Hi ,
i am using a usb composite device having usb - hid and usb - audio interface
with linux machine as usb host .
i am trying to do digital audio streaming over usb audio class interface .
when i stream audio , kernel produces these logs very frequently .
ALSA sound/usb/usbaudio.c:351: frame 0 active: -18 .
upon seeing documentation , -18 comes to be EXDEV (#define EXDEV
18 /* Cross-device link */) .
whenever this problem comes , the kernel does not crash but sound
glitch comes ,
and then system automatically recovers after some time , and audio is
resumed .
can i be guided , why this problem comes and how to solve this problem .
waiting for reply .
thanx & regards
amit nagal
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