[Xenomai] RTnet fixes - testers needed (Philippe Gerum)
rpm at xenomai.org
Fri Dec 8 15:42:55 CET 2017
On 12/08/2017 03:16 PM, Stéphane Ancelot wrote:
> Do you know which release introduced this problem ?
It never worked.
> Le 08/12/2017 à 12:03, Andreas Glatz a écrit :
>>> I pushed a pile of RTnet fixes in a WIP branch of the official repo
>>> (wip/rtnet-fixes). Most of them address invalid direct references to
>>> user memory from kernel space (instead of properly copying back and
>>> forth via the copy_from/to_user interface), which are badly wrong at any
>>> rate, even breaking the kernel on SMAP-enabled x86 platforms.
>>> Most I/O calls were affected, ioctl, sendmsg and recvmsg. I'm still in
>>> the early process of testing the changes gradually, which involves
>>> running tests for all socket levels (RAW, DGRAM) and protocols (INET,
>>> PACKET) enabled.
>> I think that's exactly what I was seeing when running 4.9 Linux +
>> Xenomai 3 + RTnet on i.MX6.
>>> If you depend on RTnet and want to help with testing, you may want to
>>> give this branch a try. Any help with reviewing the changes would be
>>> beneficial to the project too.
>> I shall try and give it a spin this weekend.
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>> Xenomai at xenomai.org
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