core dump in cvsup caused by _once()?

Gary Jennejohn gary.jennejohn at
Tue Dec 1 15:44:51 UTC 2009

On Tue, 1 Dec 2009 10:09:59 -0500
John Baldwin <jhb at> wrote:

> On Saturday 28 November 2009 5:15:01 am Gary Jennejohn wrote:
> > Since I installed a new world and kernel on November 26 I'm seeing
> > core dumps with cvsup, even though I reinstalled cvsup yesterday.
> > 
[snip gdb output]
> > 
> > Seems to me that _once() was a very recent addition.  Can't say for
> > certain whether this is the culprit, but it looks suspicious to me.
> Can you do 'x/i $rip'?  Also, if you could rebuild libc with debug symbols 
> that could be helpful (just cd /usr/src/lib/libc; make clean; make 
> DEBUG_FLAGS=-g install).

I'll give it a shot as soon as I can recompile the tree.  Compiling libc
alone doesn't work right now - there's an error about a missing SIG_HOLD.

Gary Jennejohn

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