Hi, I found some Bug 986427 - segfault error 4 at libc-2.17.so https://bugzilla.redhat.com/show_bug.cgi?id=986427
http://lists.arthurdejong.org/nss-pam-ldapd-users/2014/msg00136.html Does libc-2.17.so has bug? Regards, Nori On Mon, 6 Jun 2016 11:12:08 -0400 Steve Linberg <[email protected]> wrote: > Greetings all. > > Overall, my new toaster build is working great; however, combing the logs, I > still see a couple of issues I’d like to get to the bottom of. (CentOS 7.2, > built the toaster a couple of weeks ago.) > > The first is that I’m still getting a ton of segfaults from vchkpw, even > having raised the softlimit in /var/qmail/supervise/submission/run from the > default of 64000000 to 100000000, 128000000 and even 160000000. I sometimes > have 20 or more in a row in my logs: > > Jun 6 08:43:18 xxx kernel: vchkpw[25196]: segfault at 0 ip 00007fca89bdbad6 > sp 00007ffda62cef98 error 4 in libc-2.17.so[7fca89aa9000+1b7000] > Jun 6 08:43:21 xxx kernel: vchkpw[25200]: segfault at 0 ip 00007f2dd9f91ad6 > sp 00007ffc754d7b58 error 4 in libc-2.17.so[7f2dd9e5f000+1b7000] > Jun 6 08:43:23 xxx kernel: vchkpw[25204]: segfault at 0 ip 00007feb85bf8ad6 > sp 00007ffe1ad395c8 error 4 in libc-2.17.so[7feb85ac6000+1b7000] > > That said, I’m able to send / receive mail and log in to my imap system > without any problems, so I suspect these are triggered by login attempts from > someone else, but segfaults aren’t something I’m used to being comfortable > with, and I’m not even sure where to begin troubleshooting this. Googling > this hasn’t gotten me far. It may be a CentOS issue and not a toaster issue, > but it’s still a bit unnerving. Is there anything else in the toaster config > that I can look at or that might cause this? > > The second is hundreds of error messages from spamdyke in /var/log/maillog: > > Jun 6 10:56:32 xxx spamdyke[30667]: ERROR: invalid/unparsable nameserver > found: 2001:4860:4860::8844 > Jun 6 10:56:32 xxx spamdyke[30667]: ERROR: invalid/unparsable nameserver > found: 2001:4860:4860::8888 > > These are constant, and always with those addresses, which I’m 99% sure are > Google’s DNS servers in ipv6. I’m not actively using ipv6, and my first > thought was to just turn it off (in /etc/sysctl.conf), but even after a > reboot, I was still getting these messages, over and over in /var/log/maillog. > > Does anybody have any ideas on either of these issues? Thanks in advance. > > -- > Steve Linberg, Chief Goblin > Silicon Goblin Technologies > http://silicongoblin.com > Be kind. Remember, everyone you meet is fighting a hard battle. > /_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Telecommunications Association License No. A-18-9191 Government Resell License No. 301039703002 WATS CO.,LTD. Kawana Bldg, 5F Kamata Ota-ku Tokyo, 144-0052 JAPAN Phone 81-50-5830-5940 Ext&Mobile：201 VoiceMailDirect：201*1 FAX 81-50-5830-5941 http://wats.gr.jp Mail： wats @ wats.gr.jp Please remove the space between @ as double side Key fingerprint = B53D FF2F BFEA FDA8 1439 38AA 8281 9A3E C9B6 2FC9 /_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
