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Re: Race problem in Mach/Hurd?

From: Svante Signell
Subject: Re: Race problem in Mach/Hurd?
Date: Mon, 09 May 2011 18:49:18 +0200

On Mon, 2011-05-09 at 18:43 +0200, Samuel Thibault wrote:
> Svante Signell, le Mon 09 May 2011 18:33:14 +0200, a écrit :
> > Anyway, adding a print statement at eglibc-2.11.2/mach/msgserver.c
> > resolved the hang in the configuration of ghc6-6.10.1
> > +dfsg1/libraries/random :-)
> Uh! Did you try to let the remainder of the build complete?

No, I had a print statement writing too much so the build hang so I had
to reboot. Now I just print a dot so I can try again.

> > Single stepping in msgserver.c also triggered the console printout: task
> > 5040ee18 deallocating an invalid port 340/xxx, most probably a bug.
> Note that you can make the kernel start the in-kernel debugger in that
> case. Simply set the mach_port_deallocate_debug variable to 1, or use nm
> on the "gnumach" binary to get its adress, e.g. 0x20001234, and use
> w 20001234 1
> cont
> from the kernel debugger (use ctrl-alt-d to invoke it) to write a 1
> there.

I'll try this later. Another new thing to learn.

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