I am using the snd_cmi module with a CMedia CMI8738 sound card.
The device is recognized:
pcm0: <CMedia CMI8738> at io 0xd400 irq 16 kld snd_cmi (1p/1r/0v channels duplex default)
However, whenever the driver is used to play any audio, the system will
typically hang after a few seconds of play. There is no panic message that
I can tell (nothing in syslog), and the system is completely unresponsive.
The only way to reboot is to reset the system.
How-To-Repeat: # kldload snd_cmi
Then use any audio application.
Reassign to multimedia team
This happens with both the snd_cmi kernel module and with the
driver compiled into the kernel. I also tried both debug and
performance builds, with the same result.
Interestingly, with the system booted in single-user mode the
problem does not happen. I will try narrowing it down further.
Perhaps it is caused by an interaction between the driver and
other kernel modules (which would not be loaded in single-user
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Status: In Progress Changed: (is less than) 2014-06-01
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