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Tasklist

FS#45449 - [xf86-video-intel] font/image rendering is broken with sna accel method

Attached to Project: Arch Linux
Opened by Michael Vogt (xi1976) - Wednesday, 24 June 2015, 12:55 GMT
Last edited by Jan de Groot (JGC) - Wednesday, 26 August 2015, 14:06 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Jan de Groot (JGC)
Andreas Radke (AndyRTR)
Laurent Carlier (lordheavy)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 7
Private No

Details

Description:
Text and images are blurred; not possible to type text anymore
as letters are blurred, desktop images are blurred, too.

Additional info:
only with version 1:2.99.917+364+gb24e758-1,
after downgrade to version 2.99.917-5 everything ok again.

I am on Lenovo thinkpad t400
Linux 4.0.5-1-ARCH #1 SMP PREEMPT Sat Jun 6 18:37:49 CEST 2015 x86_64 GNU/Linux
XFCE

Steps to reproduce:
just upgrade and downgrade
This task depends upon

Closed by  Jan de Groot (JGC)
Wednesday, 26 August 2015, 14:06 GMT
Reason for closing:  Fixed
Comment by Doug Newgard (Scimmia) - Wednesday, 24 June 2015, 16:03 GMT
Have you tried changing your acceleration method?
https://wiki.archlinux.org/index.php/Intel_graphics#SNA_issues
Comment by Xinkai Chen (Xinkai) - Thursday, 25 June 2015, 04:38 GMT
I think I have the same problem.

The plasmashell 5 stops repainting as soon as the desktop shows, which means the time widget doesn't update, and the window indicator widget doesn't work either.

Killing plasmashell and restarting it doesn't help: it "freezes" the moment it loads.

What's worse, to me, downgrading xf86-video-intel to the previous version doesn't work either. SDDM cannot startup with 2.99.917-5.

I am using lxqt for the time being. It's working fine.

I am using i5-4590 (desktop).
Comment by Doug Newgard (Scimmia) - Thursday, 25 June 2015, 04:44 GMT
Doesn't sound like the same problem at all.
Comment by Mirko Stocker (misto) - Thursday, 25 June 2015, 05:47 GMT
FWIW, I have the same problem as Xinkai but downgrading to 2.99.917-5 has worked fine for me (also using SDDM).
Comment by Michael Vogt (xi1976) - Thursday, 25 June 2015, 06:38 GMT
Changing acceleration method from SNA to UXA worked for me
Comment by Laurent Carlier (lordheavy) - Thursday, 25 June 2015, 06:57 GMT
Please fill a bug upstream at https://bugs.freedesktop.org and paste the link here
Comment by Michael Vogt (xi1976) - Thursday, 25 June 2015, 08:05 GMT
https://bugs.freedesktop.org/show_bug.cgi?id=91105
Comment by Xinkai Chen (Xinkai) - Thursday, 25 June 2015, 11:21 GMT
Thanks for the confirmation of the problem.

The reason why downgrading didn't work for me may be because I used a self-compiled one (I emptied the pkg cache due to a space shortage a while ago, and it's my bad), and I also tried the one I found on Arch Rollback Machine. It was those two I have tried and failed.

Can anyone provide the real 2.99.917-5 amd64 package? email to xinkai.chen [AT] qq.com or uploading it somewhere will be very helpful.

Comment by Martin Lipocky (mlipocky) - Saturday, 27 June 2015, 18:37 GMT
I updated today.
I can confirm that changing the acceleration method to UXA according to wiki page https://wiki.archlinux.org/index.php/Intel_graphics#SNA_issues, which involves creating a xorg.conf file, resolved the issue.
   Intel_SNA.png (265.1 KiB)
Comment by Werner Llácer (wllacer) - Sunday, 28 June 2015, 13:02 GMT
Can confirm both the bug and the UXA workaround on my machine (with an Intel Corporation 82G33/G31 Express Integrated Graphics Controller ).
Only for my machine the sympthons were already present (rather sporadicly, so i didn't pay attention) in earlier versions of the driver (at least a couple of months ago)
Comment by Pablo Lezaeta (Jristz) - Thursday, 09 July 2015, 08:38 GMT
They in the mailist from upstream was post'd a kernel patch, I haven't time to test but someone has tested it?
Comment by Pablo Lezaeta (Jristz) - Friday, 24 July 2015, 15:44 GMT
Last update to the kernel and to intel driver make thinks worst.
Now if I get a glitch the screen become unreadable forcing me to do all blind, I have not any .conf file as to keep it vanilla but I'm using a Intel i915 driver in a Mobile 945GSE Express Integrated Graphics Controller.

To try reproduce it, using GIMP to eddit dialogs and fonts and you eventually will get the error.
Comment by Antti Harju (aharju) - Tuesday, 25 August 2015, 22:07 GMT
I had the same issue, but it was fixed after upgrading to linux 4.1.6-1. I believe the upstream fix to Linux was from https://bugs.freedesktop.org/show_bug.cgi?id=91105

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