ubuntu 16.04 became VERY slow

[robert rottermann]

thanks colin
On 19.12.2016 09:56, Colin Law wrote:
> On 19 December 2016 at 08:40, robert rottermann <robert at redcor.ch> wrote:
>> Hi there,
>>
>> i am using ubuntu 16.04 on on a reasonably modern box.
>>
>> During the last couple of weeks it has become unbearably slow.
> Slow doing what?
everything  :(
switching from one window to an other with alt tab, can take 2secs or so.
>
> If you run
> tail -f /var/log/syslog
> which will show syslog as it is written to do you see significant
> activity there or anything like looks like ongoing errors?
no, here it is (and it seems rather static)

root at mozart:/home/robert# tail -f /var/log/syslog -n 30

Dec 19 10:09:24 mozart systemd[1]: Started ACPI event daemon.

Dec 19 10:09:24 mozart systemd[1]: Started CUPS Scheduler.

Dec 19 10:09:24 mozart smartd[12445]: Device: /dev/sdb [SAT], is SMART capable. Adding to "monitor" list.

Dec 19 10:09:24 mozart smartd[12445]: Monitoring 2 ATA and 0 SCSI devices

Dec 19 10:09:25 mozart smartd[12445]: Device: /dev/sda [SAT], state written to /var/lib/smartmontools/smartd.ST31000524AS-9VPGLDY0.ata.state

Dec 19 10:09:25 mozart smartd[12445]: Device: /dev/sdb [SAT], state written to /var/lib/smartmontools/smartd.WDC_WD10EALX_089BA0-WD_WCATR8111487.ata.state

Dec 19 10:10:01 mozart com.ubuntu.OneConf[2986]: WARNING:oneconf.hosts:Error in loading other_hosts file: [Errno 2] No such file or directory: '/home/robert/.cache/oneconf/813e56ef1c4f171bda95b46b5448007c/other_hosts'

Dec 19 10:10:50 mozart systemd[1]: dev-sdc2.device: Job dev-sdc2.device/start timed out.

Dec 19 10:10:50 mozart systemd[1]: Timed out waiting for device dev-sdc2.device.

Dec 19 10:10:50 mozart systemd[1]: Dependency failed for /dev/sdc2.

Dec 19 10:10:50 mozart systemd[1]: dev-sdc2.swap: Job dev-sdc2.swap/start failed with result 'dependency'.

Dec 19 10:10:50 mozart systemd[1]: dev-sdc2.device: Job dev-sdc2.device/start failed with result 'timeout'.

Dec 19 10:10:50 mozart systemd[1]: dev-sdc1.device: Job dev-sdc1.device/start timed out.

Dec 19 10:10:50 mozart systemd[1]: Timed out waiting for device dev-sdc1.device.

Dec 19 10:10:50 mozart systemd[1]: Dependency failed for /dev/sdc1.

Dec 19 10:10:50 mozart systemd[1]: dev-sdc1.swap: Job dev-sdc1.swap/start failed with result 'dependency'.

Dec 19 10:10:50 mozart systemd[1]: dev-sdc1.device: Job dev-sdc1.device/start failed with result 'timeout'.

Dec 19 10:14:57 mozart gnome-session[3127]: (gnome-software:3222): As-WARNING **: failed to rescan: Failed to parse /usr/share/applications/gsmartcontrol.desktop.dpkg-new file: cannot process file of type text/plain

Dec 19 10:14:57 mozart gnome-session[3127]: (gnome-software:3222): As-WARNING **: failed to rescan: Failed to parse /usr/share/applications/gsmartcontrol.desktop file: cannot process file of type application/x-desktop

Dec 19 10:15:00 mozart gnome-session[3127]: (gnome-software:3222): As-WARNING **: failed to rescan: Failed to parse /usr/share/applications/bamf-2.index file: cannot process file of type text/plain

Dec 19 10:15:01 mozart gnome-session[3127]: (gnome-software:3222): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered

Dec 19 10:15:02 mozart /usr/lib/snapd/snapd[1139]: daemon.go:174: DEBUG: uid=1000;@ GET /v2/snaps 28.332762ms 200

Dec 19 10:15:03 mozart gnome-session[3127]: (gnome-software:3222): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered

Dec 19 10:15:03 mozart gnome-session[3127]: (gnome-software:3222): Gs-WARNING **: Failed to create permission org.freedesktop.packagekit.trigger-offline-update: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Action org.freedesktop.packagekit.trigger-offline-update is not registered

Dec 19 10:15:07 mozart gnome-session[3127]: (gnome-software:3222): Gs-WARNING **: gimp.desktop changing management plugin PackageKit->apt

Dec 19 10:15:10 mozart gnome-session[3127]: (gnome-software:3222): GsPlugin-WARNING **: failed to load stock icon hotwire-openssh: Icon 'hotwire-openssh' not present in theme (null)

Dec 19 10:15:11 mozart gnome-session[3127]: (gnome-software:3222): GsPlugin-WARNING **: failed to load stock icon preferences-system: Icon 'preferences-system' not present in theme (null)

Dec 19 10:15:14 mozart gnome-session[3127]: (gnome-software:3222): GsPlugin-WARNING **: failed to load stock icon preferences-system: Icon 'preferences-system' not present in theme (null)

Dec 19 10:15:14 mozart gnome-session[3127]: (gnome-software:3222): GsPlugin-WARNING **: failed to load stock icon hotwire-openssh: Icon 'hotwire-openssh' not present in theme (null)

Dec 19 10:17:01 mozart CRON[13580]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)


>
> Run the Disks utility and look at the SMART data and check it says the
> disk is ok
I checked with GSmartControl, and both disks indicate:
Overall Health Self-Assessment Test: PASSED

more ideas?
thanks
robert
>
> Colin
>