Agreed. My Compaq laptop which cost over a grand never comes back from hib. right. Often, the keyboard does not work.
I always shutdown. Bootstrapping with XP is much quicker on that laptop. Terry On Wed, Dec 31, 2008 at 3:08 PM, leaking pen <[email protected]> wrote: > my laptop coming back from a hibernate function, 2 gigs of ram, takes > about twice as long as the initial boot. i dont use hibernate > anymore, i just shutdown and then restart. > > and, nothing ever works right after coming back from hibernate. > > Again, ive not used newer macs, but both my classic II and my power > mac had the same issue. I never used hibernate, as it just didn't > work right. > > On Wed, Dec 31, 2008 at 12:36 PM, Jed Rothwell <[email protected]> wrote: >> Terry Blanton wrote: >> >>> >>> My point is that nothing happens between system clock pulses. The state >>> of a computer remains unchanged. With fast and cheap NV memory, you could >>> build a PC that could literally suspend its state between processor pulses >>> and instantly restore the PC to the state before suspension. >> >> I do not see how this would be any faster than a conventional battery-backed >> up computer in a wait state. What I mean is, we can accomplish the same >> thing today. >> >> It would draw no power and be immune to power outages, of course. For some >> applications that would be a tremendous advantage. Especially dedicated >> control and data collection devices. But a regular PC "wakes up" from >> hibernation and reloads 4 GB of RAM quickly. It is not a bit annoying. >> >> >>> >>> Many believe that the memristor could provide such an operation. BIOS, OS, >>> video, processor cache, all memories would be NV and totally freezable such >>> that no bootstrapping would ever occur (except with MicroSoft products >>> which would have to be restarted after the blue screen of death) :-) >> >> Even without a complete blue-screen of death crash, and even with other >> operating systems, garbage collection is imperfect and programs fail partly, >> so from time to time you have to completely reboot. Especially programs such >> as voice input, Acrobat reader and anything to do with graphics or video. >> >> A process control computer, such as the one driving a Prius or a Boeing 747, >> must have an emergency reboot and reload RAM procedure. It has to happen in >> a fraction of a second. So it cannot load from a disk, obviously. As far as >> I know, it goes back to Byte 0 of a ROM chip and starts from scratch, and >> whatever is in RAM is g-o-n-e. >> >> I suppose the hardest part for the programmer is to determine that the >> program has crashed and it is time to issue an emergency interrupt and >> reset. I recall that Data General computers used in critical apps used to >> have an auxiliary microcomputer checking the main computer, standing by >> ready to goose the main computer when it did not respond. The aux computer >> spend all day asking: "You okay? Still okay? Still there? Still okay? . . ." >> No response -- bam! If they both go out to lunch what do you do then? I >> guess the main one can check the aux one from time to time. Not likely they >> will both go out at the same moment. >> >> Years ago, Toyota issued a recall for Prius computers that were locking up >> and crashing while the vehicle was underway at high speed. That's scary! >> >> - Jed >> >> > >
