netdev - Re: [PATCH] mlx4: Add support for EEH error recovery

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Message-ID: <CAJZOPZJP9OaZVB03kKGtWvrUUb8B--wUNX9z3MG_MNmKr8U3kQ@mail.gmail.com>
Date:	Tue, 24 Jul 2012 00:26:51 +0300
From:	Or Gerlitz <or.gerlitz@...il.com>
To:	Kleber Sacilotto de Souza <klebers@...ux.vnet.ibm.com>
Cc:	Or Gerlitz <ogerlitz@...lanox.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	jackm@....mellanox.co.il, yevgenyp@...lanox.co.il,
	cascardo@...ux.vnet.ibm.com, brking@...ux.vnet.ibm.com,
	shlomop@...lanox.com
Subject: Re: [PATCH] mlx4: Add support for EEH error recovery

Kleber Sacilotto de Souza <klebers@...ux.vnet.ibm.com> wrote:
>> For powerpc we have an IBM internal user space tool that injects the
>> error on the bus with the aid of the system firmware. The kernel used
>> was built with the option:
>> CONFIG_EEH=y
>> and without the AER options. I will run some more tests with the AER
>> options activated.

> I tested the powerpc error injection with
>
> CONFIG_EEH=y
> CONFIG_PCIEAER=y
> CONFIG_PCIEAER_INJECT=m
>
> and with the aer_inject module loaded and it didn't affect the EEH
> recovery, the adapter recovered as expected.

I wasn't sure to follow what did you mean by "it didn't affect the EEH
recovery", how did you use the aer_inject module, is that through
user-space tool which is available for us?

Or.
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