"Nayak, Rajendra" <rnayak@xxxxxx> writes: >>-----Original Message----- >>From: Kevin Hilman [mailto:khilman@xxxxxxxxxxxxxxxxxxx] >>Sent: Wednesday, June 17, 2009 8:37 PM >>To: Nayak, Rajendra >>Cc: Woodruff, Richard; linux-omap@xxxxxxxxxxxxxxx >>Subject: Re: OMAP3 PM: off-mode during idle, problem with UART1 console >> >>"Nayak, Rajendra" <rnayak@xxxxxx> writes: >> >>> What Silicon Rev does your SDP have? I currently am using an >>ES3.1 based SDP >>> and I havent seen any of these issues you have reported with >>off-while-idle. >> >>I have and ES3.0 SDP. >> >>> Infact I have kept the board running overnight a couple >>times in the last week >>> with off-while-idle and voltage scaling to 0v enabled, >>mainly to test the recent >>> patch set (disabling Auto idle for PER in scratchpad memory) >>for stability. >> >>Ah, great. That is really good to know. Are you using >>omap_3430sdp_pm_defconfig? >> >>I see the same problems with and without your patches. >> >>> I will see if I can get hold of an ES3 and ES2.1 based SDP's >>and see if I reproduce >>> the issue. Besides I use nfs and I am not sure if that's got >>something to do with it. >>> Will try a ramdisk also. >> >>I'm using a ramdisk. >> >>> Does it take you a while to reproduce this, or is it seen >>after the very first UART >>> inactivity? >> >>It happens on the first try. >> >>Could you try my uImage which has my initramfs rootfs built-in on your >>ES3.1 SDP? >> >> http://userweb.kernel.org/~khilman/tmp/rajendra/uImage.pm-vanilla >> >>Immediately after booting, I do >> >># echo 1 > /sys/power/enable_off_mode >> >># echo 1 > /sys/power/voltage_off_while_idle >> >># echo 1 > /sys/power/sleep_while_idle >> >> >>and after UART inactivity, I start to see sys_off_mode LED blinking. > > Kevin, > > This image works just fine on both my ES3.1 GP as well as ES3.0 EMU SDP. > After the sys_off LED blinks, a key press stops the blinking and also gets > be the debug console back. > Rajendra, Thanks a lot for testing. It sounds like something specific to the ES3.0 GP SDP. 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
