[squid-users] SSL servers not responding for 3 minutes

Hi,

I get these a few times a day in cache.log
(squid-1): SSL servers not responding for 3 minutes

Runing HEAD (3.3) from 30th nov, with SSL interception.

In more detail (some auth strings replace with A-LONG-STRING)

--
2012/12/07 11:12:47| negotiate_wrapper: Got 'YR A-LONG-STRING==' from squid
(length: 59).
2012/12/07 11:12:47| negotiate_wrapper: Decode 'A-LONG-STRING==' (decoded
length: 40).
2012/12/07 11:12:47| negotiate_wrapper: received type 1 NTLM token
2012/12/07 11:12:47| negotiate_wrapper: Return 'TT
TlRMTVNT-A-LONG-STRING-aAAAAAAA
'
2012/12/07 11:12:50 kid1| Closing HTTP port [::]:80
2012/12/07 11:12:50 kid1| storeDirWriteCleanLogs: Starting...
2012/12/07 11:12:50 kid1|   Finished.  Wrote 4179 entries.
2012/12/07 11:12:50 kid1|   Took 0.00 seconds (2538882.14 entries/sec).
FATAL: SSL servers not responding for 3 minutes
Squid Cache (Version 3.HEAD-BZR): Terminated abnormally.
CPU Usage: 185.988 seconds = 122.460 user + 63.528 sys
Maximum Resident Size: 549472 KB
Page faults with physical i/o: 0
Memory usage for squid via mallinfo():
        total space in arena:  131480 KB
        Ordinary blocks:       128782 KB   1464 blks
        Small blocks:               0 KB      1 blks
        Holding blocks:          2348 KB      3 blks
        Free Small blocks:          0 KB
        Free Ordinary blocks:    2697 KB
        Total in use:          131130 KB 100%
        Total free:              2697 KB 2%
2012/12/07 11:12:50 kid1| WARNING: freeing ssl_crtd helper with 80 requests
queued
2012/12/07 11:12:53 kid1| Starting Squid Cache version 3.HEAD-BZR for
x86_64-unknown-linux-gnu...
2012/12/07 11:12:53 kid1| Process ID 6699
2012/12/07 11:12:53 kid1| Process Roles: worker
2012/12/07 11:12:53 kid1| With 4096 file descriptors available
2012/12/07 11:12:53 kid1| Initializing IP Cache...
2012/12/07 11:12:53 kid1| DNS Socket created at [::], FD 7
2012/12/07 11:12:53 kid1| DNS Socket created at 0.0.0.0, FD 8
----
Any suggestions?
Thanks,
Sean