[LEDE-DEV] ar71xx v4.4 testing

[John Crispin]

On 14/05/2016 15:31, Hannu Nyman wrote:
> On 14.5.2016 14:03, Felix Fietkau wrote:
>> On 2016-05-14 12:56, Hannu Nyman wrote:
>>> On 14.5.2016 11:54, John Crispin wrote:
>>>> i pushed a tiny patch to fix a regression which i believe was the root
>>>> cause for v4.4 not working for most folks. if anyone has time to test
>>>> please do so.
>>> Sorry but no beef. I still end up in a reboot loop with my WNDR3800.
>>> I applied your two 4.4. patches manually to my sources.
>>>
>>> As far as I could see from the LEDs, the router reboots before the
>>> failsafe
>>> entrance point is reached. Behaviour looks similar as before your
>>> patches. (I
>>> have been compiling and trying 4.4 monthly ever since nbd introduced 4.4
>>> support for ar71xx initially and so far every attempt has been a
>>> reboot loop.)
>> Please send a boot log, I'll look into it as well.
>>
>> - Felix
> 
> 
> Here you are. I attached a serial cable to my WNDR3800 and tested both
> lede r222 kernel 4.1 build and the new kernel 4.4 build r231 + John's
> patches.
> 
> The 4.4 build reboots almost immediately after entering the preinit
> phase, right after this line:
>    random: procd urandom read with 12 bits of entropy available
> 
> Otherwise, in addition to a line about devicetree, I do not notice any
> significant difference in boot message shown to the serial console.
> I will send the complete bootlogs to Felix and John off-list.
> 
> ----------
> 
> kernel 4.4 lede r231:
> 
> [    6.829835] hub 2-0:1.0: USB hub found
> [    6.833837] hub 2-0:1.0: 2 ports detected
> [    6.841699] usbcore: registered new interface driver usb-storage
> [    6.849523] init: - preinit -
> [    7.420202] eth0: link up (1000Mbps/Full duplex)
> [    7.441226] random: procd urandom read with 12 bits of entropy available
> þþ
> 
> U-Boot 1.1.4 (May 27 2011 - 14:58:01)
> 
> DNI HW ID: 29763654 flash 16MB RAM 128MB (ar7100) U-boot dni25 V0.1
> -------------
> 
> kernel 4.1 lede r222:
> 
> [    6.789554] hub 2-0:1.0: USB hub found
> [    6.793555] hub 2-0:1.0: 2 ports detected
> [    6.801445] usbcore: registered new interface driver usb-storage
> [    6.809542] init: - preinit -
> [    7.381367] eth0: link up (1000Mbps/Full duplex)
> [    7.402792] random: procd urandom read with 12 bits of entropy available
> Press the [f] key and hit [enter] to enter failsafe mode
> Press the [1], [2], [3] or [4] key and hit [enter] to select the debug
> level
> [   13.617654] mount_root: Could not open mtd device: /dev/mtd4
> [   13.623365] mount_root: reading rootfs failed
> [   13.631594] mount_root: loading kmods from internal overlay
> 

i'll try to reproduce this on my 3700

thanks for testing