Bug 3738 - UI frequently hangs when clicking on a folder or a message
Summary: UI frequently hangs when clicking on a folder or a message
Status: NEW
Alias: None
Product: Claws Mail (GTK 2)
Classification: Unclassified
Component: Folders/IMAP (show other bugs)
Version: 3.14.1
Hardware: HP Linux
: P3 normal
Assignee: users
URL:
Depends on:
Blocks:
 
Reported: 2016-11-28 20:44 UTC by johannes
Modified: 2018-06-28 21:06 UTC (History)
0 users

See Also:


Attachments

Description johannes 2016-11-28 20:44:18 UTC
The status line reads "Opening folder", "Scanning folder" or "Fetching Message" and nothing happens for quite a while (50 seconds the last time I counted).

I experience the same behaviour with different accounts (all IMAP). The frequency is maybe 1 out of 20 to 30 actions.
Comment 1 Paul 2016-11-28 23:15:59 UTC
What does the network log say during these incidents? (/Tools/Network log)
Comment 2 johannes 2016-11-29 06:54:08 UTC
It repeatedly shows "IMAP< [FETCH data - 2500 bytes]" (also other numbers < 4k) and then eventually "MAP< 65 OK Success". May this be some other task that has to be finished before actually performing the listing or fetching?
Comment 3 johannes 2016-12-01 09:25:00 UTC
Thanks to the network log, I can confirm that every time an action keeps hanging (status message ending with ..., turning mouse wheel, irresponsive application) there is a continuous flow of "FETCH DATA" operations to be observed and the action is only perform after these have finished.
Comment 4 Andrej Kacian 2016-12-01 09:41:36 UTC
The interesting bits would come a few lines just before the deluge of FETCH lines happens, and perhaps a few lines just after. That could tell us what is actually being fetched.
Comment 5 johannes 2016-12-01 10:01:53 UTC
A sample from the log below. Is there a way to store the whole log on disk?

[10:57:16] IMAP> 25 SELECT "[Gmail]/Sent Mail" 
[10:57:16] IMAP< * FLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $Label3 $NotPhishing $Phishing Junk NonJunk) 
[10:57:16] IMAP< * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $Label3 $NotPhishing $Phishing Junk NonJunk \*)] Flags permitted. 
[10:57:16] IMAP< * OK [UIDVALIDITY 594878695] UIDs valid. 
[10:57:16] IMAP< * 16230 EXISTS 
[10:57:16] IMAP< * 0 RECENT 
[10:57:16] IMAP< * OK [UIDNEXT 19019] Predicted next UID. 
[10:57:16] IMAP< * OK [HIGHESTMODSEQ 15657458] 
[10:57:16] IMAP< 25 OK [READ-WRITE] [Gmail]/Sent Mail selected. (Success) 
[10:57:16] IMAP- [fetching UIDs...]
[10:57:16] IMAP> 26 UID FETCH 1:* (UID) 
[10:57:16] IMAP< [FETCH data - 514 bytes]
[10:57:16] IMAP< [FETCH data - 1576 bytes]
[10:57:16] IMAP< [FETCH data - 2050 bytes]
[10:57:16] IMAP< [FETCH data - 250 bytes]
[10:57:16] IMAP< [FETCH data - 2300 bytes]
[10:57:16] IMAP< [FETCH data - 2300 bytes]
[10:57:16] IMAP< [FETCH data - 2300 bytes]
[10:57:16] IMAP< [FETCH data - 2300 bytes]
[10:57:16] IMAP< [FETCH data - 2300 bytes]
[10:57:16] IMAP< [FETCH data - 2300 bytes]
[10:57:16] IMAP< [FETCH data - 2300 bytes]
...
[10:57:16] IMAP< [FETCH data - 2700 bytes]
[10:57:16] IMAP< [FETCH data - 2700 bytes]
[10:57:16] IMAP< [FETCH data - 2700 bytes]
[10:57:16] IMAP< [FETCH data - 2700 bytes]
[10:57:16] IMAP< [FETCH data - 810 bytes]
[10:57:16] IMAP< 26 OK Success 
[10:57:16] IMAP- [fetching flags...]
[10:57:16] IMAP> 27 UID FETCH 1:* (FLAGS UID) 
[10:57:17] IMAP< [FETCH data - 1026 bytes]
[10:57:17] IMAP< [FETCH data - 2050 bytes]
[10:57:17] IMAP< [FETCH data - 414 bytes]
[10:57:17] IMAP< [FETCH data - 3700 bytes]
[10:57:17] IMAP< [FETCH data - 3710 bytes]
[10:57:17] IMAP< [FETCH data - 3709 bytes]
[10:57:17] IMAP< [FETCH data - 3709 bytes]
...
[10:59:54] IMAP< [FETCH data - 2700 bytes]
[10:59:54] IMAP< [FETCH data - 2700 bytes]
[10:59:54] IMAP< [FETCH data - 2700 bytes]
[10:59:54] IMAP< [FETCH data - 810 bytes]
[10:59:54] IMAP< 53 OK Success 
[10:59:54] IMAP- [fetching flags...]
[10:59:54] IMAP> 54 UID FETCH 1:* (FLAGS UID) 
[10:59:55] IMAP< [FETCH data - 1026 bytes]
[10:59:55] IMAP< [FETCH data - 2050 bytes]
[10:59:55] IMAP< [FETCH data - 414 bytes]
[10:59:55] IMAP< [FETCH data - 3700 bytes]
...
[10:59:55] IMAP< [data - 54 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 74 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 90 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [FETCH data - 320 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 124 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 64 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 64 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 124 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 64 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [data - 83 bytes]
[10:59:55] IMAP< [FETCH data - 4096 bytes]
[10:59:55] IMAP< [FETCH data - 1284 bytes]
[10:59:55] IMAP< 54 OK Success 
[10:59:55] IMAP> 55 STATUS "[Gmail]/Spam" (MESSAGES UIDNEXT UIDVALIDITY UNSEEN) 
[10:59:55] IMAP< * STATUS "[Gmail]/Spam" (MESSAGES 196 UIDNEXT 116929 UIDVALIDITY 594878704 UNSEEN 171) 
[10:59:55] IMAP< 55 OK Success
Comment 6 johannes 2016-12-03 14:32:29 UTC
The same applies to sending mails: The mails are eventually send after minutes of "FETCH data" lines in the network log.
Comment 7 johannes 2016-12-05 09:55:14 UTC
LDAP lookups are also blocked by the "FETCH data" thing.
Comment 8 johannes 2016-12-08 09:44:09 UTC
I'm unable to provide you all but the last 500 lines from that log:


[10:42:38] IMAP< 82
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP<  (UID 83769 FLAGS (\Seen)) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 4096 bytes]
[10:42:38] IMAP< )) 
[10:42:38] IMAP< [FETCH data - 574 bytes]
[10:42:38] IMAP< 148 OK Success 
[10:42:38] IMAP> 149 STATUS "[Gmail]/Important" (MESSAGES UIDNEXT UIDVALIDITY UNSEEN) 
[10:42:39] IMAP< * STATUS "[Gmail]/Important" (MESSAGES 31225 UIDNEXT 61369 UIDVALIDITY 594878751 UNSEEN 1554) 
[10:42:39] IMAP< 149 OK Success 
[10:42:39] IMAP> 150 STATUS "[Gmail]/Sent Mail" (MESSAGES UIDNEXT UIDVALIDITY UNSEEN) 
[10:42:39] IMAP< * STATUS "[Gmail]/Sent Mail" (MESSAGES 16908 UIDNEXT 19024 UIDVALIDITY 594878695 UNSEEN 0) 
[10:42:39] IMAP< 150 OK Success 
[10:42:39] IMAP> 151 SELECT "[Gmail]/Sent Mail" 
[10:42:39] IMAP< * FLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $Label3 $NotPhishing $Phishing Junk NonJunk) 
[10:42:39] IMAP< * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $Label3 $NotPhishing $Phishing Junk NonJunk \*)] Flags permitted. 
[10:42:39] IMAP< * OK [UIDVALIDITY 594878695] UIDs valid. 
[10:42:39] IMAP< * 16235 EXISTS 
[10:42:39] IMAP< * 0 RECENT 
[10:42:39] IMAP< * OK [UIDNEXT 19024] Predicted next UID. 
[10:42:39] IMAP< * OK [HIGHESTMODSEQ 15696016] 
[10:42:39] IMAP< 151 OK [READ-WRITE] [Gmail]/Sent Mail selected. (Success) 
[10:42:39] IMAP- [fetching UIDs...]
[10:42:39] IMAP> 152 UID FETCH 1:* (UID) 
[10:42:39] IMAP< [FETCH data - 514 bytes]
[10:42:39] IMAP< [FETCH data - 1026 bytes]
[10:42:39] IMAP< [FETCH data - 550 bytes]
[10:42:39] IMAP< [FETCH data - 2050 bytes]
[10:42:39] IMAP< [FETCH data - 250 bytes]
[10:42:39] IMAP< [FETCH data - 2300 bytes]
[10:42:39] IMAP< [FETCH data - 2300 bytes]
[10:42:39] IMAP< [FETCH data - 2300 bytes]
[10:42:39] IMAP< [FETCH data - 2300 bytes]
[10:42:39] IMAP< [FETCH data - 2300 bytes]
[10:42:39] IMAP< [FETCH data - 2300 bytes]
[10:42:39] IMAP< [FETCH data - 2300 bytes]
[10:42:39] IMAP< [FETCH data - 2324 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2500 bytes]
[10:42:39] IMAP< [FETCH data - 2531 bytes]
[10:42:39] IMAP< [FETCH data - 2600 bytes]
[10:42:39] IMAP< [FETCH data - 2600 bytes]
[10:42:39] IMAP< [FETCH data - 2601 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 4096 bytes]
[10:42:39] IMAP< 11
[10:42:39] IMAP< [FETCH data - 1302 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 2700 bytes]
[10:42:39] IMAP< [FETCH data - 961 bytes]
[10:42:39] IMAP- [fetching flags...]
[10:42:39] IMAP> 153 UID FETCH 1:* (FLAGS UID) 
[10:42:40] IMAP< [FETCH data - 2050 bytes]
[10:42:40] IMAP< [FETCH data - 1440 bytes]
[10:42:40] IMAP< [FETCH data - 3700 bytes]
[10:42:40] IMAP< [FETCH data - 3710 bytes]
[10:42:40] IMAP< [FETCH data - 3709 bytes]
[10:42:40] IMAP< [FETCH data - 3709 bytes]
[10:42:40] IMAP< [FETCH data - 3700 bytes]
[10:42:40] IMAP< [FETCH data - 3700 bytes]
[10:42:40] IMAP< [FETCH data - 3709 bytes]
[10:42:40] IMAP< [FETCH data - 3700 bytes]
[10:42:40] IMAP< [FETCH data - 3724 bytes]
[10:42:40] IMAP< [FETCH data - 3918 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [FETCH data - 3704 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP<  7
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< 6 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [FETCH data - 3112 bytes]
[10:42:40] IMAP< [FETCH data - 3909 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3911 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3900 bytes]
[10:42:40] IMAP< [FETCH data - 3931 bytes]
[10:42:40] IMAP< [FETCH data - 4009 bytes]
[10:42:40] IMAP< [FETCH data - 4000 bytes]
[10:42:40] IMAP< [FETCH data - 4001 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< ))
[10:42:40] IMAP<  
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< GS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< AGS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< GS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< GS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< AGS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< GS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< )) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 34 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< AGS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< AGS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 34 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 93 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< * 13998 FETCH (UID 16372 FLAGS (\Seen)) 
[10:42:40] IMAP< * 13999 FETCH (UID 16373 FLAGS (\Seen)) 
[10:42:40] IMAP< * 14000 FETCH (UID 16374 FLAGS (\Seen)) 
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 44 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 94 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 44 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 33 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 115 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 74 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 74 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 124 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 44 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 74 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 54 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 74 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 90 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 116 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [FETCH data - 204 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 124 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 64 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 74 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 124 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 64 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 83 bytes]
[10:42:40] IMAP< [FETCH data - 4096 bytes]
[10:42:40] IMAP< [data - 54 bytes]
[10:42:40] IMAP< [FETCH data - 1455 bytes]
[10:42:40] IMAP< 153 OK Success 
[10:42:40] IMAP> 154 STATUS "[Gmail]/Spam" (MESSAGES UIDNEXT UIDVALIDITY UNSEEN) 
[10:42:40] IMAP< * STATUS "[Gmail]/Spam" (MESSAGES 201 UIDNEXT 116969 UIDVALIDITY 594878704 UNSEEN 178) 
[10:42:40] IMAP< 154 OK Success 
[10:42:40] IMAP> 155 STATUS "[Gmail]/Starred" (MESSAGES UIDNEXT UIDVALIDITY UNSEEN) 
[10:42:40] IMAP< * STATUS "[Gmail]/Starred" (MESSAGES 415 UIDNEXT 5635 UIDVALIDITY 594878708 UNSEEN 4) 
[10:42:40] IMAP< 155 OK Success 
[10:42:40] IMAP> 156 SELECT "[Gmail]/Starred" 
[10:42:40] IMAP< * FLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $Label3 $NotPhishing $Phishing Junk NonJunk) 
[10:42:40] IMAP< * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $Label3 $NotPhishing $Phishing Junk NonJunk \*)] Flags permitted. 
[10:42:40] IMAP< * OK [UIDVALIDITY 594878708] UIDs valid. 
[10:42:40] IMAP< * 414 EXISTS 
[10:42:40] IMAP< * 0 RECENT 
[10:42:40] IMAP< * OK [UIDNEXT 5635] Predicted next UID. 
[10:42:40] IMAP< * OK [HIGHESTMODSEQ 15696016] 
[10:42:40] IMAP< 156 OK [READ-WRITE] [Gmail]/Starred selected. (Success) 
[10:42:40] IMAP- [fetching UIDs...]
[10:42:40] IMAP> 157 UID FETCH 1:* (UID) 
[10:42:40] IMAP< [FETCH data - 514 bytes]
[10:42:40] IMAP< [FETCH data - 1026 bytes]
[10:42:40] IMAP< [FETCH data - 681 bytes]
[10:42:40] IMAP< [FETCH data - 2050 bytes]
[10:42:40] IMAP< [FETCH data - 350 bytes]
[10:42:40] IMAP< [FETCH data - 2400 bytes]
[10:42:40] IMAP< [FETCH data - 2400 bytes]
[10:42:40] IMAP< [FETCH data - 336 bytes]
[10:42:40] IMAP< 157 OK Success 
[10:42:40] IMAP- [fetching flags...]
[10:42:40] IMAP> 158 UID FETCH 1:* (FLAGS UID) 
[10:42:41] IMAP< [FETCH data - 1026 bytes]
[10:42:41] IMAP< [FETCH data - 2050 bytes]
[10:42:41] IMAP< [FETCH data - 1439 bytes]
[10:42:41] IMAP< [FETCH data - 4096 bytes]
[10:42:41] IMAP< ET
[10:42:41] IMAP< [FETCH data - 602 bytes]
[10:42:41] IMAP< [FETCH data - 4096 bytes]
[10:42:41] IMAP< [FETCH data - 696 bytes]
[10:42:41] IMAP< [FETCH data - 4096 bytes]
[10:42:41] IMAP< [FETCH data - 760 bytes]
[10:42:41] IMAP< [FETCH data - 668 bytes]
[10:42:41] IMAP< 158 OK Success
Comment 9 johannes 2016-12-21 09:24:44 UTC
any news?
Comment 10 johannes 2017-02-10 15:40:50 UTC
I love the application, it's far the best mail client I've found so far.

But the frequent hanging (always related to those log messages) is very annoying.

Unfortunately, there is no alternative to IMAP at this time.
Comment 11 kardan 2018-06-28 21:06:08 UTC
> The interesting bits would come a few lines just before the deluge of FETCH lines happens, and perhaps a few lines just after. That could tell us what is actually being fetched.

Can you describe a bit more detailed what you do in the UI when it happens? Please paste some more examples of what is fetched skipping duplicate "FETCH data" lines.
you can run "claws-mail --debug >> claws.log" to save the output to a file.

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