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All devices soft bricked after power outage #8929
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Have you tried a different browser/device? |
@digiblur Yes, I have tried from three different devices - android phone, iPad and PC. There is no difference that I can see. @ascillato2 Please link the original issue too. I can not find one that this is duplicate of. Maybe there is more information for me on the original issue discussion. |
CAn you acces the 'Reset configuration' menu? Alternatively you could try to reset via teh console using the menu 'reset 2' This will erase all configuration and you start with the firmware defaults again. Lastly you could try press the button for 40s to get the same results. |
I can not access the "Reset configuration" menu. The only part of the UI I can access is the WiFi setup you usually see when you've first flashed Tasmota on a device. And that part of the UI has messed up CSS as you can see from the screenshot above. I have tried resetting the devices by keeping their button depressed for 40 seconds but that does not make any difference as well. The devices remain in the same state - their AP is up and running but once I connect, I am unable to configure their WiFi. |
I have seen a similar very rare event where the CFG got messed up due to whatever event. In this case you're a bit in trouble. Anyhow the reset 1 or reset 2 is also available as a REST message you can send to your device. for example: http://192.168.178.127/rt?non= just replace the IP-Address |
Can we use the flash area reserved for update to backup configuration and create some sort of sanity check/ journaling? |
Unfortunately this does not seem to work. I tried connecting to the devices AP's and sending http://192.168.4.1/rt?non= |
Sorry, seems that your device has a problem in its memory. A full erase may solve your problem but if the root of the issue was a hardware memory failure, it can happen again. It would be good to use that device in something not critical.
Agree. You should erase all flash and flash by serial in order to try recovering your device. |
@ascillato2 I do not believe it very likely that all 6 of those devices experienced a hardware memory failure. I'm not so much worried about a solution on how to fix the devices at this time, but more about if it could happen again. If all devices in my house can get reset like that, even if it is once in a blue moon kind of thing, then that means Tasmota is not a firmware that is safe to be used in anything that is remotely critical. |
Just for the sake of completion, I'm in the process of re flashing the faulty devices and it occurred to me that I can grab the web UI source. Maybe it reveals something to those who know what to look for. |
It confirmes corrupt settings as it was about to display it's module name but found all positions set to 0xFF meaning erased data. Once up and running again pls report your |
PROBLEM DESCRIPTION
After a power outage where the powerline experienced low and fluctuating voltage for a prolonged period of time, all Tasmota devices connected to that line were reset to a state where I am unable to get them operational again. They all have set up their AP's but the Web WiFi configuration page is messed up. Also, after entering my WiFi credentials, the devices do not even try to connect to my router. Only solution seems to be to flash all devices again over serial.
REQUESTED INFORMATION
Make sure your have performed every step and checked the applicable boxes before submitting your issue. Thank you!
Backlog Template; Module; GPIO 255
:Backlog Rule1; Rule2; Rule3
:Status 0
:(Please use
weblog 4
for more debug information)TO REPRODUCE
Steps to reproduce the behavior:
EXPECTED BEHAVIOUR
After any sort of power failure or fluctuation, the device retains its configuration and resumes work once stable power has been restored
SCREENSHOTS
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