Zoneminder and multichannel cards

Mark Tinguely tinguely at
Thu Oct 4 08:37:02 PDT 2007

>  I have successfully (and painfully!) managed to get correct quality video out
>  of ZoneMinder zoneminder-1.22.3, on 6.2-RELEASE-p4 with the LMLBT4M card.
>  (card info on
>  However i cant instantiate a second instance of the video capture daemon of 
>  zoneminder (zmc), because of a "/dev/bktr0: Device busy" error.
>  Is it possible to open /dev/bktr0 from two programms at the same time?

No, the bktr(4) driver is written so that only one open is active at a time.

--Mark Tinguely.

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