netdev - Re: [PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement

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Message-ID: <CAAObsKD9HoEbtV_JMz_R=bcrQseDmhncRAWP9k8djksL-LMQqw@mail.gmail.com>
Date:	Wed, 9 Mar 2016 09:35:13 +0100
From:	Tomeu Vizoso <tomeu@...euvizoso.net>
To:	Dinh Nguyen <dinh.linux@...il.com>
Cc:	Giuseppe CAVALLARO <peppe.cavallaro@...com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Heiko Stübner <heiko@...ech.de>,
	netdev@...r.kernel.org,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>,
	Fabrice GASNIER <fabrice.gasnier@...com>,
	Andreas Färber <afaerber@...e.de>,
	Gabriel Fernandez <gabriel.fernandez@...aro.org>,
	Alexandre TORGUE <alexandre.torgue@...com>
Subject: Re: [PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement

On 8 March 2016 at 16:45, Dinh Nguyen <dinh.linux@...il.com> wrote:
> On Tue, Mar 8, 2016 at 1:24 AM, Giuseppe CAVALLARO
> <peppe.cavallaro@...com> wrote:
>> Hi Dinh,
>>
>> On 3/8/2016 12:22 AM, Dinh Nguyen wrote:
>> [snip]
>>>
>>>
>>> I'm seeing the same issue on the SoCFPGA platform:
>>>
>>> libphy: PHY stmmac-0:ffffffff not found
>>> eth0: Could not attach to PHY
>>> stmmac_open: Cannot attach to PHY (error: -19)
>>>
>>> If I just revert:
>>>
>>>   "stmmac: Fix 'eth0: No PHY found' regression"
>>>
>>> then the issue goes away.
>>
>>
>> do you have this patch "stmmac: first frame prep at the end of xmit routine"
>> ? Or you just reverted
>>   "stmmac: Fix 'eth0: No PHY found' regression"
>
> I only reverted "stmmac: Fix 'eth0: No PHY found' regression". I do have the
> patch "stmmac: first frame prep at the end of the xmit routine", but I did not
> need to revert that patch.

Hi,

in order to get the onboard network on the Radxa Rock2 to work at all
on today's linux-next, I had to revert both commits:

* "stmmac: Fix 'eth0: No PHY found' regression" for the drivers to
probe and the link to come up, and

* "stmmac: first frame prep at the end of the xmit routine" for the
network interface to work at all.

But a few seconds into the nfsroot boot I start getting:

[    9.136701] systemd[1]: Started Load Kernel Modules.
[   18.116321] nfs: server 10.42.0.1 not responding, still trying
[   18.516224] ------------[ cut here ]------------
[   18.521024] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:303
dev_watchdog+0x284/0x288
[   18.529456] NETDEV WATCHDOG: eth0 (rk_gmac-dwmac): transmit queue 0 timed out

I'm attaching the full boot log.

Regards,

Tomeu

View attachment "rock2.log" of type "text/x-log" (37321 bytes)