From mboxrd@z Thu Jan 1 00:00:00 1970 References: <275c60a3-db60-fdb7-7ffc-96988ca50913@alaxarxa.net> <52b92049-fcaa-8d48-8e89-516fc6f0ab21@alaxarxa.net> <6d2aee3e-2ddc-3008-f00e-a350030efcf3@xenomai.org> <607eb8e7-c311-bd26-0bf3-7a92ed97e48e@xenomai.org> <9555c324-187c-63aa-ff8c-56ce8214265d@alaxarxa.net> From: Philippe Gerum Message-ID: <469a8021-9bc8-8c97-db67-6b8d7578686c@xenomai.org> Date: Fri, 24 Nov 2017 13:04:49 +0100 MIME-Version: 1.0 In-Reply-To: <9555c324-187c-63aa-ff8c-56ce8214265d@alaxarxa.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] Testing 3.0.6 (Was Re: Cannot initialize TLSF memory manager) List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Leopold Palomo-Avellaneda , "Xenomai@xenomai.org" On 11/24/2017 01:01 PM, Leopold Palomo-Avellaneda wrote: > On 24/11/17 11:55, Philippe Gerum wrote: >> On 11/24/2017 11:34 AM, Leopold Palomo-Avellaneda wrote: >>> Hi (again) >>> >>> running cross-link I got that: >>> >>>>> with my user >>>>> >>>>> ./cross-link >>>>> mem=0x7f0d630488e0, alloc_size=8192 >>>>> Init memory pool returns 1808 bytes >>>>> Running after ... >>>>> sysregd: >>>>> create_directory_recursive("/var/run/xenomai/leopold.palomo/anon@19479"): >>>>> Permission denied >>> >>> .... >>> >>> >>> the permissions are: >>> $ ls -la /var/run/xenomai/ >>> total 0 >>> drwxr-xr-x 3 root root 60 nov 23 16:03 . >>> drwxr-xr-x 24 root root 860 nov 24 11:12 .. >>> drwxr-xr-x 2 root root 40 nov 24 11:12 root >>> >>> so, IMHO this folder should belongs to xenomai group and permisions g+rw. Right? >> >> There is no such official "Xenomai" group, I mean this is only a >> template in some rule file to illustrate the fact that one could >> actually assign rt privileges to a user group, instead of running apps >> as a sudoer. That could be any group you are willing to mention in the >> xenomai.allowed_group kernel parameter on the kernel command line, or no >> group at all. This is a matter of local installation. > > Ok, the debian package creates it. I have xenomai.allowed_group=113 in the grub. > So, the packaging (installation should solve it). > >>> >>> Changing the permissions manually solved it. It's something about the packaging >>> or the library? >>> >> >> This is not a library issue. > > Ok, mine. Packaging problem. > >>> >>>>> leopold.palomo@bmm3 ~/xenomai/xenomai-3.0.6/system/demo$ sudo ./cross-link >>>>> mem=0x7fc9e73f88e0, alloc_size=8192 >>>>> Init memory pool returns 1808 bytes >>>>> Running after ... >>>>> mem=0x7f2e146318e0, alloc_size=8192 >>>>> Init memory pool returns 1808 bytes >>>>> Running after ... >>>>> main : can't open /dev/rtdm/rtser0 (write), No such file or directory >>> >>>> >>>> Not being able to open rtser0 is yet another kind of problem: the uart >>>> driver is not up and running, so the devices were not created. crosslink >>>> definitely needs such driver. >>> >>> Yes, I don't have rtser0 entry in /dev/rtdm/. Who does create it? >>> >> >> Any RTDM driver from kernel/drivers/serial, depending on your platform. > > Well, I have /dev/rtdm/* entries but not that one. Is this normal? > Do you have any RTDM-based serial driver enabled in Kconfig? -- Philippe.