Update...
I did 2 tests :
1) booted with option acpi=off
It booted correctly, i managed to get some load on one of the card and after a while (10 minutes i guess) the Timeout occurs. Side effect, at the same moment the sata contolers lost control of the disks somehow and the raid 5 array on the system crashed hard. I have no traces as i was unable to rebuild it (and i tried a lot of extreme voodoo methods).
2) changed the 3com cards
i replaced by two cards,
01:06.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 42)
01:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
reinstalled and stressed the network (small download from a laptop) and :
Jun 29 09:34:10 loki kernel: NETDEV WATCHDOG: eth0: transmit timed out
Jun 29 09:34:51 loki last message repeated 14 times
Jun 29 09:35:18 loki last message repeated 8 times
so it seems to be a more generic problem.
(i'v updated the fedora bugzilla aswell)
did not test the "[PATCH] 8139cp dev->tx_timeout" yet.
JB
> On Tue, Jun 26, 2007 at 04:24:07PM +0200, Jean-Baptiste Vignaud wrote:
> > Hello, i have a very similar problem with 2.6.21 also;
> >
> > 2 3com NICs and they are failling randomly.
> >
> > The kernel is a basic fedora 7 kernel (2.6.21-1.3228.fc7)
> > I found a bug report and added details here : https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=243960
> >
> > I'm not subcribed on this list, so please cc me if there is any questions.
> >
> > JB
> >
> > > On Tue, Jun 26, 2007 at 08:10:17AM +0200, Marcin Ślusarz wrote:
> > > ...
> > > > I reproduced it on minimal config:
> ...
> > > We know your hardware should be OK - since it was fine with 2.6.20.
> ...
>
> It looks like there is something common in the air...
>
> Marcin: ne2k_pci with 8390, Jean: 3com, and now I see
> similar problem with 8139cp too (plus some ideas):
>
> http://marc.info/?l=linux-netdev&m=118293314109648&w=2
>
> So, you probably should wait a little & look for new patches here.
>
> Cheers,
> Jarek P.
>
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