Floating point exception in httpd, FreeBSD 10.1, Cyrus-IMAPd 2.5.3
Bron Gondwana
brong at fastmail.fm
Wed May 27 03:33:41 EDT 2015
Rebuilding with debugging symbols would be a great first step.
Other than that - are you using DIGEST-MD5 authentication? I suspect
that might be the problem.
Bron.
On Wed, May 27, 2015, at 05:18 PM, Scott Lambert wrote:
> 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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--
Bron Gondwana
brong at fastmail.fm
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