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Hewjr100
July 26th, 2017, 12:24 AM
Having a seriousissue with Ubuntu 16.04.2, 16.10, 17.04 and 17.10 I have been tryingto dual boot with these version of Ubuntu, but I come across andissue with restarting/shutting down. All of them work fine for about3 or 4 restarts/reboots,but then the last time I shutdown I get ablack screen, a white blinking curser, and random number followed bythe following:


wlol station notfound.
Iwifi key notremoved


BTW my wifi isworking fine. Also tried dual booting with windows 10 EFI, then re installed windows 10 in Legacy/Bios and same error occurs.


Henry

Hewjr100
July 27th, 2017, 07:25 PM
Here is a picture I took of error messages:

276155

BenginM
July 28th, 2017, 02:49 AM
Salutations! hiya Henry ..

I presume the machine is the desktop HP Pavillion 15-bc220nr as in your signature , and is the BIOS up-to-date!


paste the result of these commands in a
tag like so:



[CODE]

$ lspci -k
$ dmesg | grep iwlwifi
$ iwconfig
$ iwlist scan wlo1
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date




Also , please run the wireless info script in this thread :

https://ubuntuforums.org/forumdisplay.php?f=336

and paste the result in a [Code] tags as well..

we might want to have a look at the full dmesg and kernel/logs which are in /var/log/

run :

sudo cat /var/log/dmesg | curl -F '*******=<-' http://*******.us

do the same with the kernel log , and post the result links here .. Thanks!

Hewjr100
July 28th, 2017, 01:16 PM
here we go.


$ dmesg | grep iwlwifi[ 13.179868] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-7265D-26.ucode failed with error -2
[ 13.179877] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-7265D-25.ucode failed with error -2
[ 13.188686] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-7265D-24.ucode failed with error -2
[ 13.188692] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-7265D-23.ucode failed with error -2
[ 13.210451] iwlwifi 0000:04:00.0: loaded firmware version 22.391740.0 op_mode iwlmvm
[ 13.565117] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210
[ 13.567604] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 13.568038] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 13.644977] iwlwifi 0000:04:00.0 wlo1: renamed from wlan0
[ 18.040867] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 18.041786] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 18.107804] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 18.108239] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 18.133653] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 18.134093] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 18.199668] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 18.200104] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled

wlo1 IEEE 802.11 ESSID:"Hewjr100-5G"
Mode:Managed Frequency:5.785 GHz Access Point: 54:65:DE:40:C0:B5
Bit Rate=300 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=53/70 Signal level=-57 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:250 Missed beacon:0


lo no wireless extensions.


eno1 no wireless extensions.

sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
[sudo] password for henry:
F.38
05/24/2017

Henry

BenginM
July 29th, 2017, 03:46 AM
Alright ..

dmesg showed us :

iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210

your 7265 device is a 'D' version , and the latest firmware version for it is -29.ucode

the current kernel is loading the Intel microcode firmware 22 ..

iwlwifi 0000:04:00.0: loaded firmware version 22.391740.0 op_mode iwlmvm

the iwlwifi should at least load and use -16. , or -25 ..
according to
https://wireless.wiki.kernel.org/en/users/Drivers/iwlwifi

22 is for kernel base 3.13+ .. i don't know which ubuntu version you're currently settled with ..

but -29.ucode isn't there .. So, either get 25 , or 16 and test them ..


## let me brake it down for you ..

The Intel AC 7265 card uses the iwlwifi kernel module, and the microcode for that is stored in /lib/firmware. The iwlwifi module is part of the ‘linux-firmware’ package.
Specifically, you’re looking for the files: iwlwifi-7265D-SOME_NUMBER.ucode.

you can see these files with ls -al /lib/firmware | grep 7265 , or using the file manager and browse to /lib/firmware

So, i suppose you may download them using the web browser , and run the file manager as root,if you have nautilus files manager in terminal run : gksu nautilus

https://wireless.wiki.kernel.org/_media/en/users/drivers/iwlwifi-7265-ucode-25.30.13.0.tgz

-16.ucode is for kernel base 4.3+
https://wireless.wiki.kernel.org/_media/en/users/drivers/iwlwifi-7265-ucode-16.242414.0.tgz

and copy the files from whichever directory you downloaded them , and got to /lib/firmware and paste them there ..

You can now load the driver...

$ sudo modprobe -r iwlwifi

and

sudo modprobe iwlwifi

now check again the proper firmware is loaded with ..

$ dmesg | grep iwlwifi

I still don't think the firmware is the cause of the issue you're having with reboot/shutdown , i mean the symptoms you get are black screen, a white blinking curser .. seems to me more like a Graphic issue with GPU driver or a missconfiguration .. if this issue is on the HP modle in your signature , i just looked up it's specs .. Nice laptop! the machine has a dual graphics with the on bord Intel® HD Graphics 630 and the discrete NVIDIA GeForce GTX 1050.. maybe the cause coming from one these .. did you install the proper nvidia driver from the additional drivers section ?!

I mean, i've seen a Boardcom wielress card cusing system freeze/hang and kernel panics , but never heard or seen such thing coming from an Intel Card .. The Intel guys knows what ther're soing , i've never had an issue with an Intel.

So, let us know about the status about the graphics on this machine ..

the only report i found regarding one of the errors in the image you've taken " wlo1 failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware"

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1631217

which doesn't say much , bay the way .. what are the security encryption mode set in the main router ..!