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Old 07-12-2016, 09:38 AM   #1
anarcho-syndicalist
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Wifi doesn't resume after waking from suspend in16.04


So, I managed to get my Killer 1535 wifi working in Ubuntu 16.04. However, there seems to be a nagging problem that everytime I suspend my laptop, on wake-up the wifi adapter is not available.

A full restart and/or shutdown and re-start, however, makes it available again! This problem also does not affect any USB wifi adapter.

Using:

sudo systemctl restart network-manager.service

resets the adapter but does not bring wireless back up. Still tells me "No network devices available".

A reboot, however, immediately fixes the issue.



I got the firmware using:
wget http://mirrors.kernel.org/ubuntu/poo...#8203;_all.deb

sudo dpkg -i linux-firmware*.deb

sudo modprobe -r ath10k_pci && sudo modprobe ath10k_pco


Any ideas?
 
Old 07-12-2016, 02:49 PM   #2
nini09
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Dump dmesg after suspend and wake-up again.
 
Old 07-13-2016, 12:33 AM   #3
anarcho-syndicalist
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Could you be a little more specific, please? Thanks.
 
Old 07-13-2016, 02:37 PM   #4
nini09
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Normally, if there is any error or warning in WiFi driver, it will output in dmesg at tail.
 
Old 07-13-2016, 07:21 PM   #5
jefro
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nini09 suggests to use the terminal command dmesg.

http://www.tecmint.com/dmesg-commands/

Other tools may be to use ifconfig/ip other network control, look at acpi issues, see if laptop has a physical switch to resume/on/off wifi

Last edited by jefro; 07-14-2016 at 02:31 PM.
 
Old 07-14-2016, 12:47 AM   #6
anarcho-syndicalist
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@jefro It's an Alienware R3 (2016) model, so no physical buttons. I will look into the acpi issues...
 
Old 07-14-2016, 02:31 PM   #7
jefro
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Did you look at the command nini09 suggested?
 
  


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