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#1 2015-12-29 00:41:24

issdar
Member
Registered: 2015-12-29
Posts: 2

ath10k_pci wireless module dissapears after system resume

Hello all,

I have a killer 1535 wireless card which I manually copied firmware files in order to get working on latest revision of arch. I am able to connect to my wireless network automatically on boot using networkmanager package. However when I close my laptop like or issue systemctl suspend my wireless device goes missing and if I unload and reload module with modprobe command it still will not come back up. iw dev does not show any devices. It does not say anything in dmesg regarding the ath10k_pci in regards to resuming the device or suspending it. What can I do to figure out why my device is getting disabled/removed on system suspend? Only way I can get wireless back is with a reboot. Thanks all

Update: lspci returns I have 0 network devices (Ethernet or wireless) after system resume, I am also missing my realtek card reader. The device IDs start with 3b,3c,3d that are missing after resume.

Last edited by issdar (2015-12-29 00:46:31)

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#2 2015-12-29 19:38:15

issdar
Member
Registered: 2015-12-29
Posts: 2

Re: ath10k_pci wireless module dissapears after system resume

Does anyone have any ideas? I just did a clean install of arch kernel 4.2.5-1-ARCH x86_64 and still when I suspend and resume I am missing pci devices including Ethernet controller, wireless controller, and realtek card reader.

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#3 2015-12-30 06:09:43

wtx
Member
Registered: 2014-06-09
Posts: 90

Re: ath10k_pci wireless module dissapears after system resume

Hi,

Could you send your kernel messages (using "dmesg") into some site like pastebin.com - from both states: just after reboot (when ath10k_pci is working) and after resume (when ath10k_pci is not visible) and put links to both here? We will take a look at them.

Also - you can try to recompile kernel on your own, but with some option enabled in menuconfig:
Bus options (PCI etc.)  ---> Default ASPM policy (Powersave)  ---> Powersave

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