From: Joerg W. <mo...@al...> - 2011-04-20 05:35:14
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Hello Moses, I'm running one of these no-name 8-chip BT878 cards and my machine also crashes from time to time, but very rarely actually. I believe that the crashes are related to the huge amount of traffic that the 8 chips are generating on the PCI bus. I'm therefore still looking for an 8-chip version with PCIe interface, that is well supported by the BTTV driver... Brgds Joerg. -- Moses wrote: Yes, it appears bttv.ko is the one controlling it all. I've tried all sorts of bttv arguments, the interrupt fixes, triton, via, etc... here is my current one, disabling v4l2 seems to give a bit more time between crashes. options bttv gbuffers=32 radio=0,0,0,0,0,0,0,0 tuner=4,4,4,4,4,4,4,4 card=102,102,102,102,102,102,102,102 chroma_agc=1 combfilter=2 full_luma_range=1 coring=1 autoload=0 v4l2=0 I've tried modifying the latency timers in the bios as well, nothing really seems to help. I used to have an option in modprobe.conf "options i2c-algo-bit bit_test=1", but I've disabled it to see if it helps any, it just pauses a few minutes at boot without that option. I don't know too much about how all the internals work.. it's change/wait/see type fixes for now. Is there anyone out there running more then 4 chips on a single machine, bt878 or otherwise? If so, I would greatly appreciate hearing from you. Using motion with linux makes for a great security DVR, I can script pretty much whatever needs to be done, email and pager alerts, timelapse movies, turn on lights during motion.. its pretty much limitless. Just have to figure out how to get more then 4 inputs to work reliably! Regards, -Moses On 4/19/2011 9:19 PM, Andrew Burgess wrote: > On 04/19/2011 07:50:27 PM, Moses wrote: > >> No "bt878: AUDIO driver version" in my dmesg output. I don't believe >> there is anything audio related on this card. Below is the output of >> the >> first two chips for reference. > so maybe bttv.ko is handling the card directly? > > sorry it wasn't the array size. > > did you try any of the many arguments to the bttv module? > > interesting observation about the shared interrupts. > is there some bios tweaking that would help? > i seem to recall something about interrupts the last time i > lookeed at a bios... > > ------------------------------------------------------------------------------ Benefiting from Server Virtualization: Beyond Initial Workload Consolidation -- Increasing the use of server virtualization is a top priority.Virtualization can reduce costs, simplify management, and improve application availability and disaster protection. Learn more about boosting the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev _______________________________________________ Motion-user mailing list Mot...@li... https://lists.sourceforge.net/lists/listinfo/motion-user http://www.lavrsen.dk/twiki/bin/view/Motion/WebHome |