On 1/25/06, Robert Persson <[EMAIL PROTECTED]> wrote: > Some while back I was trying to get power saving working fully on my desktop > box and I found people talking about swsusp (as opposed to swsusp2) being > part of the official kernel sources. This puzzled me greatly because I have > never come across this option when configuring a kernel. In the end I > resigned myself to it being just one of those things. Its a parameter that should point to an empty partition for the kernel to park RAM information for use in a reboot. Its like specifing a specific hibernation file in windows, you pass the option to use the suspend partition to start the system. > > However yesterday, while I was trying in vain to get at least one acpi > function working, I became vastly more perplexed to find that there is > supposed to be a kernel config parameter called CONFIG_ACPI_SLEEP. Again, I > have never come across this option when I have configured a kernel. Yet it is > supposed to be part of the vanilla kernel (e.g. 2.6.15). Am I delusional? > I have had my omputer sleep under linux, at least my STR part of it, wakes up on keypress. > I have tried a whole load of other things to get things like acpi sleep > working, such as patching the 2.6.15 kernel with the patches from > acpi.sourceforge.net, making sure APM is disabled, as well as patching the > kernel with a debugged version of my motherboard's DSDT, but nothing gets any > kind of suspend or sleep working. > I just enable ACPI > I understand that I should be able to trigger power saving states by writing > to /sys/power/state, but whenever I 'echo -n standby > /sys/power/state' or > 'echo mem > /sys/power/state', even as root, nothing happens. I have checked > the write permissions and they are fine. However 'cat /sys/power/state' > invariably returns 'standby mem', no matter what I do. > > acpid works, at least to the extent that the machine will halt when the power > button is pressed. > > If I could ditch acpi and get by with apm then I would, however I am not > optimistic about this because apm is supposed not to like multiple processors > and I have a hyperthreading P4. > > How am I to get power saving (well, sleep at least) working? > > Thanks > Robert > -- > Robert Persson > > Conspiracy Bears: > Once upon a time there were lots of conspiracy bears... > > -- > [email protected] mailing list > >
-- [email protected] mailing list
