[LEDE-DEV] ar7 (TI AR7): update to kernel 4.4, please test

[Mohammed Berdai]

On 09/20/2016 10:47 PM, Hauke Mehrtens wrote:
> On 09/20/2016 10:57 PM, Mohammed Berdai wrote:
>> On 09/18/2016 04:18 PM, Hauke Mehrtens wrote:
>>> Hi,
>>>
>>> I updated the ar7 target to kernel 4.4 in this branch:
>>> https://git.lede-project.org/?p=lede/hauke/staging.git;a=shortlog;h=refs/heads/kernel-4.4
>>>
>>> If you have any device supported by this target please test it and
>>> report back if the ar7 target is still working with kernel 4.4 like
>>> with the old kernel or if you see new problems. Please report back if it
>>> worked and if it does not work. I only compile tested this because I do
>>> not have this hardware.
>>>
>>> Having the target at kennel 4.4 is a requirement to get it into the next
>>> release.
>>>
>>> Hauke
>>>
>>> _______________________________________________
>>> Lede-dev mailing list
>>> Lede-dev at lists.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/lede-dev
>>>
>>
>> Hi,
>>
>> I tested your git rep before kernel 4.4 commit and after it.
>>
>> I have Dlink DSL-624 and DSL-524. They have identical hardware. The former has a Wifi card.
>>
>> I have already tested John's (blogic)) repo when he tried to port AR7 to 4.4 and reported back.
>>
>> These are the results:
>>
>> before 4.4 commit (kernel 3.18.29):
>>  * Ethernet ports work (ping works)
>>  * via UART, boot msgs appear almost normal except two/three lines
>>  * also via UART, greeting msg and results of commands appear scrambled however,
>>    late msgs from boot like   random: nonblocking pool is initialized  still appear normal
>>
>>
>> after 4.4 commit:
>>  * no response from pinging at 192.168.1.1. In some rare cases I get only one response during early boot.
>>  * large portion of boot msgs get omitted after 10 seconds
>>  * no results are shown when issuing commands via UART.
>>
>>
>> These issues happened exactly the same as John's attempt to port 4.4 two months ago
> Hi Mohammed,
> 
> Thank you for the information. Have you every tried kernel 4.1 in LEDE?
> To know if kernel 4.1 also has these problems would help to narrow the
> problems down.
> 
> Hauke
> 

Hi,

No, I didn't try 4.1.

I tried different serial speeds with different terminals (minicom/picocom/putty/cutecom). For 3.18.29 entering Fail-safe lines appear scrambled the remaining output lines appear normal.

Dlink DSL-524 and DSL-624 both have only 16MB of ram.


Mohammed,