> I am running a dual processor athlon mp 2400 as my myth backend using > a hauppage pvr 250. Like a year ago had problems with DMA which > resulted in random blocky artifacts in the mpegs. After disabling DMA > I have not had a single problem since and I have recorded > 1 TB of > programming since without any problems. I am using gentoo sources > 2.6.13-r3 and ivtv-0.4.3 > > # uname -a > Linux jmd0 2.6.13-gentoo-r3 #1 SMP Sat Jan 21 12:30:25 EST 2006 i686 > AMD Athlon(tm) MP 2200+ AuthenticAMD GNU/Linux > > # cat ivtv-0.4.3-pio.patch > --- ivtv-0.4.3/driver/ivtv-driver.old.h 2006-01-15 14:03:04.000000000 -0500 > +++ ivtv-0.4.3/driver/ivtv-driver.h 2006-03-07 03:07:54.000000000 -0500 > @@ -197,7 +197,7 @@ > #define IVTV_DEC_PIO 1 > #else > #define IVTV_VBI_PIO 0 > -#define IVTV_ENC_PIO 0 > +#define IVTV_ENC_PIO 1 > #define IVTV_DEC_PIO 0 > #endif > /* This sometimes times out, seems to kill > > BTW, I forgot to mention that my mobo is a TYAN Thunder K7 and I guess the processors are 2200s instead of 2400s. With this setup in PIO mode during a recording I get around 25% CPU usage which is due to using PIO instead of DMA. For me this is totally acceptable as I now generally only use it as my master backend for mythtv my desktop is a dual processor Opteron 850 with 4GB of memory...
John _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
