Notices for Linux
Important notifications to be read before installing and/or using the product on your Linux PC
Memento installation
Memento must be installed prior to MultiCam.
If the MultiCam package is already installed, proceed as follows:
Additional notices for Linux 64-bit
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It is allowed to allocate memory anywhere in the available physical memory addressing space. When memory is allocated beyond the lowest 4 GB of the physical memory addressing space, the OS performs automatically a buffer copy. |
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For systems with more than 2 GB of RAM: |
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The kernel reserves swiotlb memory for DMA transfers with devices that do not
support 64-bit addressing. |
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Usually, the default is 64MB for the whole system.
This may be insufficient for the total amount of memory used by your surfaces.
To increase the amount of memory that can be used for acquisitions, you can
use the swiotlb boot option swiotlb = n where n is the desired number of swiotlb slabs (1 slab = 2KB). |
Additional notices for Linux 32-bit
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PAE —Physical Address Extension— is not supported. The memory allocated for MultiCam must be below 4 GB in the physical memory addressing space. |
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For systems with more than 2 GB of RAM: |
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Devices that do not support 64-bit addressing must use memory below 4 GB for
DMA transfers. |
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The mem kernel boot option can be used to restrict the amount
of memory used by the OS. For example:
mem = 3000M |
