From: David Daney <ddaney.cavm@gmail.com>
To: Yang Shi <yang.shi@windriver.com>
Cc: david.daney@cavium.com, linux-mips@linux-mips.org
Subject: Re: Does CN68XX still need DCache prefetch workaround?
Date: Mon, 22 Feb 2016 10:38:13 -0800 [thread overview]
Message-ID: <56CB5595.1090505@gmail.com> (raw)
In-Reply-To: <56CB51CE.6070905@windriver.com>
On 02/22/2016 10:22 AM, Yang Shi wrote:
> I David,
>
> When I booted up 4.5-rc4 kernel on CN68xx board, both pass 1.1 and pass
> 2.2 reports:
>
> Kernel panic - not syncing: OCTEON II DCache prefetch workaround not in
> place (cfa00000).
> Please build kernel with proper options (CONFIG_CAVIUM_CN63XXP1).
>
> According to the description of he option, it should just have impact on
> 63xx pass 1.x. It looks confusing.
>
The name of the Kconfig variable is CAVIUM_CN63XXP1. It turns out that
it is also needed for somethings that are not cn63xxP1. It is a bit
confusing, but as of now we decided not to rename the Kconfig variable.
> Any hint is appreciated?
Enable it and see what happens.
>
> Thanks,
> Yang
>
next prev parent reply other threads:[~2016-02-22 18:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-22 18:22 Does CN68XX still need DCache prefetch workaround? Yang Shi
2016-02-22 18:22 ` Yang Shi
2016-02-22 18:38 ` David Daney [this message]
2016-02-22 18:40 ` Yang Shi
2016-02-22 18:40 ` Yang Shi
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