Christos Zoulas wrote:
> The following reply was made to PR bin/34979; it has been noted by GNATS.
> 
> From: christos@zoulas.com (Christos Zoulas)
> To: Scott Ellis <scotte@warped.com>
> Cc: gnats-bugs@NetBSD.org, gnats-admin@NetBSD.org,
> 	netbsd-bugs@NetBSD.org
> Subject: Re: bin/34979: -current libc causes boot failure
> Date: Sat, 11 Nov 2006 22:24:43 -0500
> 
>  On Nov 11,  9:48pm, christos@zoulas.com (Christos Zoulas) wrote:
>  -- Subject: Re: bin/34979: -current libc causes boot failure
>  
>  | Try removing /var/run/utmp; there appears to be something wrong with it.
>  
>  But that was just a little too big. It does not explain why it is stuck.
>  It does not appear to be doing syscalls. Can you attach to it with gdb?

Sure.   This is booting w/o syslogd, running it manually, and then 
attaching to it with gdb (when syslogd is spinning using 100% CPU).  The 
SIGTERM near the end is me killing it via 'kill -9'.

intrepid# gdb /usr/sbin/syslogd 208
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This GDB was configured as "x86_64--netbsd"...(no debugging symbols found)

Attaching to program: /usr/sbin/syslogd, process 208
Reading symbols from /usr/lib/libutil.so.7...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libutil.so.7
Reading symbols from /usr/lib/libwrap.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libwrap.so.0
Reading symbols from /usr/lib/libc.so.12...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libc.so.12
Reading symbols from /usr/libexec/ld.elf_so...(no debugging symbols 
found)...done.
Loaded symbols for /usr/libexec/ld.elf_so

0x00007f7ffd8bc100 in strlen () from /usr/lib/libc.so.12
(gdb) bt
#0  0x00007f7ffd8bc100 in strlen () from /usr/lib/libc.so.12
#1  0x0000000000402b08 in matches_spec ()
#2  0x0000000000402e7e in logmsg ()
#3  0x000000000040566d in printsys ()
#4  0x0000000000406318 in main ()
(gdb) n
Single stepping until exit from function strlen,
which has no line number information.
0x0000000000402b08 in matches_spec ()
(gdb) bt
#0  0x0000000000402b08 in matches_spec ()
#1  0x0000000000402e7e in logmsg ()
#2  0x000000000040566d in printsys ()
#3  0x0000000000406318 in main ()
(gdb) s
Single stepping until exit from function matches_spec,
which has no line number information.
^C

Program received signal SIGTERM, Terminated.
0x0000000000402b08 in matches_spec ()
(gdb) Quit
(gdb)
Single stepping until exit from function matches_spec,
which has no line number information.
^C
Program received signal SIGTERM, Terminated.
0x00007f7ffd8bc100 in strlen () from /usr/lib/libc.so.12
(gdb) Quit
(gdb) bt
#0  0x00007f7ffd8bc100 in strlen () from /usr/lib/libc.so.12
#1  0x0000000000402b08 in matches_spec ()
#2  0x0000000000402e7e in logmsg ()
#3  0x000000000040566d in printsys ()
#4  0x0000000000406318 in main ()
(gdb)