linux-kernel - Re: Regression [Was: Boot hang with stack protector on x86

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Date:	Sat, 23 Feb 2008 00:02:18 +1100 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Sam Ravnborg <sam@...nborg.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: Regression [Was: Boot hang with stack protector on x86_64]

On Fri, 22 Feb 2008, Ingo Molnar wrote:

> 
> * James Morris <jmorris@...ei.org> wrote:
> 
> > > works fine for you? That has all the current stackprotector fixes. I 
> > > plan to send a separate pull request with just the stackprotector 
> > > fixes to Linus, they are looking good in testing so far.
> > 
> > Nope, same problem.
> > 
> > (I followed your instructions in the readme exactly).
> 
> stupid double check, does "git-log | grep stackpro" give you the fixes:
> 
>     This patch adds a simple self-test capability to the stackprotector
>     x86: unify stackprotector features
>     streamline the stackprotector features under a single option
>     x86: stackprotector: mix TSC to the boot canary
>     x86: fix the stackprotector canary of the boot CPU
>     stackprotector: add boot_init_stack_canary()
>     stackprotector: include files
> 
> ?

Yes.

> 
> Please send me your full .config and the gcc version you used for 
> building the failing kernel.

config attached.

$ gcc -v
Using built-in specs.
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man 
--infodir=/usr/share/info --enable-shared --enable-threads=posix 
--enable-checking=release --with-system-zlib --enable-__cxa_atexit 
--disable-libunwind-exceptions 
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada 
--enable-java-awt=gtk --disable-dssi --enable-plugin 
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre 
--enable-libgcj-multifile --enable-java-maintainer-mode 
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-cpu=generic 
--host=x86_64-redhat-linux
Thread model: posix
gcc version 4.1.2 20071124 (Red Hat 4.1.2-36)


-- 

James Morris 
<jmorris@...ei.org>
View attachment "config.txt" of type "TEXT/plain" (30544 bytes)