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SubjectRe: Revert "gro: Fix legacy path napi_complete crash", (was: Re: Linux 2.6.29)

* Ingo Molnar <mingo@elte.hu> wrote:

> * Herbert Xu <herbert@gondor.apana.org.au> wrote:
>
> > On Tue, Mar 24, 2009 at 04:47:17PM +0100, Ingo Molnar wrote:
> > >
> > > test failure on one of the boxes, interface got stuck after ~100K
> > > packets:
> > >
> > > eth1 Link encap:Ethernet HWaddr 00:13:D4:DC:41:12
> > > inet addr:10.0.1.13 Bcast:10.0.1.255 Mask:255.255.255.0
> > > inet6 addr: fe80::213:d4ff:fedc:4112/64 Scope:Link
> > > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > > RX packets:22555 errors:0 dropped:0 overruns:0 frame:0
> > > TX packets:1897 errors:0 dropped:0 overruns:0 carrier:0
> > > collisions:0 txqueuelen:1000
> > > RX bytes:2435071 (2.3 MiB) TX bytes:503790 (491.9 KiB)
> > > Interrupt:11 Base address:0x4000
> >
> > What's the NIC and config on this one? If it's still using the
> > legacy/netif_rx path, where GRO is off by default, this patch
> > should make it exactly the same as with my original patch
> > reverted.
>
> Same forcedeth box i reported before. Config below. (note: if you
> want to use it you need to run it through 'make oldconfig', with
> all defaults accepted)

Hm, i justhad a test failure (hung interface) with this too.

I'll go back to the original straight revert of "303c6a0: gro: Fix
legacy path napi_complete crash", and will test it overnight - to
establish a baseline of stability again. (to make sure there are no
other bugs interacting)

Ingo


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