cc errors on all channels for 4 transponders

[realtime]

Hello! There was a problem with channels on four different satellite transponders, checked the signal level is stable for all ports:

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status SCVYL | signal 74% | snr 100% | ber 0 | unc 0 | FE_HAS_LOCK
status SCVYL | signal 74% | snr 100% | ber 0 | unc 0 | FE_HAS_LOCK
status SCVYL | signal 74% | snr 100% | ber 0 | unc 0 | FE_HAS_LOCK
status SCVYL | signal 74% | snr 100% | ber 0 | unc 0 | FE_HAS_LOCK

in the log getstream continuously on all channels:

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" Alert Stream <name chanel>: pid:<pid chanel> cc errors: 1"

use TBS 6984 and getstream a84 (cesbo.com), it began in a moment, and on all ports at once

в dmesg:

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[120004.352992] TurboSight TBS 6984 Frontend:
[120004.352994] tbs6984fe - Current Delivery System and Mode are unknown

earlier issues of this nature did not arise from what may be the reason?

[realtime]

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Linux videosrv0 3.1.10-1.9-desktop #1 SMP PREEMPT Thu Apr 5 18:48:38 UTC 2012 (4a97ec8) x86_64 x86_64 x86_64 GNU/Linux

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[    7.579723] DVB: registering new adapter (SAA716x dvb adapter)
[    7.625934] TurboSight TBS6984 DVB-S2 card port0 MAC=00:22:ab:90:0c:40
[    7.625937] DVB: registering adapter 0 frontend 0 (TurboSight TBS 6984 DVBS/S2 frontend)...
[    7.626053] DVB: registering new adapter (SAA716x dvb adapter)
[    7.670016] TurboSight TBS6984 DVB-S2 card port1 MAC=00:22:ab:90:0c:41
[    7.670019] DVB: registering adapter 1 frontend 0 (TurboSight TBS 6984 DVBS/S2 frontend)...
[    7.670161] DVB: registering new adapter (SAA716x dvb adapter)
[    7.714026] TurboSight TBS6984 DVB-S2 card port2 MAC=00:22:ab:90:0c:42
[    7.714029] DVB: registering adapter 2 frontend 0 (TurboSight TBS 6984 DVBS/S2 frontend)...
[    7.714159] DVB: registering new adapter (SAA716x dvb adapter)
[    7.758014] TurboSight TBS6984 DVB-S2 card port3 MAC=00:22:ab:90:0c:43
[    7.758017] DVB: registering adapter 3 frontend 0 (TurboSight TBS 6984 DVBS/S2 frontend)...