imapd 2004a crashing frequently

Mon, 30 Aug 2004 00:33:11 -0700 

Hi all.

Imapd (UW IMAP 2004a on MacOS 10.3.5) has been crashing a lot on me lately: 343 times in eleven days. I'm not exactly sure what is going on when this happens, because I hardly notice anything at all in the client. In fact, this has been happening this often since I installed 2004a; before that, I've had this problem only two times. Before 2004a I used imap-2004a.DEV.SNAP-0405261606, which hasn't crashed once. The crashlogs from crashreporterd look very similar, last time it read:

Host Name:      iBook.local
Date/Time:      2004-08-29 14:53:17 +0200
OS Version:     10.3.5 (Build 7M34)
Report Version: 2

Command: imapd
Path:    /usr/local/sbin/imapd
Version: ??? (???)
PID:     20385
Thread:  0

Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000000

Thread 0 Crashed:
0   imapd       0x00045594 mbx_ping + 0x300 (mbx.c:778)
1   imapd       0x00044c38 mbx_open + 0x294 (mbx.c:525)
2   imapd       0x0001ba0c mail_open + 0x6f0 (mail.c:1206)
3   imapd       0x000047b0 main + 0x2408 (imapd.c:809)
4   imapd       0x00001e98 _start + 0x188 (crt.c:267)
5   dyld        0x8fe1a558 _dyld_start + 0x64

PPC Thread State:
  srr0: 0x00045594 srr1: 0x0000f030                vrsave: 0x00000000
    cr: 0x24000422  xer: 0x0000001a   lr: 0x00045468  ctr: 0x90010400
    r0: 0x00045468   r1: 0xbfffe7d0   r2: 0x00000000   r3: 0x00000000
    r4: 0x00000000   r5: 0xbfffe1a0   r6: 0x0000002c   r7: 0x00000c03
    r8: 0x00000000   r9: 0x00000000  r10: 0x018001c8  r11: 0x000b3e08
   r12: 0x90010400  r13: 0x00000001  r14: 0x000b4c5c  r15: 0x000b23c4
   r16: 0x00000000  r17: 0x000b4c60  r18: 0x000c4cc0  r19: 0x000b4c70
   r20: 0xbfffff70  r21: 0x00000000  r22: 0xbfffff30  r23: 0x00000001
   r24: 0x00000000  r25: 0x00000000  r26: 0xbfffff2c  r27: 0x00000005
   r28: 0x00000000  r29: 0x00000000  r30: 0x00402270  r31: 0x000452a8

Binary Images Description:
0x1000 - 0xb1fff imapd imapd
0x19f000 - 0x19ffff pam_securityserver.so /usr/lib/pam/pam_securityserver.so
0x1a2000 - 0x1a2fff pam_unix.so /usr/lib/pam/pam_unix.so
0x1a5000 - 0x1a5fff pam_deny.so /usr/lib/pam/pam_deny.so
0x1ad000 - 0x1affff pam_netinfo.so /usr/lib/pam/pam_netinfo.so
0x8fe00000 - 0x8fe4ffff dyld /usr/lib/dyld
0x90000000 - 0x90122fff libSystem.B.dylib /usr/lib/libSystem.B.dylib
0x90190000 - 0x9023dfff com.apple.CoreFoundation 6.3.4 (299.31) /System/Library/Frameworks/CoreFoundation.framework/Versions/ A/CoreFoundation
0x90280000 - 0x904f9fff com.apple.CoreServices.CarbonCore 10.3.5 /System/Library/Frameworks/CoreServices.framework/Versions/A/ Frameworks/CarbonCore.framework/Versions/A/CarbonCore
0x90570000 - 0x905dffff com.apple.framework.IOKit 1.3.5 (???) /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x907f0000 - 0x907f9fff com.apple.DiskArbitration 2.0.3 /System/Library/PrivateFrameworks/DiskArbitration.framework/ Versions/A/DiskArbitration
0x90d00000 - 0x90d1bfff com.apple.SystemConfiguration 1.7.1 (???) /System/Library/Frameworks/SystemConfiguration.framework/ Versions/A/SystemConfiguration
0x910b0000 - 0x91101fff com.apple.bom 1.2.5 (63.2) /System/Library/PrivateFrameworks/Bom.framework/Versions/A/Bom
0x920c0000 - 0x922a7fff com.apple.security 2.4 (177) /System/Library/Frameworks/Security.framework/Versions/A/ Security
0x939d0000 - 0x939d4fff libmathCommon.A.dylib /usr/lib/system/libmathCommon.A.dylib
0x945b0000 - 0x945b9fff libz.1.dylib /usr/lib/libz.1.dylib
0x968d0000 - 0x969b2fff libicucore.A.dylib /usr/lib/libicucore.A.dylib
0x96a20000 - 0x96ae2fff libcrypto.0.9.7.dylib /usr/lib/libcrypto.0.9.7.dylib
0x96b40000 - 0x96b6efff libssl.0.9.7.dylib /usr/lib/libssl.0.9.7.dylib
0x96dc0000 - 0x96dd3fff libpam.1.dylib /usr/lib/libpam.1.dylib

(Sorry about the large amount of data, I thought all of this might be relevant.)
I use mbx-mailboxes and compiled using make oxp SSLTYPE=unix. I made a few small changes to the source code:
• in src/osdep/unix/Makefile I changed
CREATEPROTO=unixproto
to
CREATEPROTO=mbxproto
• in src/osdep/unix/env_unix.c, I used the following alteration of mymailboxdir():
static char *mymailboxdir ()
{
unsigned long flags;
char *user = myusername_full (&flags);
/* initialize if first time and logged in */
if (!myMailboxDir && !(flags & MU_NOTLOGGEDIN)) {
char tmp[MAILTMPLEN];
sprintf (tmp,"/var/imap/%s",myusername ());
myMailboxDir = cpystr (tmp);/* use subdirectory of /var/imap */
}
return myMailboxDir ? myMailboxDir : "";
}
• in the same rc/osdep/unix/env_unix.c, I changed
static short hideDotFiles = NIL;/* hide files whose names start with . */
to
static short hideDotFiles = T;/* hide files whose names start with . */

I've used these changes for two years or so, and they've always worked just fine.
Should I provide any more information?

Any ideas on what might be going wrong?

Thanks a lot.

        Beernd Noordkamp
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