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Bug #13970 possible deadlock?
Submitted: 2001-11-07 05:28 UTC Modified: 2001-12-18 09:55 UTC
From: fuf at mobil dot cz Assigned:
Status: Closed Package: Performance problem
PHP Version: 4.0.6 OS: linux, kernel 2.2.x
Private report: No CVE-ID: None
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 [2001-11-07 05:28 UTC] fuf at mobil dot cz 
hello,

with php 4.0.6 apache stops responding after 3-12 hours of working whereas with 4.0.5 everything's okay. it definitely looks like some kind of a deadlock and it's unpredictable when the it happens.

php is compiled with these options:
    CFLAGS="-O6 -march=i686 -fomit-frame-pointer" \
    ./configure \
        -with-sybase-ct=/home/sybase \
        --enable-sysvsem \
        --enable-sysvshm \
        --enable-memory-limit \
        --enable-sockets \
        --disable-session \
        --with-gmp \
        --with-dbase \
        --with-gd \
        --enable-gd-native-ttf \
        --with-freetype-dir=/usr/local \
        --with-jpeg-dir=/usr \
        --with-png-dir=/usr \
        --with-zlib-dir=/usr \
        --without-mysql \
        --with-apache=../apache

the same bad behaviour occurs with php compiled as a standalone aplication when the script runs for a longish time.

the memory-limit patch for 4.0.6 was installed.

thanks
	Michal Vitecek

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 [2001-11-07 05:45 UTC] rasmus@php.net 
Any chance you could test the current CVS code?  Snapshots are available from http://snaps.php.net
 [2001-11-07 06:29 UTC] fuf at mobil dot cz 
okay - i tried with php4-200111070000. no luck though because there were some other issues:
	- compilation problems (the configure script wrongly thinks that gdImageColorResolve is undefined in gd-2.0.1)
	- stability problems (the apache children segfaulted - one each ~3 secs)
	- other problems (this version claimed that some files couldn't be stated because of permissions - apparently wrong because the files are created by the same user that reads them and are normally accessible + no problems with 4.0.5-6).
 [2001-12-12 19:14 UTC] yohgaki@php.net 
Could you try PHP 4.1.0 see if it help? and report the result?
 [2001-12-18 09:53 UTC] fuf at mobil dot cz 
4.1.0 works all okay - i've encoutered no strange behaviour.

thanks for the good work!

   Michal Vitecek
 [2001-12-18 09:54 UTC] jpm@php.net 
Status -> closed.
 [2001-12-18 09:55 UTC] derick@php.net 
status -> close
 
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