Re: modem-manager hangs while starting up

[Harald Jung <support ecos de>]

T:  Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#=  3 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=12d1 ProdID=1001 Rev= 0.00
S:  Manufacturer=HUAWEI Technology
S:  Product=HUAWEI Mobile
C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E:  Ad=81(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms

Jul  3 22:23:14 ThinClient klogd: usbcore: registered new interface
driver usbserial
Jul  3 22:23:14 ThinClient klogd: usbcore: registered new interface
driver usbserial_generic
Jul  3 22:23:14 ThinClient klogd: USB Serial support registered for
generic
Jul  3 22:23:14 ThinClient klogd: usbserial: USB Serial Driver core
Jul  3 22:23:14 ThinClient klogd: usbcore: registered new interface
driver option
Jul  3 22:23:14 ThinClient klogd: USB Serial support registered for GSM
modem (1-port)
Jul  3 22:23:14 ThinClient klogd: option 1-1.2:1.0: GSM modem (1-port)
converter detected
Jul  3 22:23:14 ThinClient klogd: usb 1-1.2: GSM modem (1-port)
converter now attached to ttyUSB0
Jul  3 22:23:14 ThinClient klogd: option 1-1.2:1.1: GSM modem (1-port)
converter detected
Jul  3 22:23:14 ThinClient klogd: usb 1-1.2: GSM modem (1-port)
converter now attached to ttyUSB1
Jul  3 22:23:14 ThinClient klogd: option 1-1.2:1.2: GSM modem (1-port)
converter detected
Jul  3 22:23:14 ThinClient klogd: usb 1-1.2: GSM modem (1-port)
converter now attached to ttyUSB2

(gdb) backtrace
#0  0x9d447c81 in poll () from /lib/libc.so.6
#1  0x9d5281b0 in g_poll () from /usr/lib/libglib-2.0.so.0
#2  0x00000011 in ?? ()
#3  0xffffffff in ?? ()
#4  0x9d55e775 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#5  0xb38358c4 in ?? ()


Harald

Am Dienstag, den 03.07.2012, 17:50 +0000 schrieb Dan Williams:
> On Tue, 2012-07-03 at 16:17 +0200, Harald Jung wrote:
> > Hi there,
> > 
> > i've compiled the current modem-manager version 0.5.2.0 under a hardened
> > gentoo.
> > The kernel version is 3.4.4
> > The modem-manager hangs while starting up
> 
> Can you gdb attach to ModemManager and get a backtrace of where it's at?
> Also, what kind of modem is attached?  There are some devices that (due
> to kernel bugs) block various file operations for about 5 or 10 seconds,
> and that needs to be fixed in the kernel (option "send setup" blacklist,
> to be specific).  This might be one of those.
> 
> Dan