Bug 1458595

Summary:	Beignet crashes clinfo and blender 2.78c in Fedora 26
Product:	[Fedora] Fedora	Reporter:	Dave Kline <dkline>
Component:	beignet	Assignee:	Igor Gnatenko <ignatenko>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	26	CC:	germano.massullo, ignatenko, johasixt, jylo06g, madebr, nbenitezl, sh1
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	beignet-1.3.1-3.git20170622.36f6a8b.fc26	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-07-16 20:21:57 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1463918

Description Dave Kline 2017-06-04 18:41:58 UTC

Description of problem:

Hello,
After a recent update of mesa/llvm video packages, applications like clinfo and blender crash. I'm using an XPS 13 9350 with an Intel GPU. After searching for a while, I found a blender thread that matched my issue: 

https://developer.blender.org/T51440

Blender 2.78c (downloaded from blender.org) fails upon startup with:

blender: /usr/include/llvm/Support/Casting.h:236: typename llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X = llvm::CompositeType; Y = llvm::Type; typename llvm::cast_retty<X, Y*>::ret_type = llvm::CompositeType*]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
Aborted (core dumped)

In short, removing Fedora 26's current version of beignet fixes the blender and clinfo crashes. 

Version-Release number of selected component (if applicable):

 beignet        x86_64        1.3.1-2.fc26         updates-testing        4.7 M

Steps to Reproduce:
1. Install beignet 1.3.1 alongside updated mesa/llvm 4.x packages
2. Observe clinfo crashes and blender crashes 

Additional info:

Perhaps related: https://bugzilla.redhat.com/show_bug.cgi?id=1434911

Comment 1 Nelson Benitez 2017-06-21 17:04:29 UTC

I'm having same issue with Fedora 26, Openshot uses blender for "animated title" feature which is not working currently because of this bug.

Comment 2 Dave Kline 2017-06-22 13:47:10 UTC

Hi Nelson. You can workaround the issue with "rpm -e beignet". After doing so, clinfo and blender work fine for me.

Comment 3 Fedora Update System 2017-07-14 09:44:35 UTC

beignet-1.3.1-3.git20170622.36f6a8b.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2017-10cd9f1c4c

Comment 4 Dave Kline 2017-07-14 12:33:49 UTC

After running: 

sudo rpm -Uvh https://kojipkgs.fedoraproject.org//packages/beignet/1.3.1/3.git20170622.36f6a8b.fc26/x86_64/beignet-1.3.1-3.git20170622.36f6a8b.fc26.x86_64.rpm

Blender and clinfo no longer crash. Thanks!

Comment 5 Germano Massullo 2017-07-14 12:42:24 UTC

(In reply to Dave Kline from comment #4)
> After running: 
> 
> sudo rpm -Uvh
> https://kojipkgs.fedoraproject.org//packages/beignet/1.3.1/3.git20170622.
> 36f6a8b.fc26/x86_64/beignet-1.3.1-3.git20170622.36f6a8b.fc26.x86_64.rpm
> 
> Blender and clinfo no longer crash. Thanks!

You may want to test and leave karma feedback to new beignet update
https://bodhi.fedoraproject.org/updates/FEDORA-2017-10cd9f1c4c
Keep in mind that beignet is blacklisted in darktable, so it is not used, but the new update will prevent other users from getting crashes while darktable looks for OpenCL devices/drivers on startup

Comment 6 Fedora Update System 2017-07-14 22:56:51 UTC

beignet-1.3.1-3.git20170622.36f6a8b.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-10cd9f1c4c

Comment 7 Igor Gnatenko 2017-07-15 08:04:27 UTC

*** Bug 1471333 has been marked as a duplicate of this bug. ***

Comment 8 Fedora Update System 2017-07-16 20:21:57 UTC

beignet-1.3.1-3.git20170622.36f6a8b.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.