RE: [PATCH net v5 1/4] net: ethernet: oa_tc6: Interrupt is active low, level triggered.

[Selvamani Rajagopal]

> 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.

> 
> [ 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]