FS#48148 - [linux] Kernel: BUG: unable to handle kernel NULL pointer dereference

Attached to Project: Arch Linux
Opened by Pavel Kachalouski (xeppaka) - Thursday, 11 February 2016, 20:20 GMT
Last edited by Doug Newgard (Scimmia) - Friday, 06 October 2017, 02:34 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:
ArchLinux on laptop Dell Precision M4800. Loading of iwlwifi module fails.

Additional info:
* package version(s)
* config and/or log files etc.

Steps to reproduce:

# uname -a
Linux dell 4.4.1-2-ARCH #1 SMP PREEMPT Wed Feb 3 13:12:33 UTC 2016 x86_64 GNU/Linux

# lspci -k
03:00.0 Network controller: Intel Corporation Wireless 7260 (rev 73)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi

This is small part of dmesg. Full dmesg is in attachment:

[ 13.324840] iwlwifi 0000:03:00.0: Failed to load firmware chunk!
[ 13.324841] iwlwifi 0000:03:00.0: Could not load the [0] uCode section
[ 13.324848] iwlwifi 0000:03:00.0: Failed to start INIT ucode: -110
[ 13.325156] iwlwifi 0000:03:00.0: Failed to run INIT ucode: -110
[ 13.325184] iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
[ 13.355201] Console: switching to colour frame buffer device 240x67
[ 13.358108] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[ 13.374099] iwlwifi 0000:03:00.0: RF_KILL bit toggled to enable radio.
[ 13.374123] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 13.374188] IP: [<ffffffffa05b5ad5>] iwl_trans_pcie_rf_kill+0x15/0x40 [iwlwifi]
[ 13.374214] PGD 0
[ 13.374223] Oops: 0000 [#1] PREEMPT SMP
............................
   dmesg.txt (76.5 KiB)
This task depends upon

Closed by  Doug Newgard (Scimmia)
Friday, 06 October 2017, 02:34 GMT
Reason for closing:  Fixed
Comment by Alexandre Bolelli Soares (Semeion) - Tuesday, 29 March 2016, 10:22 GMT
Same happening here.

$ uname -a
Linux blackbird 4.4.5-1-ARCH #1 SMP PREEMPT Thu Mar 10 07:38:19 CET 2016 x86_64 GNU/Linux


Sorry for report it using a pic, i cleaned the logs.
   2016-03-26-035706_958x1050.png (617.4 KiB)
Comment by mattia (nTia89) - Monday, 02 October 2017, 20:22 GMT
is this issue still valid?
Comment by Pavel Kachalouski (xeppaka) - Tuesday, 03 October 2017, 10:02 GMT
Hi, I don't own the laptop anymore, so can't check current situation.
Comment by Alexandre Bolelli Soares (Semeion) - Wednesday, 04 October 2017, 13:14 GMT
I don´t have this problem anymore w/ actual kernel... I will stop follow this issue/thread...

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