Dear sirs: After I installed the HVR1200, it stop when we tune the frequency. Could anyone tell me what should i do for this situation? Thank you. The message in the log is below kernel: cx23885_dev_checkrevision() Hardware revision unknown 0x0 kernel: cx23885[0]/0: found at 0000:0b:00.0, rev: 4, irq: 16, latency: 0, mmio: 0xfea00000 kernel: tda10048_firmware_upload: waiting for firmware upload (dvb-fe-tda10048-1.0.fw)... kernel: firmware: requesting dvb-fe-tda10048-1.0.fw kernel: tda10048_firmware_upload: firmware read 24878 bytes. kernel: tda10048_firmware_upload: firmware uploading kernel: tda10048_firmware_upload: firmware uploaded kernel: tda18271: performing RF tracking filter calibration kernel: tda18271: RF tracking filter calibration complete Audrey _______________________________________________ linux-dvb users mailing list For V4L/DVB development, please use instead linux-media@xxxxxxxxxxxxxxx linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb