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Date:      Thu, 30 Jul 2015 12:14:44 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        Svatopluk Kraus <onwahe@gmail.com>
Cc:        John-Mark Gurney <jmg@funkthat.com>,  "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: [RPI-B] [HEADS UP] DWC OTG TX path optimisation for 11-current
Message-ID:  <55B9F914.7030403@selasky.org>
In-Reply-To: <CAFHCsPXmQCKt-5xWa6XwECqFO5oz4mT9m1mPu0dKmmQ%2BG9yUAA@mail.gmail.com>
References:  <55A7D8CE.4020809@selasky.org>	<CAHNYxxMp9jGDbV-5=-cE6daR-O3eN5pdvO1s-=QfX=A9XYqYmA@mail.gmail.com>	<55B23276.8090703@selasky.org>	<CAHNYxxNc9uB62hHEv1PM9PcsGgUs=zsvNgatqLD0p%2BiiDA3Aiw@mail.gmail.com>	<55B73113.2020308@selasky.org>	<CAFHCsPVaPZpqXLS7OApa=Xz5VLnLjVpV5dYV8Pn2uHh1Lcz7Tg@mail.gmail.com>	<55B8AB76.7030603@selasky.org>	<CAFHCsPUMaYEwJsaGUFuw9yZi_5bmraSBsOYpRWvSeuebpXBJUA@mail.gmail.com>	<55B8B297.1010008@selasky.org>	<CAFHCsPVGLs8j6LAV%2Bg4rP_ueTOd8pUOupYFGvmgC3XGcJC720Q@mail.gmail.com>	<20150729154516.GH78154@funkthat.com>	<55B8F5EC.2050908@selasky.org> <CAFHCsPXmQCKt-5xWa6XwECqFO5oz4mT9m1mPu0dKmmQ%2BG9yUAA@mail.gmail.com>

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On 07/30/15 11:46, Svatopluk Kraus wrote:
> On Wed, Jul 29, 2015 at 5:49 PM, Hans Petter Selasky <hps@selasky.org> wrote:
>> On 07/29/15 17:45, John-Mark Gurney wrote:
>>>
>>> Just for your information, when I start buildworld, the system
>>>>
>>>> responds very fast (console, ssh). After about one hour, it starts to
>>>> print the following warnings:
>>
>>
>> Did this happen before r285935 aswell or only after this revision?
>
>
> Yes, it did. I can't say from which revision it's happening. I try to
> keep kernel updated with each change related to this problem, as I
> hope that it helps. But the problem is still present.
>

Can you try the patch I provided?

> However, the kernels were built without INVARIANTS. Yesterday, I
> prepared some debug patch which needed INVARIANTS anf KTR options and
> the problem did not happen. The buildworld finished in about 15 hours
> (taken from uptime) so it was about 2 hours faster then with kernel
> before r285935.
>

--HPS




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