Public bug reported:
We use Dell Optiplex 7010 machines in our student lab. These machines
are capable of suspending and resuming, so that we don't waste power
during the night. In our lab we also use LDAP authentication for the
students. The problem is that networking is disabled once the
** Attachment added: version.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1352379/+attachment/4169576/+files/version.log
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apport information
** Tags added: apport-collected trusty
** Description changed:
We use Dell Optiplex 7010 machines in our student lab. These machines
are capable of suspending and resuming, so that we don't waste power
during the night. In our lab we also use LDAP authentication for the
apport information
** Attachment added: ProcCpuinfo.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169657/+files/ProcCpuinfo.txt
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** Attachment added: WifiSyslog.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169663/+files/WifiSyslog.txt
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** Attachment added: UdevLog.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169662/+files/UdevLog.txt
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** Attachment added: BootDmesg.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169651/+files/BootDmesg.txt
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** Attachment added: ProcEnviron.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169658/+files/ProcEnviron.txt
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** Attachment added: ProcModules.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169660/+files/ProcModules.txt
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** Attachment added: Lsusb.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169656/+files/Lsusb.txt
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** Attachment added: CRDA.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169653/+files/CRDA.txt
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** Attachment added: Lspci.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169655/+files/Lspci.txt
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** Attachment added: ProcInterrupts.txt
https://bugs.launchpad.net/bugs/1352379/+attachment/4169659/+files/ProcInterrupts.txt
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** Attachment added: CurrentDmesg.txt
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** Attachment added: UdevDb.txt
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** Changed in: linux (Ubuntu)
Status: Incomplete = New
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https://bugs.launchpad.net/bugs/1352379
Title:
Network broken after resume
Status in “linux” package in
We have upgraded the BIOS of the machine:
# sudo dmidecode -s bios-version sudo dmidecode -s bios-release-date
A18
04/30/2014
We now find that after a reboot, the first suspend and resume cycle
takes long: after pressing enter in the password screen it takes about
60 seconds to either log that
The first time it takes 60 seconds to log in, and it seems that
networking is broken during that time.
Subsequent logins take only three seconds, and also see almost no
downtime in networking.
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Yes, it takes roughly 60 seconds before networking is started.
Hibernation would not be an option for us, the hardware is capable of
resuming, and the subsequent attempts show that it should be able to do
so quickly.
Attached is a log again of login, suspend, and resume cycles.
16:02:27 the
Just a note, I'm not 100% certain that it was completely broken before
the bios update. It could very well be that it had the same 60 second
delay. Then again, that long a delay means broken in my eyes anyway. No
user is going to wait that long to log back in every time his system
suspends.
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