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WiFi keeps dropping

asked 2015-08-11 12:31:09 -0600

alexk gravatar image

I'm running a fully up-to-date Fedora on a Macbook Pro. To get WiFi working in the first place, I installed akmods-wl as recommended. The WiFi works, but the connection keeps dropping. I've noticed this is especially true when there are several devices on my WiFi (when I'm the only person in the house it's usually OK although it still drops, when roommates come in with their laptops + their phones, the drop rate increases).

When connection drops it's usually down for 30 seconds-1 minute before reconnecting. In worst cases this happens every couple of minutes. I have another laptop running Fedora and the WiFi is fine on there, even when there are many devices in the network.

My wireless card:

$ lspci | grep Broadcom
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM57765 Gigabit Ethernet PCIe (rev 10)
01:00.1 SD Host controller: Broadcom Corporation BCM57765/57785 SDXC/MMC Card Reader (rev 10)
02:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02)

iwconfig on my wireless interface:

$ iwconfig wlp2s0 
wlp2s0    IEEE 802.11abg  ESSID:"2WINDRUSH"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 44:E9:DD:0E:7F:00   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off

dmesg shows lots of these two errors:

...
[11387.414926] ERROR @wl_cfg80211_get_tx_power : error (-1)
[11507.449435] ERROR @wl_dev_intvar_get : error (-1)
[11507.449440] ERROR @wl_cfg80211_get_tx_power : error (-1)
[11627.486001] ERROR @wl_dev_intvar_get : error (-1)
[11627.486008] ERROR @wl_cfg80211_get_tx_power : error (-1)
[11631.113431] ERROR @wl_dev_intvar_get : error (-1)
...

Couldn't find any solutions for Fedora regarding this issue. Found some from Arch Wiki and Ubuntu but they didn't work for me (they were also dealing with different versions of the Broadcom wireless card)

Even if no one has any clear tips for me, can someone explain what those two errors in dmesg mean?

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answered 2015-08-11 19:04:40 -0600

I was having the same problem until I went into the router and changed the channel to a fixed channel. Since then I have not had a drop. Note: the channel would have to be one that others close in proximity to you does not use.

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answered 2017-07-07 11:42:06 -0600

I'm running Fedora 25 using KDE Plasma and my Wi-Fi keeps dropping the underlying hardware is a Surface Pro 3 and it has the Marvell Astra Wi-Fi adapter 88w8897.

I switched off IPv6 and it seems to have resolved my issue, i'm now 4 days on from doing the above and I've not had any Wi-Fi drops so far. It even comes back from suspend without any isssues now. This used to be a problem area where as when i come back from suspend or hibernate the system would not have connectivity.

Hopefully this the end of that issue.

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You disable ipv6 simply going into your network manager and changing the wifi setting right? Just making sure I fix mine the same way you did :)

fedoraSPwifi gravatar imagefedoraSPwifi ( 2018-01-09 11:23:53 -0600 )edit

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Asked: 2015-08-11 12:31:09 -0600

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Last updated: Aug 11 '15