E3372H stick mode driver appears broken

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shenoyh
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Joined: 14 Feb 2011
Posts: 11

PostPosted: Sun Aug 25, 2019 15:02    Post subject: E3372H stick mode driver appears broken Reply with quote
DD-WRT v3.0-r40400 giga (07/20/19)
WNDR4500v1
HUAWEI e3372H stick mode (Not Hilink)
I am trying to bring this up only with the slower PPP mode as this is sufficient for me now.

I am experiencing an issue like the one in this thread with no fix in sight:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=687787
and this one:
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1070085

The Huawei 3372 is in stick mode (I did not change it to this mode - this is how it was when I got it brand new). The modem is detected and drivers are installed. However it never seems to connect to the internet. I see that an incorrect USB device is assigned:

cat comgt-netmode.out
Can't open device /dev/usb/tts/2.

nvram show | grep 3g
3gcontrol=/dev/usb/tts/2
3gdata=/dev/usb/tts/0
3gnmvariant=2
action_service=start_3g
wan_proto=3g

Attempting to manually change either the 3gcontrol or 3gdata to 0 and 1 reverts them back within a few seconds to the above values. So that is not of use and unlike in the above thread, the option driver is correctly picking the first two interfaces.

# cat /proc/bus/usb/devices

T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0001 Rev= 3.10
S: Manufacturer=Linux 3.10.108-d8 ohci_hcd
S: Product=OHCI Host Controller
S: SerialNumber=0000:00:04.0
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms

T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 2
B: Alloc= 0/800 us ( 0%), #Int= 1, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev= 3.10
S: Manufacturer=Linux 3.10.108-d8 ehci_hcd
S: Product=EHCI Host Controller
S: SerialNumber=0000:00:04.1
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms

T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 4
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=02 MxPS=64 #Cfgs= 1
P: Vendor=0424 ProdID=2514 Rev= b.b3
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 2mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=01 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms
I:* If#= 0 Alt= 1 #EPs= 1 Cls=09(hub ) Sub=00 Prot=02 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms

T: Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=12d1 ProdID=1506 Rev= 1.02
S: Manufacturer=HUAWEI_MOBILE
S: Product=HUAWEI_MOBILE
C:* #Ifs= 5 Cfg#= 1 Atr=80 MxPwr= 2mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=12 Driver=option
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=01 Driver=option
E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=02 Prot=16 Driver=(none)
E: Ad=86(I) Atr=03(Int.) MxPS= 16 Ivl=2ms
I: If#= 2 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=16 Driver=(none)
E: Ad=86(I) Atr=03(Int.) MxPS= 16 Ivl=2ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=125us
I:* If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=125us

# lsmod
Module Size Used by
qmi_wwan 10464 0
cdc_wdm 8624 1 qmi_wwan
usbnet 16640 1 qmi_wwan
sierra 6656 0
qcserial 4864 0
option 27568 1
usb_wwan 4336 2 qcserial,option
usbserial 17904 6 sierra,qcserial,option,usb_wwan
nf_nat_pptp 1440 0
nf_conntrack_pptp 3456 1 nf_nat_pptp
nf_nat_proto_gre 816 1 nf_nat_pptp
nf_conntrack_proto_gre 2704 1 nf_conntrack_pptp
ext4 308048 1
jbd2 47504 1 ext4
mbcache 3792 1 ext4
crc16 944 1 ext4
jffs2 90192 1
lzma_decompress 9776 1 jffs2
lzma_compress 24608 1 jffs2
usb_storage 38176 3
sr_mod 11680 0
cdrom 31280 1 sr_mod
sd_mod 26960 5
scsi_mod 75648 3 usb_storage,sr_mod,sd_mod
ohci_hcd 15520 0
ehci_pci 2496 0
ehci_hcd 32016 1 ehci_pci
usbcore 118960 13 qmi_wwan,cdc_wdm,usbnet,sierra,qcserial,option,usb_wwan,usbserial,usb_storage,ohci_hcd,ehci_pci,ehci_hcd
usb_common 1040 1 usbcore
wl 4447072 0
switch_robo 10096 0
switch_core 5184 1 switch_robo
et 42336 0

# lsusb
Bus 001 Device 004: ID 12d1:1506 Huawei Technologies Co., Ltd. Modem/Networkcard
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

from dmesg:
usb 1-1.1: new high-speed USB device number 4 using ehci-pci
usb-storage 1-1.1:1.3: USB Mass Storage device detected
scsi1 : usb-storage 1-1.1:1.3
usb-storage 1-1.1:1.4: USB Mass Storage device detected
scsi2 : usb-storage 1-1.1:1.4
scsi 2:0:0:0: Direct-Access HUAWEI TF CARD Storage 2.31 PQ: 0 ANSI: 2
sd 2:0:0:0: [sdb] 1984000 512-byte logical blocks: (1.01 GB/968 MiB)
sd 2:0:0:0: [sdb] Write Protect is off
sd 2:0:0:0: [sdb] Mode Sense: 0f 00 00 00
sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
scsi 1:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
sdb: sdb1 sdb2
sr0: scsi-1 drive
sr 1:0:0:0: Attached scsi CD-ROM sr0
sd 2:0:0:0: [sdb] Attached SCSI removable disk
usbcore: registered new interface driver usbserial
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial support registered for generic
...
...
...
usbcore: registered new interface driver option
usbserial: USB Serial support registered for GSM modem (1-port)
option 1-1.1:1.0: GSM modem (1-port) converter detected
usb 1-1.1: GSM modem (1-port) converter now attached to ttyUSB0
option 1-1.1:1.1: GSM modem (1-port) converter detected
usb 1-1.1: GSM modem (1-port) converter now attached to ttyUSB1
usbcore: registered new interface driver qcserial
usbserial: USB Serial support registered for Qualcomm USB modem
usbcore: registered new interface driver sierra
usbserial: USB Serial support registered for Sierra USB modem

Since the ppp modules did not load automatically I loaded them with these commands:
/sbin/insmod nf_conntrack_proto_gre
/sbin/insmod nf_nat_proto_gre
/sbin/insmod nf_conntrack_pptp
/sbin/insmod nf_nat_pptp


Mode switch appears to have taken place automatically:
# usb_modeswitch -J -v 12d1 -p 157c
Look for default devices ...
No devices in default mode found. Nothing to do. Bye!


# cat /tmp/comgt* /tmp/ppp/options.pppoe
Can't open device /dev/usb/tts/2.
Dialing 'ATD*99#'
Error dialing 'ATD*99#'
defaultroute
usepeerdns
noipdefault
noauth
ipcp-max-failure 30
crtscts
460800
connect "COMGTDIAL='ATD*99#' /usr/sbin/comgt -s -d /dev/usb/tts/0 /etc/comgt/dial.comgt >/tmp/comgt.out 2>&1"
/dev/usb/tts/0


Is this a known issue? Any work arounds to get it kicked into action manually/script-ually?
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