> Unload all DVB modules and then try: > > modprobe dvb-core dvb_shutdown_timeout=0 Btw, is there any reason why these variables are exported read-only to sysfs? Any objection against making them rw? Changing the timeout becomes a simple: echo 0 >/sys/module/dvb_core/parameters/dvb_shutdown_timeout Ciao, ET. --- linux-2.6.13/drivers/media-orig/dvb/dvb-core/dvb_frontend.c 2005-08-29 19:21:12 +0200 +++ linux-2.6.13/drivers/media/dvb/dvb-core/dvb_frontend.c 2005-09-09 03:41:01 +0200 @@ -52,13 +52,13 @@ static int dvb_powerdown_on_sleep = 1; module_param_named(frontend_debug, dvb_frontend_debug, int, 0644); MODULE_PARM_DESC(frontend_debug, "Turn on/off frontend core debugging (default:off)."); -module_param(dvb_shutdown_timeout, int, 0444); +module_param(dvb_shutdown_timeout, int, 0644); MODULE_PARM_DESC(dvb_shutdown_timeout, "wait <shutdown_timeout> seconds after close() before suspending hardware"); -module_param(dvb_force_auto_inversion, int, 0444); +module_param(dvb_force_auto_inversion, int, 0644); MODULE_PARM_DESC(dvb_force_auto_inversion, "0: normal (default), 1: INVERSION_AUTO forced always"); -module_param(dvb_override_tune_delay, int, 0444); +module_param(dvb_override_tune_delay, int, 0644); MODULE_PARM_DESC(dvb_override_tune_delay, "0: normal (default), >0 => delay in milliseconds to wait for lock after a tune attempt"); -module_param(dvb_powerdown_on_sleep, int, 0444); +module_param(dvb_powerdown_on_sleep, int, 0644); MODULE_PARM_DESC(dvb_powerdown_on_sleep, "0: do not power down, 1: turn LNB volatage off on sleep (default)"); #define dprintk if (dvb_frontend_debug) printk