e9hack schrieb: >> I agree. We need first to stop DMA activity, and then release the page tables. >> >> Could you please test if the enclosed patch fixes the issue? > > your patch doesn't solve the problem, because saa7146_dma_free() doesn't stop a running > dma transfer of the saa7146. Sorry, that was wrong. I did only look, if my additional messages were print or not, but I didn't wait for the memory corruption, because it may corrupt the file system. With your patch, I get the messages, but the protection address is set to 0, which disables the dma transfer even if the dma transfer is enabled within the MC1 register. Regards, Hartmut -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
