On Tuesday, October 05, 2010, Raj Kumar wrote: > > Hi Alan, > > I have question regarding the hibernation mode in linux. > > 1) In normal suspend to ram, is freezing of tasks necessary while suspend to ram in current linux power management core? Yes, it is. > 2) In hibernation mode, is freezing of tasks done before normal suspend/resumes in order to that hibernation image is in sync? That depends on what you mean by normal "suspend/resumes". Generally speaking, the hibernate code freezes tasks before preallocating image memory. > My issue is because it might be possible that there is some part of device driver which is user space and another part is kernel space > then in suspend to ram and hibernation mode is freezing of all user space part is done before kernel side or it differs while > suspend to ram and hibernation mode? User space is always frozen before suspend and hibernation. Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
