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Bug 1644863

Summary:	[libclc] OCL kernel compilation fails on amd GCN GPUs
Product:	[Fedora] Fedora	Reporter:	Jan Vesely <jan.vesely>
Component:	libclc	Assignee:	Fabian Deutsch <fabian.deutsch>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	29	CC:	abrahm.scully, fabian.deutsch, igor.raits, lats, vedran
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	libclc-0.2.0-13.git1ecb16d.fc29	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-12-06 03:57:06 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:

Description Jan Vesely 2018-10-31 18:31:59 UTC

Description of problem: ocl program compilation fails

Version-Release number of selected component (if applicable):
libclc-0.2.0-12.gitc45b9df.fc29.x86_64

How reproducible:
Always

Steps to Reproduce:
1. clinfo

Actual results:
program crashes with the following error message.
Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.dispatch.ptr

Expected results:
no crash

Additional info:
libclc needs to be rebuilt against llvm-7 which is now used by mesa:
Device Name                                AMD Radeon R7 Graphics (CARRIZO, DRM 3.26.0, 4.18.16-300.fc29.x86_64, LLVM 7.0.0)

Comment 1 Vedran Miletić 2018-11-13 18:39:03 UTC

Confirmed on

00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri [Radeon R5 Graphics] [1002:1315]

as clinfo fails with:

Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.dispatch.ptr
Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.dispatch.ptr
Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.dispatch.ptr
Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.implicitarg.ptr
LLVM ERROR: Broken function found, compilation aborted!

Comment 2 Jeff lats 2018-11-15 03:07:00 UTC

Confirmed on

Radeon RX 550 Series (POLARIS12, DRM 3.26.0, 4.18.17-300.fc29.x86_64, LLVM 7.0.0)

Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.dispatch.ptr
Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.dispatch.ptr
Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.dispatch.ptr
Intrinsic has incorrect return type!
i8 addrspace(2)* ()* @llvm.amdgcn.implicitarg.ptr
LLVM ERROR: Broken function found, compilation aborted!

Comment 3 Jeff lats 2018-11-29 10:29:10 UTC

Thought I would try downgrading it but it looks like I would need to back-out the whole of FC29, so it seems that this bug has been in FC29 since release.

Comment 4 Fedora Update System 2018-12-04 00:13:49 UTC

libclc-0.2.0-13.git1ecb16d.fc29 has been submitted as an update to Fedora 29. https://bodhi.fedoraproject.org/updates/FEDORA-2018-277e4ed0d5

Comment 5 Fedora Update System 2018-12-05 03:53:51 UTC

libclc-0.2.0-13.git1ecb16d.fc29 has been pushed to the Fedora 29 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-2018-277e4ed0d5

Comment 6 Fedora Update System 2018-12-06 03:57:06 UTC

libclc-0.2.0-13.git1ecb16d.fc29 has been pushed to the Fedora 29 stable repository. If problems still persist, please make note of it in this bug report.