Juha Kuikka <juha.kuikka@xxxxxxxxx> writes: > On Tue, Oct 6, 2009 at 4:16 PM, Kevin Hilman > <khilman@xxxxxxxxxxxxxxxxxxx> wrote: >> >> Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> writes: >> >> > Hello, >> > >> > I've rebased/updated the PM branch based on current linux-omap master >> > branch (2.6.32-rc1 based.) >> > >> > I've also updated the OMAP Power Management wiki, and the 'Current >> > version' section highlights the changes, supported platforms as well >> > as the features that have made it into mainline. >> > >> > http://elinux.org/OMAP_Power_Management#Current_version >> > >> >> FYI... I just rebased the PM branch onto current omap/master. >> >> Some important user-visible changes: The /sys/power/* options are >> moving into debugfs. For mainline, these primarily debug options need >> to move to debugfs so I've moved them there. So, if you're missing >> some flag under /sys/power, it's now under /debug/pm_debug. >> >> I've updated the 'Using the PM branch' seciont of PM wiki[1] with >> the new filenames. >> >> Kevin >> >> [1] http://elinux.org/OMAP_Power_Management >> -- >> 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 > > Hi, Hi Juha, > I build and tried this latest on Beagleboard (C2). Booting from MMC > using ramdisk image. I changed the LL console to the 3rd UART. > > The issue I have is that after the system boots up it works for as > long as I keep actively using it but if I leave it idle for a short > time (~5s) it stops responding. I have tried waking it up using both > UART and "USER" button on the board. This is with the default PM > configuration. Thanks for testing, and reporting your problem. I have noticed exactly the same problem and am still investigating it. > If I put the board into suspend (retention) it wakes up without any issues. > > Also, if I enable "/debug/pm_debug/sleep_while_idle" board wakes up > without issues. Well the first couple characers on the console seem to > go missing but I guess without CTS/RTS that is expected? Yes, the loss of the first character is expected. > Any pointers would be appreciated. I also noticed that it works when 'sleep_while_idle' is enabled, and this has led me to suspect a bug in that serial timout path, but I have yet to debug further. Kevin -- 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