Kernel panic when unloading oss_hdaudio.ko

S

ShruggingAtlas

I have just installed -Stable from svn on my primary desktop, and almost everything runs with the stability I have come to expect from FreeBSD.

However, I have an HT Claro sound card based on the CMI8788 chip for which I had to install OSS from ports. Everything works fine while the system is running but when shutting down or if I do 'kldunload oss_hdaudio.ko' the kernel crashes.

I have little experience with OSS or kernel level stuff, so any pointers to help debug the problem would be much appreciated.

I have attached dmesg and ossinfo -v3.

Happy New Year to all.

/Martin
 

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  • ossinfo.txt
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The plot thickens

I have been trying to find out what goes wrong, and I can prevent the kernel panic by running:

Code: 
zfs umount -a

as root before shutting down.

Alas, my swap space is not large enough to dump on. I will correct this and update this post if I solve the problem, just in case someone else runs in to the same.

/Martin
 
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