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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 46185] New: tpp.c:63: __pthread_tpp_change_priority failed
Date Tue, 11 Nov 2008 11:19:32 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=46185

           Summary: tpp.c:63: __pthread_tpp_change_priority failed
           Product: Apache httpd-2
           Version: 2.2.10
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: prefork
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: alexander.manhart@wochenblatt.de


Our System: SuSE Linux 10.3
gcc (GCC) 4.2.1 (SUSE Linux), libc-2.6.1.so

How Apache was built, configured:
CHOST="x86_64-pc-linux-gnu" CFLAGS="-march=native -O2 -pipe"
CXXFLAGS="${CFLAGS}" ./configure "--prefix=/opt/apache/2.2.10"
--datadir=/media/iscsi/virtualweb --enable-layout=wochenblatt
--with-mpm=prefork --enable-modules="so log_config dir mime"
--enable-mods-shared="info status alias cern_meta usertrack asis include
autoindex cgid imap deflate auth auth_anon auth_digest access cache mem_cache
file-cache cgi env filter ext_filter expires headers file_cache mime_magic
negotiation rewrite speling actions userdir setenvif authn-default authz-user
authz-default" --enable-static-support --enable-nonportable-atomics
--disable-ipv6 --enable-exception-hook --with-pic --with-included-apr

Additional we installed the module libphp4 (PHP 4.4.9).
apachectl -M
Loaded Modules:
 core_module (static)
 authn_file_module (static)
 authz_host_module (static)
 authz_groupfile_module (static)
 auth_basic_module (static)
 log_config_module (static)
 mpm_prefork_module (static)
 http_module (static)
 mime_module (static)
 dir_module (static)
 so_module (static)
 expires_module (shared)
 headers_module (shared)
 alias_module (shared)
 cgi_module (shared)
 info_module (shared)
 status_module (shared)
 whatkilledus_module (shared)
 backtrace_module (shared)
 php4_module (shared)

cat /var/log/apache2/error_log shows:
httpd-prefork: tpp.c:63: __pthread_tpp_change_priority: Assertion `new_prio ==
-1 || (new_prio >= __sched_fifo_min_prio && new_prio <= __sched_fifo_max_prio)'
failed.
[Tue Nov 11 11:17:25 2008] [notice] child pid 31832 exit signal Segmentation
fault (11)

cat /etc/apache2/extra/httpd-mpm.conf shows our settings:
<IfModule mpm_prefork_module>
    StartServers                8
    MinSpareServers            16
    MaxSpareServers            32
    ServerLimit               256
    MaxClients                196
    MaxRequestsPerChild     10000
    GracefulShutdownTimeout     5
</IfModule>

cat /etc/apache2/extra/httpd-default.conf shows our settings:
Timeout 120
KeepAlive On
MaxKeepAliveRequests 50
KeepAliveTimeout 3
HostnameLookups Off

Maybe someone can explain, why we get continuously Segmentation faults on Linux
SuSE 10.3?

Best regards,
Alexander Manhart


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