[dpdk-dev] Testpmd returns error.
Bruce Richardson
bruce.richardson at intel.com
Sun Feb 22 21:31:55 CET 2015
On Sun, Feb 22, 2015 at 06:51:58PM +0000, Richardson, Bruce wrote:
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> On 22 Feb 2015, at 16:19, David Marchand <david.marchand at 6wind.com<mailto:david.marchand at 6wind.com>> wrote:
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> Hello,
>
> On Sun, Feb 22, 2015 at 3:17 PM, Thomas Monjalon <thomas.monjalon at 6wind.com<mailto:thomas.monjalon at 6wind.com>> wrote:
> Hi Tetsuya,
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> > Someone, could you please check it?
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> It is possible that this patchset was not correctly tested.
> We might revert it or try to fix it.
> I think the decision should be done by its authors (Danny, Bruce),
> or the Linux EAL maintainer (David).
>
> Well, I need to have a deeper look at this change.
> I did not find time before my holidays.
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> - I think there may be an issue with the use of resource0 instead of /dev/uio.
> I am not sure uio mmap will be happy or I overlooked something trivial.
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> - Testing proc type in pci_uio_map_resource() looks wrong to me, since we validated earlier in this same function that we are in primary process.
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> - uio_res->maps indexes are not the same as the pci resources, might trigger problems (and it clearly does not make it easy to read ...).
> And now we are reading sysfs twice.
> I would prefer this code is reworked so that we avoid those loops in eal_pci_uio.c.
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> Anyway, I am still on holiday (I should have kept my laptop away ...), I will be back tomorrow.
> I suppose Bruce or Danny will come with a fix, let's decide what the best solution is at this moment.
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> I'll take another look at this but unfortunately I don't think I can necessarily reproduce this issue as it seems to occur with enic driver, but I will try.
Please ignore above from me, now that I'm able to read my mail on more than a phone
screen, I can actually read things properly... :-)
I'll look into this now, see if it's something simple I can spot to fix.
/Bruce
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> --
> David Marchand
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