Re: [PATCH net v5 1/4] net: ethernet: oa_tc6: Interrupt is active low, level triggered.
From: Parthiban.Veerasooran
Date: Thu Jun 18 2026 - 00:26:50 EST
Hi Selvamani,
On 17/06/26 10:24 am, Selvamani Rajagopal wrote:
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>
>> Subject: Re: [PATCH net v5 1/4] net: ethernet: oa_tc6: Interrupt is active low, level
>> triggered.
>>
>>
>> Hi Selvamani,
>>
>> I did a quick test by connecting Mikroe LAN8651 Click to a Raspberry Pi
>> 4 and shared the feedback below. Please let me know if you need any
>> further details.
>
> Parthiban,
>
> Thanks for testing this.
>
> Though the NULL pointer reference after skb_put is a clue, I am working with our team to see we can see this crash in our setup.
> Will keep you updated.
Sure, thank you.
Best regards,
Parthiban V
>
>>
>> [ 8276.691064] eth1: Receive buffer overflow error
>> [ 8281.662600] Unable to handle kernel NULL pointer dereference at
>> virtual address 0000000000000074> drm_panel_orientation_quirks backlight nfnetlink
>> [ 8281.839427] pc : skb_put+0x14/0x80
>> [ 8281.842864] lr : oa_tc6_macphy_threaded_irq+0x428/0x880 [lan865x_t1s]
>