squid 3.5.4 and squid 3.5.5 run fails with syslog err "failed to ftruncate"

[TP75]

Squid3 compiles but "load squid3" run fails with syslog err "failed to ftruncate" regularily. The child squid is stopped due to the resulting file troubles apparently.

This issue seems not be solved by Ticket #47080

Error is active since changing from 3.4.11 to 3.5.x and would be good to have a squid3_3.4.x variant continued, I suppose.

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entry for error from system.log:

Ipc::Mem::Segment::create failed to ftruncate(/squid-cf__metadata.shm): (22) Invalid argument

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squid -v

Squid Cache: Version 3.5.5
Service Name: squid
configure options:  '--prefix=/opt/local' '--mandir=/opt/local/share/man' '--sysconfdir=/opt/local/etc/squid' '--datadir=/opt/local/share/squid' '--localstatedir=/opt/local/var/squid' '--libexecdir=/opt/local/libexec/squid' '--with-pidfile=/opt/local/var/run/squid/squid.pid' '--disable-strict-error-checking' '--disable-loadable-modules' '--disable-arch-native' '--without-gnutls' '--without-mit-krb5' '--without-heimdal-krb5' '--without-gnugss' '--enable-delay-pools' '--enable-zph-qos' '--enable-removal-policies' '--enable-storeio=ufs,aufs,diskd,rock' '--enable-disk-io=AIO,Blocking,DiskDaemon,DiskThreads,Mmapped' '--enable-log-daemon-helpers' '--with-default-user=squid' '--enable-auth' '--enable-auth-basic' '--enable-auth-digest' '--enable-auth-negotiate=wrapper' '--enable-auth-ntlm' '--enable-external-acl-helpers=SQL_session eDirectory_userip file_userip time_quota unix_group wbinfo_group' '--with-openssl=/opt/local' 'CC=/usr/bin/clang' 'CFLAGS=-pipe -Os -arch x86_64' 'LDFLAGS=-L/opt/local/lib -Wl,-headerpad_max_install_names -arch x86_64' 'CPPFLAGS=-I/opt/local/include' 'CXX=/usr/bin/clang++' 'CXXFLAGS=-pipe -Os -arch x86_64 -stdlib=libc++'

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environment:

Apple Mac OS X 10.9.5 (13F1077)
Apple XCode Version 6.2 (6C131e)

macports 2.3.3
squid3 @3.5.5_0+openssl

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