** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1583437
Title:
Directly after boot there is no network
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Chris,
Attached as requested. It is from May. But kernel and drivers are same.
** Attachment added: "eth-error-dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1583437/+attachment/4696656/+files/eth-error-dmesg
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Steven, could you please attach (not pastebin) untarred/uncompressed an
example dmesg when this issue occurs?
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Title:
Directly after boot there
Chris,
Sorry it has taken me sometime to get to this.
I started working towards finding a kernel that does not have my
problem. I must have been mistaken on what version I thought did not do
this. as every mainline or Ubuntu kernel from 3 up to 4.7 I have this
issue with. Some are worse then
Steven, the next step is to fully commit bisect from kernel 3.13 to 4.4
in order to identify the last good kernel commit, followed immediately
by the first bad one. This will allow for a more expedited analysis of
the root cause of your issue. Could you please do this following
Christopher,
Removing Nvidia and AMD microcode got me bootable on mainline. I tried,
4.6.1, 4.6rc7, 4.7rc1, 4.7rc2. Each hand different errors and crashes
for unrelated things, however each did not resolve network issues. DMESG
was roughly the same as previous, minus the addition of not having
Steven, as an alternative, would the next most recent kernel (4.6.1)
provide a testable environment?
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Title:
Directly after boot there is no
Christopher,
After removing 4.7, and Nvidia drivers, then reinstalling 4.7. the
result is similar. While I did not get an error during install, the boot
failed with an exit the ASH. From what I gathered, The only thing
displayed was something about AMD-VI with a bunch of hex codes on many
lines.
Christopher,
I attempted to install 4.7, install failed related to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
drivers-361/+bug/1573508
Attempted boot regardless, as expected failed and exit to ASH during
boot.
I will remove 4.7 and change to open video card drivers and attempt
Steven, could you please test the latest mainline kernel (4.7-rc1) and
advise to the results?
** Tags added: latest-bios-fc
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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I tried Roberto's temp fix, this did not resolve my problem. also tried
it with networking instead of networkmanager. No dice.
I did however save the entire apport output to a file during the last
time it did this to me, it may help more then the output that was sent
with the initial bug report
I have the same problem.
I added "systemctl restart NetworkManager.service¨ to "/etc/rc.local" to solv
it temporarily
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Title:
Directly after
As requested, I used kernel 4.6 generic and problem still happens.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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I do not recall encountering the problem with kernel 3.13 on Ubuntu
14.04, I want to say that it was happening after 3.16, but that was some
time ago so I may be mistaken there.
I will install 4.6 tonight and report back with my findings.
Also, I forgot to mention that my bios is up-to-date with
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6
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