fri Aug 11 14:54:32 2017 -0600 - PCI: vmd: Free up IRQs on suspend path + PCI: vmd: Free up IRQs on suspend path - [Impact] + [Impact] Without this patch, servers with VMD enabled may run into issues suspending and resuming [Test Case] Typically this manifests by having many other devices having acquired IRQ resources competing with VMD. Without the patch, the server may fail to suspend when it can't move the IRQs to core 0 because of the lack of IRQs available on core 0. - [Regression Potential] + [Regression Potential] Low. This only affects one component of one arch and affects the non-typical use-case of suspending a server -- 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/1745508 Title: Please backport vmd suspend/resume patches to 16.04 hwe Status in linux package in Ubuntu: In Progress Status in linux source package in Artful: In Progress Bug description: == SRU Justification == This bug was opened to request commit e2b1820bd5d0 be backported from 4.14 to the 4.13 kernel in Artful. Without this patch, servers with VMD enabled run into issues suspending and resuming. Commit e2b1820bd5d0962d6f271b0d47c3a0e38647df2f is in mainline as of v4.14-rc1. [Fixes] commit e2b1820bd5d0962d6f271b0d47c3a0e38647df2f Author: Scott Bauer <scott.ba...@intel.com> Date: Fri Aug 11 14:54:32 2017 -0600 PCI: vmd: Free up IRQs on suspend path [Impact] Without this patch, servers with VMD enabled may run into issues suspending and resuming [Test Case] Typically this manifests by having many other devices having acquired IRQ resources competing with VMD. Without the patch, the server may fail to suspend when it can't move the IRQs to core 0 because of the lack of IRQs available on core 0. [Regression Potential] Low. This only affects one component of one arch and affects the non-typical use-case of suspending a server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1745508/+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
