Re: KERNEL: assertion (!sk->sk_forward_alloc) failed at net/...

From: David S. Miller
Date: Wed Mar 29 2006 - 02:40:02 EST


From: Mark Nipper <nipsy@xxxxxxxxxxxx>
Date: Wed, 29 Mar 2006 00:08:16 -0600

> Sorry, I forgot a subject last time. Maybe this will get
> a response instead.
>
> I'm seeing these in my logcheck output:
> ---
> Mar 27 16:16:45 king kernel: KERNEL: assertion (!sk->sk_forward_alloc) failed at net/core/stream.c (283)
> Mar 27 16:16:45 king kernel: KERNEL: assertion (!sk->sk_forward_alloc) failed at net/ipv4/af_inet.c (150)
> ---
>
> I also saw this with 2.6.14.5. I found references on LKML about
> this happening in 2.6.9 with regards to TSO and lowering
> tcp_tso_win_divisor. I'm not lowering any values via sysctl
> (that I'm aware of anyway), so I'm not sure if I should worry
> about this.
>
> Just a heads up in case this is a real problem.

It's being discussed at the proper place, netdev@xxxxxxxxxxxxxxxx

You have an e1000 card right? A temporary workaround is to disable
TSO on that interface.
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