** Description changed: - Unrecovered MCE and HMI errors are sent through a special restart OPAL + == SRU Justification == + IBM unrecovered MCE and HMI errors are sent through a special restart OPAL call to log the platform error. The downside is that they don't go through normal Linux crash paths, so they don't give much information to the Linux console. + IBM is requesting to have the commit b746e3e01e70d23ef53dcde1203ab78a1b7ac514 + in the Zesty kernel. - We need to have the commit b746e3e01e70d23ef53dcde1203ab78a1b7ac514 in kernel 4.10. + Commit b746e3e01e70d2 is in mainline as of 4.14-rc1. - I did the backport and that will be attached to this bug. + Breno Leitao from IBM did a backport of this commit. - I also tested kernel -41 with this patch in several scenarios (KVM - guest, Hypervisor) and I see no regression + == Fix == + commit b746e3e01e70d23ef53dcde1203ab78a1b7ac514 + Author: Nicholas Piggin <npig...@gmail.com> + Date: Wed Jul 19 16:59:10 2017 +1000 + + powerpc/powernv: Flush console before platform error reboot + + == Regression Potential == + This patch is specific to powerpc, and it has been backported, reviewed and + tested by IBM. + + == Test Case == + A test kernel was built with this patch and tested by the original bug reporter. + The bug reporter states the test kernel resolved the bug.
-- 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/1735159 Title: powerpc/powernv: Flush console before platform error reboot Status in The Ubuntu-power-systems project: In Progress Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: == SRU Justification == IBM unrecovered MCE and HMI errors are sent through a special restart OPAL call to log the platform error. The downside is that they don't go through normal Linux crash paths, so they don't give much information to the Linux console. IBM is requesting to have the commit b746e3e01e70d23ef53dcde1203ab78a1b7ac514 in the Zesty kernel. Commit b746e3e01e70d2 is in mainline as of 4.14-rc1. Breno Leitao from IBM did a backport of this commit. == Fix == commit b746e3e01e70d23ef53dcde1203ab78a1b7ac514 Author: Nicholas Piggin <npig...@gmail.com> Date: Wed Jul 19 16:59:10 2017 +1000 powerpc/powernv: Flush console before platform error reboot == Regression Potential == This patch is specific to powerpc, and it has been backported, reviewed and tested by IBM. == Test Case == A test kernel was built with this patch and tested by the original bug reporter. The bug reporter states the test kernel resolved the bug. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1735159/+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
