Error Message: Please reboot to maintain internal memory

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Thunder Dump
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Error Message: Please reboot to maintain internal memory

Unread post by Thunder Dump » Sun Jun 09, 2019 11:35 pm

So I leave my MODX7 on 24/7 in the studio and I've noticed that after a while (days), I will get the following message appearing at the top of the screen:

"Please reboot to maintain internal memory"

The keyboard is just sitting idle, so it tells me there must be some kind of a memory leak, and the programmers put a routine in to recognize it and offer a solution. Seems a little amateur, as I've never had any other workstation from any other manufacturer ever need to reboot after sitting idle for an extended period of time.

I'm also curious as to what happens if I don't reboot. Will it eventually crash due to a memory error?

:roll:
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Re: Error Message: Please reboot to maintain internal memory

Unread post by Derek » Mon Jun 10, 2019 7:56 pm

Hello. Not good, but at least an error is being detected as opposed to it just bombing.

Now is a good time to ensure you have a good backup policy, and that your valuable memory contents are backed up to USB stick....

As to your question, I guess there is only one way to find out....

You could also report it to Yamaha to see what they have to say about it.
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Re: Error Message: Please reboot to maintain internal memory

Unread post by Saul » Mon Jun 10, 2019 8:12 pm

That's an odd one. Never come across it before and have to say it is a little worrying! But then I have never had a keyboard quite like the MODX before either. The closest thing to it that I have owned in the past would be the KORG M3 and I can't ever remember turning that off but it worked flawlessly.

Why would you need to reboot in order to maintain internal memory? Can't figure that one out :confusion-confused:
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Re: Error Message: Please reboot to maintain internal memory

Unread post by Derek » Tue Jun 11, 2019 1:01 pm

It could be a poor translation. If, as the OP suggests, there is a memory leak (memory being allocated for a task and never released) then you will run out at some point. A well behaved program will terminate gracefully, a less well behaved one could crash. My main concern is if that crash occurred whilst the MODX was doing something to your user data (in FLASH). Which is why I recommended doing a back up.

Also how long does it take after a reboot to reach its state? Not sure why the OP leaves it running 24/7 as it boots quickly. His choice of course, but just curious. I have never seen the error on my Montage (the same OS), but it has probably never run for ore than 12 hours in one session.
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Re: Error Message: Please reboot to maintain internal memory

Unread post by Saul » Tue Jun 11, 2019 2:06 pm

Perhaps Yamaha just didn't allow for the fact that someone would leave their MODX permanently switched on. It has a auto power off feature set by default, I can't remember how long the timer on that is set for?

I can though envisage a situation where someone will have everything set up and working and want it all in the same state as they left it when they come back after some time away. If you are working on a particularly lengthy project for example you may spend your working day on it and then want to be able to jump right in where you left off when you come back.
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Re: Error Message: Please reboot to maintain internal memory

Unread post by sneak-thief » Tue Jun 11, 2019 9:38 pm

This warning message is actually documented on page 64 of the MODX owner's manual.

Nothing to panic about.

I wonder if this has anything to do with maintaining Montage/MODX's MontaVista Linux installation which doesn't have a proper shutdown routine. This might be necessary to prevent file corruption when powering off this way. I also wonder if they have a really big capacitor which can power the system for just long enough to finish off any in-progress disk-writes.

And who knows what kind of workarounds are needed to deal with memory leaks, garbage collection, growing virtual memory size (VSZ), etc.
Last edited by sneak-thief on Wed Jun 12, 2019 10:06 am, edited 1 time in total.
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Re: Error Message: Please reboot to maintain internal memory

Unread post by Derek » Tue Jun 11, 2019 10:09 pm

Saul wrote:
Tue Jun 11, 2019 2:06 pm
Perhaps Yamaha just didn't allow for the fact that someone would leave their MODX permanently switched on. It has a auto power off feature set by default, I can't remember how long the timer on that is set for?

I can though envisage a situation where someone will have everything set up and working and want it all in the same state as they left it when they come back after some time away. If you are working on a particularly lengthy project for example you may spend your working day on it and then want to be able to jump right in where you left off when you come back.
First thing I do is turn those frustrating auto power offs off (another wretched EU compliance requirement). I do not want to set up for a gig (which can be hours before you play, you then have to leave the stage and then come on and play immediately) to find everything has turned off due to power save. Manufacturers know this, but have to comply with the absurd rules. So of course they give you The option to turn it off.

I know people who used to run EX5s 24/7 because they only had RAM memory for their samples, and with the SCSI load times being painfully slow, they would leave the boards running all the time to avoid the sample load times. But the MODX does not have that issue with the samples being in FLASH
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Re: Error Message: Please reboot to maintain internal memory

Unread post by sneak-thief » Wed Jun 12, 2019 7:16 pm

FWIW When Montage/MODX are set to power off automatically, they won't do so if you've edited the current patch and haven't yet saved it.
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Re: Error Message: Please reboot to maintain internal memory

Unread post by Derek » Wed Jun 12, 2019 7:54 pm

Worth knowing, but I have disabled power off completely on both the Montage and Kronos.
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Re: Error Message: Please reboot to maintain internal memory

Unread post by Saul » Wed Jun 12, 2019 10:25 pm

sneak-thief wrote:
Wed Jun 12, 2019 7:16 pm
FWIW When Montage/MODX are set to power off automatically, they won't do so if you've edited the current patch and haven't yet saved it.
That's an interesting little failsafe I was unaware of. Thanks for that ((i))
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