+++ This bug was initially created as a clone of Bug #231522 +++
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 4160650000 (LWP 27991)]
0x079e6fc4 in *__GI___strcasecmp (s1=0xf83903ec "FilePrinter", s2=0x0) at
strcasecmp.c:65
65      strcasecmp.c: No such file or directory.
        in strcasecmp.c
(gdb) #0  0x079e6fc4 in *__GI___strcasecmp (s1=0xf83903ec "FilePrinter", s2=0x0)
at strcasecmp.c:65
#1  0x0802ab3c in get_jobs (con=0x80b1e50, uri=<value optimized out>) at ipp.c:5862
#2  0x08032dec in cupsdProcessIPPRequest (con=0x80b1e50) at ipp.c:494
#3  0x28004484 in ?? ()
#4  0x08016cc4 in cupsdReadClient (con=0x80b1e50) at client.c:2020
#5  0x44004488 in ?? ()
#6  0x080237ac in main (argc=<value optimized out>, argv=<value optimized out>)
at main.c:938
#7  0x22000422 in ?? ()
#8  0x0797dc0c in generic_start_main (main=0x8023030 <main>, argc=2,
ubp_av=0xf839fb54, auxvec=0xf839fbb8,
    init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value
optimized out>, stack_end=<value optimized out>)
    at ../csu/libc-start.c:231
#9  0x0797de34 in __libc_start_main (argc=2, ubp_av=0xf839fb54, ubp_ev=<value
optimized out>, auxvec=0xf839fbb8,
    rtld_fini=0xf7fbeb40 <_dl_fini>, stinfo=0x8070538, stack_on_entry=0xf839fb40)
    at ../sysdeps/unix/sysv/linux/powerpc/libc-start.c:127
#10 0x00000000 in ?? ()
(gdb) #1  0x0802ab3c in get_jobs (con=0x80b1e50, uri=<value optimized out>) at
ipp.c:5862
5862    ipp.c: No such file or directory.
        in ipp.c
(gdb) $1 = (cupsd_client_t *) 0x80b1e50
(gdb) $2 = <value optimized out>
(gdb)  

--- "scheduler/ipp.c" line 5862 of 9717 ---
    if (username[0] && strcasecmp(username, job->username))
------------------

job->username = NULL here

-- Additional comment from twaugh on 2007-03-13 10:30 EST --
Okay, problem understood.  Thanks for your help in tracking it down.

Reported upstream as STR #2288 with patch.