It worked! I wrote fs.suid_dumpable=1 in /etc/sysctl.conf, `sysctl -p` and restarted dirsrv. Now it dumps. Thank you! I will report here the backtrace when it occurs. Regards, Dael Maselli. On 07/09/10 19.44, Ulf Weltman wrote: > On 9/7/2010 8:25 AM, Dael Maselli wrote: >> Hi Rich, >> >> On 07/09/10 16.56, Rich Megginson wrote: >>> Do you see seg fault messages in /var/log/messages? >> Sure: ns-slapd[13737]: segfault at 00000000000000bc rip 0000003abb420375 >> rsp 00000000580d85d0 error 4 >> >> >>> The directory server dumps core in the log file directory, which by >>> default is /var/log/dirsrv/slapd-INSTANCE >> Yes, it is the same as working directory: >> # ls -l /proc/`pidof ns-slapd`/cwd >> lrwxrwxrwx 1 root root 0 Sep 7 17:12 /proc/18721/cwd -> >> /var/log/dirsrv/slapd-ds1 >> >> >>> Is the crash easily reproducible? >> No, it isn't. It seems random, but I can simulate a crash with kill >> -QUIT. >> >> I tried killing a simple `sleep 10`: >> >> # ulimit -c unlimited >> >> # sleep 10& >> [1] 19726 >> >> # kill -QUIT 19726 >> [1]+ Quit (core dumped) sleep 10 >> >> # ls -l core.* >> -rw------- 1 root root 290816 Aug 31 08:52 core.1008 >> >> But if I kill -QUIT ns-slapd no file is created. > ns-slapd typically runs as setuid to a non-root user. Check what > fs.suid_dumpable or kernel.suid_dumpable are set to. >> Thanks, >> Dael Maselli. >> >> > > > > -- > 389 users mailing list > 389-users at lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/389-users -- ___________________________________________________________________ Dael Maselli --- INFN-LNF Computing Service -- +39.06.9403.2214 ___________________________________________________________________ * Il Buco Nero * http://www.buconero.eu * ___________________________________________________________________ Democracy is two wolves and a lamb voting on what to have for lunch ___________________________________________________________________ -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 2957 bytes Desc: S/MIME Cryptographic Signature Url : http://lists.fedoraproject.org/pipermail/389-users/attachments/20100908/114f1aee/attachment.bin