Battery cannot communicate Canon 7D

I have a 7D about 3 years old now. One battery is original , the other is 6 or 7 months old.
I upgraded to the latest firmware version 2.0 shortly there after (Don't know if there is a relationship?) one battery could not communicate, the other worked fine. I recharged it and it worked one time more then errors after that. the second battery worked for about 3 more days then it failed to communicate as well.
Questions
1. Batteries ?
2. Charger issue causing chip in battery to go bad?
3. Camera battery sensor chip gone bad ?
Any suggestions?
Thank you
Jimbo

Try cleaning the contacts on the batteries and in the camera with an eraser.
Hope this helps.
Pat

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    #Svcs -xv
    [ Oct  5 00:07:14 Method "start" exited with status 96 ]
    [ Oct  5 00:32:11 Leaving maintenance because disable requested. ]
    [ Oct  5 00:32:11 Disabled. ]
    [ Oct  5 00:32:21 Enabled. ]
    [ Oct  5 00:32:21 Executing start method ("/opt/SUNWldm/bin/ldmd_start") ]
    Service LOG file Info:
    ldmd cannot communicate with the hypervisor as the required device
    does not exist:
    /devices/virtual-devices@100/channel-devices@200/virtual-channel@0:hvctl
    Either this is not the control domain or the firmware does not support LDoms
    [ Oct  5 00:32:21 Method "start" exited with status 96 ]
    [ Oct  5 00:43:54 Leaving maintenance because disable requested. ]
    [ Oct  5 00:43:54 Disabled. ]
    [ Oct  5 00:45:19 Enabled. ]
    [ Oct  5 00:45:19 Executing start method ("/opt/SUNWldm/bin/ldmd_start") ]
    ldmd cannot communicate with the hypervisor as the required device
    does not exist:
    /devices/virtual-devices@100/channel-devices@200/virtual-channel@0:hvctl
    Either this is not the control domain or the firmware does not support LDoms
    [ Oct  5 00:45:19 Method "start" exited with status 96 ]
    [ Oct  5 00:45:19 Rereading configuration. ]
    bash-3.00# cd /opt/SUNWldm/bin/
    bash-3.00# ls
    ldm ldmconfig ldmd ldmd_start schemas
    bash-3.00# ./ldmd_start
    ldmd cannot communicate with the hypervisor as the required device
    does not exist:
    /devices/virtual-devices@100/channel-devices@200/virtual-channel@0:hvctl
    Either this is not the control domain or the firmware does not support LDoms
    bash-3.00# ldm
    Failed to connect to logical domain manager: Connection refused
    bash-3.00# sc>
    sc> showhost
    Sun-Fire-T2000 System Firmware 6.7.12 2011/07/06 20:03
    Host flash versions:
    OBP 4.30.4.d 2011/07/06 14:29
    Hypervisor 1.7.3.c 2010/07/09 15:14
    POST 4.30.4.b 2010/07/09 14:24
    bash-3.00#
    bash-3.00# uname -a
    SunOS ldom-srv 5.10 Generic_118833-36 sun4v sparc SUNW,Sun-Fire-T200
    Thanks in advance

    Hi,
    There were some issues with old primary LDOM at T2000 so I installed
    new o/s 64 bit on SUN SPARC T2000 and reset SC on factor-default and
    also installed LDOM 1.2 version. Seems like old hypervisor is not
    deleted.
    Now I am getting error.
    #ldm list
    Failed to connect to logical domain manager: Connection refused
    So far I have trying the following steps. but still no luck
    I installed version 1.2 LDOM. and also I updated SC. Plus I installed
    below patches:
    •118833-36, Kernel update patch
    •124921-02, which contains updates to the Logical Domains 1.0 drivers
    and utilities
    •125043-01, which contains updates to the qcn (console) drivers.
    SC> bootmode config="factory-default"
    SC> poweroff
    SC> resetsc -y
    SC> poweron
    Now I tried everything but still no luck
    Here are some errot which I am getting
    #Svcs -xv
    [ Oct  5 00:07:14 Method "start" exited with status 96 ]
    [ Oct  5 00:32:11 Leaving maintenance because disable requested. ]
    [ Oct  5 00:32:11 Disabled. ]
    [ Oct  5 00:32:21 Enabled. ]
    [ Oct  5 00:32:21 Executing start method ("/opt/SUNWldm/bin/ldmd_start") ]
    Service LOG file Info:
    ldmd cannot communicate with the hypervisor as the required device
    does not exist:
    /devices/virtual-devices@100/channel-devices@200/virtual-channel@0:hvctl
    Either this is not the control domain or the firmware does not support LDoms
    [ Oct  5 00:32:21 Method "start" exited with status 96 ]
    [ Oct  5 00:43:54 Leaving maintenance because disable requested. ]
    [ Oct  5 00:43:54 Disabled. ]
    [ Oct  5 00:45:19 Enabled. ]
    [ Oct  5 00:45:19 Executing start method ("/opt/SUNWldm/bin/ldmd_start") ]
    ldmd cannot communicate with the hypervisor as the required device
    does not exist:
    /devices/virtual-devices@100/channel-devices@200/virtual-channel@0:hvctl
    Either this is not the control domain or the firmware does not support LDoms
    [ Oct  5 00:45:19 Method "start" exited with status 96 ]
    [ Oct  5 00:45:19 Rereading configuration. ]
    bash-3.00# cd /opt/SUNWldm/bin/
    bash-3.00# ls
    ldm ldmconfig ldmd ldmd_start schemas
    bash-3.00# ./ldmd_start
    ldmd cannot communicate with the hypervisor as the required device
    does not exist:
    /devices/virtual-devices@100/channel-devices@200/virtual-channel@0:hvctl
    Either this is not the control domain or the firmware does not support LDoms
    bash-3.00# ldm
    Failed to connect to logical domain manager: Connection refused
    bash-3.00# sc>
    sc> showhost
    Sun-Fire-T2000 System Firmware 6.7.12 2011/07/06 20:03
    Host flash versions:
    OBP 4.30.4.d 2011/07/06 14:29
    Hypervisor 1.7.3.c 2010/07/09 15:14
    POST 4.30.4.b 2010/07/09 14:24
    bash-3.00#
    bash-3.00# uname -a
    SunOS ldom-srv 5.10 Generic_118833-36 sun4v sparc SUNW,Sun-Fire-T200
    Thanks in advance

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