To start, I want to say that I am newbie to linux so please be patient. The problem I encountered for some months (and finally I want and have time to solve it) is that at home the router is pretty far (20m and some walls between us) from my desk and the signal and connection on debian is vey low and unstable. It would be a big pain to move it, and if my driver is the problem, I should solve it. From what I've seen the connection drops constantly from speeds of 500-1000 Kib/s to 0Kib/s (it does not disconnect, just the speed drops). Let's say that usually it stays at 0 Kib/s around 20-40 seconds. The rate at which it drops connection makes it unusable....
On windows I got no problem, I think I can get around 2MB/s stable download speed, it's actually pretty good for my normal usage.
Firstly I thought that if I manage to keep the card working (downloading / uploading all the time) it won't go in "sleep" mode. And I kept pinging some IP but it didn't show some better results. This issue was also encountered on ubuntu 16.04 (I got debian on february).
Some info about my system:
uname -a
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Linux mircea 4.9.0-2-amd64 #1 SMP Debian 4.9.13-1 (2017-02-27) x86_64 GNU/Linux
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08:00.0 Network controller [0280]: Broadcom Limited BCM4352 802.11ac Wireless Network Adapter [14e4:43b1] (rev 03)
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08:00.0 Network controller: Broadcom Limited BCM4352 802.11ac Wireless Network Adapter (rev 03)
Subsystem: Lenovo BCM4352 802.11ac Wireless Network Adapter
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at d1600000 (64-bit, non-prefetchable) [size=32K]
Memory at d1400000 (64-bit, non-prefetchable) [size=2M]
Capabilities: [48] Power Management version 3
Capabilities: [58] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [68] Vendor Specific Information: Len=44 <?>
Capabilities: [ac] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [13c] Device Serial Number 2c-33-00-ff-ff-00-00-01
Capabilities: [150] Power Budgeting <?>
Capabilities: [160] Virtual Channel
Kernel driver in use: wl
Kernel modules: bcma, wl
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enx0c5b8f279a64 no wireless extensions.
enp9s0 no wireless extensions.
wlp8s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=off
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
lo no wireless extensions.
Also I don't know where I read it but it was specific to my laptop (lenovo y50-70). It was a solution to swap the connectors on the card. I never tried that because it seemed stupid (how can swapping make that even work?), but if it seems a reasonable to you, I will try it.
Any help would be awesome
Thanks!