** Changed in: network-manager
Status: New => Fix Released
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Title:
Wifi not working after suspend/resume cycle
To manage notifications ab
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New => Confirmed
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** Changed in: network-manager
Status: Unknown => New
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Title:
Wifi not working after suspend/resume cycle
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** Tags added: ubuntu-certified
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Title:
Wifi not working after suspend/resume cycle
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Reported upstream as
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/issues/213
** Bug watch added: gitlab.freedesktop.org/NetworkManager/NetworkManager/issues
#213
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/issues/213
** Also affects: network-manager via
ht
The issue would probably be best reported upstream on
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/issues/
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Title:
Wifi not worki
** Also affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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Title:
Wifi not working after suspend/resume cycle
To man
Hello David, any new information on this problem?
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Title:
Wifi not working after suspend/resume cycle
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Restarting network-manager.service fixes the issue reliably. I'm going
to see if there is more in the log there to determine what is failing.
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Hi Andrea --
1) No D state processes
2) interestingly, `iwlist wlp4s0 scan` shows data like usual
3) rfkill shows everything off
I'm going to read up on how to connect to networks from iwconfig and see
if that helps me at all. I'm attaching a debug.txt file with a bunch of
the output you asked f
Interesting that the d3cold_allowed change made some differences (I'm
assuming it was failing 100% of the times before that change).
Few more questions. After a bad resume:
1) are there unkillable processes (D state) in the system (`ps axuw |
grep D`)?
2) does `sudo iwlist wlp4s0 scan` return an
Hi Andrea -- Thanks for the suggestion.
I attempted this and it seems to not help. The first suspend/resume
worked, and I was hopeful, but after 4 more attempts (obviously I have
reboots in between each failed attempt), it didn't prove to be a solid
option.
FYI, so far the comment I made in #3 s
Can you try to set the following before suspend:
echo 0 > /sys/class/net/wlp4s0/device/d3cold_allowed
And then test a suspend/resume cycle.
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Also note, the following sequence seems to avoid the problem so far (4/4
in testing, not conclusive, but it's looking good):
```
dpb@aries:~[]$ sudo modprobe -r iwlmvm
# Suspend/Resume, then...
dpb@aries:~[]$ sudo modprobe iwlmvm
```
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