On Apr 10, 2008, at 3:21 PM, Wolfram Schlich wrote:
mail.info; dovecot: auth-worker(default): pam(XXXXXXXXXXXX,NNN.NN.NNN.NN): lookup service=imap kern.alert; kernel: grsec: From NN.NN.NN.NN: denied resource overstep by requesting 134242304 for RLIMIT_AS against limit 134217728 for /us authpriv.err; dovecot-auth: PAM unable to dlopen(/lib/security/ pam_unix.so) authpriv.err; dovecot-auth: PAM [error: /lib/security/pam_unix.so: failed to map segment from shared object: Cannot allocate memory] authpriv.err; dovecot-auth: PAM adding faulty module: /lib/security/ pam_unix.so mail.err; dovecot: auth-worker(default): pam(XXXXXXXXXXXX,NNN.NN.NNN.NN): pam_authenticate() failed: Authentication failure
I guess your PAM plugins are leaking memory. This should help:# Number of auth requests to handle before destroying the process. This may
# be useful if PAM plugins leak memory. #auth_worker_max_request_count = 0
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