netdev - Re: 3.9 merge window kernels

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Message-ID: <512C698E.7070306@iki.fi>
Date:	Tue, 26 Feb 2013 09:51:42 +0200
From:	Antti Palosaari <crope@....fi>
To:	poma <pomidorabelisima@...il.com>
CC:	Josh Boyer <jwboyer@...hat.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	kernel@...ts.fedoraproject.org, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Stephen Hemminger <shemminger@...tta.com>,
	Stephen Hemminger <shemminger@...l.org>
Subject: Re: 3.9 merge window kernels

On 02/26/2013 04:18 AM, poma wrote:
> On 02/26/13 02:12, Josh Boyer wrote:
>> On Tue, Feb 26, 2013 at 01:05:05AM +0100, poma wrote:
>>> On 02/25/13 01:22, Antti Palosaari wrote:
>>> […]
>>>>>> Poma, you should probably just start filing bugs for things you hit.
>>>>>> In this case, the skge backtrace is just a warning but it can be fixed
>>>>>> up relatively easily.
>>>>>>
>>>>>
>>>>> https://bugzilla.redhat.com/show_bug.cgi?id=914994
>>>>> Josh, Mauro thanks for the overview. :)
>>>>> Antti, cheers. ;)
>>>>>
>>>>> poma
>>>>
>>>> I cannot see these warnings at all. What is Kernel option to enable
>>>> those debug(?) warnings? From which menu it could be located when make
>>>> menuconfig ?
>>>>
>>>
>>> http://kojipkgs.fedoraproject.org/packages/kernel/3.9.0/0.rc0.git7.1.fc19/data/logs/x86_64/build.log
>>> Even after reapplying Stephen's "skge: check for PCI dma mapping
>>> errors"[1] from David's 'net-next' tree, no luck.
>>> …
>>> WARNING: at lib/dma-debug.c:933 check_unmap+0x47b/0x960()
>>> skge 0000:01:09.0: DMA-API: device driver failed to check map
>>> error[device address=0x000000010287094a] [size=90 bytes] [mapped as single]
>>> …
>>
>> I'm confused.  You pointed to the build I did this morning, which
>> definitely doesn't include the commit you mentioned.  Are you saying you
>> took this morning's build and applied the patch yourself?  If so, did it
>> really get applied?  Do you have logs?  Do you have more than just that
>> tiny snippet of error message?
>>
>
> build.log is for Antti's eyes only. :)
> Logs are virtually the same, with or without that *old* commit, which is
> actually replaced by this one[1].
> So of course it isn't in 3.9.0-0.rc0.git7.1.fc19.x86_64. ;)
> Building particular module groups(skge & Co.) rather than build an
> entire kernel tree isn't big deal, likewise.
> You know that better than me. ;)
> The real question is whether someone will help squeeze this bug.

I want just know if I could reproduce that AF9015 error message or was 
it just warning. Is it something I have to fix for Kernel 3.10 or 
earlier. I am running Fedora 17 AMD64 and could surely compile any 
Kernel needed.

regards
Antti

-- 
http://palosaari.fi/
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