Don't know if it helps the search at all, but that hasn't happened to me since I moved to 1.21RC4, though I've not been using the machine much in the last few weeks, I must have used it for about 10 prints since update.
It was happening regularly (most times I used the printer) under 1.20
Just moved the the 1.21 Release tonight, I will shout if I see problems again.
Dave
OK, just lost the web interface again…
M552 issued from the PanelDue reports 'Network is enabled, configured IP address: 192.168.0.236, actual IP address: 192.168.0.236'
No response to ping.
No response to M552 S-1
No response to M552 S1
M552 no change in the response. Still no connection to web interface or ping response.
Hooked up a USB connection, fired up minicom... M122 returns the following
=== Diagnostics ===
Used output buffers: 2 of 32 (12 max)
=== Platform ===
RepRapFirmware for Duet Ethernet version 1.20 running on Duet Ethernet 1.0
Board ID: 08DGM-95BNL-MGPSJ-6J1FA-3S06M-91YVW
Static ram used: 11992
Dynamic ram used: 98688
Recycled dynamic ram: 4008
Stack ram used: 3576 current, 8400 maximum
Never used ram: 7984
Last reset 00:22:46 ago, cause: power up
Last software reset at 2018-03-03 12:55, reason: User, spinning module GCodes, available RAM 11880 bytes (slot 0)
Software reset code 0x0003 HFSR 0x00000000, CFSR 0x00000000, ICSR 0x0441f000, BFAR 0xe000ed38, SP 0xffffffff
Error status: 0
Free file entries: 10
SD card 0 detected, interface speed: 20.0MBytes/sec
SD card longest block write time: 0.0ms
MCU temperature: min 45.6, current 45.9, max 46.0
Supply voltage: min 21.9, current 22.0, max 22.1, under voltage events: 0, over voltage events: 0
Driver 0: standstill, SG min/max not available
Driver 1: standstill, SG min/max not available
Driver 2: standstill, SG min/max not available
Driver 3: standstill, SG min/max not available
Driver 4: standstill, SG min/max not available
Date/time: 2018-03-03 21:54:20
Cache data hit count 2450058580
Slowest main loop (seconds): 0.003427; fastest: 0.000050
=== Move ===
MaxReps: 0, StepErrors: 0, FreeDm: 240, MinFreeDm 240, MaxWait: 0ms, Underruns: 0, 0
Scheduled moves: 0, completed moves: 0
Bed compensation in use: none
Bed probe heights: 0.000 0.000 0.000 0.000 0.000
=== Heat ===
Bed heaters = 0 -1 -1 -1, chamberHeaters = -1 -1
Heater 0 is on, I-accum = 0.3
=== GCodes ===
Segments left: 0
Stack records: 1 allocated, 0 in use
Movement lock held by null
http is idle in state(s) 0
telnet is idle in state(s) 0
file is idle in state(s) 0
serial is ready with "M122" in state(s) 0
aux is idle in state(s) 0
daemon is idle in state(s) 0
queue is idle in state(s) 0
autopause is idle in state(s) 0
Code queue is empty.
=== Network ===
State: 5
HTTP sessions: 1 of 8
Responder states: HTTP(0) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0)
ok
```Sent M552
Network is enabled, configured IP address: 192.168.0.236, actual IP address: 192.168.0.236
ok
ok
ok
Network is enabled, configured IP address: 192.168.0.236, actual IP address: 192.168.0.236
ok
(Supply voltage looks odd at 22.0V, but it is deliberate and does not indicate a problem)Will do.
What I did try earlier was to disconnect the lan cable, and reconnect it. The console on the PanelDue updated, showing 'Network running…' and the same, correct ip address.
IP address is configured fixed in config.g as
M540 PBE:EF:DE:AD:FE:EC ; Set MAC address
M552 P192.168.0.236 S1 ; Enable network and set IP address
M553 P255.255.255.0 ; Set netmask
M554 P192.168.0.254 ; Set gateway
and the two printers have different MAC - I just went back to check I'd done that, but they usually aren't powered up at the same time anyway.
I have what sounds like the same issue, but using a Duet Ethernet. (seemingly) Randomly the web interface is lost, but the machine keeps printing, and PanelDue is still able to control operation.
Tried using chrome instead of Firefox with the same result. I cannot get a response to ping either though, which sounds different to the wifi issue above, though maybe due to the different hardware?
I'm almost certain I've seen the same on my Ormerod with original Duet as well.
I will try to do some diagnostics next time it happens.
Firmware Name: RepRapFirmware for Duet Ethernet
Firmware Electronics: Duet Ethernet 1.0
Firmware Version: 1.20 (2017-12-23)
Web Interface Version: 1.20