[Asterisk-Users] segfault with chan_capi-cm 0.5.4

[Armin Schindler]

Hi,

this should already be fixed in current CVS version and will be part of
next release.
Maybe you want to try it. (Note: capi.conf and dial syntax has changed)

Armin

On Thu, 18 Aug 2005, Tobias Wolf wrote:
> Hi,
> 
> Armin Schindler schrieb:
> 
> > Can you please provide a verbose log level 5 with 'capi debug'?
> > A backtrace could be of help too.
> > 
> > 
> > 
> thx for your answer.
> 
> i hope these information gives you some insights. i have asterisk write an
> core dump and after that i executed:
> gdb asterisk core.8301 and bt full prints out this:
> 
> #0  0x4018dcff in strlen () from /lib/libc.so.6
> No symbol table info available.
> #1  0x403600f7 in capi_call (c=0x815e008, idest=0xbd9fed64 "\001", timeout=0)
> at chan_capi.c:843
> i = (struct ast_capi_pvt *) 0x810e9d8
> p = (struct capi_pipe *) 0x4e
> dest = 0x0
> buffer = "contr1\00001718115852", '\0' <repeats 61 times>, "@"
> buffer_r = '\0' <repeats 80 times>, "contr1\00001718115852", 
> '\0' <repeats 1949 times>
> buffer_rp = 0xbd9ff7b6 ""
> called = "\f\20001718115852", '\0' <repeats 66 times>
> calling = '\0' <repeats 79 times>
> bchaninfo = "\000\000"
> CLIR = 0
> CMSG = {ApplId = 1, Command = 2 '\002', Subcommand = 128 '\200',
> Messagenumber = 3, adr = {adrController = 1, adrPLCI = 1, adrNCCI = 1},
> AdditionalInfo = CAPI_COMPOSE, B1configuration = 0x0, B1protocol = 0,
> B2configuration = 0x0, B2protocol = 0, B3configuration = 0x0,
> B3protocol = 0, BC = 0x0, BChannelinformation = 0x0,
> BProtocol = CAPI_COMPOSE,
> CalledPartyNumber = 0xbd9fef54 "\f\20001718115852",
> CalledPartySubaddress = 0x0, CallingPartyNumber = 0x0,
> CallingPartySubaddress = 0x0, CIPmask = 0, CIPmask2 = 0, CIPValue = 16,
> Class = 0, ConnectedNumber = 0x0, ConnectedSubaddress = 0x0, Data32 = 0,
> Data64 = 0, DataHandle = 0, DataLength = 0,
> FacilityConfirmationParameter = 0x0, Facilitydataarray = 0x0,
> FacilityIndicationParameter = 0x0, FacilityRequestParameter = 0x0,
> FacilityResponseParameters = 0x0, FacilitySelector = 0, Flags = 0,
> Function = 0, HLC = 0x0, Info = 0, InfoElement = 0x0, InfoMask = 0,
> InfoNumber = 0, Keypadfacility = 0x0, LLC = 0x0, ManuData = 0x0,
> ManuID = 0, NCPI = 0x0, Reason = 0, Reason_B3 = 0, Reject = 0,
> Useruserdata = 0x0, Data = 0x0, l = 0, p = 0, par = 0x0, m = 0x0,
> buf = '\0' <repeats 179 times>}
>        error = 0
> #2  0x0805de0b in ast_call (chan=0x815e008, addr=0x0, timeout=0)
> at channel.c:1994
>        res = 135646972
> #3  0x0805d582 in __ast_request_and_dial (type=0x815cdfc "Capi", format=0,
> data=0x815cefc, timeout=45000, outstate=0xbd9ffad8,
> callerid=0x815d400 "", oh=0xbd9ffa44) at channel.c:1788
> tmp = 0xbd9ff860 ""
> state = 0
> chan = (struct ast_channel *) 0x815e008
> f = (struct ast_frame *) 0x815cefc
> res = 0
> variable = 0x0
> #4  0x08079788 in ast_pbx_outgoing_exten (type=0x815cdfc "Capi", format=64,
> data=0x815cefc, timeout=45000, context=0x815d2fc "capi-in",
> exten=0x815d1fc "1000", priority=1, reason=0xbd9ffad8, sync=2,
> callerid=0xafc8 <Address 0xafc8 out of bounds>, variable=0x815d500 "",
> account=0x815df00 "") at pbx.c:4077
> chan = (struct ast_channel *) 0xbd9ffad8
> as = (struct async_stat *) 0x2
> res = -1
> var = 0x0
> tmp = 0x2020206d <Address 0x2020206d out of bounds>
> oh = {context = 0x815d2fc "capi-in", exten = 0x815d1fc "1000",
> priority = 1, callerid = 0x815d400 "", variable = 0x815d500 "",
> account = 0x815df00 ""}
>      attr = {__detachstate = 1, __schedpolicy = 1768972643,
> __schedparam = {__sched_priority = 980314413},
> __inheritsched = 1073941760, __scope = 135174112, __guardsize = 135647996,
> __stackaddr_set = -1113589172, __stackaddr = 0x40028d48,
> __stacksize = 135174128}
> __result = 0xffffffff <Address 0xffffffff out of bounds>
> __result = 0xffffffff <Address 0xffffffff out of bounds>
> #5  0x407ab8ae in attempt_thread (data=0x815cce8) at pbx_spool.c:226
> res = 0
> reason = 1076032992
> #6  0x40027e51 in pthread_start_thread () from /lib/libpthread.so.0
> No symbol table info available.
> #7  0x401ef92a in clone () from /lib/libc.so.6
> No symbol table info available.
> 
> This is the output from the asterisk console:
> 
> Asterisk Ready.
> *CLI> capi debug
> CAPI Debugging Enabled
> *CLI>     -- Attempting call on Capi/contr1/01718115852 for 1000 at capi-in:1
> (Retry 1)
> -- data = contr1/01718115852
> -- capi request controller = 1
> Urgent handler
>  -- creating pipe for PLCI=0
>  == CAPI Call CAPI/contr1/01718115852-0  (pres=0x00)
> Urgent handler
> Ouch ... error while writing audio data: : Broken pipe
> Segmentation fault
> 
> And finally the call file:
> Channel: Capi/contr1/01718115852
> Context: capi-in
> Extension: 1000
> Priority: 1
> 
> I hope i made now error while generating the backtrace. if so i would gladly
> hear any advice how to produce useful information for debugging on my side :)
> 
> have a nice day
> 
> tobias wolf
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