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TerraTec Cinergy C DVB-C / Twinhan AD-CP400

linux-dvb Markus Schneider 1 participant 1 message Jul 24, 2008 Media (V4L/DVB)

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Hello Marko,

I am also experiencing freezes that are caused by my TerraTec Cinergy DVB-C. On my box this only happens during channel scanning, not when viewing or switching channels. Still, it's quite annoying as scanning crashes very often and I never managed to get a full channel list :-(

It's good to see that someone is working on the instabilities. I applied you're patch, but unfortunately it didn't work for me :-(

Is there anything else that I can try? Do you have any ideas how to find the reason for the crashes?

Best regards,
Markus

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Here is a patch that implements the mentioned DMA transfer improvements. I hope that these contain also the needed fix for you.
You can apply it into jusst.de/mantis Mercurial branch.
It modifies linux/drivers/media/dvb/mantis/mantis_dma.c only. I have compiled the patch against 2.6.25.9-76.fc9.x86_64.

cd mantis
patch -p1 < mantis_dma.c.aligned_dma_trs.patch

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Please tell us whether my patch helps you or not: if it helps, some of my patch might get into jusst.de as
a fix for your problem.

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