On Dec 17th Piotr Chmura reported an oops when trying to watch tv with
his siano device, which uses smsusb, in Kaffeine.
I was recently seeing a very similar oops with Linux 4.9.0-rc6+, but
upon plugging in a Geniatech SU30000 device (vid,pid / 0x1f4d,0x3000)
which uses dw2102. Compiling the 4.9.0-rc6+ kernel with this config
setting disabled for now, as suggested here
https://github.com/LibreELEC/LibreELEC.tv/pull/1076 got rid of the oops
for me, and the Geniatech device no longer experiences the
"transfer buffer not dma capable" oops. http://pastebin.com/JWdHUDac
Hope that helps someone else as it helped me.
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