Re: Need help debugging memory corruption

Jarek Poplawski
2008-05-04T14:25:03Z

Jay Cliburn wrote, On 05/03/2008 08:09 PM:
...

> Here is the relevant console output when the bug is hit. I note that
> the apparent corrupting data beginning at address 0xffff81010fcff402 is
> actually a received ethernet frame. (The value 00:17:31:4e:9d:41 is
> the MAC address of the local host, corresponding to the destination
> address of a received frame.)
>
> Can someone with more experience than me please take a look and give me
> some advice or explain what might be happening here? (What may be
> obvious to you is probably not obvious to me.)

I'm definitely with less experience, so I wonder why it can't be
a simple race between atl1_clean_rx_ring() and something (maybe even
pending atl1_intr_rx()) on the other cpu writing skb while kfreeing?

Regards,
Jarek P.