[ 
http://opencast.jira.com/browse/MH-8619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=30877#comment-30877
 ] 

Andreas Krieger commented on MH-8619:
-------------------------------------

I just caught this, running a capture with confidence monitoring set to true 
(MH CA 1.3.0); maybe it helps with detecting the cause:

ETA*** glibc detected *** java: malloc(): smallbin double linked list 
corrupted: 0x00007fd9e43d44a0 ***
======= Backtrace: =========
/lib/libc.so.6(+0x774b6)[0x7fd9fa8c34b6]
/lib/libc.so.6(+0x7b781)[0x7fd9fa8c7781]
/lib/libc.so.6(__libc_malloc+0x6e)[0x7fd9fa8c838e]
/lib/libc.so.6(_IO_str_overflow+0x114)[0x7fd9fa8c2c94]
/lib/libc.so.6(_IO_default_xsputn+0xcc)[0x7fd9fa8c1c2c]
/lib/libc.so.6(_IO_vfprintf+0x627)[0x7fd9fa891c67]
/lib/libc.so.6(__vasprintf_chk+0xcc)[0x7fd9fa94af1c]
/lib/libglib-2.0.so.0(g_vasprintf+0x2b)[0x7fd9e982057b]
/lib/libglib-2.0.so.0(g_strdup_vprintf+0x20)[0x7fd9e97fe260]
/lib/libglib-2.0.so.0(g_strdup_printf+0x8d)[0x7fd9e97fe2fd]
/usr/lib/gstreamer-0.10/libgstcoreelements.so(+0x12ede)[0x7fd9e3ddeede]
/usr/lib64/libgstbase-0.10.so.0.26.0(+0x23161)[0x7fd9e8dbd161]
/usr/lib64/libgstbase-0.10.so.0.26.0(+0x2377d)[0x7fd9e8dbd77d]
/usr/lib64/libgstreamer-0.10.so.0.26.0(+0x5512d)[0x7fd9ea12812d]
/usr/lib64/libgstreamer-0.10.so.0.26.0(+0x559ee)[0x7fd9ea1289ee]
/usr/lib64/libgstbase-0.10.so.0.26.0(+0x1d7d1)[0x7fd9e8db77d1]
/usr/lib64/libgstreamer-0.10.so.0.26.0(+0x7ec93)[0x7fd9ea151c93]
/lib/libglib-2.0.so.0(+0x6b73f)[0x7fd9e980773f]
/lib/libglib-2.0.so.0(+0x697e4)[0x7fd9e98057e4]
/lib/libpthread.so.0(+0x7971)[0x7fd9fafdf971]
/lib/libc.so.6(clone+0x6d)[0x7fd9fa93292d]
======= Memory map: ========
00400000-00409000 r-xp 00000000 08:06 5858945                            
/usr/lib/jvm/java-6-openjdk/jre/bin/java
00608000-00609000 r--p 00008000 08:06 5858945                            
/usr/lib/jvm/java-6-openjdk/jre/bin/java
00609000-0060a000 rw-p 00009000 08:06 5858945                            
/usr/lib/jvm/java-6-openjdk/jre/bin/java
01943000-04445000 rw-p 00000000 00:00 0                                  [heap]
b0000000-b3560000 rw-p 00000000 00:00 0
b3560000-c0000000 rw-p 00000000 00:00 0
c0000000-100000000 rw-p 00000000 00:00 0
7fd97c76b000-7fd97c76e000 ---p 00000000 00:00 0
7fd97c76e000-7fd97cf6c000 rw-p 00000000 00:00 0
7fd992797000-7fd992798000 ---p 00000000 00:00 0
7fd992798000-7fd992f98000 rw-p 00000000 00:00 0
7fd99cfac000-7fd99cfad000 ---p 00000000 00:00 0
7fd99cfad000-7fd99d7ad000 rw-p 00000000 00:00 0
7fd9b3fda000-7fd9b3fdb000 ---p 00000000 00:00 0
7fd9b3fdb000-7fd9b47db000 rw-p 00000000 00:00 0
7fd9cf010000-7fd9cf013000 ---p 00000000 00:00 0
7fd9cf013000-7fd9cf811000 rw-p 00000000 00:00 0
7fd9cf811000-7fd9cf814000 ---p 00000000 00:00 0
7fd9cf814000-7fd9d0012000 rw-p 00000000 00:00 0
7fd9d0012000-7fd9d0015000 ---p 00000000 00:00 0
7fd9d0015000-7fd9d0813000 rw-p 00000000 00:00 0
7fd9d0813000-7fd9d0816000 ---p 00000000 00:00 0
7fd9d0816000-7fd9d1014000 rw-p 00000000 00:00 0
7fd9d1014000-7fd9d1017000 ---p 00000000 00:00 0
7fd9d1017000-7fd9d1815000 rw-p 00000000 00:00 0
7fd9d1815000-7fd9d1818000 ---p 00000000 00:00 0
7fd9d1818000-7fd9d2016000 rw-p 00000000 00:00 0
7fd9d2016000-7fd9d2019000 ---p 00000000 00:00 0
7fd9d2019000-7fd9d2817000 rw-p 00000000 00:00 0
7fd9d2817000-7fd9d281a000 ---p 00000000 00:00 0
7fd9d281a000-7fd9d3018000 rw-p 00000000 00:00 0
7fd9d3018000-7fd9d301b000 ---p 00000000 00:00 0
7fd9d301b000-7fd9d3819000 rw-p 00000000 00:00 0
7fd9d3819000-7fd9d381c000 ---p 00000000 00:00 0
7fd9d381c000-7fd9d401a000 rw-p 00000000 00:00 0
7fd9d4605000-7fd9d461a000 r-xp 00000000 08:06 155727                     
/lib/libgcc_s.so.1
7fd9d461a000-7fd9d4819000 ---p 00015000 08:06 155727                     
/lib/libgcc_s.so.1
7fd9d4819000-7fd9d481a000 r--p 00014000 08:06 155727                     
/lib/libgcc_s.so.1
7fd9d481a000-7fd9d481b000 rw-p 00015000 08:06 155727                     
/lib/libgcc_s.so.1
7fd9d481b000-7fd9d481e000 ---p 00000000 00:00 0
7fd9d481e000-7fd9d501c000 rw-p 00000000 00:00 0
7fd9d501c000-7fd9d501f000 ---p 00000000 00:00 0
7fd9d501f000-7fd9d581d000 rw-p 00000000 00:00 0
7fd9d581d000-7fd9d5820000 ---p 00000000 00:00 0
7fd9d5820000-7fd9d601e000 rw-p 00000000 00:00 0
7fd9d601e000-7fd9d6021000 ---p 00000000 00:00 0
7fd9d6021000-7fd9d681f000 rw-p 00000000 00:00 0
7fd9d681f000-7fd9d6822000 ---p 00000000 00:00 0
7fd9d6822000-7fd9d7020000 rw-p 00000000 00:00 0
7fd9d7020000-7fd9d7023000 ---p 00000000 00:00 0
7fd9d7023000-7fd9d7821000 rw-p 00000000 00:00 0
7fd9d7821000-7fd9d7824000 ---p 00000000 00:00 0
7fd9d7824000-7fd9d8022000 rw-p 00000000 00:00 0
7fd9d8022000-7fd9d8025000 ---p 00000000 00:00 0
7fd9d8025000-7fd9d8823000 rw-p 00000000 00:00 0
7fd9d8823000-7fd9d8826000 ---p 00000000 00:00 0
7fd9d8826000-7fd9d9024000 rw-p 00000000 00:00 0
7fd9d9024000-7fd9d9027000 ---p 00000000 00:00 0
7fd9d9027000-7fd9d9825000 rw-p 00000000 00:00 0
7fd9d9825000-7fd9d9874000 r--p 00000000 08:06 5513346                    
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf
7fd9d9874000-7fd9d9876000 r-xp 00000000 08:06 5431912                    
/usr/lib/pango/1.6.0/modules/pango-basic-fc.so
7fd9d9876000-7fd9d9a75000 ---p 00002000 08:06 5431912                    
/usr/lib/pango/1.6.0/modules/pango-basic-fc.so
7fd9d9a75000-7fd9d9a76000 r--p 00001000 08:06 5431912                    
/usr/lib/pango/1.6.0/modules/pango-basic-fc.so
7fd9d9a76000-7fd9d9a77000 rw-p 00002000 08:06 5431912                    
/usr/lib/pango/1.6.0/modules/pango-basic-fc.so
7fd9d9ae8000-7fd9da268000 rw-s 00000000 00:05 11411                      
/dev/video1
7fd9da268000-7fd9da26b000 ---p 00000000 00:00 0
7fd9da26b000-7fd9daa69000 rw-p 00000000 00:00 0
7fd9daa69000-7fd9daa6c000 ---p 00000000 00:00 0
7fd9daa6c000-7fd9db26a000 rw-p 00000000 00:00 0
7fd9db26a000-7fd9db26d000 ---p 00000000 00:00 0
7fd9db26d000-7fd9db36b000 rw-p 00000000 00:00 0
7fd9db36b000-7fd9db36e000 ---p 00000000 00:00 0
7fd9db36e000-7fd9db46c000 rw-p 00000000 00:00 0
7fd9db46c000-7fd9db470000 r-xp 00000000 08:06 5349433                    
/usr/lib/gstreamer-0.10/libgstlevel.so
7fd9db470000-7fd9db66f000 ---p 00004000 08:06 5349433                    
/usr/lib/gstreamer-0.10/libgstlevel.so
7fd9db66f000-7fd9db670000 r--p 00003000 08:06 5349433                    
/usr/lib/gstreamer-0.10/libgstlevel.so
7fd9db670000-7fd9db671000 rw-p 00004000 08:06 5349433                    
/usr/lib/gstreamer-0.10/libgstlevel.so
7fd9db671000-7fd9db691000 r-xp 00000000 08:06 5368580                    
/usr/lib/libtwolame.so.0.0.0
7fd9db691000-7fd9db890000 ---p 00020000 08:06 5368580                    
/usr/lib/libtwolame.so.0.0.0
7fd9db890000-7fd9db892000 rw-p 0001f000 08:06 5368580                    
/usr/lib/libtwolame.so.0.0.0
7fd9db892000-7fd9db896000 rw-p 00000000 00:00 0
7fd9db896000-7fd9db89d000 r-xp 00000000 08:06 5349596                    
/usr/lib/gstreamer-0.10/libgsttwolame.so
7fd9db89d000-7fd9dba9c000 ---p 00007000 08:06 5349596                    
/usr/lib/gstreamer-0.10/libgsttwolame.so
7fd9dba9c000-7fd9dba9d000 r--p 00006000 08:06 5349596                    
/usr/lib/gstreamer-0.10/libgsttwolame.so
7fd9dba9d000-7fd9dba9e000 rw-p 00007000 08:06 5349596                    
/usr/lib/gstreamer-0.10/libgsttwolame.so
7fd9dba9e000-7fd9dbb77000 r-xp 00000000 08:06 5366981                    
/usr/lib/libasound.so.2.0.0
7fd9dbb77000-7fd9dbd76000 ---p 000d9000 08:06 5366981                    
/usr/lib/libasound.so.2.0.0
7fd9dbd76000-7fd9dbd7c000 r--p 000d8000 08:06 5366981                    
/usr/lib/libasound.so.2.0.0
7fd9dbd7c000-7fd9dbd7d000 rw-p 000de000 08:06 5366981                    
/usr/lib/libasound.so.2.0.0
7fd9dbd7d000-7fd9dbd92000 r-xp 00000000 08:06 5349389                    /usr/li

                
> Using confidence monitoring on the capture agent crashes matterhorn
> -------------------------------------------------------------------
>
>                 Key: MH-8619
>                 URL: http://opencast.jira.com/browse/MH-8619
>             Project: Matterhorn Project
>          Issue Type: Bug
>          Components: Capture (Devices and Software)
>    Affects Versions: 1.3
>            Reporter: Jonathan Felder
>            Assignee: Waldemar Smirnow
>


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