https://issues.apache.org/bugzilla/show_bug.cgi?id=46027
Summary: Access of files >4GB on CIFS share fails
Product: Apache httpd-2
Version: 2.2.9
Platform: HP
URL: http://www.nk.tc/4.7gb_mounted_file
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Core
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
0. Description of problem
When accessing a softlinked file >4GB residing on a CIFS share, the action
fails. httpd will log the action properly in the access log, but will close the
connection to remote without sending the file.
The mount itself was eliminiated from the probable issue points, since access
to the file via ie (S)FTP, cp and such works flawlessly.
The same file residing on a local FS gives no problem to apache.
1. Setup
HP DL380G3 with RedHat EL4 (2.6.9-55.0.2.ELsmp)
NAS Lacie 2TB
Apache 2.2.9
2. Mount command
mount -t cifs -o username=me,password=notme,rsize=32768,wsize=32768,r
//192.168.1.250/source /nas/target
3. Output of wget access to the file:
vader:root:/tmp: wget http://www.nk.tc/4.7gb_mounted_file
--16:14:14-- http://www.nk.tc/4.7gb_mounted_file
=> `4.7gb_mounted_file'
Resolving www.nk.tc... 217.147.216.100
Connecting to www.nk.tc|217.147.216.100|:80... connected.
HTTP request sent, awaiting response...
HTTP/1.1 200 OK
Date: Thu, 16 Oct 2008 14:14:14 GMT
Server: Apache/2.2.9 (Unix) mod_ssl/2.2.9 OpenSSL/0.9.8e PHP/5.2.3
Last-Modified: Tue, 30 Sep 2008 04:04:48 GMT
ETag: "4238c6b-117e5d961-4581515ac1800"
Accept-Ranges: bytes
Content-Length: 4695906657
Keep-Alive: timeout=15, max=1000
Connection: Keep-Alive
Content-Type: text/plain
Length: 4,695,906,657 (4.4G) [text/plain]
0% [
] 0 --.--K/s
16:14:14 (0.00 B/s) - Connection closed at byte 0. Retrying.
[Note: The above noted filesize is correct.]
4. Access log entry of above wget action:
vader - - [16/Oct/2008:16:14:15 +0200] "GET /4.7gb_mounted_file HTTP/1.0" 200
4695906657 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1) [en]"
[Note: The above noted filesize is correct.]
5. Configure options used to build the binary
./configure --prefix=/usr/local/apache --with-mpm=mpmt_pthread
--with-mpm=prefork --enable-rewrite --enable-authn-anon --enable-mime-magic
--enable-expires --enable-headers --enable-unique-id --enable-ssl
--with-ssl=/usr/local/openssl --disable-info --enable-suexec
--with-suexec-caller=root --with-suexec-uidmin=100 --with-suexec-gidmin=100
--with-suexec-logfile=suexec.log --with-suexec-userdir=*cgi-bin* --enable-cgi
--enable-vhost-alias --enable-file-cache --enable-cache --enable-disk-cache
--enable-mem-cache --enable-deflate --enable-usertrack --enable-vhost-alias
--enable-rewrite
6. Output of apachectl
vader:root:/usr/local/apache/conf: apachectl -V
Server version: Apache/2.2.9 (Unix)
Server built: Aug 13 2008 14:52:17
Server's Module Magic Number: 20051115:15
Server loaded: APR 1.3.0, APR-Util 1.3.0
Compiled using: APR 1.3.0, APR-Util 1.3.0
Architecture: 32-bit
Server MPM: Prefork
threaded: no
forked: yes (variable process count)
Server compiled with....
-D APACHE_MPM_DIR="server/mpm/prefork"
-D APR_HAS_SENDFILE
-D APR_HAS_MMAP
-D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
-D APR_USE_SYSVSEM_SERIALIZE
-D APR_USE_PTHREAD_SERIALIZE
-D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
-D APR_HAS_OTHER_CHILD
-D AP_HAVE_RELIABLE_PIPED_LOGS
-D DYNAMIC_MODULE_LIMIT=128
-D HTTPD_ROOT="/usr/local/apache"
-D SUEXEC_BIN="/usr/local/apache/bin/suexec"
-D DEFAULT_PIDLOG="logs/httpd.pid"
-D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
-D DEFAULT_LOCKFILE="logs/accept.lock"
-D DEFAULT_ERRORLOG="logs/error_log"
-D AP_TYPES_CONFIG_FILE="conf/mime.types"
-D SERVER_CONFIG_FILE="conf/httpd.conf"
vader:root:/usr/local/apache/conf: apachectl -l
Compiled in modules:
core.c
mod_authn_file.c
mod_authn_anon.c
mod_authn_default.c
mod_authz_host.c
mod_authz_groupfile.c
mod_authz_user.c
mod_authz_default.c
mod_auth_basic.c
mod_file_cache.c
mod_cache.c
mod_disk_cache.c
mod_mem_cache.c
mod_include.c
mod_filter.c
mod_deflate.c
mod_log_config.c
mod_env.c
mod_mime_magic.c
mod_expires.c
mod_headers.c
mod_usertrack.c
mod_unique_id.c
mod_setenvif.c
mod_ssl.c
prefork.c
http_core.c
mod_mime.c
mod_status.c
mod_autoindex.c
mod_asis.c
mod_suexec.c
mod_cgi.c
mod_vhost_alias.c
mod_negotiation.c
mod_dir.c
mod_actions.c
mod_userdir.c
mod_alias.c
mod_rewrite.c
mod_so.c
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