Same issue here on a Thinkoad P70, as a workaround I keep switching airplane
mode on & off until the Wifi adapter gets detected again. Using bluetooth on
this laptop is a bit erratic too
(have to switch on & off multiple times). I've got the impression that it might
be caused by some USB issue a
S
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https://bugs.launchpad.net/bugs/1558252
Title:
Intel 8260 / iwlwifi Occasionally unusuable after restart
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The problem persists. Thinkpad P50 BIOS 1.62 (latest) Ubuntu 20.04.1 kernel
5.4.0-42-generic.
Some time after a restart or cold start, wifi is unusable. Under system
settings wifi item is not available.
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The problem persists. Thinkpad P50 BIOS 1.60 (latest) Ubuntu 20.04 kernel
5.4.0-28-generic.
Some time after restart wifi is unusable. Under system settings wifi item is
not available.
Previously I used Fedora 30 and 31 with the same problem. After several
restarts or if I shut down and power off
Please have a look at this solution:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590985
Post #9
I had a similar issue after restarting a Lenovo thinkpad T520 (iwlwifi on a
Centrino 6205).
After a cold start, not all the time. Sometimes I needed up to 4 restart before
the wifi connexio
I'm also seeing the same problems running Ubuntu 16.04 on an Intel
NUC6i5SYK. I installed Ubuntu a couple of days ago starting with kernel
4.4.0-21-generic, here the wifi worked most of the time. Updating to
kernel 4.4.0-22-generic made this problem even worse. Now wifi doesn't
work at all, even af
I'm seeing similar problems. The Intel 8260 provides bluetooth as we
well as wifi connectivity. It seems that for me Wifi can't be enabled
until bluetooth is enabled. I'm using linux 4.4.0-18-generic
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I was able to trigger this again today on 4.4.0-16:
[ 13.665350] iwlwifi :04:00.0: Unsupported splx structure
[ 13.678584] iwlwifi :04:00.0: Direct firmware load for
iwlwifi-8000C-19.ucode failed with error -2
[ 13.679439] iwlwifi :04:00.0: Direct firmware load for
iwlwifi-8000
I tested 4.5.0-040500-generic, did 20 reboots/shutdown cycles, both
powered and on battery. I haven't been able to trigger the issue again.
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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I am on Debian Testing and have the same problem with kernels 4.3 and
4.4 (Debian one's) as well as 4.5 (compiled from unmodified source with
Debian config). Sometimes I have to reboot around 10 times to get a
connected with NetworkManager, although the device seems to be available
through iwconfig
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.5 kernel[0
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