1. Large File Support (LFS >2GB) with RH6.2, glibc 2.1.3, 2.4.9
I've been attempting to get large file support working on a RH6.2 box
(2.4.9 kernel) after recompiling glibc 2.1.3 against the new kernel
headers with little success. I was hoping someone might know
of a good way to test for the presence of LFS support in an
application
or in the operating system.
What I've done -
. Compiled and installed 2.4.9 kernel from kernel.org. [reboot]
. upgraded kernel-headers package to kernel-headers-2.4.2-2 rpm
. recompiled glibc using glibc-2.1.3-22.src.rpm - I modified the spec
file to build glibc using --with-headers=/usr/src/linux/include.
. recompiled and installed fileutils-4.0.36-4.src.rpm using rpm
--rebuild
. recompiled gnu tar-1.13 from the gnu.org tarball, once allowing
./configure to prepare the build [failed], and the second time
modifying config.h by adding,
#define _LARGEFILE64_SOURCE 1
[also failed]
I've tried recompiling tar-1.13 and fileutils (which includes dd) and
when
either tries to create a >2GB file, they always exit with "File size
limit
exceeded (core dumped)".
I can't seem to track down whether this is due to the kernel, glibc or
the
application.
Running `find /usr/include -name \*.h | xargs grep LARGEFILE | more`
gives
several references to __USE_LARGEFILE64 and __USE_FILE_OFFSET64, which
(according to another post in usenet) would indicate the presence of
LFS
support.
I recompiled dd, and now, if I do a `strace dd if=/dev/zero
of=test.file
count=4400000`, I get -
fstat64(0x3, 0xbfffb694) = 0
open("/dev/zero", O_RDONLY|O_LARGEFILE) = 0
close(1) = 0
open("test.file", O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = 1
fstat64(0x1, 0xbffffa38) = 0
But it still exits with "File size limit exceeded (core dumped)" -
--- SIGXFSZ (File size limit exceeded) ---
+++ killed by SIGXFSZ +++
Thinking it was pam, I commented out the line from /etc/pam.d/sshd -
#session required /lib/security/pam_limits.so
But no luck.
I've tried creating the files on both a 2.0-compat ext2 partition and
a reiserfs 3.6 partition.
Can anyone offer any pointers? Most appreciated would be suggestions
from folks who have actually gotten LFS enabled on a RH6.2
2.4.x-kernel box. I've also tried the scyld patches/SRPMS and read
over the aj|suse.de|lfs page *many* times :) . No luck with any of
those either.
Thanks!
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