On 02/26/13 10:17, poma wrote: > On 02/26/13 09:54, Antti Palosaari wrote: > […] >>> I want just know if I could reproduce that AF9015 error message or was >>> it just warning. Is it something I have to fix for Kernel 3.10 or >>> earlier. I am running Fedora 17 AMD64 and could surely compile any >>> Kernel needed. >> >> OK, found it finally. >> Kernel hacking ---> Enable debugging of DMA-API usage > On /boot/vmlinuz-3.9.0-0.rc0.git7.1.NONE_DMA_API_DEBUG.fc18.x86_64 with 'CONFIG_DMA_API_DEBUG is not set', "WARNING(S): at lib/dma-debug.c…" are masked. Thanks for pointing out. > True. > grep CONFIG_DMA_API_DEBUG /boot/config-3.* > /boot/config-3.7.8-202.fc18.x86_64:# CONFIG_DMA_API_DEBUG is not set > /boot/config-3.7.9-201.fc18.x86_64:# CONFIG_DMA_API_DEBUG is not set > /boot/config-3.8.0-1.fc18.x86_64:# CONFIG_DMA_API_DEBUG is not set > /boot/config-3.9.0-0.rc0.git5.1.fc18.x86_64:CONFIG_DMA_API_DEBUG=y > /boot/config-3.9.0-0.rc0.git6.1.fc19.x86_64:CONFIG_DMA_API_DEBUG=y > /boot/config-3.9.0-0.rc0.git7.1.fc19.x86_64:CONFIG_DMA_API_DEBUG=y > >> >> There was rather many DVB USB drivers using USB bulk buffers from the >> stack. I will fix at least some of those, lets say for 3.10. >> After applying http://git.linuxtv.org/anttip/media_tree.git/shortlog/refs/heads/dvb_usb_v2_stack on '7d180f91eaabfbb813f1eda9e39e4445bfb826fc branch 'master' of git://linuxtv.org/media_build', all clear. :) Tested on 3.9.0-0.rc0.git7.1.fc19.x86_64 with mplayer and mythbackend. Even so, on /boot/vmlinuz-3.9.0-0.rc0.git7.1.NONE_DEBUG.fc18.x86_64 with disabled debugging options, none of those warnings exist, including skge's and solved ivtv's locking issue. Besides there is no speed reduction regarding network part - skge. Josh was right. OK, Antti, Mauro, Josh thank you again. ;) poma _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel