[vmkit-commits] FatLock assertion failure?

Nicolas Geoffray nicolas.geoffray at gmail.com
Tue Nov 29 08:01:29 PST 2011


Hi Will,

On Tue, Nov 29, 2011 at 3:59 PM, Will Dietz <wdietz2 at illinois.edu> wrote:

> Hi,
>
> On both runtimes, I'm seeing the following assertion occur
> periodically (unpredictably, same code sometimes tickles it other
> times not)
>
> j3: /home/will/vmkit-svn/lib/vmkit/CommonThread/ObjectLocks.cpp:305:
> bool vmkit::FatLock::acquire(gc *): Assertion `obj->header &
> ThinLock::FatMask' failed.
>

That's because you have too many cores :).... That's a lame answer. The
real answer is that there is a bug somewhere in the locking implementation.
I also experience in on my desktop machine (8 cores), but never on my
laptop (2 cores).

Nicolas


> Any ideas what might be causing this?
>
> ~Will
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