[Engine-devel] ovirt-engine build segfault on Fedora 20

[Alon Bar-Lev]

----- Original Message -----
> From: "Greg Sheremeta" <gshereme at redhat.com>
> To: "engine-devel" <engine-devel at ovirt.org>
> Sent: Friday, January 3, 2014 7:22:54 PM
> Subject: Re: [Engine-devel] ovirt-engine build segfault on Fedora 20
> 
> I reported against GWT:
> https://code.google.com/p/google-web-toolkit/issues/detail?id=8513

As long as gwt does not contain native code, it cannot cause libc free directly.
So either heap corruption which is by native code, or something in java reference count misbehaves.
Very difficult for byte code within jvm to cause this without native code cooperation.

> 
> ----- Original Message -----
> > From: "Greg Sheremeta" <gshereme at redhat.com>
> > To: "Alon Bar-Lev" <alonbl at redhat.com>
> > Cc: "engine-devel" <engine-devel at ovirt.org>
> > Sent: Friday, January 3, 2014 12:04:50 PM
> > Subject: Re: [Engine-devel] ovirt-engine build segfault on Fedora 20
> > 
> > 
> > 
> > ----- Original Message -----
> > > From: "Alon Bar-Lev" <alonbl at redhat.com>
> > > To: "Greg Sheremeta" <gshereme at redhat.com>
> > > Cc: "Adam Litke" <alitke at redhat.com>, "engine-devel"
> > > <engine-devel at ovirt.org>
> > > Sent: Friday, January 3, 2014 11:59:16 AM
> > > Subject: Re: [Engine-devel] ovirt-engine build segfault on Fedora 20
> > > 
> > > 
> > > this is probably native code bug in openjdk.
> > 
> > But I see it in Oracle JDK too.
> > 
> > > 
> > > ----- Original Message -----
> > > > From: "Greg Sheremeta" <gshereme at redhat.com>
> > > > To: "Adam Litke" <alitke at redhat.com>
> > > > Cc: "engine-devel" <engine-devel at ovirt.org>
> > > > Sent: Friday, January 3, 2014 6:55:05 PM
> > > > Subject: Re: [Engine-devel] ovirt-engine build segfault on Fedora 20
> > > > 
> > > > 
> > > > 
> > > > ----- Original Message -----
> > > > > From: "Adam Litke" <alitke at redhat.com>
> > > > > To: "Greg Sheremeta" <gshereme at redhat.com>
> > > > > Cc: "engine-devel" <engine-devel at ovirt.org>
> > > > > Sent: Friday, January 3, 2014 11:37:43 AM
> > > > > Subject: Re: [Engine-devel] ovirt-engine build segfault on Fedora 20
> > > > > 
> > > > > On 02/01/14 21:53 -0500, Greg Sheremeta wrote:
> > > > > >Caution on upgrading your dev machine to Fedora 20. GWT compilation
> > > > > >of
> > > > > >"safari" (for Chrome) causes a segfault during the build. Strangely,
> > > > > >the
> > > > > >build appears to work, so I'm not sure what the net effect of the
> > > > > >segfault
> > > > > >is.
> > > > > >
> > > > > >If you only compile for gecko (Firefox) [the default], you won't see
> > > > > >the
> > > > > >segfault.
> > > > > >
> > > > > >In other words,
> > > > > >make clean install-dev PREFIX=$HOME/ovirt-engine
> > > > > >DEV_EXTRA_BUILD_FLAGS_GWT_DEFAULTS="-Dgwt.userAgent=gecko1_8,safari"
> > > > > >causes the segfault
> > > > > >
> > > > > >But
> > > > > >make install-dev PREFIX="$HOME/ovirt-engine"
> > > > > >works just fine.
> > > > > >
> > > > > >I've duplicated this with with both OpenJDK and Oracle JDK.
> > > > > 
> > > > > I can confirm this on my F20 system with OpenJDK as well.  So far I
> > > > > have not observed any problems with the resulting build.
> > > > > 
> > > > > 
> > > > I've since duplicated it building a different GWT project, so I'll
> > > > report
> > > > the
> > > > bug against GWT.
> > > > 
> > > > I also see a similar crash in Eclipse if Eclipse is using webkit (the
> > > > default) AND Google Talk is installed. Either uninstalling GTalk or
> > > > using
> > > > -Dorg.eclipse.swt.browser.DefaultType=mozilla
> > > > works around that. So the GWT bug might be a JDK bug. Thoughts?
> > > > 
> > > > ...
> > > > 
> > > > GWT compiling a different GWT project --->
> > > > 
> > > > [INFO] Compiling module com.github.gwtbootstrap.Bootstrap
> > > > [INFO]    Compiling 6 permutations
> > > > [INFO]       Compiling permutation 0...
> > > > [INFO]       Compiling permutation 2...
> > > > [INFO]       Process output
> > > > [INFO]          Compiling
> > > > [INFO]             Compiling permutation 1...
> > > > [INFO]       Compiling permutation 3...
> > > > [INFO]       Compiling permutation 4...
> > > > [INFO]       Compiling permutation 5...
> > > > [INFO]    Compile of permutations succeeded
> > > > *** Error in `java': double free or corruption (out):
> > > > 0x00007eff24015d60
> > > > ***
> > > > ======= Backtrace: =========
> > > > /lib64/libc.so.6[0x342ce75d9f]
> > > > /lib64/libc.so.6[0x342ce7d098]
> > > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.60-2.4.3.0.fc20.x86_64/jre-abrt/lib/amd64/server/libjvm.so(+0x8dcc3b)[0x7eff2b9d6c3b]
> > > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.60-2.4.3.0.fc20.x86_64/jre-abrt/lib/amd64/server/libjvm.so(+0x5ce967)[0x7eff2b6c8967]
> > > > /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.60-2.4.3.0.fc20.x86_64/jre-abrt/lib/amd64/server/libjvm.so(JVM_Halt+0x30)[0x7eff2b706b10]
> > > > [0x7eff210135ec]
> > > > ======= Memory map: ========
> > > > 
> > > > 
> > > > _______________________________________________
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> > > > Engine-devel at ovirt.org
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> > > > 
> > > 
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