| 2016-01-26 08:42:07 |
Valerio |
bug |
|
|
added bug |
| 2016-01-26 15:16:23 |
Launchpad Janitor |
linux-lts-wily (Ubuntu): status |
New |
Confirmed |
|
| 2016-02-22 22:32:49 |
Viacheslav Semykrasov |
bug |
|
|
added subscriber Viacheslav Semykrasov |
| 2016-03-06 22:28:02 |
penalvch |
affects |
linux-lts-wily (Ubuntu) |
linux (Ubuntu) |
|
| 2016-03-06 22:28:02 |
penalvch |
linux (Ubuntu): importance |
Undecided |
Low |
|
| 2016-03-06 22:28:02 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
| 2016-03-06 22:39:52 |
Valerio |
tags |
amd64 apport-bug ext4 sata trusty |
amd64 apport-bug apport-collected ext4 sata trusty |
|
| 2016-03-06 22:39:53 |
Valerio |
description |
I have a brand new laptop (Asus N551VW, i7-6700HQ, 16 Gb ram) on which i installed Ubuntu 14.04 64bit and a new Samsung SSD 850 PRO 512Gb (latest firmware). I installed the default MySql 5.6.27 on the machine but I noticed a very VERY slow performance of the database (just creating a db and executing some migrations without any data takes around 33 seconds while on lower-hardware co-workers notebooks it takes like 3 seconds). Every sql statement seems to spend most time in "system lock" state, as i could see with a SHOW PROCESSLIST.
I thought it to be an hard drive issue, but executing the hard drive benchmark in Ubuntu gives 500 Mb/s read and 350 Mb/s write speed, which looks mostly normal.
I also tried updating to the new 4.2 kernel, but the issue still there. To make an experiment, i cloned the ssd on a normal hard drive, switched it in and connected the SSD externally with an usb box. I moved mysql data directory to the external disk, and retried the db creation: it took only 2.5 seconds.
Just out of curiosity i tried the same operation on an internal non-ssd disk: when the hd is plugged inside the laptop with sata, the database creation takes more than 2 minutes, while with the data dir on external usb (with the same physical disk) it took less than 10 seconds.
To make it short, after some research, adding barrier=0 to the mount options of the root drive with no other modification caused the same script to take 1.5 seconds instead of 33, with a 22x increase in performance.
I have opened his bug on askubuntu (http://askubuntu.com/questions/725182/ssd-extremely-slow-when-connected-with-internal-sata-ok-with-external-usb ) and it was suggested that this coud be an issue of the controller firmware/driver.
The problem is present both in trusty's default kernel (3.19.0-47.53) and in the 4.2 (4.2.0-25.30).
Let me know if you need more informations!
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.2.0-25-generic 4.2.0-25.30~14.04.1
ProcVersionSignature: Ubuntu 4.2.0-25.30~14.04.1-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Tue Jan 26 09:25:04 2016
InstallationDate: Installed on 2016-01-06 (19 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-wily
UpgradeStatus: No upgrade log present (probably fresh install) |
I have a brand new laptop (Asus N551VW, i7-6700HQ, 16 Gb ram) on which i installed Ubuntu 14.04 64bit and a new Samsung SSD 850 PRO 512Gb (latest firmware). I installed the default MySql 5.6.27 on the machine but I noticed a very VERY slow performance of the database (just creating a db and executing some migrations without any data takes around 33 seconds while on lower-hardware co-workers notebooks it takes like 3 seconds). Every sql statement seems to spend most time in "system lock" state, as i could see with a SHOW PROCESSLIST.
I thought it to be an hard drive issue, but executing the hard drive benchmark in Ubuntu gives 500 Mb/s read and 350 Mb/s write speed, which looks mostly normal.
I also tried updating to the new 4.2 kernel, but the issue still there. To make an experiment, i cloned the ssd on a normal hard drive, switched it in and connected the SSD externally with an usb box. I moved mysql data directory to the external disk, and retried the db creation: it took only 2.5 seconds.
Just out of curiosity i tried the same operation on an internal non-ssd disk: when the hd is plugged inside the laptop with sata, the database creation takes more than 2 minutes, while with the data dir on external usb (with the same physical disk) it took less than 10 seconds.
To make it short, after some research, adding barrier=0 to the mount options of the root drive with no other modification caused the same script to take 1.5 seconds instead of 33, with a 22x increase in performance.
I have opened his bug on askubuntu (http://askubuntu.com/questions/725182/ssd-extremely-slow-when-connected-with-internal-sata-ok-with-external-usb ) and it was suggested that this coud be an issue of the controller firmware/driver.
The problem is present both in trusty's default kernel (3.19.0-47.53) and in the 4.2 (4.2.0-25.30).
Let me know if you need more informations!
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.2.0-25-generic 4.2.0-25.30~14.04.1
ProcVersionSignature: Ubuntu 4.2.0-25.30~14.04.1-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Tue Jan 26 09:25:04 2016
InstallationDate: Installed on 2016-01-06 (19 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-wily
UpgradeStatus: No upgrade log present (probably fresh install)
---
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: valerio 2776 F.... pulseaudio
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=e5eee076-9bfc-4547-bf85-0208b98b57a8
InstallationDate: Installed on 2016-01-06 (60 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 002: ID 04f2:b3fd Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. N551VW
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-generic root=UUID=5231fd09-180d-4fd2-bad5-e989207b11e7 ro quiet splash elevator=deadline vt.handoff=7
ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.2.0-30-generic N/A
linux-backports-modules-4.2.0-30-generic N/A
linux-firmware 1.127.20
Tags: trusty
Uname: Linux 4.2.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 11/13/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N551VW.205
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N551VW
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN551VW.205:bd11/13/2015:svnASUSTeKCOMPUTERINC.:pnN551VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN551VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: N551VW
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC. |
|
| 2016-03-06 22:39:54 |
Valerio |
attachment added |
|
AlsaInfo.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590958/+files/AlsaInfo.txt |
|
| 2016-03-06 22:39:56 |
Valerio |
attachment added |
|
BootDmesg.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590959/+files/BootDmesg.txt |
|
| 2016-03-06 22:39:57 |
Valerio |
attachment added |
|
CRDA.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590960/+files/CRDA.txt |
|
| 2016-03-06 22:39:58 |
Valerio |
attachment added |
|
CurrentDmesg.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590961/+files/CurrentDmesg.txt |
|
| 2016-03-06 22:40:01 |
Valerio |
attachment added |
|
IwConfig.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590962/+files/IwConfig.txt |
|
| 2016-03-06 22:40:02 |
Valerio |
attachment added |
|
Lspci.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590963/+files/Lspci.txt |
|
| 2016-03-06 22:40:04 |
Valerio |
attachment added |
|
ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590964/+files/ProcCpuinfo.txt |
|
| 2016-03-06 22:40:05 |
Valerio |
attachment added |
|
ProcInterrupts.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590965/+files/ProcInterrupts.txt |
|
| 2016-03-06 22:40:06 |
Valerio |
attachment added |
|
ProcModules.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590966/+files/ProcModules.txt |
|
| 2016-03-06 22:40:07 |
Valerio |
attachment added |
|
RfKill.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590967/+files/RfKill.txt |
|
| 2016-03-06 22:40:09 |
Valerio |
attachment added |
|
UdevDb.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590968/+files/UdevDb.txt |
|
| 2016-03-06 22:40:11 |
Valerio |
attachment added |
|
UdevLog.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590969/+files/UdevLog.txt |
|
| 2016-03-06 22:40:13 |
Valerio |
attachment added |
|
WifiSyslog.txt https://bugs.launchpad.net/bugs/1538040/+attachment/4590970/+files/WifiSyslog.txt |
|
| 2016-03-06 23:58:52 |
penalvch |
tags |
amd64 apport-bug apport-collected ext4 sata trusty |
amd64 apport-bug apport-collected latest-bios-205 trusty |
|
| 2016-03-06 23:59:59 |
penalvch |
description |
I have a brand new laptop (Asus N551VW, i7-6700HQ, 16 Gb ram) on which i installed Ubuntu 14.04 64bit and a new Samsung SSD 850 PRO 512Gb (latest firmware). I installed the default MySql 5.6.27 on the machine but I noticed a very VERY slow performance of the database (just creating a db and executing some migrations without any data takes around 33 seconds while on lower-hardware co-workers notebooks it takes like 3 seconds). Every sql statement seems to spend most time in "system lock" state, as i could see with a SHOW PROCESSLIST.
I thought it to be an hard drive issue, but executing the hard drive benchmark in Ubuntu gives 500 Mb/s read and 350 Mb/s write speed, which looks mostly normal.
I also tried updating to the new 4.2 kernel, but the issue still there. To make an experiment, i cloned the ssd on a normal hard drive, switched it in and connected the SSD externally with an usb box. I moved mysql data directory to the external disk, and retried the db creation: it took only 2.5 seconds.
Just out of curiosity i tried the same operation on an internal non-ssd disk: when the hd is plugged inside the laptop with sata, the database creation takes more than 2 minutes, while with the data dir on external usb (with the same physical disk) it took less than 10 seconds.
To make it short, after some research, adding barrier=0 to the mount options of the root drive with no other modification caused the same script to take 1.5 seconds instead of 33, with a 22x increase in performance.
I have opened his bug on askubuntu (http://askubuntu.com/questions/725182/ssd-extremely-slow-when-connected-with-internal-sata-ok-with-external-usb ) and it was suggested that this coud be an issue of the controller firmware/driver.
The problem is present both in trusty's default kernel (3.19.0-47.53) and in the 4.2 (4.2.0-25.30).
Let me know if you need more informations!
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.2.0-25-generic 4.2.0-25.30~14.04.1
ProcVersionSignature: Ubuntu 4.2.0-25.30~14.04.1-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
Date: Tue Jan 26 09:25:04 2016
InstallationDate: Installed on 2016-01-06 (19 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-wily
UpgradeStatus: No upgrade log present (probably fresh install)
---
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: valerio 2776 F.... pulseaudio
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=e5eee076-9bfc-4547-bf85-0208b98b57a8
InstallationDate: Installed on 2016-01-06 (60 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 002: ID 04f2:b3fd Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. N551VW
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-generic root=UUID=5231fd09-180d-4fd2-bad5-e989207b11e7 ro quiet splash elevator=deadline vt.handoff=7
ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.2.0-30-generic N/A
linux-backports-modules-4.2.0-30-generic N/A
linux-firmware 1.127.20
Tags: trusty
Uname: Linux 4.2.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 11/13/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N551VW.205
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N551VW
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN551VW.205:bd11/13/2015:svnASUSTeKCOMPUTERINC.:pnN551VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN551VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: N551VW
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC. |
I have a brand new laptop (Asus N551VW, i7-6700HQ, 16 Gb ram) on which i installed Ubuntu 14.04 64bit and a new Samsung SSD 850 PRO 512Gb (latest firmware). I installed the default MySql 5.6.27 on the machine but I noticed a very VERY slow performance of the database (just creating a db and executing some migrations without any data takes around 33 seconds while on lower-hardware co-workers notebooks it takes like 3 seconds). Every sql statement seems to spend most time in "system lock" state, as i could see with a SHOW PROCESSLIST.
I thought it to be an hard drive issue, but executing the hard drive benchmark in Ubuntu gives 500 Mb/s read and 350 Mb/s write speed, which looks mostly normal.
I also tried updating to the new 4.2 kernel, but the issue still there. To make an experiment, i cloned the ssd on a normal hard drive, switched it in and connected the SSD externally with an usb box. I moved mysql data directory to the external disk, and retried the db creation: it took only 2.5 seconds.
Just out of curiosity i tried the same operation on an internal non-ssd disk: when the hd is plugged inside the laptop with sata, the database creation takes more than 2 minutes, while with the data dir on external usb (with the same physical disk) it took less than 10 seconds.
WORKAROUND: Add barrier=0 to root drive mount options with no other modification caused the same script to take 1.5 seconds instead of 33, with a 22x increase in performance.
I have opened his bug on askubuntu (http://askubuntu.com/questions/725182/ssd-extremely-slow-when-connected-with-internal-sata-ok-with-external-usb ) and it was suggested that this coud be an issue of the controller firmware/driver.
The problem is present both in trusty's default kernel (3.19.0-47.53) and in the 4.2 (4.2.0-25.30).
---
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: valerio 2776 F.... pulseaudio
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=e5eee076-9bfc-4547-bf85-0208b98b57a8
InstallationDate: Installed on 2016-01-06 (60 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 002: ID 04f2:b3fd Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. N551VW
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-generic root=UUID=5231fd09-180d-4fd2-bad5-e989207b11e7 ro quiet splash elevator=deadline vt.handoff=7
ProcVersionSignature: Ubuntu 4.2.0-30.36~14.04.1-generic 4.2.8-ckt3
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.2.0-30-generic N/A
linux-backports-modules-4.2.0-30-generic N/A
linux-firmware 1.127.20
Tags: trusty
Uname: Linux 4.2.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 11/13/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N551VW.205
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N551VW
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN551VW.205:bd11/13/2015:svnASUSTeKCOMPUTERINC.:pnN551VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN551VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: N551VW
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC. |
|
| 2016-03-07 22:19:01 |
Valerio |
tags |
amd64 apport-bug apport-collected latest-bios-205 trusty |
amd64 apport-bug apport-collected kernel-bug-exists-upstream kernel-bug-exists-upstream-4.5-rc7 latest-bios-205 trusty |
|
| 2016-03-07 22:28:51 |
Valerio |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2016-03-08 03:24:41 |
penalvch |
linux (Ubuntu): importance |
Low |
Medium |
|
| 2016-03-08 03:24:41 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Triaged |
|
