On Tue, Oct 13, 2009 at 06:25:17PM +0200, ext Kevin Hilman wrote: > Eduardo Valentin <eduardo.valentin@xxxxxxxxx> writes: > > > Hello Amit, > > > > On Mon, Oct 12, 2009 at 09:23:47PM +0200, ext Amit Kucheria wrote: > >> Hi, > >> > >> I am testing twl4030 script optimisations on the current PM branch. But I am > >> seeing the board (RX51) freeze when CPU_IDLE is enabled in the config. > >> > >> Is it known to work on other boards? > > > > I'm actually seeing this same behavior. But the board actually does not > > freeze. If you keep a key pressed of send a sysrq through serial line > > then you eventually get it back. > > > > It seams to be something related to serial driver and wakeup ? > > > > Do you see this problem after doing > > # echo 1 > /debug/pm_debug/sleep_while_idle > No I don't. The problem is gone it seams. similar effect happens if we # echo 0 > /sys/devices/platform/serial8250.2/sleep_timeout Of course, this would prevent device go to sleep I guess. > ? There is a known problem with the UART inactivity timer that I'm > debugging currently. Ok. > > Kevin > > > >> > >> Regards, > >> Amit > >> -- > >> ------------------------------------------------------------------------- > >> Amit Kucheria, Kernel Developer, Verdurent > >> ------------------------------------------------------------------------- > >> -- > >> To unsubscribe from this list: send the line "unsubscribe linux-omap" in > >> the body of a message to majordomo@xxxxxxxxxxxxxxx > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > > Eduardo Valentin > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Eduardo Valentin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
