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DMA coherent pool is to small Crash

Hi !..

Been running tests with the hifiberry cards and seems that the card fills up the coherent pool.

After 4Days .. it stopped playing and i got this in the log:

May 12 14:20:24 raspberrypi kernel: [358744.839830] ERROR: 4096 KiB atomic DMA coherent pool is too small!
May 12 14:20:24 raspberrypi kernel: [358744.839830] Please increase it with coherent_pool= kernel parameter!

Im running a loop,
Having mplayer play a mp3 file to end and then quit. , starting over the same procedure with a new file.

...
System :
Uptime 4 days, 7:57, 1 user, load average: 0.05, 0.06, 0.10

Linux raspberrypi 3.10.38+ #675 PREEMPT Sun Apr 27 18:15:12 BST 2014 armv6l GNU/Linux
pi@raspberrypi ~ $


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