linux-kernel - Re: X-Gene: Unhandled fault: synchronous external abort in pci_generic_config

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Message-ID: <570E49AB.1090509@arm.com>
Date:	Wed, 13 Apr 2016 14:29:15 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	Bjorn Helgaas <helgaas@...nel.org>
Cc:	Sudeep Holla <sudeep.holla@....com>,
	Bjorn Helgaas <bhelgaas@...gle.com>, Duc Dang <dhdang@....com>,
	Tanmay Inamdar <tinamdar@....com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: X-Gene: Unhandled fault: synchronous external abort in
 pci_generic_config_read32



On 13/04/16 14:21, Bjorn Helgaas wrote:
> On Wed, Apr 13, 2016 at 10:58:18AM +0100, Sudeep Holla wrote:
>> Hi,
>>
>> (sorry for replying on the old thread, but I found it could be related
>> to the issue
>> I have now)
>>
>> On Tue, Jul 28, 2015 at 10:29 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:

[...]

>>>>
>>>> Our latest U-Boot is 1.15.15, but U-Boot 1.15.12 is already a good
>>>> version to use. Are you running any PCIe traffic test when the error
>>>> happens?
>>>
>>> Nope, the machine was either idle or running a reboot test; no PCIe stress
>>> test or anything.
>>>
>>
>> Was there any conclusion on this ?
>> I am having similar issue[1] on my Juno with sky2 PCIe driver during reboot.
>
> We found that the unhandled faults occurred when using an extender
> card.  After removing the extender card, we didn't see the faults any
> more.
>

Thanks for the response. It's not related then, I saw report referencing
reboot tests and hence linked them together. Sorry for the noise.

-- 
Regards,
Sudeep

>> [1] http://marc.info/?l=linux-netdev&m=146046999701956&w=2