I'll add a note to this effect to the NetBSD/alpha FAQ. Thanks.

		David/absolute

             -=-  "Promise carved in stone, deeper than the sea"  -=-

On Tue, 15 Jun 1999, Andrew Gallatin wrote:

> 
> Anders Magnusson writes:
>  > I just tried to get Acroread running, but it got SIGSYS directly.
>  > A little ktrace showed:
>  > 
>  >   7513 acroread CALL  obreak(0x14004a7c0)
>  >   7513 acroread RET   obreak 0
>  >   7513 acroread CALL  [-10]
>  >   7513 acroread PSIG  SIGSYS SIG_DFL
>  >   7513 acroread NAMI  "acroread.core"
>  > 
>  > Ehum, syscall -10 doesn't feel quite normal. Is there anyone that can
>  > interpret this? (or explain what is happening).
> 
> This is one of those wacky Mach system calls.
> ftp://ftp.netbsd.org/pub/NetBSD-current/src/sys/compat/osf1/README.mach-traps 
> spells out the problem.
> 
> In general, apps which are linked to libpthreads.so or libpthread.so
> tend to use mach system calls.  Luckily, not many intersting apps are.
> Acroread is the only productivity app I've found so far which is.
> 
> Drew
> ------------------------------------------------------------------------------
> Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
> Duke University				Email: gallatin@cs.duke.edu
> Department of Computer Science		Phone: (919) 660-6590
>