I ran a new test and booting in failsafe mode prevents the network from
shutting down.
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https://bugs.launchpad.net/bugs/997767
Title:
Network connection is lost after some hours of
apport information
** Description changed:
Since I upgraded to Kubuntu 12.04 I started to experience this issue:
after some hours of inactivity of my desktop, network connection
suddenly disappears. This means that the server is not reachable anymore
from the network. By inactivity I
Please, refer to the last set of logs. Due to a mistake I collected
information from the wrong system.
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Title:
Network connection is lost after
** Description changed:
Since I upgraded to Kubuntu 12.04 I started to experience this issue:
after some hours of inactivity of my desktop, network connection
suddenly disappears. This means that the server is not reachable anymore
from the network. By inactivity I mean direct user input:
OK, so I reckon from you're second apport collect it's the
RTL8139 ethernet that's eth1 which is the one you're using - using the 8139too
driver
** Summary changed:
- Network connection is lost after some hours of inactivity and comes up again
on user interaction
+ Network connection [rtl8139
I'm setting this to Linux; given the test output it does look like the
interface is still up and the machine hasn't gone to sleep; I can't
quite see what would happen after user interaction though.
** Package changed: ubuntu = linux (Ubuntu)
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apport information
** Tags added: apport-collected
** Description changed:
Since I upgraded to Kubuntu 12.04 I started to experience this issue:
after some hours of inactivity of my desktop, network connection
suddenly disappears. This means that the server is not reachable anymore
from
That is the first thing I checked days ago: Settings-Power Management
is completely disabled on this system. By disabled, I mean I can do
nothing, I get a message saying:
Power Management configuration module could not be loaded. The Power
Management Service appears not to be running. This can be
I tested with an old kernel (2.6.38-11 was working) and I reproduced
this issue.
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Title:
Network connection is lost after some hours of
Is this something as simple as the machine going into suspend/sleep when
you aren't typing at it?
I'd go into the KDE system settings-Power Management and check the
options; in particular the 'suspend session' option.
Dave
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I did a new test and it seems the problem manifests only when KDE/X11 is
running. I tried to stop X and remaining on the terminal only and it
seems it is still up.
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I attach my dmesg output. It can be clearly seen that no interaction is
logged for some time and at a certain point the USB mouse was plugged in
at the end. That is when the connection came up again.
** Attachment added: dmesg output
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