From: centos-bounces@xxxxxxxxxx
[mailto:centos-bounces@xxxxxxxxxx] On Behalf Of
Erkki.Aalto@xxxxxxxxxxx
>
> We upgraded a 64 bit server from Centos 4 to 5 and encountered some
> strange problems. Tcsh segfaulted irregurarily and emacs gave
> irregurarily
> strange error messages about regular expressions. Both problems
> disappeared when a 32-bit version was installed instead of the 64-bit.
> Ldconfig still occasionally segfaults.
>
> 64-bit servers where Centos 5 was installed from scratch have
> no problems.
> It is like there were some sort of remnant of the previous OS, but I
> can't figure out where.
>
> Strace of a 64-bit tcsh usually ends like this:
>
> open("/usr/lib/locale/locale-archive", O_RDONLY) = 3
> fstat(3, {st_mode=S_IFREG|0644, st_size=55537056, ...}) = 0
> mmap(NULL, 55537056, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2aaaaaae0000
> close(3) = 0
> brk(0) = 0x15b30000
> brk(0x15b30800) = 0x15b30000
> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> +++ killed by SIGSEGV +++
>
> and ltrace gives:
>
> __libc_start_main(0x405180, 1, 0x7fff89087298, 0x440b30, 0x440b20
> <unfinished ...>
> setlocale(5, "" <unfinished ...>
> sbrk(0) = 0x141f1000
> sbrk(2048) =
> 0xffffffffffffffff
> --- SIGSEGV (Segmentation fault) ---
> +++ killed by SIGSEGV +++
>
> Does anyone have any ideas?
Not to state the obvious, but it looks like the problem lies in the
locale libraries.
Try doing an RPM audit of /usr/share/locale and /usr/lib/locale and
see if there is a 4.5 compiled locale lurking down there.
If you set a particular locale within shell scripts, start there
first...
-Ross
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