This bug was fixed in the package linux - 4.15.0-29.31
---------------
linux (4.15.0-29.31) bionic; urgency=medium
* linux: 4.15.0-29.31 -proposed tracker (LP: #1782173)
* [SRU Bionic][Cosmic] kernel panic in ipmi_ssif at msg_done_handler
(LP: #1777716)
- ipmi_ssif: Fix kernel panic at msg_done_handler
* Update to ocxl driver for 18.04.1 (LP: #1775786)
- misc: ocxl: use put_device() instead of device_unregister()
- powerpc: Add TIDR CPU feature for POWER9
- powerpc: Use TIDR CPU feature to control TIDR allocation
- powerpc: use task_pid_nr() for TID allocation
- ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action
- ocxl: Expose the thread_id needed for wait on POWER9
- ocxl: Add an IOCTL so userspace knows what OCXL features are available
- ocxl: Document new OCXL IOCTLs
- ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()
* Critical upstream bugfix missing in Ubuntu 18.04 - frequent Xorg crash after
suspend (LP: #1776887)
- ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL
* Hard LOCKUP observed on stressing Ubuntu 18 04 (LP: #1777194)
- powerpc: use NMI IPI for smp_send_stop
- powerpc: Fix smp_send_stop NMI IPI handling
* IPL: ppc64_cpu --frequency hang with INFO: rcu_sched detected stalls on
CPUs/tasks on w34 and wsbmc016 with 920.1714.20170330n (LP: #1773964)
- rtc: opal: Fix OPAL RTC driver OPAL_BUSY loops
* [Regression] EXT4-fs error (device sda2): ext4_validate_block_bitmap:383:
comm stress-ng: bg 4705: bad block bitmap checksum (LP: #1781709)
- SAUCE: Revert "UBUNTU: SAUCE: ext4: fix ext4_validate_inode_bitmap: comm
stress-ng: Corrupt inode bitmap"
- SAUCE: ext4: check for allocation block validity with block group locked
linux (4.15.0-28.30) bionic; urgency=medium
* linux: 4.15.0-28.30 -proposed tracker (LP: #1781433)
* Cannot set MTU higher than 1500 in Xen instance (LP: #1781413)
- xen-netfront: Fix mismatched rtnl_unlock
- xen-netfront: Update features after registering netdev
linux (4.15.0-27.29) bionic; urgency=medium
* linux: 4.15.0-27.29 -proposed tracker (LP: #1781062)
* [Regression] EXT4-fs error (device sda1): ext4_validate_inode_bitmap:99:
comm stress-ng: Corrupt inode bitmap (LP: #1780137)
- SAUCE: ext4: fix ext4_validate_inode_bitmap: comm stress-ng: Corrupt inode
bitmap
linux (4.15.0-26.28) bionic; urgency=medium
* linux: 4.15.0-26.28 -proposed tracker (LP: #1780112)
* failure to boot with linux-image-4.15.0-24-generic (LP: #1779827) // Cloud-
init causes potentially huge boot delays with 4.15 kernels (LP: #1780062)
- random: Make getrandom() ready earlier
linux (4.15.0-25.27) bionic; urgency=medium
* linux: 4.15.0-25.27 -proposed tracker (LP: #1779354)
* hisi_sas_v3_hw: internal task abort: timeout and not done. (LP: #1777736)
- scsi: hisi_sas: Update a couple of register settings for v3 hw
* hisi_sas: Add missing PHY spinlock init (LP: #1777734)
- scsi: hisi_sas: Add missing PHY spinlock init
* hisi_sas: improve read performance by pre-allocating slot DMA buffers
(LP: #1777727)
- scsi: hisi_sas: use dma_zalloc_coherent()
- scsi: hisi_sas: Use dmam_alloc_coherent()
- scsi: hisi_sas: Pre-allocate slot DMA buffers
* hisi_sas: Failures during host reset (LP: #1777696)
- scsi: hisi_sas: Only process broadcast change in phy_bcast_v3_hw()
- scsi: hisi_sas: Fix the conflict between dev gone and host reset
- scsi: hisi_sas: Adjust task reject period during host reset
- scsi: hisi_sas: Add a flag to filter PHY events during reset
- scsi: hisi_sas: Release all remaining resources in clear nexus ha
* Fake SAS addresses for SATA disks on HiSilicon D05 are non-unique
(LP: #1776750)
- scsi: hisi_sas: make SAS address of SATA disks unique
* Vcs-Git header on bionic linux source package points to zesty git tree
(LP: #1766055)
- [Packaging]: Update Vcs-Git
* large KVM instances run out of IRQ routes (LP: #1778261)
- SAUCE: kvm -- increase KVM_MAX_IRQ_ROUTES to 2048 on x86
-- Stefan Bader <stefan.ba...@canonical.com> Tue, 17 Jul 2018 10:57:50
+0200
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1775786
Title:
Update to ocxl driver for 18.04.1
Status in The Ubuntu-power-systems project:
Fix Committed
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Bionic:
Fix Released
Bug description:
== SRU Justification ==
IBM is requesting these patches in Bionic. ocxl (opencapi) is a relatively
new driver which was added to Ubuntu 18.04; It's specific to POWER9 systems.
== Regression Potential ==
Medium. There are 10 patches, but all are limited to powerpc and the ocxl
driver.
== Test Case ==
A test kernel was built with these patches and tested by IBM.
---Problem Description---
Update to ocxl driver
---uname output---
4.15.0-22-generic
---Additional Hardware Info---
opencapi adapter needed
Machine Type = any POWER9 system
---Debugger---
A debugger is not configured
== Comment: #1 - Frederic Barrat <frederic.bar...@fr.ibm.com> - 2018-06-05
03:46:00 ==
ocxl (opencapi) is a relatively new driver which was added to Ubuntu 18.04;
It's specific to POWER9 systems.
We'd like to add the following 9 commits for Ubuntu 18.04.1:
The following 2 patches are already in the main linux tree:
474cca5fd894de99afc69274e8b25524ae62d7ee
misc: ocxl: use put_device() instead of device_unregister()
e7666d046ac0eda535282a5fd3b188f31d0f4afd
ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL
The remaining commits are in the powerpc-next tree and will be merged
in the next merge window (i.e. in a week or so). See
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/log/?h=next
819844285ef2b5d15466f5b5062514135ffba06c
powerpc: Add TIDR CPU feature for POWER9
3449f191ca9be1a6ac9757b8ab55f239092362e5
powerpc: Use TIDR CPU feature to control TIDR allocation
71cc64a85d8d99936f6851709a07f18c87a0adab
powerpc: use task_pid_nr() for TID allocation
19df39581ce99eb1fcfb119945810c9c5bc3f8d4
ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action
e948e06fc63a1c1e36ec4c8e5c510b881ff19c26
ocxl: Expose the thread_id needed for wait on POWER9
02a8e5bc1c06045f36423bd9632ad9f40da18d3f
ocxl: Add an IOCTL so userspace knows what OCXL features are available
721c551d31fb441ff3be701ad3be14cf6e0aca3f
ocxl: Document new OCXL IOCTLs
Another commit ID to add to the list (fixes a commit from previous list),
from the 'next' tree:
2e5c93d6bb2f7bc17eb82748943a1b9f6b068520
ocxl: Fix missing unlock on error in afu_ioctl_enable_p9_wait()
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