Bug 643343 – [Intel 6.0 Bug] Dynamic linker failed to align TCB for AVX

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Bug 643343 - [Intel 6.0 Bug] Dynamic linker failed to align TCB for AVX

Summary:	[Intel 6.0 Bug] Dynamic linker failed to align TCB for AVX

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 6
Classification:	Red Hat
Component:	glibc (Show other bugs)
Sub Component:
Version:	6.0
Hardware:	x86_64 Linux

Priority	urgent Severity urgent
Target Milestone:	rc
Target Release:	---
Assigned To:	Andreas Schwab
QA Contact:	qe-baseos-tools
Docs Contact:

URL:
Whiteboard:
Keywords:	ZStream

Depends On:	642584
Blocks:	643889
	Show dependency tree / graph

Reported:	2010-10-15 07:04 EDT by RHEL Product and Program Management
Modified:	2016-11-24 11:08 EST (History)
CC List:	13 users (show)

See Also:
Fixed In Version:	glibc-2.12-1.7.el6_0.1
Doc Type:	Bug Fix
Doc Text:	On 64-bit x86 systems with support for AVX vector registers, an insufficient alignment of the thread descriptor may have caused an application to crash during symbol resolution. With this update, the "TCB_ALIGNMENT" value has been increased to 32 bytes, and applications no longer crash.
Story Points:	---
Clone Of:
Clones:	643889 (view as bug list)
Environment:
Last Closed:	2010-11-10 13:57:40 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2010:0872	normal	SHIPPED_LIVE	Important: glibc security and bug fix update	2010-11-10 07:10:56 EST

Groups: None (edit)

Description RHEL Product and Program Management 2010-10-15 07:04:35 EDT

This bug has been copied from bug #642584 and has been proposed
to be backported to 6.0 z-stream (EUS).

Comment 4 Jaromir Hradilek 2010-10-15 10:20:34 EDT

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
On 64-bit x86 systems with support for AVX vector registers, an insufficient alignment of the thread descriptor may have caused an application to crash during symbol resolution. With this update, the "TCB_ALIGNMENT" value has been increased to 32 bytes, and applications no longer crash.

Comment 8 errata-xmlrpc 2010-11-10 13:57:40 EST

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2010-0872.html

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