Re: [SOGo] Sogo freeze 100% CPU
Hi Thomas, Yes I did... Actually, the number of users on my server has grown up and I had to increase the number of Sogo Workers in the configuration... This solved my problem Hope this will help ! Michel 2013/3/1 Thomas Gangolf thomas.gang...@gangolf.de Hi Michel, did you solve the 100% freeze bug? Thanks Thomas Am 17.01.2013 19:49, schrieb Michel Mallejac: Another detail : I think this has started since a few users are using TBird 17 with updated plugins. Is this a know bug and should I downgrade these users to Tbird ESR10 until next release ? Is there a way to know in the log which user a process is serving ? Thanks ! Michel 2013/1/17 Michel Mallejac michel.malle...@gmail.com Hello, I think I am in the same situation, on my sogo server : 2.0.3a on Ubuntu 12.04, mysql, (not using CAS). Every half-hour, CPU goes to top, memory and SWAP almost filled out. Then all Sogo process restart and all is fine for another 30 minutes. Here what I see in the logs, with all lines related to the PID that looks suspicious, from its brith to his death (RIP) : Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] preparing 1 children Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13018 Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Cache cleanup interval set every 300.00 seconds Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Using host(s) 'localhost' as server(s) Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-properties' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-content' already exists in DAV permissions table ... 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugKeyLookup is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugBaseURL is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): relative base URLs are enabled. 2013-01-17 11:07:32.464 sogod[13018] File NSKeyValueCoding.m: 913. In -[NSObject(KeyValueCoding) valuesForKeys:] This method is deprecated, use -dictionaryWithValuesForKeys: ... 2013-01-17 11:07:50.978 sogod[13018] Note: Using UTF-8 as URL encoding in NGExtensions. 2013-01-17 11:07:51.420 sogod[13018] ERROR(-[NGBundleManager bundleWithPath:]): could not create bundle for path: '/usr/share/GNUstep/Libraries/gnustep-base/Versions/1.22/Resources/SSL.bundle' 2013-01-17 11:07:51.485 sogod[13018] WOxElemBuilder: could not locate builders: WOxExtElemBuilder,WOxExtElemBuilder 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: pool embedding is on. 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: id logging is on. 2013-01-17 11:07:53.834 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... 2013-01-17 11:07:54.028 sogod[13018] WARNING: IMAP4 connection pooling is disabled! 2013-01-17 11:07:54.212 sogod[13018] Note(NGImap4Connection): using '/' as the IMAP4 folder separator. ... 2013-01-17 11:07:56.528 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... Jan 17 11:15:53 sogod [13018]: 0xD00BF4F0[SOGoTaskObject]:a574e096-59f9-4c3e-bd78-204f470d8b72.icsD etag 'gcs0030' matches: gcs0030 ... 2013-01-17 11:21:53.510 sogod[13018] Note: using 'UCS-2LE' on Linux. ... Jan 17 11:28:17 sogod [13018]: 0xD00DF330[SOGoAppointmentObject]:AKwyTTWoMgpKsmFFZhp4+ocEKiIA.ics TODO: implement if-none-match for etag: '*' Jan 17 11:29:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 1 minutes Jan 17 11:30:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 2 minutes Jan 17 11:31:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 3 minutes Jan 17 11:32:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 4 minutes Jan 17 11:33:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 5 minutes Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] child 13018 exited Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] (terminated due to signal 9) Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13287 Jan 17 11:34:10 sogod [13287]: 0x0x7fe5cf669a20[SOGoCache] Cache cleanup interval set every 300.00 seconds Thanks in advance for any help ! Sincerly, Michel 2013/1/16 Jérôme GALLOT jerome.gal...@unicaen.fr HI, I'm using Sogo 2.0.3a with a prostgresql Database, a CAS identification for web pages
Re: [SOGo] Sogo freeze 100% CPU
Hi Michel, did you solve the 100% freeze bug? Thanks Thomas Am 17.01.2013 19:49, schrieb Michel Mallejac: Another detail : I think this has started since a few users are using TBird 17 with updated plugins. Is this a know bug and should I downgrade these users to Tbird ESR10 until next release ? Is there a way to know in the log which user a process is serving ? Thanks ! Michel 2013/1/17 Michel Mallejac michel.malle...@gmail.com mailto:michel.malle...@gmail.com Hello, I think I am in the same situation, on my sogo server : 2.0.3a on Ubuntu 12.04, mysql, (not using CAS). Every half-hour, CPU goes to top, memory and SWAP almost filled out. Then all Sogo process restart and all is fine for another 30 minutes. Here what I see in the logs, with all lines related to the PID that looks suspicious, from its brith to his death (RIP) : Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] preparing 1 children Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13018 Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Cache cleanup interval set every 300.00 seconds Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Using host(s) 'localhost' as server(s) Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-properties' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-content' already exists in DAV permissions table ... 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugKeyLookup is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugBaseURL is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): relative base URLs are enabled. 2013-01-17 11:07:32.464 sogod[13018] File NSKeyValueCoding.m: 913. In -[NSObject(KeyValueCoding) valuesForKeys:] This method is deprecated, use -dictionaryWithValuesForKeys: ... 2013-01-17 11:07:50.978 sogod[13018] Note: Using UTF-8 as URL encoding in NGExtensions. 2013-01-17 11:07:51.420 sogod[13018] ERROR(-[NGBundleManager bundleWithPath:]): could not create bundle for path: '/usr/share/GNUstep/Libraries/gnustep-base/Versions/1.22/Resources/SSL.bundle' 2013-01-17 11:07:51.485 sogod[13018] WOxElemBuilder: could not locate builders: WOxExtElemBuilder,WOxExtElemBuilder 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: pool embedding is on. 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: id logging is on. 2013-01-17 11:07:53.834 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... 2013-01-17 11:07:54.028 sogod[13018] WARNING: IMAP4 connection pooling is disabled! 2013-01-17 11:07:54.212 sogod[13018] Note(NGImap4Connection): using '/' as the IMAP4 folder separator. ... 2013-01-17 11:07:56.528 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... Jan 17 11:15:53 sogod [13018]: 0xD00BF4F0[SOGoTaskObject]:a574e096-59f9-4c3e-bd78-204f470d8b72.icsD etag 'gcs0030' matches: gcs0030 ... 2013-01-17 11:21:53.510 sogod[13018] Note: using 'UCS-2LE' on Linux. ... Jan 17 11:28:17 sogod [13018]: 0xD00DF330[SOGoAppointmentObject]:AKwyTTWoMgpKsmFFZhp4+ocEKiIA.ics TODO: implement if-none-match for etag: '*' Jan 17 11:29:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 1 minutes Jan 17 11:30:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 2 minutes Jan 17 11:31:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 3 minutes Jan 17 11:32:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 4 minutes Jan 17 11:33:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 5 minutes Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] child 13018 exited Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] (terminated due to signal 9) Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13287 Jan 17 11:34:10 sogod [13287]: 0x0x7fe5cf669a20[SOGoCache] Cache cleanup interval set every 300.00 seconds Thanks in advance for any help ! Sincerly, Michel 2013/1/16 Jérôme GALLOT jerome.gal...@unicaen.fr mailto:jerome.gal...@unicaen.fr HI,
Re: [SOGo] Sogo freeze 100% CPU
Hello, I think I am in the same situation, on my sogo server : 2.0.3a on Ubuntu 12.04, mysql, (not using CAS). Every half-hour, CPU goes to top, memory and SWAP almost filled out. Then all Sogo process restart and all is fine for another 30 minutes. Here what I see in the logs, with all lines related to the PID that looks suspicious, from its brith to his death (RIP) : Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] preparing 1 children Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13018 Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Cache cleanup interval set every 300.00 seconds Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Using host(s) 'localhost' as server(s) Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-properties' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-content' already exists in DAV permissions table ... 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugKeyLookup is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugBaseURL is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): relative base URLs are enabled. 2013-01-17 11:07:32.464 sogod[13018] File NSKeyValueCoding.m: 913. In -[NSObject(KeyValueCoding) valuesForKeys:] This method is deprecated, use -dictionaryWithValuesForKeys: ... 2013-01-17 11:07:50.978 sogod[13018] Note: Using UTF-8 as URL encoding in NGExtensions. 2013-01-17 11:07:51.420 sogod[13018] ERROR(-[NGBundleManager bundleWithPath:]): could not create bundle for path: '/usr/share/GNUstep/Libraries/gnustep-base/Versions/1.22/Resources/SSL.bundle' 2013-01-17 11:07:51.485 sogod[13018] WOxElemBuilder: could not locate builders: WOxExtElemBuilder,WOxExtElemBuilder 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: pool embedding is on. 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: id logging is on. 2013-01-17 11:07:53.834 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... 2013-01-17 11:07:54.028 sogod[13018] WARNING: IMAP4 connection pooling is disabled! 2013-01-17 11:07:54.212 sogod[13018] Note(NGImap4Connection): using '/' as the IMAP4 folder separator. ... 2013-01-17 11:07:56.528 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... Jan 17 11:15:53 sogod [13018]: 0xD00BF4F0[SOGoTaskObject]:a574e096-59f9-4c3e-bd78-204f470d8b72.icsD etag 'gcs0030' matches: gcs0030 ... 2013-01-17 11:21:53.510 sogod[13018] Note: using 'UCS-2LE' on Linux. ... Jan 17 11:28:17 sogod [13018]: 0xD00DF330[SOGoAppointmentObject]:AKwyTTWoMgpKsmFFZhp4+ocEKiIA.ics TODO: implement if-none-match for etag: '*' Jan 17 11:29:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 1 minutes Jan 17 11:30:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 2 minutes Jan 17 11:31:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 3 minutes Jan 17 11:32:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 4 minutes Jan 17 11:33:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 5 minutes Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] child 13018 exited Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] (terminated due to signal 9) Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13287 Jan 17 11:34:10 sogod [13287]: 0x0x7fe5cf669a20[SOGoCache] Cache cleanup interval set every 300.00 seconds Thanks in advance for any help ! Sincerly, Michel 2013/1/16 Jérôme GALLOT jerome.gal...@unicaen.fr ** HI, I'm using Sogo 2.0.3a with a prostgresql Database, a CAS identification for web pages and Caldav access. Since 4 days, some of our Sogo processes freeze every 30 minutes on specific CalDav requests. A PROPFIND command on specific calendars (5 URLS are concerned) freeze sogo processes. The caldav commands are emitted by lightning or icedove I try to make a backtrace, but it's a bit empty : #0 0x745a7831 in ?? () from /lib/libc.so.6 #1 0x745a9a30 in malloc () from /lib/libc.so.6 #2 0x76194af3 in -[NGByteBuffer la:] (self=0x78950330, _cmd=optimized out, _la=1023) at NGByteBuffer.m:254 #3 0x76685295 in _la (_la=optimized out, self=optimized out) at NGMimePartParser.m:1306 #4 -[NGMimePartParser readBodyUnknownLengthStream] (self=0x78889060, _cmd=optimized out) at NGMimePartParser.m:861 #5 0x76683e3b in -[NGMimePartParser
Re: [SOGo] Sogo freeze 100% CPU
Another detail : I think this has started since a few users are using TBird 17 with updated plugins. Is this a know bug and should I downgrade these users to Tbird ESR10 until next release ? Is there a way to know in the log which user a process is serving ? Thanks ! Michel 2013/1/17 Michel Mallejac michel.malle...@gmail.com Hello, I think I am in the same situation, on my sogo server : 2.0.3a on Ubuntu 12.04, mysql, (not using CAS). Every half-hour, CPU goes to top, memory and SWAP almost filled out. Then all Sogo process restart and all is fine for another 30 minutes. Here what I see in the logs, with all lines related to the PID that looks suspicious, from its brith to his death (RIP) : Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] preparing 1 children Jan 17 11:06:43 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13018 Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Cache cleanup interval set every 300.00 seconds Jan 17 11:07:31 sogod [13018]: 0x0x7fe5cf676870[SOGoCache] Using host(s) 'localhost' as server(s) Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-properties' already exists in DAV permissions table Jan 17 11:07:32 sogod [13018]: [WARN] 0x0x7fe5cf9edf70[SOGoWebDAVAclManager] entry '{DAV:}write-content' already exists in DAV permissions table ... 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugKeyLookup is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): SoDebugBaseURL is enabled! 2013-01-17 11:07:32.452 sogod[13018] Note(SoObject): relative base URLs are enabled. 2013-01-17 11:07:32.464 sogod[13018] File NSKeyValueCoding.m: 913. In -[NSObject(KeyValueCoding) valuesForKeys:] This method is deprecated, use -dictionaryWithValuesForKeys: ... 2013-01-17 11:07:50.978 sogod[13018] Note: Using UTF-8 as URL encoding in NGExtensions. 2013-01-17 11:07:51.420 sogod[13018] ERROR(-[NGBundleManager bundleWithPath:]): could not create bundle for path: '/usr/share/GNUstep/Libraries/gnustep-base/Versions/1.22/Resources/SSL.bundle' 2013-01-17 11:07:51.485 sogod[13018] WOxElemBuilder: could not locate builders: WOxExtElemBuilder,WOxExtElemBuilder 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: pool embedding is on. 2013-01-17 11:07:51.485 sogod[13018] WOCompoundElement: id logging is on. 2013-01-17 11:07:53.834 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... 2013-01-17 11:07:54.028 sogod[13018] WARNING: IMAP4 connection pooling is disabled! 2013-01-17 11:07:54.212 sogod[13018] Note(NGImap4Connection): using '/' as the IMAP4 folder separator. ... 2013-01-17 11:07:56.528 sogod[13018] WARNING(-[NSNull(misc) length]): called NSNull -length (returns 0) !!! ... Jan 17 11:15:53 sogod [13018]: 0xD00BF4F0[SOGoTaskObject]:a574e096-59f9-4c3e-bd78-204f470d8b72.icsD etag 'gcs0030' matches: gcs0030 ... 2013-01-17 11:21:53.510 sogod[13018] Note: using 'UCS-2LE' on Linux. ... Jan 17 11:28:17 sogod [13018]: 0xD00DF330[SOGoAppointmentObject]:AKwyTTWoMgpKsmFFZhp4+ocEKiIA.ics TODO: implement if-none-match for etag: '*' Jan 17 11:29:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 1 minutes Jan 17 11:30:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 2 minutes Jan 17 11:31:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 3 minutes Jan 17 11:32:18 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 4 minutes Jan 17 11:33:17 sogod [13015]: [WARN] 0x0x7fe5cf5332b0[WOWatchDogChild] pid 13018 has been hanging in the same request for 5 minutes Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] child 13018 exited Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf5332b0[WOWatchDogChild] (terminated due to signal 9) Jan 17 11:34:04 sogod [13015]: 0x0x7fe5cf3f78f0[WOWatchDog] child spawned with pid 13287 Jan 17 11:34:10 sogod [13287]: 0x0x7fe5cf669a20[SOGoCache] Cache cleanup interval set every 300.00 seconds Thanks in advance for any help ! Sincerly, Michel 2013/1/16 Jérôme GALLOT jerome.gal...@unicaen.fr ** HI, I'm using Sogo 2.0.3a with a prostgresql Database, a CAS identification for web pages and Caldav access. Since 4 days, some of our Sogo processes freeze every 30 minutes on specific CalDav requests. A PROPFIND command on specific calendars (5 URLS are concerned) freeze sogo processes. The caldav commands are emitted by lightning or icedove I try to make a backtrace, but it's a bit empty : #0 0x745a7831 in ?? () from /lib/libc.so.6 #1 0x745a9a30 in
[SOGo] Sogo freeze 100% CPU
HI, I'm using Sogo 2.0.3a with a prostgresql Database, a CAS identification for web pages and Caldav access. Since 4 days, some of our Sogo processes freeze every 30 minutes on specific CalDav requests. A PROPFIND command on specific calendars (5 URLS are concerned) freeze sogo processes. The caldav commands are emitted by lightning or icedove I try to make a backtrace, but it's a bit empty : #0 0x745a7831 in ?? () from /lib/libc.so.6 #1 0x745a9a30 in malloc () from /lib/libc.so.6 #2 0x76194af3 in -[NGByteBuffer la:] (self=0x78950330, _cmd=optimized out, _la=1023) at NGByteBuffer.m:254 #3 0x76685295 in _la (_la=optimized out, self=optimized out) at NGMimePartParser.m:1306 #4 -[NGMimePartParser readBodyUnknownLengthStream] (self=0x78889060, _cmd=optimized out) at NGMimePartParser.m:861 #5 0x76683e3b in -[NGMimePartParser readBody] (self=0x78889060, _cmd=optimized out) at NGMimePartParser.m:1041 #6 0x7668350a in -[NGMimePartParser parseBodyOfPart:] (self=0x78889060, _cmd=optimized out, _part=0x78912d10) at NGMimePartParser.m:1126 #7 0x76abbc24 in -[NGHttpMessageParser parseBodyOfPart:] (self=0x78889060, _cmd=0x7690d840, _part=0x78912d10) at NGHttpMessageParser.m:595 #8 0x766844b7 in -[NGMimePartParser parsePart] (self=0x78889060, _cmd=optimized out) at NGMimePartParser.m:1250 #9 0x7668389a in -[NGMimePartParser parsePartFromStream:] (self=0x78889060, _cmd=optimized out, _stream=optimized out) at NGMimePartParser.m:1267 #10 0x76abc146 in -[NGHttpMessageParser parseResponseFromStream:] (self=0x78889060, _cmd=0x76dba920, _stream=0x788c54b0) at NGHttpMessageParser.m:713 #11 0x76aa3f8c in -[WOHTTPConnection readResponse] (self=0x78978f10, _cmd=optimized out) at WOHTTPConnection.m:542 #12 0x77b7416a in -[SOGoCASSession _performCASRequestWithAction:andParameters:] (self=0x789a3e90, _cmd=0x77dc6690, casAction=0x77dc5ba0, parameters=0x788b4b30) at SOGoCASSession.m:357 #13 0x77b7448c in -[SOGoCASSession _fetchTicketData] (self=0x789a3e90, _cmd=0x77dc66c0) at SOGoCASSession.m:390 #14 0x77b745ab in -[SOGoCASSession login] (self=0x789a3e90, _cmd=0x77dc7200) at SOGoCASSession.m:405 #15 0x77b74ab7 in -[SOGoDAVAuthenticator checkLogin:password:] (self=0x788a93e0, _cmd=0x76e35e60, _login=0x78942e30, _pwd=0x78944d30) at SOGoDAVAuthenticator.m:82 #16 0x76b0ff34 in -[SoHTTPAuthenticator preprocessCredentialsInContext:] () from /usr/lib/libNGObjWeb.so.4.9 #17 0x76b166d3 in -[SoObjectRequestHandler handleRequest:inContext:session:application:] () from /usr/lib/libNGObjWeb.so.4.9 #18 0x76aaa1bb in -[WORequestHandler handleRequest:] (self=0x785b85f0, _cmd=optimized out, _request=0x78921af0) at WORequestHandler.m:237 #19 0x76a7198c in -[WOCoreApplication dispatchRequest:usingHandler:] (self=0x783380a0, _cmd=optimized out, _request=0x78921af0, handler=0x785b85f0) at WOCoreApplication.m:712 #20 0x77ff9a89 in -[SOGo dispatchRequest:] (self=0x783380a0, _cmd=0x76e226c0, _request=0x78921af0) at SOGo.m:453 #21 0x76b065d5 in -[WOHttpTransaction _run] (self=0x78940790, _cmd=optimized out) at WOHttpTransaction.m:578 #22 0x76b067c8 in -[WOHttpTransaction run] (self=0x78940790, _cmd=optimized out) at WOHttpTransaction.m:631 #23 0x76b02ba9 in -[WOHttpAdaptor runConnection:] (self=0x7885a1a0, _cmd=optimized out, _socket=0x7892de70) at WOHttpAdaptor.m:367 #24 0x76b02db6 in -[WOHttpAdaptor _handleAcceptedConnection:] (self=0x7885a1a0, _cmd=optimized out, _connection=0x7892de70) at WOHttpAdaptor.m:401 #25 0x76b03232 in -[WOHttpAdaptor _handleConnection:] (self=0x7885a1a0, _cmd=optimized out, connection=0x7892de70) at WOHttpAdaptor.m:460 #26 0x76b0405d in -[WOHttpAdaptor acceptConnection:] (self=0x7885a1a0, _cmd=optimized out, _notification=optimized out) at WOHttpAdaptor.m:521 #27 0x75388c32 in -[NSNotificationCenter _postAndRelease:] (self=optimized out, _cmd=optimized out, notification=optimized out) at NSNotificationCenter.m:1161 #28 0x754756a1 in -[GSRunLoopCtxt pollUntil:within:] (self=0x7866dd40, _cmd=optimized out, milliseconds=optimized out, contexts=0x786ea670) at GSRunLoopCtxt.m:636 #29 0x753c8c01 in -[NSRunLoop acceptInputForMode:beforeDate:] (self=0x7869b640, _cmd=optimized out, mode=0x7576e600, limit_date=optimized out) at NSRunLoop.m:1197 #30 0x753c7ba0 in -[NSRunLoop runMode:beforeDate:] (self=0x7869b640, _cmd=optimized out, mode=0x7576e600, date=0x784eed70) at NSRunLoop.m:1265 #31 0x76a712ce in -[WOCoreApplication run] (self=0x783380a0, _cmd=optimized out) at WOCoreApplication.m:584 #32 0x77ff90fd in -[SOGo