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Subject: Re: bluez meshctl error: socket operation on non-socket
From:   Steve Brown <sbrown@ewol.com>
To:     Venkat Vallapaneni <vallapaneni@socoptimum.com>,
        "Gix, Brian" <brian.gix@intel.com>
Cc:     "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>
Date:   Thu, 28 Nov 2019 16:05:14 -0700
In-Reply-To: <f08116d3-4329-06a9-1b35-f8a7e4c8eff5@socoptimum.com>
References: <b260550e-0884-662d-e395-90e7678cb1a7@socoptimum.com>
         <78DAB7EA-B99D-4EDE-804B-7D127203DA1B@intel.com>
         <b332ed76-d5b1-c245-9301-3af578a274e4@socoptimum.com>
         <F3DC25C3-6C29-402B-B935-A4171B336403@intel.com>
         <f08116d3-4329-06a9-1b35-f8a7e4c8eff5@socoptimum.com>
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I've successfully provisioned the zephyr onoff-app with both meshctl
and mesh-cfgclient.

However, when installing meshd, I found that you have to enable
bluetooth-mesh with systemctl or I get this when I issue the "create".

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Reading symbols from mesh-cfgclient...
(gdb) run
Starting program: /usr/bin/mesh-cfgclient 

Warning: config file "/home/ubuntu/.config/meshcfg/config_db.json" not found
[mesh-cfgclient]# create 0100

Program received signal SIGSEGV, Segmentation fault.
l_dbus_proxy_method_call (proxy=0x0, method=0xaaaaaaada7a8 "CreateNetwork", setup=0xaaaaaaab6ba0 <create_net_setup>, reply=0xaaaaaaab69e0 <create_net_reply>, user_data=0x0, destroy=0x0)
    at ell/dbus-client.c:305
305		req->proxy = proxy;
(gdb) bt
#0  l_dbus_proxy_method_call (proxy=0x0, method=0xaaaaaaada7a8 "CreateNetwork", setup=0xaaaaaaab6ba0 <create_net_setup>, reply=0xaaaaaaab69e0 <create_net_reply>, user_data=0x0, destroy=0x0)
    at ell/dbus-client.c:305
#1  0x0000aaaaaaac1c34 in cmd_exec (argv=0xaaaaaab40650, argc=2, entry=0xaaaaaaafdf18 <main_menu+16>) at src/shared/shell.c:441
#2  menu_exec (entry=0xaaaaaaafdf18 <main_menu+16>, argc=argc@entry=2, argv=argv@entry=0xaaaaaab40650) at src/shared/shell.c:468
#3  0x0000aaaaaaac2008 in shell_exec (argc=2, argv=0xaaaaaab40650) at src/shared/shell.c:511
#4  0x0000aaaaaaac312c in rl_handler (input=0xaaaaaab41900 "create 0100") at src/shared/shell.c:713
#5  0x0000ffffbf6809e8 in rl_callback_read_char () from /lib/aarch64-linux-gnu/libreadline.so.8
#6  0x0000aaaaaaac1ecc in input_read (io=<optimized out>, user_data=<optimized out>) at src/shared/shell.c:1256
#7  0x0000aaaaaaac7440 in io_callback (fd=<optimized out>, events=1, user_data=0xaaaaaab40780) at ell/io.c:126
#8  0x0000aaaaaaac83f8 in l_main_iterate (timeout=<optimized out>) at ell/main.c:473
#9  0x0000aaaaaaac84d8 in l_main_run () at ell/main.c:520
#10 l_main_run () at ell/main.c:502
#11 0x0000aaaaaaac86f4 in l_main_run_with_signal (callback=callback@entry=0xaaaaaaac3c20 <l_sig_func>, user_data=user_data@entry=0x0) at ell/main.c:642
#12 0x0000aaaaaaac3cf4 in mainloop_run_with_signal (func=func@entry=0xaaaaaaac2130 <signal_callback>, user_data=user_data@entry=0x0) at src/shared/mainloop-ell.c:87
#13 0x0000aaaaaaac3394 in bt_shell_run () at src/shared/shell.c:1174
#14 0x0000aaaaaaab42d8 in main (argc=<optimized out>, argv=<optimized out>) at tools/mesh-cfgclient.c:1970
(gdb) quit
A debugging session is active.

	Inferior 1 [process 5112] will be killed.
Steve

On Thu, 2019-11-28 at 22:41 +0530, Venkat Vallapaneni wrote:
> Hi Brian,
> I am using latest bluez and ell trees on ubuntu 18.04. Log windows 
> showing segmentation fault if it helps. I ran demon first and then 
> mesh-cfgclient
> 
> vallapaneni@venkat-laptop:~$ sudo ~/tools/bluez/mesh/bluetooth-meshd
> D-Bus ready
> Request name success
> Loading node configuration from /var/lib/bluetooth/mesh
> filter_set id: 1, --> 2b
> filter_set id: 2, --> 29
> filter_set id: 3, --> 2a
> filter_set id: 4, --> 2b
> Controller hci 0 is in use
> 
> vallapaneni@venkat-laptop:~/tools/bluez$ sudo 
> ~/tools/bluez/tools/mesh-cfgclient
> 
> Warning: config file
> "/home/vallapaneni/.config/meshcfg/config_db.json" 
> not found
> [mesh-cfgclient]# create
> Segmentation fault
> vallapaneni@venkat-laptop:~/tools/bluez$
> 
> Rgds,
> Venkat.
> 
> On 28/11/19 9:37 pm, Gix, Brian wrote:
> > Hi Venkat,
> > 
> > > On Nov 28, 2019, at 2:59 AM, Venkat Vallapaneni <
> > > vallapaneni@socoptimum.com> wrote:
> > > 
> > > ﻿Hi Brian,
> > > 
> > > Thanks for the response. Yes, I am using PB-GATT barrier. With
> > > bluetooothd running, I am able to provision my device.
> > Ok... well if this is specifically to play with Zephyr, you can
> > build it to accept PB-ADV based provisioning as well. But i think
> > Zephyrs mesh tip is PN-GATT by default.
> > 
> > > I also tried mesh-cfgclient but unsuccessful. I launched the
> > > shell with mesh-cfgclient (with bluetooth-meshd running) and I
> > > gave create command in the shell. I see segmentation fault. Any
> > > steps I am missing?
> > Are you on the tip of both the BlueZ tree, and the ELL tree? Also,
> > what linux distro are you using?
> > 
> > > Is mesh-cfgclient only for provisioning or also for sending mesh
> > > messages also?
> > mesh-cfgclient not only provisions devices with PB-ADV, but it also
> > is a full featured Config Client. It can send keys, bindings,
> > subscriptions, and publications.
> > 
> > 
> > > Rgds,
> > > 
> > > Venkat.
> > > 
> > > 
> > > > On 28/11/19 4:22 am, Gix, Brian wrote:
> > > > Hi Venkat,
> > > > 
> > > > Are you attempting to provision a device that requires PB-GATT
> > > > provisioning?  If so, the bluetoothd daemon must be up and
> > > > running. However, this tool is old, and will probably be
> > > > deprecated at some point.
> > > > 
> > > > However most Mesh devices should support Advertising based
> > > > provisioning.
> > > > 
> > > > The Mesh daemon (Bluetooth-meshd) and the mesh-cfgclient tool
> > > > (in the tools directory) has been undergoing modification even
> > > > since v5.52, so you will want to checkout the tip.
> > > > 
> > > > ./tools/mesh-cfgclient is the tool most appropriate for mesh
> > > > development today.
> > > > 
> > > > 
> > > > 
> > > > > > On Nov 26, 2019, at 8:16 PM, Venkat Vallapaneni <
> > > > > > vallapaneni@socoptimum.com> wrote:
> > > > > ﻿Hi,
> > > > > 
> > > > > I am trying to use bluez 5.52 for provisioning a bluetooth
> > > > > mesh capable device. When I gave provision <uuid>, I get this
> > > > > below error. Please let me know what I am missing.
> > > > > 
> > > > > I am using ell 0.26 on ubuntu 18.04. I am able to provision
> > > > > successfully with bluez 5.50.
> > > > > 
> > > > > AcquireWrite success: fd 8 MTU 69
> > > > > GATT-TX:     03 00 10
> > > > > *sendmsg: Socket operation on non-socket*[Zephyr]#
> > > > > 
> > > > > Rgds,
> > > > > Venkat.
> > > > > 
> > > > >