On Monday, May 02, 2011, purusothaman.ramajothi@xxxxxxxxx wrote: > Hi, > > > > I am using 2.6.27.18 kernel.My machine is powerpc > architecture.I executed the deep sleep operation by executing the > following command: > > > > "echo mem > /sys/power/state" > > > > The suspend opeartion was successful.All the devices and user level > threads are suspended. > > > > But sometimes during resume my machine hangs.This is not happening > regularly.But it occurs after 60 or 70 times of deep sleep operation.So > for debugging this I have added checkpoints in the flow of deep > check.When this issue was produced the kernel hangs around "thaw_tasks" > or "schedule" function of "thaw_processes".These functions are defined > in "kernel/power/process.c". > > > > Note: The final printk message "Restarting tasks.....done" was not > displayed when this issue occurred.But all the devices and drivers > resumed back. > > > > I was not able to debug this as the reproduciablity rate was too > low.Kindly help me in solving the issue. Well, the only advice I can give you at the moment is to try a newer kernel (the newer the better). Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
