RE: Oops: 17 SMP ARM (v3.16-rc2)

From: Fredrik Noring
Date: Mon Jun 30 2014 - 08:44:44 EST


Hi Russell,

It seems to be a compiler issue, where (GCC) 4.8.2 does not produce a properly
working kernel. Happily, (Fedora 2013.11.24-2.fc19) 4.8.1 appears to do a lot
better. No crashes so far with v3.16-rc2!

All the best,
Fredrik

> -----Original Message-----
> Hi Fredrik,
>
> On Fri, Jun 27, 2014 at 04:16:57PM +0000, Fredrik Noring wrote:
> > Please find below a trace that appeared once with 3.16-rc2. Perhaps it
> > is of some interest?
>
> It's not that serious... I know that the FEC ethernet driver is horrendously
> racy (I have had a patch set for about the last six months which fixes some of
> its problems) but as I've had a lot of patches to deal with, and it's been
> pushed to the back of the queue...
>
> The races don't lead to data corruption though, merely timeouts and some
> lost packets.
>
> Now because things have changed during the last merge window, I've got an
> even bigger problem sorting through that patch set and getting it back into a
> submittable state. I've just sent out v2 for it onto the
> netdev@xxxxxxxxxxxxxxx mailing list.
>
> The initial version (marked RFC) attracted very little interest from testers, or
> acks. I'd very much like to have some testing of it, so if you want to try it
> out, I can provide you with a git URL, patches or a combined patch.
>
> --
> FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
> improving, and getting towards what was expected from it.
***************************************************************
Consider the environment before printing this message.

To read Autoliv's Information and Confidentiality Notice, follow this link:
http://www.autoliv.com/disclaimer.html
***************************************************************

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/