gnu/77818: GDB locks in wait4() when running applications

Sean Farley sean-freebsd at
Mon Feb 21 01:20:18 GMT 2005

>Number:         77818
>Category:       gnu
>Synopsis:       GDB locks in wait4() when running applications
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Feb 21 01:20:17 GMT 2005
>Originator:     Sean Farley
>Release:        FreeBSD 5.3-STABLE i386
System: FreeBSD 5.3-STABLE FreeBSD 5.3-STABLE #0: Thu Feb 17 15:11:46 CST 2005 root at i386


Whenever I run an application through the system's GDB, GDB locks in wait4().
It does not matter if the application has debugging information or not.  /bin/ls
will lock GDB up for me until I type Ctrl-C.

Two systems of mine exhibit this behavior.  One has the binary nvidia driver
with a lot of changes in libmap.conf.  The other is headless without a


gdb /bin/ls

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