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Tasklist

FS#43426 - [linux] i915: unable to handle kernel NULL pointer dereference

Attached to Project: Arch Linux
Opened by abc (Xiflite) - Monday, 12 January 2015, 20:25 GMT
Last edited by Doug Newgard (Scimmia) - Thursday, 11 February 2016, 22:16 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture x86_64
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Hardware: Lenovo T430 + Dock with 2 attached screens (handled by kscreen)

Description:
[Dock]
freeze during boot (even ctrl+alt+f1 does not work) most of the time
e.g. i need 3-5 hard resets to boot the machine

[without Dock]
1-2 hard resets to boot (not booting without dock very often)

Package:
linux 3.18.2-2

Attached:
Logs of three failed attempts to boot.


   1.log (95.8 KiB)
   2.log (96.1 KiB)
   3.log (93.9 KiB)
This task depends upon

Closed by  Doug Newgard (Scimmia)
Thursday, 11 February 2016, 22:16 GMT
Reason for closing:  No response
Comment by John (graysky) - Monday, 12 January 2015, 20:52 GMT
You probably want to open this upstream.
Comment by Alim Gokkaya (alimg) - Sunday, 18 January 2015, 17:22 GMT
I got the same "NULL pointer dereference" error although in a different way to produce.
Wireless module (rtl8723ae) was not responding in AP mode and I got a kernel panic after
invoking reboot command. This started to occur in last few days.

I'm not quite sure if my case is relevant but I wanted to post kernel logs if it helps.

Kernel logs are attached, the stack trace begins at line #942.
   journal.log (177.3 KiB)
Comment by abc (Xiflite) - Wednesday, 21 January 2015, 15:48 GMT
This has not been occurred to me again since upgrading to 3.18.3
Comment by abc (Xiflite) - Monday, 26 January 2015, 22:56 GMT
One week later - again:

BUG: unable to handle kernel NULL pointer dereference at 000000000000006c
...
RIP [<ffffffffa0533d33>] __intel_set_mode+0xa23/0x16d0 [i915]

:(
Comment by Josias Wolhuter (hawkinsthewizard) - Monday, 09 February 2015, 16:04 GMT
Similar but different for me.
I only get the kernel panic when I restart or shutdown
I narrowed it down to the rt3090 wifi (AP) Maybe it is an error in hostapd, or the realtec wifi module?
Comment by Antti Harju (aharju) - Tuesday, 25 August 2015, 22:16 GMT
I added a task closure request by accident in this bug report. Please disregard.
Comment by Daniel Hahler (blueyed) - Monday, 26 October 2015, 23:05 GMT
Is this still an issue?

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