Here's a strange one: Suspending a Pentium4 32bit machine used to work a treat. For years. Then around 9 months ago or so, I can't recall exactly, it started causing crashes. What happens is that the monitor will go to sleep and the disk will stop immediately, but the machine continues to run and run and run ...
At that point I have lost access to the keyboard and the monitor does not wake up if I move the mouse. Using ssh to connect shows that the machine is off the network, so I assume that the NIC is also suspended. The only way to recover is to pull the plug. :-( Unfortunately, mysql has left a lock file behind, so it won't start at reboot until I remove the lockfile. Now, here's the strange thing about all this. I have 4 RAM modules, 2x1G and 2x500M. Following the manual I have installed them in this order: slot 1 - 1G, slot 2 - 0.5G, slot 3 - 1G, slot 4 - 0.5G If I try to suspend the machine soon after boot, when it is still using low amounts of memory, the machine will suspend each time without fail (just like it used to do in the past). If I wait until the machine is using more than 1G or so, then it will always crash. I'm running memtest86+ just in case, but 3 passes and no errors are shown so far. Suspend to RAM is really a time saver on this machine and was being used at least 4-5 times a day. Now the box is running non-stop 16 hours a day or more, which is wasteful (although with the Pentium4 I'm saving on central heating bills!) Any ideas what I can look into to resolve this? -- Regards, Mick
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