On 06/30/2014 07:30 AM, Fredrik Noring wrote: >> >> 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.
> 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! > Did you narrow it down to a particular GCC bug? The symptoms you reported remind me of: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 Sadly, unpatched GCC 4.8.1 and 4.8.2 are unsuitable for building ARM kernels. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/