Hi,
I know I am late on the scene, but the issue was not really solved and this may be of interest for other people passing by. Indeed I have recently investigated the exact same issue: -> it seems Dovecot does something unsupported by Via U2250 when installed with any flavor of Linux-64bit, ending up with recurrent system freezing and no log. -> I experienced that situation on 2 Debian 7/64bit mail servers powered with U2250 (running Exim + Dovecot-imap). There are 3 options: -> find an alternate to Dovecot and keep the rest of your software and hardware configuration (alternates: uw imap, courier, cyrus - I achieved stability with courier but it was not convenient to me) -> keep going with the same software solution but change hardware (Kikinovak's costly option) -> change the running instruction set of your processor by installing an x86-32bit Linux (my choice - same packages selection, same config files and it works perfect) Hope it will help. Regards. Resource 1: two weeks of tests going back and forth between 3 64bit servers, 2 of them powered by U2250. Resource 2: a bunch of people struggling with a U2250 config and Dovecot - in French: linuxfr.org/forums/general-general/posts/crashs-etranges-de-serveur Resource 3: your thread. |
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