> Meaning the first crash was with 1.5.3, correct? Yes. It started happening with 1.5.3 (which had been stable for a while), and continues to happen with 1.5.9.
> Ok, a part from the informations Oliver requested please provide: > - "haproxy -vv" output HA-Proxy version 1.5.9 2014/11/25Copyright 2000-2014 Willy Tarreau <w...@1wt.eu> Build options : TARGET = linux2628 CPU = generic CC = gcc CFLAGS = -O2 -g -fno-strict-aliasing OPTIONS = USE_ZLIB=0 USE_OPENSSL=1 USE_PCRE=1 Default settings : maxconn = 2000, bufsize = 16384, maxrewrite = 8192, maxpollevents = 200 Encrypted password support via crypt(3): yesBuilt with zlib version : 1.2.3Compression algorithms supported : identity, deflate, gzipBuilt with OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013Running on OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013OpenSSL library supports TLS extensions : yesOpenSSL library supports SNI : yesOpenSSL library supports prefer-server-ciphers : yesBuilt with PCRE version : 7.8 2008-09-05PCRE library supports JIT : no (USE_PCRE_JIT not set)Built with transparent proxy support using: IP_TRANSPARENT IPV6_TRANSPARENT IP_FREEBIND Available polling systems : epoll : pref=300, test result OK poll : pref=200, test result OK select : pref=150, test result OKTotal: 3 (3 usable), will use epoll. - dmesg output Nothing around the time it stops, apart from a sprinkling of these: [5271224.903262] TCP: Peer 195.109.63.17:39873/80 unexpectedly shrunk window 2728504469:2728504712 (repaired) - was haproxy compiled on this VM? Yes. - are you using CPU=native? Try CPU=generic instead Yes, CPU native. Will try generic.