From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Sun, 10 Nov 2013 09:48:02 +0100 Subject: [Buildroot] Buildroot 2013.08.1, Linaro 2013.04 as toolchain, kernel 3.0.101, wakeup from standby issue In-Reply-To: References: Message-ID: <20131110094802.029c72fe@skate> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Dear Stanislav Vlasic, On Sun, 10 Nov 2013 05:17:28 +0100, Stanislav Vlasic wrote: > Here are my steps I perform to suspend ARM based device: > > - close all running apps (eg. XBMC) > - sync command to save all cached data > - issue mem to /sys/power/state sysfs node > - after that power indicator led turns off > > That all works just fine. > > After interrupt (IR remote in my case handled by uboot and ARC), kernel > wakes up, resumes all drivers, puts power led in ON state and ends up with > unknown_wakeups message. > > Any help or hint would be appreciated :) Android JellyBean 4.2.2 on same > platform works way it should (it wakes up). What makes you think this is a Buildroot problem? It seems like a kernel problem, so I would suggest to contact the people who did the kernel support for your hardware platform (which you forgot to mention, BTW). Best regards, Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com