23.05 sysupgrade questions (wndr4300V2)

will try to get them as soon as I free my serial adapter.

Check the host address

solved boot loop issue using this method. I used WInscp for offline install.

@frollic, any rationale for this behaviour? Previously, it was working fine via the GUI method. Not this time.

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Good to know. I'll give a try on the 3700v4 when I can. Thanks for solving.

Updating to 23.05 is still an issue

Your device has had serious problems also earlier, so I wonder if the hardware (especially flash) is ok.

Your earlier survival story:

It might be that there is something wrong, e.g. a bad flash block at a place that strategically causes problems for a firmware/kernel of certain size. E.g. a bad block just where the UBI should start, or somethings similar.
Reference to your log:

[    2.174114] UBI: auto-attach mtd1
[    2.177563] ubi0: attaching mtd1
[    2.264332] UBI: EOF marker found, PEBs from 28 will be erased
[    2.271166] ubi0: scanning is finished
[    2.309952] ubi0 warning: 0x8046a910: error -5 while erasing PEB 991, retry
[    2.317238] ubi0 warning: 0x8046a910: error -5 while erasing PEB 991, retry
[    2.324496] ubi0 warning: 0x8046a910: error -5 while erasing PEB 991, retry
[    2.331727] ubi0 error: 0x8046a934: cannot erase PEB 991, error -5
[    2.338132] CPU: 0 PID: 1 Comm: swapper Not tainted 5.10.138 #0

Any solution to bad block? Custom built? e.g. removing some DNS stuff, bcz I don't use this as a router.

Where are you Guy's getting the upgrade from? https://downloads.openwrt.org/releases/ only goes as far as 22.03.05


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Right. I'm only willing to test from 23.05.0-rc1 so I'll wait. Thanks

A few days ago I compared the 3700v4 to the 4300v2 for the possibility of similar flash issue. I was wrong, the 3700v4 is similar to the 4300v1. Hardware is different in the 4300v2.
I was about to recover a 3700v4 when I checked the hardware specs of all these devices and noticed my error. So the 3700v4 can't help as comparison.

current serial log with Openwrt 22.03 running

Looks like the definition/settings for the system console is initially right, but then gets changed wrongly...

  0.332337] printk: console [ttyS0] disabled
[    0.336904] 18020000.uart: ttyS0 at MMIO 0x18020000 (irq = 9, base_baud = 1562500) is a 16550A

I have never heard about 1.5 Mbit serial connection.,.

setting I used.

Flashed 23.05 via nmrp

Looks suspicious (maybe regarding the network cables etc.)

gist updated.

even though usually it is 1000Mbps

23.05 serial output.
last line, upgrade mode was flashing. @hnyman what does flashing upgrade mode means?


TFTP flashed 23.05

green power led is flashing