[OpenWrt-Devel] [PATCH] ath79: switch to kernel 5.4

[Hauke Mehrtens]

On 5/12/20 12:24 PM, Bjørn Mork wrote:
> Hauke Mehrtens <hauke at hauke-m.de> writes:
> 
>> I also get this problem with mainline kernel.
>>
>> See here for some more details:
>> https://bugs.openwrt.org/index.php?do=details&task_id=2928
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94506
> 
> Hello,
> 
> I wondered what the current state of this is?  Reading that GCC bug it
> looks like all the results we've seen are just arbitrary, and either
> triggering a latent bug or not.
> 
> How do we proceed from there?
> 
> FWIW, I just built current master (146e18af568a) with 5.4 kernel using
> GCC 9.3.  And like others have reported, this booted just fine without
> any other tricks.
> 
> But it seems a bit too fragile for any release if it could break any
> time we do a GCC or kernel update...

Hi,

I would prefer if we know the root cause, more code could be compiled
wrong and just silently fail.

I documented my current status in the bugs report, but haven't found the
time to continue. It would be nice if someone could continue of this
problem, there are some suggestions in the GCC bug report.

Hauke

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