netdev - Re: Keystone 2 boards boot failure

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Date:	Tue, 2 Feb 2016 15:01:33 -0600
From:	"Franklin S Cooper Jr." <fcooper@...com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	<m-karicheri2@...com>, <netdev@...r.kernel.org>, <w-kwok2@...com>,
	<davem@...emloft.net>
Subject: Re: Keystone 2 boards boot failure



On 02/02/2016 02:41 PM, Arnd Bergmann wrote:
> On Tuesday 02 February 2016 10:50:41 Franklin S Cooper Jr. wrote:
>> Latest mainline is currently failing to boot for Keystone 2
>> Hawking but I'm assuming its true for other Keystone 2
>> boards. Bisect shows that this issue popped up after the
>> patch "netcp: try to reduce type confusion in descriptors"
>> (commit 89907779) was introduced. There was another patch
>> "netcp: fix regression in receive processing" that seems to
>> fix some bugs that the prior patch introduced however it
>> still did not resolve the boot failure and was documented as
>> not being tested.
>>
>> Should we revert these commits or does anyone have any
>> suggestions on how to fix these failures? I would be more
>> than happy to test any fix.
>>
> Have you tried to see if a revert fixes the problem on a
> current kernel?

Yes. Here is a boot log on the latest master with the below
three patches reverted.
http://pastebin.com/W7RWSHpE (Working)

I reverted these three patches. The two latest patches seem
to be trying to correct/expand upon the last patch on this list.

commit 958d104e3d40eef5148c402887138f6594ff7e1e
netcp: fix regression in receive processing

commit 9dd2d6c5c9755b160fe0111bcdad9491676feea8
netcp: add more __le32 annotations

commit 899077791403ff7a2d8cfaa87bd1a82d729463e2
netcp: try to reduce type confusion in descriptors



>
> 	Arnd