This seems a bit odd. As the bt878 module loads, I get the following error messages, despite definitions in the bttv module that bt878 depends on:
# egrep '(bttv_read_gpio|bttv_write_gpio|bttv_gpio_enable)' /var/log/dmesg bt878: Unknown symbol bttv_read_gpio bt878: Unknown symbol bttv_write_gpio bt878: Unknown symbol bttv_gpio_enable SMP kernel, the cpu is an AMD Athlon(tm) 64 X2 Dual Core Processor 5200+. Full dmesg output is at http://bugzilla.kernel.org/attachment.cgi?id=9987&action=view (unrelated bug, but same box). Full config is at http://bugzilla.kernel.org/attachment.cgi?id=9988&action=view (likewise). Output of lspci -nn -vvx is at: http://bugzilla.kernel.org/attachment.cgi?id=9989&action=view (likewise). # modinfo bt878 | grep depends depends: bttv # nm dvb/bt8xx/bt878.ko | egrep '(bttv_read_gpio|bttv_write_gpio|bttv_gpio_enable)' U bttv_gpio_enable U bttv_read_gpio U bttv_write_gpio # nm video/bt8xx/bttv.ko | egrep '(bttv_read_gpio|bttv_write_gpio|bttv_gpio_enable)' 0000000011dc4b6d A __crc_bttv_gpio_enable 00000000bcf2d2fb A __crc_bttv_read_gpio 000000008ecf4acc A __crc_bttv_write_gpio 0000000000000018 r __kcrctab_bttv_gpio_enable 0000000000000020 r __kcrctab_bttv_read_gpio 0000000000000028 r __kcrctab_bttv_write_gpio 0000000000000040 r __kstrtab_bttv_gpio_enable 0000000000000051 r __kstrtab_bttv_read_gpio 0000000000000060 r __kstrtab_bttv_write_gpio 0000000000000030 r __ksymtab_bttv_gpio_enable 0000000000000040 r __ksymtab_bttv_read_gpio 0000000000000050 r __ksymtab_bttv_write_gpio 000000000000898c T bttv_gpio_enable 000000000000894d T bttv_read_gpio 0000000000008909 T bttv_write_gpio - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/