On 07/24/2017 06:28 PM, Rick Stevens wrote:
On 07/24/2017 06:17 PM, Sherman Grunewagen wrote:
<snip>
Anyway, I discovered that the 4.11.8 kernel does not
fix my wifi problems. It turns out that there is a nasty
interference issue between the wifi and the outboard USB
disk docking station. I've had it off since booting 4.11.8.
Today I turned it on while uploading files to another computer
and my wifi locked up same as before. When I had all the problems
earlier under 4.11.10, the USB disk was also running.
Have no idea how to fix this!
Not clear if the disk dock is part of a full-up docking station.
It's a StarTech single disk dock:
https://www.amazon.com/gp/product/B0055PL2YI/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
If it isn't, I'd try using a different USB port for the
disk.
USB port makes no difference.
Second, try to use shielded USB cables. Cheap USB cables--especially
for things like disks--are a bad idea.
Don't have any. Will have to order one.
Third, if you have an external wifi antenna, try changing its
orientation or get an extension cable (they are available) and move the
antenna away from the disk.
No external wifi.
If the disk is part of an integrated docking station, then I'd contact
the manufacturer and see if it's a) defective; or b) if this is a known
problem and they have a solution.
I think this is a known problem. After a lot of searching, found this:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1615774
See remarks in Post #9, just under the "messages" entries.
The difference is that my errors look like this:
https://ufile.io/0p7t1
After that my wifi runs abysmally slowly and eventually locks up.
I'll see many of these right after one another. I'm seeing lots
of others on the web getting similar messages in their logs. Seems to be related to
both the kernel and the iwlwifi firmware.
-Sherman
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