I built a test kernel with the six commits posted in the bug description. The
test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1774471
Can you test this kernel and see if it resolves this bug?
Note about installing test kernels:
• If the test kernel is prior to 4.15(Bionic) you need to install the
linux-image and linux-image-extra .deb packages.
• If the test kernel is 4.15(Bionic) or newer, you need to install the
linux-modules, linux-modules-extra and linux-image-unsigned .deb packages.
Thanks in advance!
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu)
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) =>
Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1774471
Title:
Various fixes for CXL kernel module
Status in The Ubuntu-power-systems project:
Triaged
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Bionic:
In Progress
Bug description:
---Problem Description---
Couple of CXL patches need to be merged to Ubuntu 18.04.1 kernel source tree.
They fix various issues found after the 18.04 kernel freeze:
401dca8cbd14 cxl: Set the PBCQ Tunnel BAR register when enabling capi mode
497a0790e2c6 cxl: Report the tunneled operations status
ad7b4e8022b9 cxl: Fix possible deadlock when processing page faults from
cxllib
02b63b420223 cxl: Remove function write_timebase_ctrl_psl9() for PSL9
cxl: Configure PSL to not use APC virtual machines :
http://patchwork.ozlabs.org/patch/899062/
cxl: Disable prefault_mode in Radix mode :
http://patchwork.ozlabs.org/patch/916159/
---uname output---
4.15.0-12-generic
---Additional Hardware Info---
a compatible capi FPGA adapter
Machine Type = Boston-LC
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