On Feb 7, 2008 8:26 AM, Daniel Arfsten <[EMAIL PROTECTED]> wrote: > > Hello all, > I am using ivtv 0.10.1 with Ubuntu Feisty MythTV 0.20.2-fixes. I run a > PVR-350 with s-video IN from a SA3250HD STB using a ir-blaster to change the > channels. I am getting dropping frames. I have tried all the solutions that > I could find on the internet but it still hasn't solved the issue. > > Hardware: > AsRock 775duel-VSTA > C2D 1.8ghz > 2GB DDRII (533mhz, i think) > GeForce 6200 8X AGP 128mg ram > PCI Firewire card (don't even use it) > > dmesg shows this error whenever a recording occurs and the only other thing > that I am doing is running 2 torrents. > Does this happen if you shut these off?
> > [540732.313149] ivtv0: All encoder MPEG stream buffers are full. Dropping > data. > [540732.313153] ivtv0: Cause: the application is not reading fast enough. > > I have checked all hard drives, according to dmesg, they have DMA set. > > ata1.00: configured for UDMA/133 > ata2.00: configured for UDMA/133 > > I have set the PCI latency on the hard drive controllers to 176 per a > suggestion I found. lspci shows: > > 00:0f.0 IDE interface: VIA Technologies, Inc. VT8237A SATA 2-Port Controller > (rev 80) (prog-if 8f [Master SecP SecO PriP PriO]) > Subsystem: ASRock Incorporation Unknown device 0591 > Flags: bus master, medium devsel, latency 176, IRQ 21 > > I changed the ivtv parameters to increase the buffers. I use this in > /etc/modprobe.conf: > > options ivtv enc_yuv_buffers=32 enc_mpg_buffers=16 enc_vbi_buffers=16 > enc_pcm_buffers=16 > > it appears that the parameters are being used by looking at dmesg | grep > ivtv: > > [ 19.223220] ivtv0: Registered device video0 for encoder MPEG (16 MB) > > The only other thing that sticks out is this message in dmesg: > [ 18.779434] ivtv0: Encoder revision: 0x02050032 > [ 18.779438] ivtv0: Recommended firmware version is 0x02060039. > > Could that be the problem? Not likely. > How would I go about changing the firmware for > the PVR-350? The firmware is here: http://ivtvdriver.org/index.php/Download#Firmware You probably need to extract it to /lib/firmware > If someone could point me to an exact guide I would appreciate > it. Also, ivtv was "just installed" automagically in ubuntu so I never had > to compile it or anything like that. Would something mess up if I only > change out the firmware? No. > Excuse the questions but I am new to firmware and > what not. Is firmware just like drivers or modules? > > So I can't think of what else to do to solve this. Can anyone suggest > anything??? > Are you using mythtv? Are you using ext3? Is the hard drive thrashing when this error occurs? Is any other application writing data to the disks when this occurs? John _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
