FS#46603 - Crash using second monitor

Attached to Project: Arch Linux
Opened by Sunny Wong (ArchDoctor_needed) - Thursday, 08 October 2015, 08:15 GMT
Last edited by Doug Newgard (Scimmia) - Thursday, 08 October 2015, 13:57 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To No-one
Architecture x86_64
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
I can't use my second monitor (Arch won't boot) and booting Arch (without second monitor involved) fails sometimes (not to mention that it takes way loger now).
I had this problems at first with upgrading to Linux Kernel 4.2.X. I went back to linux-4.1.6-1-x86_64.pkg.tar.xz and it was fine again.
Furthermore linux 4.2.2-1 seemed to fixed it.

Now (probably through recent updates) it doesn't work again. Unfortunately downgrading to linux-4.1.6-1-x86_64.pkg.tar.xz doesn't help anymore (samue issue).

Think link shows an extract from my journal log (in combination with grep 'i915' )
http://pastebin.com/RtTR5ubf



Additional info:
* Kernel: 4.2.2-1-ARCH #1 SMP PREEMPT
* CPU: model name : Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz
* Intel Graphics HD 5500 hardware


Steps to reproduce:
- Using HP EliteBook 840 G2
- Starting System in docking station with »active« second monitor
This task depends upon

Closed by  Doug Newgard (Scimmia)
Thursday, 08 October 2015, 13:57 GMT
Reason for closing:  Duplicate
Additional comments about closing:   FS#46462 
Comment by Gibheer (Gibheer) - Thursday, 08 October 2015, 08:57 GMT
With an update today I also experienced problems with a second monitor. But for me, it was the introduction of a gap, when the second monitor was rotated.
I downgraded the following packages to make it work again:

[2015-10-08 09:55] [ALPM] downgraded wayland (1.9.0-1 -> 1.8.1-1)
[2015-10-08 10:00] [ALPM] downgraded mesa (11.0.2-1 -> 10.6.7-1)
[2015-10-08 10:05] [ALPM] downgraded linux (4.2.2-1 -> 4.1.6-1)
[2015-10-08 10:48] [ALPM] downgraded xf86-video-intel (1:2.99.917+472+gf0fd4d5-1 -> 2.99.917-5)
[2015-10-08 10:50] [ALPM] downgraded lib32-mesa (11.0.2-1 -> 11.0.1-1)
[2015-10-08 10:50] [ALPM] downgraded lib32-mesa-libgl (11.0.2-1 -> 11.0.1-1)
[2015-10-08 10:50] [ALPM] downgraded mesa-libgl (11.0.2-1 -> 11.0.1-1)
[2015-10-08 10:51] [ALPM] downgraded lib32-wayland (1.9.0-1 -> 1.8.1-1)

@Sunny: Did you have any of these updated today too? Also, does it help downgrading one of these?

My machine is a Dell Latitude E6230 also with a intel graphics card.
Comment by Guillaume BROGI (guiniol) - Thursday, 08 October 2015, 09:26 GMT
I experienced the same problem as Gibheer. Fixed it by downgrading xf86-video-intel only.
I think this is a different bug.
-- edit
Opened bug  FS#46606  for this problem.
Also see  FS#45572  as a related bug.
Comment by Sunny Wong (ArchDoctor_needed) - Thursday, 08 October 2015, 09:36 GMT
Thanks for the reply @Gibheer (Gibheer) and @Guillaume BROGI (guiniol).
I downgraded to:
* wayland (-> 1.8.1-1)
* mesa (10.6.7-1)
* xf86-video-intel-1:2.99.917+381+g5772556-1-x86_64.pkg.tar.xz
* mesa-libgl (11.0.1-1)

I did not downgrade:
* linux (4.2.2-1 -> 4.1.6-1) (wasn't needed / see result)
* lib32-mesa (not installed)
* lib32-mesa-libgl (not installed)
* lib32-wayland (not installed)

Thanks a lot! As a result i can use my seconds monitor again and the boot doesn't take that long anymore.

If any further informations are needed to fix this, just let me know.
Comment by Guillaume BROGI (guiniol) - Thursday, 08 October 2015, 11:39 GMT
Another fix is to switch to uxa instead of sna. See https://wiki.archlinux.org/index.php/Intel_graphics#SNA_issues

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