Good Day All,
There are numerous results when searching google on this issue, however, none seem to have a solution.
I have read until my eyes bleed and banged my head on the table more than once!
I am hoping to resolve this issue -- or at least have a decent workaround.
It is a real pain not to be able to put my laptop in standby knowing that if I do, I will have to reboot to regain my wireless connectivity.
I have copied snippets from **lshw** which first shows what type of system we are dealing with and then the state that the
wireless adapter is left in after going into sleep mode.
Unloading and reloading the drivers, obviously, has no effect. The card stays disabled.
My question: Is there a way (via scripting or creating a small piece of executable code) to access the hardware, turn the wireless adapter back on,
and reload the drivers to regain connectivity without rebooting?
I am using Fedora 21 with the most recent kernel updates...
I can provide whatever other information that might be needed for this project very expeditiously.
Many people will be benefited by a workaround for this issue.
What modules are loaded to deal with this adapter? You may need to rmmod them, modprobe them, and restart the service for that network device.
It may be simply buggy, however. Realtek is at least enthusiastic for linux, but as for actual quality, their drivers are very poor.
Thank you for your reply.
Previously, I had only unsed modprobe for removing and reloading the drivers.
I will try rmmod to see if that uses a different (maybe more thorough) method.
Using modprobe didn't work because the card itself somehow became "disabled" in the suspend process.
I started to wonder if there wasn't something like an internal "wake up" signal that I could send to the adapter, from a terminal,
that would allow the driver reload to be effective.
That is what prompted my post.
This has been on the RedHat bug list for a long time.
I am hoping to find some kind of a workaround until they get it fixed.
Previously, I had only unsed modprobe for removing and reloading the drivers. I will try rmmod to see if that uses a different (maybe more thorough) method.
Probably not.
Quote:
Using modprobe didn't work because the card itself somehow became "disabled" in the suspend process.
Suspend in linux tends to work badly with buggy drivers.
---------- Post updated at 03:26 PM ---------- Previous update was at 02:28 PM ----------
I forgot to answer you question about the modules involved... ---------- Post updated at 03:38 PM ---------- Previous update was at 03:26 PM ----------
We'll I unloaded the driver stack prior to suspend.
Then I opened the lid of the laptop and ran:
It appears that it is not the driver stack that is causing the card to become disabled...
Maybe it the ACPI??
I did notice that the system log shows a notice that the generic ACPI should be replaced by a proprietary driver if available...
Thoughts?
Last edited by RogerBaran; 05-25-2015 at 05:56 PM..
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