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Re: Keystone Issue
- To: CodeWiz2280 <codewiz2280@xxxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Fri, 5 Jun 2020 12:47:46 +0000
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- Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, nd <nd@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>
- Delivery-date: Fri, 05 Jun 2020 12:48:00 +0000
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- Thread-topic: Keystone Issue
> On 5 Jun 2020, at 13:42, CodeWiz2280 <codewiz2280@xxxxxxxxx> wrote:
>
> On Fri, Jun 5, 2020 at 8:30 AM Julien Grall <julien@xxxxxxx> wrote:
>>
>> Hi,
>>
>> On 05/06/2020 13:25, CodeWiz2280 wrote:
>>> The Keystone uses the netcp driver, which has interrupts from 40-79
>>> listed in the device tree (arch/arm/boot/keystone-k2e-netcp.dtsi).
>>> I'm using the same device tree between my non-xen standalone kernel
>>> and my dom0 kernel booted by xen. In the standalone (non-xen) kernel
>>> the ethernet works fine, but I don't see any of its interrupts in the
>>> output of /proc/iomem. I'm not seeing them in /proc/iomem when
>>> running dom0 under Xen either. When booting with Xen I get this
>>> behavior where the ifconfig output shows 1 RX message and 1 TX
>>> message, and then nothing else.
>>
>> I am not sure whether this is a typo in the e-mail. /proc/iomem is
>> listing the list of the MMIO regions. You want to use /proc/interrupts.
>>
>> Can you confirm which path you are dumping?
> Yes, that was a typo. Sorry about that. I meant that I am dumping
> /proc/interrupts and do not
> see them under the non-xen kernel or xen booted dom0.
Could you post both /proc/interrupts content ?
Cheers
Bertrand
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