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Re: POSIX RW locks (pthread_rwlock_wrlock) issues on amd64/sarge 64bit.

On Fri, Jun 10, 2005 at 07:47:46PM -0300, Javier Kohen wrote:
> Hello Karel,
> El vie, 10-06-2005 a las 22:04 +0200, Karel Gardas escribió:
> > I do have amd64 box with relased sarge/amd64 installed. I'm using 
> > gcc-3.4.x from debian package and I have multi-threading application which 
> > strangely blocks on the call to pthread_rwlock_wrlock function. The 
> > problem is, I'm 100% sure the lock is not hold by any reader, so wrlock 
> > should succeed and continue w/o blocking. I'm also sure that this software 
> > shouldn't be buggy in this domain, since it happily runs in 32bit chroot 
> > of sarge compiled by the same compiler (just 32bit inside chroot) and also 
> > it runs well on 64bit solaris10 compiled by sunstudio10 compiler into 
> > 64bit executables.
> There is a TV app whose name I don't remember that I seem to recall was
> supposed to suffer the same problem on AMD64. There was a patch floating
> around that changed the rwlock calls to use a different locking
> mechanism, but I don't know if anybody was working on fixing the real
> problem.

Could someone please file a bug against the libc6 package about
this if it doesn't exist yet?


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