Bug#823156: linux-image-4.5.0-0.bpo.1-amd64: Backport Kernel breaks kwin (FATAL ERROR, while trying to open display)
This bug is continued in #823444.
Ben Hutchings:
> Control: reopen -1
> Control: tag -1 moreinfo
>
> On Mon, 2016-05-02 at 16:38 +0200, Maria wrote:
>> thanks to your kind hints how to gather the information I was able to
>> fill this out with more information.
>
> Thank you for responding.
>
>> Actually I have to correct my information in the original post: It was
>> not Linux Mint which managed to use WLAN (it actually didn't).
>> It was the new Kubuntu 16-04 which managed to use WLAN. I didn't use it
>> as other things where too much of a mess. I tried so much Distros these
>> two days I must have mixed it up - sorry.
>> So here is the additional information.
>>
>> For more Information about my Kernelmessages please have a look at the
>> attached Textfiles.
>>
>> Thanks alot for your kind work - Maria
>>
>>
>> -- Package-specific info:
>> ** Version:
>> Linux version 4.5.0-0.bpo.1-amd64 (debian-kernel@lists.debian.org) (gcc
>> version 4.9.2 (Debian 4.9.2-10) ) #1 SMP Debian 4.5.1-1~bpo8+1 (2016-04-20)
>>
>> ** Command line:
>> BOOT_IMAGE=/vmlinuz-4.5.0-0.bpo.1-amd64 root=/dev/mapper/sda3--vg-root
>> ro quiet
>>
>> ** Tainted: E (8192)
>> * Unsigned module has been loaded (currently expected).
>>
>> ** Kernel log:
>> [ 25.990301] Bluetooth: hci0: Secure boot is enabled
>> [ 25.990302] Bluetooth: hci0: OTP lock is enabled
>> [ 25.990303] Bluetooth: hci0: API lock is enabled
>> [ 25.990305] Bluetooth: hci0: Debug lock is disabled
>> [ 25.990306] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
>> [ 25.990321] bluetooth hci0: firmware: failed to load
>> intel/ibt-11-5.sfi (-2)
>> [ 25.990325] bluetooth hci0: Direct firmware load for
>> intel/ibt-11-5.sfi failed with error -2
>> [ 25.990327] Bluetooth: hci0: Failed to load Intel firmware file (-2)
>> [ 25.991879] uvcvideo: Found UVC 1.00 device Integrated Camera (5986:0706)
>> [ 25.998348] Intel(R) Wireless WiFi driver for Linux
>> [ 25.998351] Copyright(c) 2003- 2015 Intel Corporation
>> [ 25.998689] iwlwifi 0000:04:00.0: enabling device (0000 -> 0002)
> [...]
>> [ 26.000969] iwlwifi 0000:04:00.0: no suitable firmware found!
>
> So WLAN does not work because the firmware is not available.
>
> And these error messages:
>
>> [ 25.965566] i915 0000:00:02.0: firmware: failed to load i915/skl_dmc_ver1.bin (-2)
>> [ 25.965571] i915 0000:00:02.0: Direct firmware load for i915/skl_dmc_ver1.bin failed with error -2
>
> suggest that kwin does not start because the firmware for the GPU is
> not available.
>
> I suspect that the sound chip may also require firmware loaded from
> disk.
>
> I think that with firmware-intel-sound, firmware-iwlwifi and firmware-
> misc-nonfree installed (all of which are in the non-free section of the
> archive), this computer will be fully functional. Let us know whether
> that helps.
>
> Ben.
>
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