From: Pavel M. <pa...@uc...> - 2002-05-31 11:19:42
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Hi! > > From: Nathan [mailto:wfi...@fu...] > > "echo -n 4 > /proc/acpi/sleep" puts us in normal S4 sleep mode if > > possible, fail otherwise. > > "echo -n 4b > /proc/acpi/sleep" utilizes s4bios if possible, fail > > otherwise. > > [snip] > > > Userspace just sees "resume OK" or "suspend not OK" messages, right? > > ("suspend OK" and "resume not OK" don't seem possible). So > > then making > > S4 and S4bios seem the same to userspace doesn't look to be very hard. > > What I meant was that the method of hibernation was an implementation > detail, and as such should not be exposed through the kernel<-->user > interface. If a 4 is written, the kernel should just do the right > one, IMO. S4bios only works if suspend partition is there. S4 only works if swap partition is there and resume=/dev/swap_partition is going to be on kernel command line during resume. It does not seem reasonable for kernel to go around searching for partitions, and to try to guess future. Pavel -- Casualities in World Trade Center: ~3k dead inside the building, cryptography in U.S.A. and free speech in Czech Republic. |