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From "Piotr Kloc" <...@rdl.pl>
Subject [users@httpd] problem with uploads
Date Tue, 17 Aug 2010 11:40:51 GMT
Hello !

I am using apache and suphp but I think its not a PHP problem

When I uploaded some files I got 500 errors in my apps after few seconds of uploading.

I debug the apache process that handle the upload request and I can see the following

write(7663, "\355\251\312\37\35689\253\235i:jQ\350w*\234\2113`\304\326\301\241\233\357\0>`C\3\221\221"...,
588) = 588
poll([{fd=7661, events=POLLIN}], 1, 360000) = 1 ([{fd=7661, revents=POLLIN}])
read(7661, "H%e\334\31;|\303\333\267\343ZS\304)\305\251-\314\251\246\247#^\320M-\273\20\2\263\234\343"...,
8000) = 1460
write(7663, "H%e\334\31;|\303\333\267\343ZS\304)\305\251-\314\251\246\247#^\320M-\273\20\2\263\234\343"...,
1460) = 1460
poll([{fd=7661, events=POLLIN}], 1, 360000) = 1 ([{fd=7661, revents=POLLIN}])
read(7661, "1z\244\344\310r\6\17Z\371*r\266!\304P\217?\275\334\264\211\r\345\271P\206GV(\341\220\205"...,
8000) = 588
write(7663, "1z\244\344\310r\6\17Z\371*r\266!\304P\217?\275\334\264\211\r\345\271P\206GV(\341\220\205"...,
588) = 588
poll([{fd=7661, events=POLLIN}], 1, 360000) = 1 ([{fd=7661, revents=POLLIN}])
read(7661, "<`\343\374\363\212\303\353\36\326\272r]\f\2516\244\322*\337O\346\307\301\340W;\255\352\16\331\334\314"...,
8000) = 1460
write(7663, "<`\343\374\363\212\303\353\36\326\272r]\f\2516\244\322*\337O\346\307\301\340W;\255\352\16\331\334\314"...,
1460) = 1460
poll([{fd=7661, events=POLLIN}], 1, 360000) = 1 ([{fd=7661, revents=POLLIN}])
read(7661, "\333g\250\3040\f\31;\312\344\310x\364\3060?\255u\244\336&('\4\323E)\357<\226$\222\241"...,
8000) = 588
write(7663, "\333g\250\3040\f\31;\312\344\310x\364\3060?\255u\244\336&('\4\323E)\357<\226$\222\241"...,
588) = 588
poll([{fd=7661, events=POLLIN}], 1, 360000) = 1 ([{fd=7661, revents=POLLIN}])
read(7661, "\327\245u\342\251{J~\314\327\206\361\327\235\232<\357\304\272lq\t\n\261o\367\206\17J\307\322b\222"...,
8000) = 1460
write(7663, "\327\245u\342\251{J~\314\327\206\361\327\235\232<\357\304\272lq\t\n\261o\367\206\17J\307\322b\222"...,
1460) = 1460
poll([{fd=7661, events=POLLIN}], 1, 360000) = ? ERESTART_RESTARTBLOCK (To be restarted)
--- SIGCHLD (Child exited) @ 0 (0) ---
restart_syscall(<... resuming interrupted call ...>) = 1
read(7661, "\240\222}\272\343\361\25=\251s\0240\22\302$;\260\34\216~\236\370\25\236\222\211\264R\271j#\345\206"...,
8000) = 588
write(7663, "\240\222}\272\343\361\25=\251s\0240\22\302$;\260\34\216~\236\370\25\236\222\211\264R\271j#\345\206"...,
588) = -1 EPIPE (Broken pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
poll([{fd=7661, events=POLLIN}], 1, 360000) = 1 ([{fd=7661, revents=POLLIN}])
read(7661, "[k_2\361\276uxS\34\376\3\212\236\340\307p\373\3067(\333\323\250\377\0&\243\27RN\232i"...,
8000) = 1460
write(7663, "[k_2\361\276uxS\34\376\3\212\236\340\307p\373\3067(\333\323\250\377\0&\243\27RN\232i"...,
1460) = -1 EPIPE (Broken pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---


what means 

poll([{fd=7661, events=POLLIN}], 1, 360000) = ? ERESTART_RESTARTBLOCK (To be restarted) ?

main apache process killed the child process ?

I am using prefork and settings

Timeout 360
KeepAlive On

MaxKeepAliveRequests 100000
KeepAliveTimeout 5

    StartServers          20
    MinSpareServers       20
    MaxSpareServers      40
    ServerLimit         380
    MaxClients          380
    MaxRequestsPerChild   100000

Regards,
Piotr





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