Hi On Tue, 2015-04-07 at 09:04:13 +0200, Oswald Buddenhagen wrote: > the output of -DMn would be a good start in either case.
Ok, attached a redacted log (please let me know if I omitted something that would otherwise help). And a (redacted) gdb dump of the state just prior to one of the instance errors: ,--- Breakpoint 1, box_confirmed2 (svars=0x64db20, t=1) at sync.c:1056 1056 error( "Error: channel %s: %s %s cannot be opened.\n", (gdb) p *svars $6 = {t = {0, 1}, cb = 0x405e08 <done_sync>, aux = 0x7fffffffe120, dname = 0x64cdb0 "<HOME>/.state/mbsync/debian.lists.announce", jname = 0x6a6440 "<HOME>/.state/mbsync/debian.lists.announce.journal", nname = 0x6a64b0 "<HOME>/.state/mbsync/debian.lists.announce.new", lname = 0x6a6520 "<HOME>/.state/mbsync/debian.lists.announce.lock", box_name = {0x64dc40 "debian/lists/announce", 0x64dc60 "debian.lists.announce"}, jfp = 0x0, nfp = 0x0, srecs = 0x64cdf0, srecadd = 0x6b34b0, chan = 0x628d00, ctx = {0x7ffff7f99010, 0x62a680}, drv = {0x627860 <imap_driver>, 0x627940 <maildir_driver>}, orig_name = { 0x64c880 "debian/lists/announce", 0x64c880 "debian/lists/announce"}, new_msgs = {0x0, 0x0}, state = {25600, 8192}, ref_count = 2, nsrecs = 102, ret = 0, lfd = 5, existing = 1, replayed = 0, new_pending = {0, 0}, flags_pending = {0, 0}, trash_pending = {0, 0}, maxuid = {103, 0}, newmaxuid = {103, 0}, uidval = {1207596529, 1404794291}, newuid = {0, 0}, mmaxxuid = 2147483647, smaxxuid = 0} (gdb) p *svars->chan $7 = {next = 0x0, name = 0x628d60 "server", stores = {0x628b70, 0x6280f0}, boxes = {0x0, 0x0}, sync_state = 0x628e30 "<HOME>/.state/mbsync/", patterns = 0x628e10, ops = {7183, 47}, max_messages = 0, expire_unread = -1 '\377', use_internal_date = 0 '\000'} (gdb) c Error: channel server: slave debian/lists/announce cannot be opened. C: 0/1 B: 3/74 M: +0/0 *0/0 #0/0 S: +0/0 *0/0 #0/0 `--- If you need additional debugging dumps, I'll gladly oblige. Thanks, Guillem
Opening slave store local... pattern '*' (effective '*'): Path, no INBOX got mailbox list from slave: Connection is now encrypted * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN] Dovecot ready. Logging in... Authenticating with SASL mechanism PLAIN... >>> 1 AUTHENTICATE PLAIN <authdata> 1 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS SPECIAL-USE BINARY MOVE] Logged in >>> 2 NAMESPACE * NAMESPACE (("" "/")) NIL NIL 2 OK Namespace completed. pattern '*' (effective '*'): Path, no INBOX >>> 3 LIST "" "*" * LIST (\HasNoChildren) "/" debian/lists/announce * LIST (\HasNoChildren) "/" debian/lists/devel-announce * LIST (\HasNoChildren) "/" debian/lists/security-announce […] * LIST (\HasNoChildren) "/" INBOX 3 OK List completed. got mailbox list from master: INBOX debian/lists/security-announce debian/lists/devel-announce debian/lists/announce […] Opening master box debian/lists/announce... >>> 6 SELECT "debian/lists/announce" Opening slave box debian/lists/announce... * OK [CLOSED] Previous mailbox closed. * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. * 102 EXISTS * 0 RECENT * OK [UNSEEN 70] First unseen. * OK [UIDVALIDITY 1207596529] UIDs valid * OK [UIDNEXT 104] Predicted next UID 6 OK [READ-WRITE] Select completed (0.000 secs). Error: channel server: slave debian/lists/announce cannot be opened. […] Opening master box debian/lists/devel-announce... >>> 11 SELECT "debian/lists/devel-announce" Opening slave box debian/lists/devel-announce... * OK [CLOSED] Previous mailbox closed. * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. * 2055 EXISTS * 0 RECENT * OK [UNSEEN 1243] First unseen. * OK [UIDVALIDITY 1207596536] UIDs valid * OK [UIDNEXT 2057] Predicted next UID 11 OK [READ-WRITE] Select completed (0.001 secs). Error: channel server: slave debian/lists/devel-announce cannot be opened. […] Opening master box debian/lists/security-announce... >>> 24 SELECT "debian/lists/security-announce" Opening slave box debian/lists/security-announce... * OK [CLOSED] Previous mailbox closed. * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. * 1924 EXISTS * 0 RECENT * OK [UNSEEN 1924] First unseen. * OK [UIDVALIDITY 1207612933] UIDs valid * OK [UIDNEXT 1925] Predicted next UID 24 OK [READ-WRITE] Select completed (0.000 secs). Error: channel server: slave debian/lists/security-announce cannot be opened. […] >>> 78 LOGOUT * BYE Logging out 78 OK Logout completed.