lib/46161: stacksize setup vs. rump unresolved

[martin%NetBSD.org@localhost]

>Number:         46161
>Category:       lib
>Synopsis:       stacksize setup vs. rump unresolved
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Mar 09 22:05:00 +0000 2012
>Originator:     Martin Husemann
>Release:        NetBSD 6.99.3
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD thirdstage.duskware.de 6.99.3 NetBSD 6.99.3 (MODULAR) #9: Fri 
Mar 9 16:59:49 CET 2012 
martin%night-porter.duskware.de@localhost:/usr/src/sys/arch/sparc64/compile/MODULAR
 sparc64
Architecture: sparc64
Machine: sparc64
>Description:

For some time the stacksize attribute was (eroneously) not honoured when
creating new pthreads. When this was fixed, severe fallout was found
in rump (and rump based atf tests).

The fallout was papered over by removing the custom stack size limit in
rump - someday we should investigate the root cause though.

See:

  report on losage:
   http://mail-index.netbsd.org/current-users/2012/03/09/msg019441.html
  commit papering over:
   http://mail-index.netbsd.org/source-changes/2012/03/09/msg032648.html

>How-To-Repeat:
revert rev. 1.46 of src/lib/librumpuser/rumpuser_sp.c and run tests.

>Fix:
n/a