Rawhide firefox

[Brian C. Huffman]

I just upgraded via yum from FC4 to latest Fedora rawhide.  Everything
except firefox seems to be working well.  Here's what I get when I run
firefox under strace:

[snip]
open("/usr/lib/libexpat.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000\201"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=128252, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb7f37000
mmap2(0xb96000, 129624, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
3, 0) = 0xb96000
mmap2(0xbb4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x1d) = 0xbb4000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb7f36000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb7f35000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7f356b0,
limit:1048575, seg_32bit:1, contents:0, read_exec_only:0,
limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0x690000, 8192, PROT_READ)     = 0
mprotect(0xc85000, 4096, PROT_READ)     = 0
mprotect(0xd45000, 4096, PROT_READ)     = 0
mprotect(0x1f4000, 4096, PROT_READ)     = 0
mprotect(0x111000, 835584, PROT_READ|PROT_WRITE) = 0
mprotect(0x111000, 835584, PROT_READ|PROT_EXEC) = 0
mprotect(0x6be000, 12288, PROT_READ|PROT_WRITE) = 0
mprotect(0x6be000, 12288, PROT_READ|PROT_EXEC) = -1 EACCES (Permission
denied)
writev(2, [{"/usr/lib/firefox-1.5/firefox-bin", 32}, {": ", 2}, {"error
while loading shared libra"..., 36}, {": ", 2},
{"/usr/lib/firefox-1.5/libxpcom.so", 32}, {": ", 2}, {"cannot restore
segment prot afte"..., 39}, {": ", 2}, {"Permission denied", 17}, {"\n",
1}], 10/usr/lib/firefox-1.5/firefox-bin: error while loading shared
libraries: /usr/lib/firefox-1.5/libxpcom.so: cannot restore segment prot
after reloc: Permission denied
) = 165
exit_group(127)                         = ?
Process 4857 detached


Any thoughts?

Thanks,
Brian