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fixup exception + 5 Readynas 516
Can anyone help could not access my readynas 516 and there was the message fixup exeption + 5 on the front door screen
could not access the unit from a browser at all it would not power down on the fourth push of the on button so pushed
and held pushed unit shut down i then rebooted and all was back to normal i have looked everywhere to find out what the fixup
message means but could not find anything
One small pointer was towards permissions so i reset those any help clarifying this onscreen message wouild be appreciated
pgjscottieuk wrote:
It often pays to be on the cautious side even with a back up 20TB is a lot of syncing
True - which is why I mentioned it. Though the odds of something going wrong in a migration from RN516->RN526 are pretty small.
But if you have a spare disk handy, it doesn't take long to upgrade the firmware in the RN526 flash first.
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Hi pgjscottieuk, this seems to be related to memory page faults and how the linux kernel is handling them. In a nutshell, try testing the RAM to see, whether it might be faulty hardwarewise.
Here is is a link to an article describing in detail how the linux kernel is dealing with page faults and involves fixup exceptions related to this. Once you opened the following link search for "fixup" on the webpage to see it in context.
Kind regards
https://www.halolinux.us/kernel-architecture/handling-of-page-faults.html
Hi thank you for reply i need to look into how i do that but since then i have had two more messages
After the first i could not shut down the nas it could not be accessed by browser or RaiDar would not shut down from 4 pushes of the on buttonhad to force shutdown by pressing on button and holding until nas shut down
could not access nas from WOL function had to press start button nas booted up as normal then after about 45mins it went offline again showing another fault on the door panel as follows, pgtable_bad + 35
Again could not access the nas anyway so had to force shut down holding the on button
Tried once more same thing after about 45 mins nas went off line displaying another message as follows
sched_rt_period_timer + 1FS
Perhaps all of these mean somthing to someone Nas is in warranty until 17 Feb 2020
Hi pgjscottieuk, the error "pgtable_bad + 35" also points into the direction of problems with memory to my understanding.
You could start a memory test from the boot menu. Please see info behind the link below. Kind regards
https://kb.netgear.com/23005/How-do-I-access-the-boot-menu-on-my-ReadyNAS-316-516-716
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