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apport-collect 1822274
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Bionic)
Status: New => Incomplete
** Changed in: linux (Ubuntu Cosmic)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1822274
Title:
9e622d6bea0202e9fe267955362c01918562c09b in ubuntu_btrfs_kernel_fixes
timeouted on B/C P9
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
Incomplete
Status in linux source package in Cosmic:
Incomplete
Bug description:
This test will timeout on our P9 node "baltar" (it's the most time-
consuming job)
A manual run shows that the sysbench command in this test will take
about 2 hours to complete:
# sysbench --num-threads=1 --test=fileio --file-num=81920
--file-total-size=80M --file-block-size=1K --file-io-mode=sync
--file-test-mode=seqwr prepare
...
...
...
Creating file test_file.81917
Creating file test_file.81918
Creating file test_file.81919
83886080 bytes written in 7231.40 seconds (0.01 MiB/sec).
#
And our timeout threshold is exactly 2 hours. An easy fix for this is to bump
the threshold.
But it's weird that this test only fail on Bionic 4.15.
Here is the performance matrix for how long does it take for this test to
execute:
* Bionic 4.18 - 90 minutes
* Disco 5.0 - 99 minutes
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-46-generic 4.15.0-46.49
ProcVersionSignature: Ubuntu 4.15.0-46.49-generic 4.15.18
Uname: Linux 4.15.0-46-generic ppc64le
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Mar 29 07:04 seq
crw-rw---- 1 root audio 116, 33 Mar 29 07:04 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.6
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:
CurrentDmesg:
Date: Fri Mar 29 09:55:09 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: 0.09 0.04 0.27 1/1367 5463
ProcLocks:
1: FLOCK ADVISORY WRITE 3539 00:17:524 0 EOF
2: POSIX ADVISORY WRITE 3875 00:17:602 0 EOF
3: FLOCK ADVISORY WRITE 3912 00:17:598 0 EOF
4: POSIX ADVISORY WRITE 3902 00:17:580 0 EOF
5: POSIX ADVISORY WRITE 1820 00:17:373 0 EOF
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -2
ProcVersion: Linux version 4.15.0-46-generic (buildd@bos02-ppc64el-009) (gcc
version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #49-Ubuntu SMP Wed Feb 6 09:32:48 UTC
2019
RelatedPackageVersions:
linux-restricted-modules-4.15.0-46-generic N/A
linux-backports-modules-4.15.0-46-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 16
cpu_freq:
min: 2.862 GHz (cpu 159)
max: 2.862 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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