[Bug 1585863] Re: WiFi malfunction after suspend & resume stress - sudo wpa_cli scan required to fix it.
Aleve Sicofante
asicofante at gmail.com
Thu Aug 4 08:53:22 UTC 2016
@auspex: Your script doesn't work here. I just created it and gave it
execution permissions, rebooted and tried a sleep/resume cycle. No dice.
I'm just amazed no one from Canonical is chiming in. This has been
happening from the very moment I installed 16.04 on its release day and
it happens in the two laptops I use (Lenovo T400 and Dell Studio 1537,
both with Intel wireless cards). It's so obvious I didn't even try to
file a bug understanding it would be naturally solved by 16.04.1 at the
latest... I'm truly amazed in the worst sense.
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https://bugs.launchpad.net/bugs/1585863
Title:
WiFi malfunction after suspend & resume stress - sudo wpa_cli scan
required to fix it.
Status in NetworkManager:
New
Status in OEM Priority Project:
New
Status in OEM Priority Project xenial series:
New
Status in network-manager package in Ubuntu:
Confirmed
Bug description:
Description: Ubuntu Yakkety Yak (development branch)
Release: 16.10
Packages:
libnm-glib-vpn1:amd64 1.2.2-0ubuntu2
libnm-glib4:amd64 1.2.2-0ubuntu2
libnm-util2:amd64 1.2.2-0ubuntu2
libnm0:amd64 1.2.2-0ubuntu2
network-manager 1.2.2-0ubuntu2
Reproduce steps:
1. Install fwts by `sudo apt-get install fwts`.
2. Run the suspend & resume stress test.
sudo fwts s3 --s3-multiple=30 --s3-min-delay=5 --s3-max-delay=5 --s3-delay-delta=5
Expected result:
The WiFi still functioned.
Actual result:
The WiFi can not connect to any access point and we have to execute `sudo wpa_cli scan` manually to make it work again.
P.S. Ubuntu 16.04 also has the same issue.
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