Re: NM 0.9 with Sierra USB 305 modem connection problems

[Arief M Utama <arief utama gmail com>]

On 08/26/2011 04:28 AM, Dan Williams wrote:
> On Thu, 2011-08-25 at 16:09 -0500, Dan Williams wrote:
> > On Fri, 2011-08-26 at 03:48 +0700, Arief M Utama wrote:
> > > On 08/26/2011 03:27 AM, Dan Williams wrote:
> > > > On Fri, 2011-08-26 at 02:55 +0700, Arief M Utama wrote:
> > > > > Hi all,
> > > > >
> > > > >
> > > > > I'm using Debian's NM 0.9 with MM 0.5 (from experimental repo),
> > > > > with Sierra Wireless modem USB 305 (USB id: 1199:68a3) mobile broadband
> > > > > connection does not work.
> > > > When the modem is inserted, is the 'sierra_net' driver loaded?  Any
> > > > chance you can get ModemManager debug logging so we can diagnose?
> > > Yep, it is loaded.
> > >
> > >
> > > > http://live.gnome.org/NetworkManager/Debugging
> > > >
> > > > the instructions under "Debugging NetworkManager 0.8.x 3G connections"
> > > > still apply to 0.9.  FYI I have a 306 that I've tested with so at least
> > > > we expect it to work.
> > > Following that instructions, herewith I attached the log result. Bit
> > > more info, I already created a "Telkomsel Flash" connection using
> > > nm-connection-editor, connecting by clicking on it from the gnome-shell
> > > applet.
> > >
> > > Tried twice, same result no connection. On first try it shows "you are
> > > connected" notification but it's actually not connected (probably a
> > > gnome-shell issue). On second try it just went to disconnected message
> > > quickly.
> > >
> > > I left my WiFi connection up during the test.
> > >
> > > One more thing, I noted from the debug log, so many AT commands was sent
> > > to the modem. Wondered about this, as with my ppp chatscripts, basically
> > > I only use following AT commands to make it work flawlessly:
> > Using wvdial doesn't allow use of the network port the modem exposes,
> > which limits the connection speed; at the higher 3G/4G speeds we're
> > seeing these days, PPP just doesn't allow full throughput.  Plus, when
> > using the network port, we can get connection status and signal strength
> > on the AT command port, which you can't do when you're using PPP on a
> > lot of devices.  Basically, MM does a lot more than just connect, it
> > also delivers status updates, signal strength, SMS, etc.
> >
> > > --- start chatscript snippet ---
> > > # cease if the modem is not attached to the network yet
> > > ABORT        "+CGATT: 0"
> > > ""        AT
> > > TIMEOUT        12
> > > OK        ATH
> > > OK        ATE1
> > > OK        AT+CGDCONT=1,"IP","\T","",0,0
> > > OK        ATD*99#
> > > TIMEOUT        22
> > > CONNECT        ""
> > > --- end chatscript snippet ---
> > >
> > >
> > > Hope this helps, let me know if more is needed and thanks for the help.
> > So the core problem is this:
> >
> > modem-manager[27390]:<debug>  [1314304573.585330] [mm-at-serial-port.c:298] debug_log(): (ttyUSB0): -->  'AT$QCPDPP=1,1,"wap123","wap"<CR>'
> > modem-manager[27390]:<debug>  [1314304573.619827] [mm-at-serial-port.c:298] debug_log(): (ttyUSB0):<-- '<CR><LF>ERROR<CR><LF>'
> >
> > Grr.  You've got the USB Lightning, which appears to use an Icera
> > chipset, not a Qualcomm one:
> >
> > http://sierrawireless.custhelp.com/app/answers/detail/a_id/641/~/can-i-use-a-sierra-wireless-modem-on-linux-machines-%28direct-ip-modems%29%3F
> >
> > So we need to update ModemManager to use "AT%IPDPCFG" in this case
> > instead of AT$QCPDPP like we do for Option NV modems that also use Icera
> > chipsets.
> Any chance you can check something for me quickly with minicom or screen
> or such?  I'm interested in the response to the following commands:


Sure, here they are


> AT&V
AT&V
ACTIVE PROFILE
E: 1
L: 0
M: 0
Q: 0
V: 1
X: 4
S0: 0
S2: 43
S3: 13
S4: 10
S5: 8
S6: 2
S7: 60
S8: 2
S10: 15
+CRC: 0
+CR: 0
+FCLASS: 0
+IMODE: 0
+CMGF: 0
+CSDH: 0
+ILRR: 0
+CRLP: 61,61,128,6,1,3
+CMEE: 2
+CBST: 116,1,0
+CNMI: 2,1,0,0,0
+CSTA: 129
+CSCS: "IRA"
+CSNS: 0
+DS: 3,0,512,20
&C: 1
&D: 2
+CCWE: 0
*TDTX: 0
+CTZU: 0
+CTZR: 0
+CV120: 1,1,1,0,0,0
+CGAUTO: 3
*TGMTPCACT: 0
*TGMTPCA: 1
*THCFG: 0
*TTS61: 1
*TLDCA: 1
*TFFOS: 0
+CHSN: 0,0,0,0
*TLLC: 0
*TESTCSD: 0
*TRLP: 0,0
*TGPPPLOG: 0
*TSIMINS: 0
+CMUX: 0
+CCUG: 0,0,0
+CLIP: 0
+COLP: 0
+CCWA: 0
+CAOC: 1
+CLIR: 0
+CUSD: 0
+CSSU: 0
+CSSI: 0
+CDIP: 0
+VCID: 0
*TSTMODE: 2
+CSCA: "+6281100000",145
+CSMP: 17,255,0,0

OK



> AT+CLAC
AT+CLAC
+CGMI
+CGMM
+CGMR
+GMI
+GMM
+GMR
D
DT
DP
A
DL
D>
H
+CHUP
O
+CMOD
+CIND
+CMEC
+CMER
+CACM
+CAMM
+CCLK
$CCLK
+CEER
+CGSN
+CIMI
+CKPD
+CLAC
+CNUM
+CPAS
+CPBF
+CPBR
+CPBS
+CPBW
+CPUC
+GCAP
+GSN
I
P
T
+CGACT
+CGANS
+CGATT
+CGCLASS
+CGCMOD
+CGDATA
+CGDCONT
+CGDSCONT
+CGEREP
+CGEQMIN
+CGEQNEG
+CGEQREQ
+CGPADDR
+CGQMIN
+CGQREQ
+CGREG
+CGSMS
+CGTFT
+COPS
+CPOL
+COPN
+CSQ
$CSQ
+CREG
$CREG
+CPLS
+CMGD
+CMGR
+CSCA
+CMGS
+CMGC
+CMSS
+CMGL
+CMGW
+CPMS
+CNMA
+CMMS
+CSCB
&C
&D
&F
&V
&W
+CBST
+CCWE
+CGAUTO
+CHSN
+CMEE
+CMGF
+CNMI
+CR
+CRC
+CRES
+CRLP
+CSAS
+CSCS
+CSNS
+CSDH
+CSTA
+CSMP
+CSMS
+CTZR
+CTZU
+CV120
+FCLASS
+ILRR
E
L
M
Q
S0
S10
S2
S3
S4
S5
S6
S7
S8
V
X
Z
+CFUN
+CMAR
+CPIN
+CSIM
+CRSM
+CCHO
+CCHC
+CGLA
+CRLA
+CUAD
+PACSP
H
+CAOC
+CCFC
+CCWA
+CCUG
+CDIP
+CHLD
+CLCK
+CLCC
+CLIP
+CLIR
+COLP
+CPWD
+CSSN
+CUSD
+VCID
*TSTCR
*TSTEV
*TSTGC
*TSTMODE
*TSTMS
*TSTPD
*TSTRT
*TSTRF
*TSTTONE
!LB
I
+GMI
+CGMI
+GMM
+CGMM
%SERIAL
!SIMNOTINSTALLED
+GMR
+CGMR
!SMSSTSEN
!OSPSTAT
!GVER
!GRESET
%MODE
!BCINF
!SWOCMODE
!SWOCINVALIDATE
!SWOCINFO
!NE
!NESIG
!RSSI

OK


> AT%IPSYS?
AT%IPSYS?
%IPSYS: 5,2

OK

> AT!SELRAT?
AT!SELRAT?
ERROR

> Thanks!
> Dan

Thank you for looking into this Dan :)


All the best.
-arief