Hi Sergei,
On Fri, 20 Nov 2015 02:53:39 +0900,
Sergei Shtylyov wrote:
>
>Shoji-san, can I push this patch to net.git? I doubt that it has
> ill effects in itself -- the reason of the slowdown you're seeing
> should be somewhere else...
Sure. I've tested and the null access problem is gone f
Hello.
On 10/27/2015 01:52 AM, Yasushi SHOJI wrote:
In a low memory situation the following kernel oops occurs:
Unable to handle kernel NULL pointer dereference at virtual address 0050
pgd = 8490c000
[0050] *pgd=4651e831, *pte=, *ppte=
Internal error: Oops: 17 [#1] PREE
From: Sergei Shtylyov
Date: Sun, 25 Oct 2015 01:42:33 +0300
> In a low memory situation the following kernel oops occurs:
...
> This is because netdev_alloc_skb() fails and 'mdp->rx_skbuff[entry]' is left
> NULL but sh_eth_rx() later uses it without checking. Add such check...
>
> Reported-by:
Hi Sergei,
Thank you for your patch!
On Sun, 25 Oct 2015 07:42:33 +0900,
Sergei Shtylyov wrote:
>
> In a low memory situation the following kernel oops occurs:
>
> Unable to handle kernel NULL pointer dereference at virtual address 0050
> pgd = 8490c000
> [0050] *pgd=4651e831, *pte=
In a low memory situation the following kernel oops occurs:
Unable to handle kernel NULL pointer dereference at virtual address 0050
pgd = 8490c000
[0050] *pgd=4651e831, *pte=, *ppte=
Internal error: Oops: 17 [#1] PREEMPT ARM
Modules linked in:
CPU: 0Not tainted (3.4-a
