Hi, I've seached for info on the problem but can seem to find any. I get this problem intermittently when making an AVI. My system is an Athlon 1200 on a kt266 chipped MB. I'm building mplayer and components on Debian with gcc2.95-4. Mplayer seems to be working ok. I've got divx4 from the avifile download page. these seem a little better than divx4 from divx.com. I'm trying to do pass 2. I managed to get all the way through pass 1 after a couple of tries. tony tony@power:~$ nice cat /pub/movies/lethal_weapon4/*.vob | nice mencoder -aid 128 -ovc divx4 -oac mp3lame -x 704 -y 416 -divx4opts br=1500 -o movie.avi -pass 2 - MEncoder CVS-011231-11:44-2.95.4 (C) 2000-2001 Arpad Gereoffy (see DOCS!) Reading /home/tony/.mplayer/codecs.conf: can't open '/home/tony/.mplayer/codecs.conf': No such file or directoryReading /usr/local/share/mplayer/codecs.conf: 25 audio & 70 video codecs CPU vendor name: AuthenticAMD max cpuid level: 1 CPU: Advanced Micro Devices Athlon TB Thunderbird (Type: 6, Stepping: 2) extended cpuid-level: 6 CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 0 SSE2: 0 Reading from stdin... success: format: 0 data: 0x0 - 0x0 header block 1 size: 0 Detected MPEG-PS file format! VIDEO: MPEG2 720x576 (aspect 3) 25.00 fps 8750.0 kbps (1093.8 kbyte/s) [V] filefmt:2 fourcc:0x10000002 size:720x576 fps:25.00 ftime:=0.0400 Detected video codec: [mpeg12] drv:1 prio:0 (MPEG 1 or 2) mpeg2dec-0.2.0-release (C) 2000-2001 Aaron Holtzman & Michel Lespinasse libmpeg2: Using MMXEXT for IDCT transform libmpeg2: Using MMXEXT for motion compensation Detected audio codec: [a52] drv:14 (AC3-liba52) Using 3DNow optimized IMDCT transform AC3: 5.1 (3f+2r+lfe) 48000 Hz 384.0 kbit/s Using MMX optimized resampler AUDIO: srate=48000 chans=2 bps=2 sfmt=0x10 ratio: 48000->192000 Divx: 2-pass logfile: divx2pass.log MP3 audio selected Writing AVI header... SwScaler: FAST_BILINEAR scaler with YV12 output using MMX2 Internal buffer inconsistency. flushbits <> ResvSizeA: 133.9 V: 133.5 A-V: 0.410 oAV: 0.464 diff: 0.002 ct: -Internal buffer inconsistency. flushbits <> ResvSizehead_check failed head_check failed A-V: 0.370 oAV: 0.448 diff: -0.022 ct: -0.058 vpc: -0.058 head_check failed A-V: 0.330 oAV: 0.408 diff: -0.020 ct: -0.060 vpc: -0.060