From mboxrd@z Thu Jan 1 00:00:00 1970 References: <6aedc4bc-74b5-4a9f-5c38-036a3d7850b9@siemens.com> From: Philippe Gerum Message-ID: <03b3c307-07bd-58d1-d555-19449186fca6@xenomai.org> Date: Tue, 20 Mar 2018 16:05:07 +0100 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] 4.9 for x86 issue List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: Xenomai On 03/10/2018 11:06 PM, Jan Kiszka wrote: > On 2018-03-09 08:51, Jan Kiszka wrote: >> 4.9 requires more work, I've pushed the beginning to wip/4.9 in the same >> repo. > > I started to patch further on this during my flight (wip/4.9 updated), > noticed that the 4.14-wip queue will need a little bit sysentry tweaking > as well (missing 64-bit syscall dispatching), and then had to find 4.9 > in a rather unfortunate state /wrt x86-64: CPUs are no longer idling > properly. I went back to ipipe-core-4.9.24-x86-2, without a difference. > > If you should look into 4.9-x86 as you indicated, please check this. > > Another catch along that road: maxcpus=1 with >1 CPUs available triggers > a NULL pointer when Xenomai gets armed. That is the case with 4.4 as well. > Can't reproduce this one (over kvm), 4.4 and 4.9 included, so this may be depending on the Kconfig. -- Philippe.