topic Re: i.MX6 Sabresd Android Lollipop Suspend problem in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/i-MX6-Sabresd-Android-Lollipop-Suspend-problem/m-p/599291#M89964 <HTML><HEAD></HEAD><BODY><P>You are using i.MX6Q, there are four cores. So, there are 3 CPUs shutdown/wakeup when suspend/resume.</P></BODY></HTML> Tue, 10 Jan 2017 02:50:43 GMT jimmychan 2017-01-10T02:50:43Z i.MX6 Sabresd Android Lollipop Suspend problem https://community.nxp.com/t5/i-MX-Processors/i-MX6-Sabresd-Android-Lollipop-Suspend-problem/m-p/599290#M89963 <HTML><HEAD></HEAD><BODY><P>we are using i.MX6q based sabresd for checking the power management in android. we observed that CPU is resumed frequently ( CPU is up). Why it is happening...?</P><P></P><P>LOG:</P><P></P><P>request_suspend_state: sleep (0-&gt;3) at 38745985003 (1970-01-01 00:10:49.06359567 0 UTC)<BR />PM: suspend entry 1970-01-01 00:10:49.073418337 UTC<BR />Freezing user space processes ... (elapsed 0.031 seconds) done.<BR />Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.<BR />Suspending console(s) (use no_console_suspend to debug)<BR />PM: suspend of devices complete after 59.473 msecs<BR />PM: suspend devices took 0.060 seconds<BR />PM: late suspend of devices complete after 0.538 msecs<BR />PM: noirq suspend of devices complete after 0.610 msecs<BR />Disabling non-boot CPUs ...<BR />CPU1: shutdown<BR />CPU2: shutdown<BR />CPU3: shutdown<BR />Suspended for 0.000 seconds<BR />Enabling non-boot CPUs ...<BR />CPU1: Booted secondary processor<BR />CPU1 is up<BR />CPU2: Booted secondary processor<BR />CPU2 is up<BR />CPU3: Booted secondary processor<BR />CPU3 is up<BR />PM: noirq resume of devices complete after 0.332 msecs<BR />PM: early resume of devices complete after 0.372 msecs<BR />PM: resume of devices complete after 110.992 msecs<BR />PM: resume devices took 0.120 seconds<BR />Restarting tasks ... done.<BR />PM: suspend exit 1970-01-01 00:11:06.071042667 UTC<BR />PM: suspend entry 1970-01-01 00:11:06.075606667 UTC<BR />Freezing user space processes ... (elapsed 0.001 seconds) done.<BR />Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.<BR />Suspending console(s) (use no_console_suspend to debug)<BR />PM: suspend of devices complete after 55.796 msecs<BR />PM: suspend devices took 0.060 seconds<BR />PM: late suspend of devices complete after 0.451 msecs<BR />PM: noirq suspend of devices complete after 0.567 msecs<BR />Disabling non-boot CPUs ...<BR />CPU1: shutdown<BR />CPU2: shutdown<BR />CPU3: shutdown<BR />Suspended for 0.000 seconds<BR />Enabling non-boot CPUs ...<BR />CPU1: Booted secondary processor<BR />CPU1 is up<BR />CPU2: Booted secondary processor<BR />CPU2 is up<BR />CPU3: Booted secondary processor<BR />CPU3 is up<BR />PM: noirq resume of devices complete after 0.291 msecs<BR />PM: early resume of devices complete after 0.365 msecs<BR />PM: resume of devices complete after 112.301 msecs<BR />PM: resume devices took 0.120 seconds<BR />Restarting tasks ... done.<BR />PM: suspend exit 1970-01-01 00:11:33.074133000 UTC<BR />active wake lock PowerManagerService.WakeLocks<BR />PM: suspend entry 1970-01-01 00:11:33.166782333 UTC<BR />Freezing user space processes ... (elapsed 0.001 seconds) done.<BR />Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.<BR />Suspending console(s) (use no_console_suspend to debug)<BR />PM: suspend of devices complete after 59.390 msecs<BR />PM: suspend devices took 0.060 seconds<BR />PM: late suspend of devices complete after 0.448 msecs<BR />PM: noirq suspend of devices complete after 0.570 msecs<BR />Disabling non-boot CPUs ...<BR />CPU1: shutdown<BR />CPU2: shutdown<BR />CPU3: shutdown<BR />Suspended for 0.000 seconds<BR />Enabling non-boot CPUs ...<BR />CPU1: Booted secondary processor<BR />CPU1 is up<BR />CPU2: Booted secondary processor<BR />CPU2 is up<BR />CPU3: Booted secondary processor<BR />CPU3 is up<BR />PM: noirq resume of devices complete after 0.299 msecs<BR />PM: early resume of devices complete after 0.367 msecs<BR />PM: resume of devices complete after 112.165 msecs<BR />PM: resume devices took 0.120 seconds<BR />Restarting tasks ... done.<BR />PM: suspend exit 1970-01-01 00:12:33.071900000 UTC<BR />active wake lock PowerManagerService.WakeLocks<BR />PM: suspend entry 1970-01-01 00:12:33.170563333 UTC<BR />Freezing user space processes ... Freezing remaining freezable tasks ... (elapse d 0.003 seconds) done.<BR />Suspending console(s) (use no_console</P></BODY></HTML> Mon, 09 Jan 2017 07:00:24 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX6-Sabresd-Android-Lollipop-Suspend-problem/m-p/599290#M89963 ranjithhebbar 2017-01-09T07:00:24Z Re: i.MX6 Sabresd Android Lollipop Suspend problem https://community.nxp.com/t5/i-MX-Processors/i-MX6-Sabresd-Android-Lollipop-Suspend-problem/m-p/599291#M89964 <HTML><HEAD></HEAD><BODY><P>You are using i.MX6Q, there are four cores. So, there are 3 CPUs shutdown/wakeup when suspend/resume.</P></BODY></HTML> Tue, 10 Jan 2017 02:50:43 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX6-Sabresd-Android-Lollipop-Suspend-problem/m-p/599291#M89964 jimmychan 2017-01-10T02:50:43Z Re: i.MX6 Sabresd Android Lollipop Suspend problem https://community.nxp.com/t5/i-MX-Processors/i-MX6-Sabresd-Android-Lollipop-Suspend-problem/m-p/599292#M89965 <HTML><HEAD></HEAD><BODY><P>we are using iMX6Q, in that without using any wakeup source, system is resuming back and immediately &nbsp;going to suspend again this behavior continuous. Our doubt is, why it is resuming without any wakeup in Android Lollipop...?</P></BODY></HTML> Tue, 10 Jan 2017 04:22:13 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX6-Sabresd-Android-Lollipop-Suspend-problem/m-p/599292#M89965 ranjithhebbar 2017-01-10T04:22:13Z