Messages in this thread | | | Date | Mon, 30 Jun 2014 08:00:40 -0500 | From | Nathan Lynch <> | Subject | Re: Oops: 17 SMP ARM (v3.16-rc2) |
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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.
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