Public bug reported:
I tested this installing the Disks tool and running a read-only
benchmark. The transfer rate is very slow (2-3 MB/s) unless I'm moving
the cursor, then it jumps up.
As I understand this could have something to do with triggering/handling
interrupts. In this context it might be relevant to know that installing
and running Xenial, I now need to have nolapic or noapic (or both) for
the system to work at all. This is not the case with Trusty (also
installed on this machine).
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-22-generic 4.4.0-22.40
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: diskdoc 1089 F.... pulseaudio
CurrentDesktop: XFCE
Date: Wed Jun 8 00:07:19 2016
HibernationDevice: RESUME=UUID=522810df-638a-412b-9aab-791e2e2bc545
InstallationDate: Installed on 2016-06-07 (0 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: Hewlett-Packard HP Compaq 6715s (RU655ET#AK8)
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic
root=UUID=3a37ee65-4c02-4a95-b814-f4538a4a308d ro noapic quiet splash
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-22-generic N/A
linux-backports-modules-4.4.0-22-generic N/A
linux-firmware 1.157
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/25/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68YTT Ver. F.0E
dmi.board.name: 30C2
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 71.2D
dmi.chassis.asset.tag: CNU7201T8J
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr68YTTVer.F.0E:bd11/25/2008:svnHewlett-Packard:pnHPCompaq6715s(RU655ET#AK8):pvrF.0E:rvnHewlett-Packard:rn30C2:rvrKBCVersion71.2D:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Compaq 6715s (RU655ET#AK8)
dmi.product.version: F.0E
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
** Summary changed:
- System slow unless moving touchpad
+ System slow unless using touchpad
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1590154
Title:
System slow unless using touchpad
Status in linux package in Ubuntu:
New
Bug description:
I tested this installing the Disks tool and running a read-only
benchmark. The transfer rate is very slow (2-3 MB/s) unless I'm moving
the cursor, then it jumps up.
As I understand this could have something to do with
triggering/handling interrupts. In this context it might be relevant
to know that installing and running Xenial, I now need to have nolapic
or noapic (or both) for the system to work at all. This is not the
case with Trusty (also installed on this machine).
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-22-generic 4.4.0-22.40
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: diskdoc 1089 F.... pulseaudio
CurrentDesktop: XFCE
Date: Wed Jun 8 00:07:19 2016
HibernationDevice: RESUME=UUID=522810df-638a-412b-9aab-791e2e2bc545
InstallationDate: Installed on 2016-06-07 (0 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
MachineType: Hewlett-Packard HP Compaq 6715s (RU655ET#AK8)
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic
root=UUID=3a37ee65-4c02-4a95-b814-f4538a4a308d ro noapic quiet splash
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-22-generic N/A
linux-backports-modules-4.4.0-22-generic N/A
linux-firmware 1.157
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/25/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68YTT Ver. F.0E
dmi.board.name: 30C2
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 71.2D
dmi.chassis.asset.tag: CNU7201T8J
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr68YTTVer.F.0E:bd11/25/2008:svnHewlett-Packard:pnHPCompaq6715s(RU655ET#AK8):pvrF.0E:rvnHewlett-Packard:rn30C2:rvrKBCVersion71.2D:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Compaq 6715s (RU655ET#AK8)
dmi.product.version: F.0E
dmi.sys.vendor: Hewlett-Packard
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