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I am using Kubuntu 16.04 on this PC (http://www.hpshopping.in/HP_Pavilion_Notebook_-_15-ab549tx).

The problem that I am facing is:

On startup this shows up before the login screen:

Screenshot

At times it is just stops at this screen and doesn't move to the login screen. Or while it shuts down it stops at this screen.

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up vote 1 down vote accepted

This issue is related to the wifi adapter and 6th gen intel processors. Several new notebooks have reported such issue.

Use this link ( about the adding paramter to kernel here) to understand about adding kernel boot paramter temporarily and making it permanent. Then,

Add the parameter , pci=nomsi

And reboot.

If the problem is solved then make the change permanent. If does not work then try,

pci=noaer

same way and make it permanent if this works.

(*Reason for appearance is related to the recent Intel Skylake architecture CPUs and Realtek rtl8723be wireless adaptor.

The ubuntu team knows about it. Read more here Bug_track_ubuntu_PCIe bus error )

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is there any difference between the two pci=nomsi & pci=noaer? I tried pci=nomsi which works but makes my PC boot very slow close to 2mins 15 secs – Abhishek Bhatia May 21 '16 at 12:13
    
@Abhishek : I do not know the difference. Sorry. 2 mins is a long time ! – ankit7540 May 21 '16 at 12:33
    
The error is still there paste.ubuntu.com/16556672 . I guess it just doesn't output it. – Abhishek Bhatia May 21 '16 at 12:49
    
oh ! seems like this is a serious bug – ankit7540 May 21 '16 at 13:25

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