#19886 [Opn]: readfile, fread, fpassthru won't work with large files!!!

ID: 19886 Updated by: nicos@php.net Reported By: spic@php.net Status: Open -Bug Type: Reproducible crash +Bug Type: Performance problem Operating System: Windows, any Version PHP Version: 4CVS-2002-10-13 New Comment: That last comment should let us open it back. Removing the "big-files-passthrough" let the scripts run properly. @Wez: can you check it? may be its because of the position of the stream at the end of the execution of the first checksize? Previous Comments: ------------------------------------------------------------------------ [2002-10-13 10:19:11] spic@php.net The following snippets illustrate the environment [frameset.php] ->frame1.php ->frame2.php ->frame3.php [frame1.php] <? header("Content-type: application/pdf\n"); readfile("some_100k_large.pdf"); ?> [frame2.php] <? echo "Something"; ?> [frame3.php] <? echo "else"; ?> ------------------------------------------------------------------------ [2002-10-13 10:16:01] spic@php.net @wez: These scripts don't use sessions. They run of a CD in a single-user-environment. @nicos: Calling the "passthrough"-script directly works without errors. But calling it in an frameset (together with two other scripts) crashes when outputting a file > 100k, The php_stream_read() returns the correct filesize. The fact, that the parrallel execution of three scripts of one handles a big file may be the source of the problem. There are no write-accesses. Only Read-Accesses to small config-files. Removing the "big-files-passthrough" let the scripts run properly. ------------------------------------------------------------------------ [2002-10-13 10:02:11] wez@php.net Can you reduce this to the simplest combination of scripts? (That don't use sessions). ------------------------------------------------------------------------ [2002-10-13 09:37:40] nicos@php.net did you checked if php_stream_read() was returning the right filesize value? that was the first bug. ------------------------------------------------------------------------ [2002-10-13 09:10:57] spic@php.net Note: Calling sleep(5) before dumping the PDF solves the problem, so I think the bug is related to a memory management/multithreading problem... ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at http://bugs.php.net/19886 -- Edit this bug report at http://bugs.php.net/?id=19886&edit=1