This bug was fixed in the package linux - 4.15.0-51.55
---------------
linux (4.15.0-51.55) bionic; urgency=medium
* linux: 4.15.0-51.55 -proposed tracker (LP: #1829219)
* disable a.out support (LP: #1818552)
- [Config] Disable a.out support
* [UBUNTU] qdio: clear intparm during shutdown (LP: #1828394)
- s390/qdio: clear intparm during shutdown
* ftrace in ubuntu_kernel_selftests hang with Cosmic kernel (LP: #1826385)
- kprobes/x86: Fix instruction patching corruption when copying more than
one
RIP-relative instruction
* touchpad not working on lenovo yoga 530 (LP: #1787775)
- Revert "UBUNTU: SAUCE: i2c:amd Depends on ACPI"
- Revert "UBUNTU: SAUCE: i2c:amd move out pointer in union i2c_event_base"
- Revert "UBUNTU: SAUCE: i2c:amd I2C Driver based on PCI Interface for
upcoming platform"
- i2c: add helpers to ease DMA handling
- i2c: add a message flag for DMA safe buffers
- i2c: add extra check to safe DMA buffer helper
- i2c: Add drivers for the AMD PCIe MP2 I2C controller
- [Config] Update config for AMD MP2 I2C driver
- [Config] Update I2C_AMD_MP2 annotations
* tm-unavailable in powerpc/tm failed on Bionic Power9 (LP: #1813129)
- selftests/powerpc: Check for pthread errors in tm-unavailable
- selftests/powerpc: Skip tm-unavailable if TM is not enabled
* cp_abort in powerpc/context_switch from ubunut_kernel_selftests failed on
Bionic P9 (LP: #1813134)
- selftests/powerpc: Remove redundant cp_abort test
* bionic/linux: completely remove snapdragon files from sources (LP: #1827880)
- [Packaging] remove snapdragon dead files
- [Config] update configs after snapdragon removal
* The noise keeps occurring when Headset is plugged in on a Dell machine
(LP: #1827972)
- ALSA: hda/realtek - Fixed Dell AIO speaker noise
* Geneve tunnels don't work when ipv6 is disabled (LP: #1794232)
- geneve: correctly handle ipv6.disable module parameter
* There are 4 HDMI/Displayport audio output listed in sound setting without
attach any HDMI/DP monitor (LP: #1827967)
- ALSA: hda/hdmi - Read the pin sense from register when repolling
- ALSA: hda/hdmi - Consider eld_valid when reporting jack event
* Headphone jack switch sense is inverted: plugging in headphones disables
headphone output (LP: #1824259)
- ASoC: rt5645: Headphone Jack sense inverts on the LattePanda board
* CTAUTO:DevOps:860.50:devops4fp1:Error occurred during LINUX Dmesg error
Checking for all LINUX clients for devops4p10 (LP: #1766201)
- SAUCE: integrity: downgrade error to warning
* Screen freeze after resume from S3 when HDMI monitor plugged on Dell
Precision 7740 (LP: #1825958)
- PCI: Restore resized BAR state on resume
* potential memory corruption on arm64 on dev release (LP: #1827437)
- driver core: Postpone DMA tear-down until after devres release
* powerpc/pmu/ebb test in ubuntu_kernel_selftest failed with "error while
loading shared libraries" on Bionic/Cosmic PowerPC (LP: #1812805)
- selftests/powerpc/pmu: Link ebb tests with -no-pie
* unnecessary request_queue freeze (LP: #1815733)
- block: avoid setting nr_requests to current value
- block: avoid setting none scheduler if it's already none
* Kprobe event string type argument failed in ftrace from
ubuntu_kernel_selftests on B/C i386 (LP: #1825780)
- selftests/ftrace: Fix kprobe string testcase to not probe notrace function
* hns: fix socket accounting (LP: #1826911)
- net: hns: fix skb->truesize underestimation
* False positive test result in run_netsocktests from net in
ubuntu_kernel_selftest (LP: #1825777)
- selftests/net: correct the return value for run_netsocktests
-- Kleber Sacilotto de Souza <kleber.so...@canonical.com> Wed, 15 May
2019 14:48:35 +0200
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1813134
Title:
cp_abort in powerpc/context_switch from ubunut_kernel_selftests failed
on Bionic P9
Status in ubuntu-kernel-tests:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
== Justification ==
The cp_abort test in context_switch was designed for Power9, however
this test is broken and it fails everytime as Paste on Power9 only
works on accelerators and no longer on real memory.
== Fix ==
00c946a0 (selftests/powerpc: Remove redundant cp_abort test)
This will remove the cp_abort test.
Patch has already been applied in C and onward.
== Test ==
Patch verified on a Bionic P9 system, the test will no longer exist.
== Regression Potential ==
None.
This patchset is just for the kernel testing tool.
== Original Bug Report ==
This issue can only be reproduced on Power9 with Bionic kernel.
$ sudo ./cp_abort
test: cp_abort
tags: git_version:c186097-dirty
!! killing cp_abort
!! child died by signal 15
failure: cp_abort
It will get skipped on P8
Also to note that this test was completely removed in Cosmic with
commit 00c946a06e
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-44-generic 4.15.0-44.47
ProcVersionSignature: Ubuntu 4.15.0-44.47-generic 4.15.18
Uname: Linux 4.15.0-44-generic ppc64le
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Jan 24 07:22 seq
crw-rw---- 1 root audio 116, 33 Jan 24 07:22 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: ppc64el
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord':
'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Thu Jan 24 09:06:32 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0451:80ff Texas Instruments, Inc.
Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd
Bus 001 Device 002: ID 0557:7000 ATEN International Co., Ltd Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
PciMultimedia:
ProcFB: 0 astdrmfb
ProcKernelCmdLine: root=UUID=acd1a0d7-f6fc-4130-928c-c8b11ad6e4be ro
console=hvc0
ProcLoadAvg: 0.07 0.03 0.42 1/1360 33961
ProcLocks:
1: FLOCK ADVISORY WRITE 3482 00:17:520 0 EOF
2: POSIX ADVISORY WRITE 3746 00:17:580 0 EOF
3: POSIX ADVISORY WRITE 1800 00:17:368 0 EOF
4: FLOCK ADVISORY WRITE 3744 00:17:568 0 EOF
5: POSIX ADVISORY WRITE 3831 00:17:588 0 EOF
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -2
ProcVersion: Linux version 4.15.0-44-generic (buildd@bos02-ppc64el-004) (gcc
version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #47-Ubuntu SMP Mon Jan 14 11:26:40 UTC
2019
RelatedPackageVersions:
linux-restricted-modules-4.15.0-44-generic N/A
linux-backports-modules-4.15.0-44-generic N/A
linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
VarLogDump_list: total 0
cpu_cores: Number of cores present = 40
cpu_coreson: Number of cores online = 40
cpu_dscr: DSCR is 5
cpu_freq:
min: 2.862 GHz (cpu 159)
max: 2.863 GHz (cpu 1)
avg: 2.862 GHz
cpu_runmode:
Could not retrieve current diagnostics mode,
No kernel interface to firmware
cpu_smt: SMT=4
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