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21 it may cause some problems, too. If you change kernel command line
22 between suspend and resume, it may do something wrong. If you change
23 your hardware while system is suspended... well, it was not good idea;
24 but it will probably only crash.
26 ( ) suspend/resume support is needed to make it safe.
36 line or specify it using /sys/power/resume.
40 resume_offset=<number> on the kernel command line or specify it
52 to RAM (provided your platform supports it), you can try::
66 before suspend (it is limited to around 2/5 of available RAM by default).
69 if found, it then checks the contents for the hibernation image signature.
70 If both are found, it resumes the hibernation image.
79 the init script by using the /sys/power/resume file. It is vital
92 Nowadays it is common in several laptops that they have a suspend button. It
95 ram and the machine can continue its work. It has two real benefits. First we
103 `resume=` kernel option. If signature is found it loads and restores saved
104 state. If the option `noresume` is specified as a boot parameter, it skips
106 parameter, it saves hibernation image without compression.
138 You bought new UPS for your server. How do you install it without
151 to its original location as we load it. That would create an
154 it back to it original location. This implies, of course, a maximum
164 during suspending, but otherwise it would work...
182 kernels from swsusp.sourceforge.net. It includes support for SMP, 4GB
183 highmem and preemption. It also has a extensible architecture that
192 What is the freezing of tasks and why are we using it?
219 it's useless for suspend-to-disk. (And I do not see how you could use
220 it for suspend-to-ram, I hope you do not want that).
250 but it may be unnecessarily slow. If you want your driver to stay simple,
251 slowness may not matter to you. It can always be fixed later.
253 For devices like disk it does matter, you do not want to spindown for
321 First of all: it is not a replacement for dm-crypt encrypted swap.
322 It cannot protect your computer while it is suspended. Instead it does
333 on disk virtually forever. Thus it can happen that your system gets
357 Generally, yes, you can. However, it requires you to use the "resume=" and
366 It should work okay with highmem.
369 Does swsusp (to disk) use only one swap partition or can it use
377 (over half of the total system RAM), is it correct that it is likely
381 No, it should work okay, as long as your app does not mlock()
382 it. Just prepare big enough swap partition.
389 is broken, it is usually some kernel driver, therefore trying with as
393 usually does the trick. Then it is good idea to try with latest
401 Well, it can be done, load the drivers, then do echo into
418 # if the level is higher than needed, we leave it alone.
463 Remember that it's always a bad idea to unplug a disk drive containing a
492 2.6.15. Any idea for why that might happen or how can I speed it up?
500 image. If you set it to 0 (eg. by echo 0 > /sys/power/image_size as
501 root), the 2.6.15 behavior should be restored. If it is still too
503 supports LZF compression to speed it up further.