On 07/24/2017 07:54 PM, Sherman Grunewagen wrote: > 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. Ah! Looking at that beastie, I'm thinking the fan may be the issue. Having a big old fan exposed like that (not in a shielded chassis) might cause enough EMF noise to screw with your wifi. If there's a way to disable the fan, I'd give it a whirl just to see if that's the problem. ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - - - - Death is nature's way of dropping carrier - ---------------------------------------------------------------------- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
