Bug 1461818

Summary: Gnome core dumps on startup with llvmpipe crash due to llvm failing to clear high 16bits of correct register [RHEL-7.5]
Product: Red Hat Enterprise Linux 7 Reporter: Laszlo Ersek <lersek>
Component: llvm-privateAssignee: Tom Stellard <tstellar>
Status: CLOSED ERRATA QA Contact: qe-baseos-tools-bugs
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.4-AltCC: ajax, dmalcolm, jbastian, jistone, jlinton, law, mcermak, mnewsome, mprchlik, tpelka, tschelle, yselkowi
Target Milestone: rc   
Target Release: 7.5   
Hardware: aarch64   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: No Doc Update
Doc Text:
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Story Points: ---
Clone Of: 1429050 Environment:
Last Closed: 2018-04-10 16:19:04 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: 1486998, 1500113    
Bug Blocks: 1471969, 1485496    

Description Laszlo Ersek 2017-06-15 11:47:42 UTC
+++ This bug was initially created as a clone of Bug #1429050 +++

The exact same issue as described in bug 1429050 happens in RHEL-7.4 as well, using package "mesa-private-llvm-3.9.1-3.el7.aarch64".

Jeremy's patch in bug 1429050 comment 4 (direct link: attachment 1261680 [details]) applies to the above-mentioned RHEL-7.4 package (i.e., dist-git commit 6ec0b20b46c9) without conflicts, and works fine:

http://people.redhat.com/lersek/a95d492b-9f7a-4ba5-a6a4-a030f66bcae8-pegas10-aarch64-gnome.png

For RHEL-Alt-7.4, sibling bug 1461815 has been filed. For RHEL-7.5, please incorporate the patch normally.

Comment 2 Igor Gnatenko 2017-06-15 12:20:27 UTC
Please, can you create new bugs instead of cloning them? Me (and probably all others who were CCed on original bug) don't want to see RHEL-related bugs.

Comment 13 Miloš Prchlík 2018-01-22 13:23:55 UTC
The fix seems to be included in the sources, AFAICT after digging a bit into llvm srpm. I ran tests included in mesa-17.0.1-6.20170307.el7.src.rpm, no segfaults appeared. Switching to VERIFIED.

Comment 14 Miloš Prchlík 2018-01-22 13:24:44 UTC
Oh, and the llvm build tested was llvm-private-5.0.0-3.el7.

Comment 17 errata-xmlrpc 2018-04-10 16:19:04 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2018:0894