Floating point exception in httpd, FreeBSD 10.1, Cyrus-IMAPd 2.5.3
Scott Lambert
lambert at lambertfam.org
Wed May 27 03:18:28 EDT 2015
I suspect I have a problem which is purely local to my machine.
Probably user/admin error. I have fought it in my spare time the past
several days. At this point, I would really appreciate some help to get
this figured out.
I've upgraded my personal system from 2.4.17 to 2.5.3. I actually
installed 2.5.2 the day before 2.5.3 was released and had, apparently,
the same issue with 2.5.2.
FreeBSD 10.1-STABLE (mid-February). Cyrus is running inside a FreeBSD
jail. The jail only has a private IP and is NATed in from the public by
the firewall. List of installed packages below the .sig, just in case.
I rebuilt/reinstalled the cyrus-* packages and postfix last night just
to make sure they were consistent with the other libraries.
I'm trying to learn how to use the caldav services in
iCal on my MacBook. I've configured iCal according to
http://cyrusimap.org/docs/cyrus-imapd/2.5.3/install-http.php
(hopefully), but I don't seem to get very far.
IMAPd and POP3 seem to be working perfectly.
I've added to imapd.conf:
caldav_allowscheduling: yes
httpmodules: caldav carddav domainkey ischedule rss
and changed the autocreate options.
I've added to cyrus.conf in the SERVICES section:
https cmd="httpd -s" listen="8443" prefork=1
iCal throws this error when I try to create new calendar on the server:
"Calendar encountered a critical error while saving to the database, and
recent changes may be lost. More information may be available in the
console."
console shows:
5/27/15 12:00:15.628 AM CalendarAgent[284]: [com.apple.calendar.store.log.caldav.queue] [Got error on refresh, but not rectifying principal because it was manually configured: Error Domain=NSURLErrorDomain Code=-1005 "The network connection was lost." UserInfo=0x7ff03dd65160 {NSUnderlyingError=0x7ff03b6a0220 "The network connection was lost.", NSErrorFailingURLStringKey=https://lambert%40lambertfam.org@mail.lambertfam.org:8443/dav/calendars/user/, NSErrorFailingURLKey=https://lambert%40lambertfam.org@mail.lambertfam.org:8443/dav/calendars/user/, NSLocalizedDescription=The network connection was lost.}]
5/27/15 12:00:15.632 AM CalendarAgent[284]: [com.apple.calendar.store.log.caldav.queue] [Account refresh failed with error: Error Domain=NSURLErrorDomain Code=-1005 "The network connection was lost." UserInfo=0x7ff03dbb81e0 {NSUnderlyingError=0x7ff03b6a0220 "The network connection was lost.", NSErrorFailingURLStringKey=https://lambert%40lambertfam.org@mail.lambertfam.org:8443/dav/calendars/user/, NSErrorFailingURLKey=https://lambert%40lambertfam.org@mail.lambertfam.org:8443/dav/calendars/user/, AccountName=lambertfam.org at https://mail.lambertfam.org:8443/, CalDAVErrFromRefresh=YES, NSLocalizedDescription=The network connection was lost.}]
at the same time, in the imap.log, I see:
May 27 00:00:15 mail https[20778]: inittls: Loading hard-coded DH parameters
May 27 00:00:15 mail https[20778]: starttls: TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits new) no authentication
May 27 00:00:15 mail master[19572]: process type:SERVICE name:https path:/usr/local/cyrus/bin/httpd age:0.165s pid:20778 signaled to death by signal 8 (Floating point exception)
I suspect my issue is whatever is causing the FPE in https.
running truss on the httpd ends in :
...
sigaction(SIGALRM,{ 0x804a54d80 SA_RESTART|SA_SIGINFO ss_t },{ 0x804a54d80 SA_RESETHAND|SA_SIGINFO ss_t }) = 0 (0x0)^M
sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0)^M
open("/imap/cd1/msg/shutdown",O_RDONLY,0666) ERR#2 'No such file or directory'^M
sigprocmask(SIG_BLOCK,SIGINT|SIGQUIT|SIGALRM|SIGTERM|SIGCHLD,0x0) = 0 (0x0)^M
pselect(0x1,0x7fffffff8ee0,0x0,0x0,0x7fffffff8e38,0x7fffffff8e18) = 1 (0x1)^M
sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0)^M
sigprocmask(SIG_BLOCK,SIGINT|SIGQUIT|SIGALRM|SIGTERM|SIGCHLD,0x0) = 0 (0x0)^M
pselect(0x1,0x7fffffff9ef0,0x0,0x0,0x7fffffff9e88,0x7fffffff9e68) = 1 (0x1)^M
sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0)^M
read(0,"\^W\^C\^C\^A\M^@",5) = 5 (0x5)^M
read(0,"`^\M-Y\M^Z_{\M-,\M-5\M-u\M-%AK"...,384) = 384 (0x180)^M
setitimer(0,{0.000000, 0.000000 },{0.000000, 0.000000 }) = 0 (0x0)^M
issetugid(0x804dbe490,0x80500e098,0x1,0x0,0x80602f0a8,0x8080808080808080) = 0 (0x0)^M
open("/usr/share/zoneinfo/UTC",O_RDONLY,00) = 10 (0xa)^M
fstat(10,{ mode=-r--r--r-- ,inode=267701,size=118,blksize=4096 }) = 0 (0x0)^M
read(10,"TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0"...,41448) = 118 (0x76)^M
close(10) = 0 (0x0)^M
issetugid(0x804dbe494,0x8064ed000,0x0,0xffffffd0,0x0,0x0) = 0 (0x0)^M
open("/usr/share/zoneinfo/posixrules",O_RDONLY,00) = 10 (0xa)^M
fstat(10,{ mode=-r--r--r-- ,inode=267649,size=3519,blksize=4096 }) = 0 (0x0)^M
read(10,"TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0"...,41448) = 3519 (0xdbf)^M
close(10) = 0 (0x0)^M
openat(0xffffff9c,0x802018977,0x0,0x0,0x2,0x8064dc010) = 10 (0xa)^M
read(10,"\M-I\^T\M^Z\^Ocq",6) = 6 (0x6)^M
close(10) = 0 (0x0)^M
getrusage(0,{ u=0.072776,s=0.081873,in=0,out=8 }) = 0 (0x0)^M
SIGNAL 8 (SIGFPE)^M
process exit, rval = 0^M
I got a corefile. The truss and the core were different instances, IIRC:
-rw------- 1 cyrus cyrus 458752 May 27 00:00 httpd.00.core
gdb says:
Core was generated by `httpd'.
Program terminated with signal 8, Arithmetic exception.
Cannot access memory at address 0x8008747d0
#0 0x0000000806a0f664 in ?? ()
The binary is stripped. I may have to rebuild the port and keep the
unstripped binary to get further info.
I don't know what to do to troubleshoot this further.
--
Scott Lambert KC5MLE Unix SysAdmin
lambert at lambertfam.org
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