[Freeswitch-users] mod_gsmopen - deadlock tty
Luiz Fernando Softov
fernando at softov.com.br
Wed Dec 16 15:23:27 MSK 2015
I got the problem of using many modems and losing the sync of tty ports.
1.2.3.4
That problem off ussd and another of sms I found too.
I'm developer, and c programmer,
Maybe we can work together to get best results.
Em quarta-feira, 16 de dezembro de 2015, Shabbir abbasi <
shabbirabbasi92 at gmail.com> escreveu:
> "It's working fine? no calls stuck after you unplug/plug modem?
> "
> Yes it is working fine ;
> i have set gsmopen_serial_sync_period=1 in gsmopen.conf due to this if i
> unplug modem then it is marked as disconnected and hangsup the call
> and after this discovery thread wakes up and try to find device after
> every 30 second if device found then it starts serial monitor thread and
> exits and it is not effects on other modems i have tried many times to
> unplug modem during calls and after calls but they discovered fine here,
>
> On Wed, Dec 16, 2015 at 9:14 AM, Shabbir abbasi <shabbirabbasi92 at gmail.com
> <javascript:_e(%7B%7D,'cvml','shabbirabbasi92 at gmail.com');>> wrote:
>
>> i am still working on it , and i found problums in my work and corrected
>> it like in previus commit i was found that when i sends a ussd commands to
>> a disconnected modem then cli gets hanged due to there was no check
>> whethere modem is disconnected or connected,now i have added a check to
>> check status connected or not,
>>
>> "How many modems are you using?"
>> i am just playing with it with only two modems,i am not a Developer just
>> trying to learn, i am using centos 7 64 bit,
>> my system is not in production , just for experimental,
>> and Discovery function in centos working fine
>>
>>
>> On Tue, Dec 15, 2015 at 9:09 PM, Luiz Fernando Softov <
>> fernando at softov.com.br
>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>> wrote:
>>
>>> My bad, i looked better and see that you have made a discovery function.
>>>
>>> How many modems are you using?
>>> How many calls simultaneous?
>>> It's working fine? no calls stuck after you unplug/plug modem?
>>>
>>> I have found errors in source (master). And have made a lot a tests,
>>> like:
>>> unplug a modem in a middle of call
>>> - try to make a call with a modem that no support voice
>>> - send a sms at the same time you made a call
>>> - receive a call from modem A and route to modem B
>>>
>>> There is more tests that i have made, and made changes to correct it.
>>>
>>> Anyway, since i use xml_curl to grab the attached modems, and some
>>> modems can be removed/dettached or just have failure of power supply i
>>> reload/dettached/remove in according with the system/user interaction.
>>>
>>> And, that find_ttyusb_devices, don't work in FreeBSD, witch is the SO
>>> that i use *i can't user another system, i have made a lot of modifications
>>> in kernel and have a complete custom system based on that called BrbOS,
>>> with kernel encryption, custom drivers and other things.
>>>
>>> I make the control of calls using event_socket, and make custom
>>> routes according with the time, cost, user, configuration, usage,
>>> portability, destination...
>>>
>>> I need the system working that way, receive events when a modem cannot
>>> make calls, and control the modem to reload/attach when i need.
>>> So, because of it i create a daemon that i can control and know when a
>>> modem changes.
>>>
>>> I have found, in freeBSD and debian, a commom problem
>>>
>>> Its like, when i start the system for the first time
>>>
>>> Lets consider this
>>> ModemA (MA) - (ttyU0, ttyU1, ttyU2, ttyU3)
>>> ModemB (MB) - (ttyU4, ttyU5, ttyU6, ttyU7)
>>> ModemC (MC) - (ttyU8, ttyU9, ttyU10)
>>> ModemD (MD) - (ttyU11, ttyU12, ttyU13)
>>>
>>>
>>> MA was unplugged/have power supply problem
>>>
>>> ModemA (MA) -
>>> ModemB (MB) - (ttyU4, ttyU5, ttyU6, ttyU7)
>>> ModemC (MC) - (ttyU8, ttyU9, ttyU10)
>>> ModemD (MD) - (ttyU11, ttyU12, ttyU13)
>>>
>>>
>>> MC was unplugged/have power supply problem
>>>
>>> ModemA (MA) -
>>> ModemB (MB) - (ttyU4, ttyU5, ttyU6, ttyU7)
>>> ModemC (MC) -
>>> ModemD (MD) - (ttyU11, ttyU12, ttyU13)
>>>
>>> MC was plugged/redicovered
>>>
>>> ModemA (MA) -
>>> ModemB (MB) - (ttyU4, ttyU5, ttyU6, ttyU7)
>>> ModemC (MC) - (ttyU0, ttyU1, ttyU2)
>>> ModemD (MD) - (ttyU11, ttyU12, ttyU13)
>>>
>>> MA was plugged/redicovered
>>>
>>> ModemA (MA) - (ttyU3, ttyU8, ttyU9, ttyU10)
>>> ModemB (MB) - (ttyU4, ttyU5, ttyU6, ttyU7)
>>> ModemC (MC) - (ttyU0, ttyU1, ttyU2)
>>> ModemD (MD) - (ttyU11, ttyU12, ttyU13)
>>>
>>> As you see, sometimes the modems don't get the tty sequence 1.2.3.4.
>>> They get the sequence of free tty ports
>>> And, it's just in this test, when i have modems with 4/3 ttys
>>> Sometimes, the modem just RESET, and the tty was not free yet, so the
>>> modem jump a number in sequence
>>>
>>>
>>> MD was unplugged/have power supply problem
>>>
>>> ModemA (MA) - (ttyU3, ttyU8, ttyU9, ttyU10)
>>> ModemB (MB) - (ttyU4, ttyU5, ttyU6, ttyU7)
>>> ModemC (MC) - (ttyU0, ttyU1, ttyU2)
>>> ModemD (MD) -
>>>
>>>
>>> MD was on, but ttyU12 still oppened by FreeSwitch (mod_gsmopen)
>>>
>>> ModemA (MA) - (ttyU3, ttyU8, ttyU9, ttyU10)
>>> ModemB (MB) - (ttyU4, ttyU5, ttyU6, ttyU7)
>>> ModemC (MC) - (ttyU0, ttyU1, ttyU2)
>>> ModemD (MD) - (ttyU11, ttyU13, ttyU14)
>>>
>>>
>>> As you see, the discovery will not work sometimes, you need to change to
>>> get all ttyports
>>> not getting as (ttyFOUND + 1) and (ttyFOUND + 2)
>>>
>>>
>>> And, like i said before, if you wan't to made changes i'm able to help
>>> or to rewrite the module, just need someone to help
>>> If you wan't, send me a e-mail or just reply here
>>>
>>> 2015-12-08 9:09 GMT-03:00 Shabbir abbasi <shabbirabbasi92 at gmail.com
>>> <javascript:_e(%7B%7D,'cvml','shabbirabbasi92 at gmail.com');>>:
>>>
>>>> Hi:
>>>> i have made patch for auto reconnect if dongle disconnected and
>>>> display status of dongle connected or disconnected
>>>> https://freeswitch.org/jira/browse/FS-8626
>>>>
>>>> i think after this patch you dont need a seprate daemon to run
>>>> thank u
>>>>
>>>> On Sun, Sep 27, 2015 at 7:53 AM, Luiz Fernando Softov <
>>>> fernando at softov.com.br
>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>> wrote:
>>>>
>>>>> Hi, i sent a e-mail to you, with the diff, files and give you access
>>>>> to web interface of the system.
>>>>>
>>>>> I will wait you to read, confirm and reply my e-mail.
>>>>>
>>>>> Thanks a lot for the help.
>>>>>
>>>>> 2015-09-26 15:28 GMT-04:00 Giovanni Maruzzelli <gmaruzz at gmail.com
>>>>> <javascript:_e(%7B%7D,'cvml','gmaruzz at gmail.com');>>:
>>>>>
>>>>>> As per chat, I'm "gmaruzz" in both FreeSWITCH's hipchat and in IRC
>>>>>> #freeswitch channel at irc.freenode.net
>>>>>>
>>>>>> -giovanni
>>>>>>
>>>>>> On Sat, Sep 26, 2015 at 9:25 PM, Giovanni Maruzzelli <
>>>>>> gmaruzz at gmail.com <javascript:_e(%7B%7D,'cvml','gmaruzz at gmail.com');>
>>>>>> > wrote:
>>>>>>
>>>>>>> On Fri, Sep 25, 2015 at 11:30 PM, Luiz Fernando Softov <
>>>>>>> fernando at softov.com.br
>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>> wrote:
>>>>>>>
>>>>>>>> Now, i make some changes, and until now it's running fine
>>>>>>>>
>>>>>>>> I think the problem was when you declare interface as dead, like
>>>>>>>> line 674 of gsmopen_protocol.cpp
>>>>>>>>
>>>>>>>>
>>>>>>>> https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
>>>>>>>>
>>>>>>>> alarm_event(tech_pvt, ALARM_FAILED_INTERFACE,
>>>>>>>> "gsmopen_serial_monitor failed, declaring interface dead");
>>>>>>>> tech_pvt->active = 0;
>>>>>>>> ->>>> tech_pvt->name[0] = '\0';
>>>>>>>>
>>>>>>>> You make a \0 in interface name
>>>>>>>>
>>>>>>>> So, when someone call remove_interface() in mod_gsmopen.cpp
>>>>>>>>
>>>>>>>>
>>>>>>>> https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse/src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp
>>>>>>>>
>>>>>>>> To grab the tech_pvt, the function check for strlen or compare
>>>>>>>> GSMOPEN_INTERFACES[interface_id].name (line 322 and 329)
>>>>>>>>
>>>>>>>> Then, we will not found interface (tech_pvt), because "name" is
>>>>>>>> nothing
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>> continuing, in line 336 it's check if there is a tech_pvt
>>>>>>>>
>>>>>>>> if (!tech_pvt) {
>>>>>>>> DEBUGA_GSMOPEN("interface '%s' does not exist\n", GSMOPEN_P_LOG,
>>>>>>>> the_interface);
>>>>>>>> goto end;
>>>>>>>> }
>>>>>>>>
>>>>>>>> This check will jump the Close in line 385, causing a deadlock
>>>>>>>> opened fd.
>>>>>>>> res = tech_pvt->serialPort_serial_control->Close();
>>>>>>>>
>>>>>>>> So i comment every line when you set tech_pvt->name[0] = '\0';
>>>>>>>>
>>>>>>>> It's correct? Since when interface failed, and it's declared as
>>>>>>>> died, the serial isn't closed, just marked as died, and the tty still
>>>>>>>> opened causing a deadlock, if no one close this.
>>>>>>>>
>>>>>>>>
>>>>>>> your reasoning seems sound, is the system still running ok?
>>>>>>>
>>>>>>>
>>>>>>> Have you changed anything else?
>>>>>>>
>>>>>>> Can you send me (to my mail, as an attach) a git diff? Or open a
>>>>>>> jira attaching that diff?
>>>>>>>
>>>>>>> Btw, yes, I'm interested in understanding better how your system
>>>>>>> works (daemon, attach-detach, and all).
>>>>>>>
>>>>>>> Also, big thanks for taking the time to look into the source code!!!
>>>>>>>
>>>>>>> -giovanni
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> 2015-09-25 14:10 GMT-04:00 Luiz Fernando Softov <
>>>>>>>> fernando at softov.com.br
>>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>>:
>>>>>>>>
>>>>>>>>> I make a daemon, witch manage USB using kqueue and other things,
>>>>>>>>> so, every time i plug or unplug a modem, i make a event, like ARRIVE and
>>>>>>>>> LEAVE.
>>>>>>>>>
>>>>>>>>> This daemon have a list of modems, correlate with ttys ids - U3G
>>>>>>>>> (U0.0, U0.1, U0.2) and UMODEM (U0 U1 U2)
>>>>>>>>>
>>>>>>>>> So, when a modem ARRIVE, and it's "attached" (configured), i call
>>>>>>>>> a "gsm reload".
>>>>>>>>> When a modem LEAVE, i call a gsm remove interface_x.
>>>>>>>>>
>>>>>>>>> Using mod_xml_curl, i have dynamic config.
>>>>>>>>>
>>>>>>>>> I use events, like gsmopen_dump list, to manage and controll
>>>>>>>>> interfaces, like when user "detach" a modem.
>>>>>>>>>
>>>>>>>>> If you want, send me a e-mail, i will give access to my system and
>>>>>>>>> you can see what i'm talking about.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Anyway, i found things like in function
>>>>>>>>>
>>>>>>>>> int gsmopen_serial_write_AT_noack(private_t *tech_pvt, const char
>>>>>>>>> *data)
>>>>>>>>>
>>>>>>>>> // You make
>>>>>>>>> LOKKA(tech_pvt->controldev_lock);
>>>>>>>>>
>>>>>>>>> Then call gsmopen_serial_write_AT(tech_pvt, data), and
>>>>>>>>> inside gsmopen_serial_write_AT, when something is wrong, you
>>>>>>>>> make UNLOCKA(tech_pvt->controldev_lock); and return -1
>>>>>>>>>
>>>>>>>>> But, you check if (gsmopen_serial_write_AT(tech_pvt, data) !=
>>>>>>>>> (int) strlen(data)) {
>>>>>>>>>
>>>>>>>>> Then, you make again UNLOCKA(tech_pvt->controldev_lock);
>>>>>>>>>
>>>>>>>>> Why make two times UNLOCKA(tech_pvt->controldev_lock); ?
>>>>>>>>>
>>>>>>>>> It's like
>>>>>>>>> LOKKA(tech_pvt->controldev_lock);
>>>>>>>>> UNLOCKA(tech_pvt->controldev_lock);
>>>>>>>>> UNLOCKA(tech_pvt->controldev_lock);
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Another is in
>>>>>>>>> int gsmopen_serial_read_AT(private_t *tech_pvt, int look_for_ack,
>>>>>>>>> int timeout_usec, int timeout_sec, const char *expected_string, int
>>>>>>>>> expect_crlf)
>>>>>>>>> You make a LOKKA(tech_pvt->controldev_lock);, but there is some
>>>>>>>>> returns (inside try catch), without UNLOCKA.
>>>>>>>>>
>>>>>>>>> Sorry if i make some mistakes in my explanation, but i just want
>>>>>>>>> to undestand how this funcions works.
>>>>>>>>>
>>>>>>>>> I disagree with "Shaabir" about this module is not useable. I
>>>>>>>>> just think this need some changes to work fine.
>>>>>>>>> I already test this module with 40 modems for 7 days, and it's
>>>>>>>>> work fine, until i grab a deadlock in USB.
>>>>>>>>>
>>>>>>>>> Giovanni, if you have time to chat with me, i will be grateful.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> 2015-09-25 12:41 GMT-04:00 Giovanni Maruzzelli <gmaruzz at gmail.com
>>>>>>>>> <javascript:_e(%7B%7D,'cvml','gmaruzz at gmail.com');>>:
>>>>>>>>>
>>>>>>>>>> for plugging and unplugging modems, that's a very difficult thing
>>>>>>>>>> to manage, this is the best I can come out with (and probably does not work
>>>>>>>>>> in freebsd):
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> http://wiki.freeswitch.org/wiki/GSMopen#IMEI_and_IMSI_automatic_device_discovery_.28only_on_Linux.29_2
>>>>>>>>>>
>>>>>>>>>> you're welcome to find a similar mechanism, and file a jira with
>>>>>>>>>> a pull request, so it will be inserted in manline.
>>>>>>>>>>
>>>>>>>>>> If your modifications only apply to freebsd, please use #ifdefs,
>>>>>>>>>> so it still continue to compile and work in Linux.
>>>>>>>>>>
>>>>>>>>>> -giovanni
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Sincerely,
>>>>>>>>>>
>>>>>>>>>> Giovanni Maruzzelli
>>>>>>>>>> Cell : +39-347-2665618
>>>>>>>>>>
>>>>>>>>>> On Fri, Sep 25, 2015 at 6:24 PM, Luiz Fernando Softov <
>>>>>>>>>> fernando at softov.com.br
>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>> wrote:
>>>>>>>>>>
>>>>>>>>>>> I'm using a USB with power supply.
>>>>>>>>>>>
>>>>>>>>>>> But sometimes it's just happen. Sometimes user remove and plug
>>>>>>>>>>> modem again.
>>>>>>>>>>>
>>>>>>>>>>> I can't use Debian, because our system depends of FreeBSD, and
>>>>>>>>>>> we have a lot of source (daemons) running, based, on that platform. And we
>>>>>>>>>>> use kqueue, I think Debian don't have kqueue, it's like epool, but better,
>>>>>>>>>>> much better.
>>>>>>>>>>>
>>>>>>>>>>> Anyway, I don't That it's a kernel problem, because, since I
>>>>>>>>>>> have another daemon, attached in ttyx.0 (mod_gsmopen attach to ttyx.3), and
>>>>>>>>>>> when modem power off or "reset", only ttyx.3 still locked.
>>>>>>>>>>>
>>>>>>>>>>> I'm trying to read the source to figure what's happening, but
>>>>>>>>>>> it's hard to read, not because the source is difficult, but because isn't
>>>>>>>>>>> organized.
>>>>>>>>>>>
>>>>>>>>>>> I'm thinking in rewrite the module, but if in future someone
>>>>>>>>>>> change something in original module I will need to check my source.
>>>>>>>>>>> There is another thing, I don't know how things like apr_thread
>>>>>>>>>>> works, and what functions like switch_sleep(1000000) do and why using that.
>>>>>>>>>>>
>>>>>>>>>>> Today I make some alterations where the module make
>>>>>>>>>>> a lock, LOKKA, there is some functions who don't have unlock, and another
>>>>>>>>>>> who only have unlock, sometimes two unlocks. So I will wait to see what
>>>>>>>>>>> will happen.
>>>>>>>>>>>
>>>>>>>>>>> Now, here it's 3:00 am, and I'm going to sleep, almost 19 hours
>>>>>>>>>>> awake up, trying to debug this module and another things.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Maybe you or someone have a time, to chat, or reply some
>>>>>>>>>>> e-mails, or maybe here, to explain some questions about the source (module)?
>>>>>>>>>>>
>>>>>>>>>>> There's some lines marked with TODO, why?
>>>>>>>>>>> And there is another version of this module?
>>>>>>>>>>> Which the maximum number of modems that you already usage?
>>>>>>>>>>>
>>>>>>>>>>> 2015-09-25 7:53 GMT-04:00 Giovanni Maruzzelli <gmaruzz at gmail.com
>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','gmaruzz at gmail.com');>>:
>>>>>>>>>>>
>>>>>>>>>>>> if you found problems, please open a jira issue, with all info
>>>>>>>>>>>> to replicate the problem, as explained in gsmopen page.
>>>>>>>>>>>>
>>>>>>>>>>>> It would be useful for us developers, and to me personally,
>>>>>>>>>>>> being the person in charge of gsmopen.
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks in advance,
>>>>>>>>>>>>
>>>>>>>>>>>> -giovanni
>>>>>>>>>>>>
>>>>>>>>>>>> Sincerely,
>>>>>>>>>>>>
>>>>>>>>>>>> Giovanni Maruzzelli
>>>>>>>>>>>> Cell : +39-347-2665618
>>>>>>>>>>>>
>>>>>>>>>>>> On Fri, Sep 25, 2015 at 1:44 PM, Shabbir abbasi <
>>>>>>>>>>>> shabbirabbasi92 at gmail.com
>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','shabbirabbasi92 at gmail.com');>>
>>>>>>>>>>>> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> mod_gsmopen needs more development work, i have tested it
>>>>>>>>>>>>> sometimes ago and found it is not useable , so now i am using asterisk
>>>>>>>>>>>>> with chan_dongle better then gsmopen without usb HUB
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Fri, Sep 25, 2015 at 11:11 AM, Giovanni Maruzzelli <
>>>>>>>>>>>>> gmaruzz at gmail.com
>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','gmaruzz at gmail.com');>> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> This seems to be a kernel problem.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> To have the most success chances: use a USB hub with power
>>>>>>>>>>>>>> supply (eg, a USB hub that get electrical power from the wall socket).
>>>>>>>>>>>>>> Also, use the reference.platform, debian 8 jessie, instead of
>>>>>>>>>>>>>> freebsd.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> -goovanni
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> sent from my mobile,
>>>>>>>>>>>>>> Giovanni Maruzzelli
>>>>>>>>>>>>>> cell: +39 347 266 56 18
>>>>>>>>>>>>>> On Sep 25, 2015 7:19 AM, "Luiz Fernando Softov" <
>>>>>>>>>>>>>> fernando at softov.com.br
>>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>>
>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> I'm using freeswitch 1.15 in Freebsd 10.1, with mod_gsmopen
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> FreeSWITCH Version
>>>>>>>>>>>>>>> 1.5.15b+git~20150407T231134Z~d55c4a053b~64bit (git d55c4a0 2015-04-07
>>>>>>>>>>>>>>> 23:11:34Z 64bit), whats happen, its the same with another versions like,
>>>>>>>>>>>>>>> 1.6, 1.4.19, etc
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> After sometime running freeswitch, i have this TTYs.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8e Sep 24 15:30 ttyU1.3
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8f Sep 24 15:30
>>>>>>>>>>>>>>> ttyU1.3.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x90 Sep 24 15:30
>>>>>>>>>>>>>>> ttyU1.3.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8e Sep 24 15:30 ttyU2.3
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8f Sep 24
>>>>>>>>>>>>>>> 15:30 ttyU2.3.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x90 Sep 24
>>>>>>>>>>>>>>> 15:30 ttyU2.3.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8e Sep 24 15:30 ttyU3.3
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8f Sep 24
>>>>>>>>>>>>>>> 15:30 ttyU3.3.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x90 Sep 24 15:30
>>>>>>>>>>>>>>> ttyU3.3.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x76 Sep 25 00:46 ttyU4.0
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x77 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.0.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x78 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.0.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x7c Sep 24 22:28 ttyU4.1
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x7d Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.1.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x7e Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.1.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x82 Sep 24 22:28 ttyU4.2
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x83 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.2.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x84 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.2.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8e Sep 24 22:28 ttyU4.3
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x8f Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.3.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0x90 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU4.3.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xa8 Sep 25 00:46 ttyU5.0
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xa9 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.0.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xaa Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.0.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xae Sep 24 22:28 ttyU5.1
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xaf Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.1.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xb6 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.1.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xba Sep 24 22:28 ttyU5.2
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xbb Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.2.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xbc Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.2.lock
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xc0 Sep 24 22:28 ttyU5.3
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xc1 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.3.init
>>>>>>>>>>>>>>> crw------- 1 root wheel 0xc2 Sep 24 22:28
>>>>>>>>>>>>>>> ttyU5.3.lock
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> As you can see, ttyU1.3, ttyU2.3, ttyU3.3 are USB deadlocks
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> I try to unload mod_gsmopen, but i receive a message that is
>>>>>>>>>>>>>>> in use
>>>>>>>>>>>>>>> so i kill freeswitch, then ttyU1.3, ttyU2.3, ttyU3.3, are
>>>>>>>>>>>>>>> free and disappear (as well .init and .lock)
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> I try to figure out whats happening, with logs, alarms, but
>>>>>>>>>>>>>>> i can't.
>>>>>>>>>>>>>>> Someone have the same problem, or know the solution?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> ps.
>>>>>>>>>>>>>>> Reading the list, i realize that few members use the module,
>>>>>>>>>>>>>>> or don't have problems.
>>>>>>>>>>>>>>> If i am correct, is there any other way to use GSM modems or
>>>>>>>>>>>>>>> GSM, which is low cost?
>>>>>>>>>>>>>>> Is there anyone who can guide me in some things about the
>>>>>>>>>>>>>>> code or tips?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> ps 2.
>>>>>>>>>>>>>>> sorry about my english
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> Luiz Fernando Softov
>>>>>>>>>>>>>>> http://www.softov.com.br
>>>>>>>>>>>>>>> fernando at softov.com.br
>>>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>>>
>>>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>>>
>>>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>>
>>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>>
>>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Luiz Fernando Softov
>>>>>>>>>>> http://www.softov.com.br
>>>>>>>>>>> fernando at softov.com.br
>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>>
>>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>>
>>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _________________________________________________________________________
>>>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>>>> consulting at freeswitch.org
>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>>>
>>>>>>>>>> Official FreeSWITCH Sites
>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>> http://confluence.freeswitch.org
>>>>>>>>>> http://www.cluecon.com
>>>>>>>>>>
>>>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>>>> UNSUBSCRIBE:
>>>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>>>> http://www.freeswitch.org
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Luiz Fernando Softov
>>>>>>>>> http://www.softov.com.br
>>>>>>>>> fernando at softov.com.br
>>>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Luiz Fernando Softov
>>>>>>>> http://www.softov.com.br
>>>>>>>> fernando at softov.com.br
>>>>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>
>>>>>>>>
>>>>>>>>
>>>>>>>> _________________________________________________________________________
>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>> consulting at freeswitch.org
>>>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>
>>>>>>>> Official FreeSWITCH Sites
>>>>>>>> http://www.freeswitch.org
>>>>>>>> http://confluence.freeswitch.org
>>>>>>>> http://www.cluecon.com
>>>>>>>>
>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>> UNSUBSCRIBE:
>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>> http://www.freeswitch.org
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Sincerely,
>>>>>>>
>>>>>>> Giovanni Maruzzelli
>>>>>>> Cell : +39-347-2665618
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Sincerely,
>>>>>>
>>>>>> Giovanni Maruzzelli
>>>>>> Cell : +39-347-2665618
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> http://www.freeswitch.org
>>>>>> http://confluence.freeswitch.org
>>>>>> http://www.cluecon.com
>>>>>>
>>>>>> FreeSWITCH-users mailing list
>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>> UNSUBSCRIBE:
>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>> http://www.freeswitch.org
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Luiz Fernando Softov
>>>>> http://www.softov.com.br
>>>>> fernando at softov.com.br
>>>>> <javascript:_e(%7B%7D,'cvml','fernando at softov.com.br');>
>>>>>
>>>>>
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>>> http://www.freeswitchsolutions.com
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> http://www.freeswitch.org
>>>>> http://confluence.freeswitch.org
>>>>> http://www.cluecon.com
>>>>>
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>> UNSUBSCRIBE:
>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>> http://www.freeswitch.org
>>>>>
>>>>
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://confluence.freeswitch.org
>>>> http://www.cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
>>>> FreeSWITCH-users at lists.freeswitch.org
>>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>> UNSUBSCRIBE:
>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>> http://www.freeswitch.org
>>>>
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> <javascript:_e(%7B%7D,'cvml','consulting at freeswitch.org');>
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> <javascript:_e(%7B%7D,'cvml','FreeSWITCH-users at lists.freeswitch.org');>
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>
>>
>
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