[Asterisk-Users] zaphfc troubles

Stuart Hirst stuart.hirst at holdentel.com
Wed May 18 02:53:39 MST 2005 

I recently experienced weird buffer overrun errors with zaphfc which I 
eventually identified as being was caused by mismatched memory on the 
motherboard.

You might want to check this out.

Stuart


Nicolas Olivier wrote:

>Hi,
>
>I'm trying to setup a small BRI ISDN <-> voip gateway.
>The ISDN card is based on Cologne chipset, so I try set it up with zaphfc.
>
>The versions i'm running:
>kernel-2.4.27
>Asterisk 1.0.7-BRIstuffed-0.2.0-RC8e
>zaptel modules 1.0.7
>zaphfc is from bristuff-0.2.0-RC8e
>
>When I'm doing the insmod on zaptel, zaphfc, zaprtc:
>
>Zapata Telephony Interface Registered on major 196
>PCI: Found IRQ 12 for device 00:12.0
>zaphfc: CCD/Billion/Asuscom 2BD0 configured at mem 0xc3840000 fifo 0xc2d58000(0x2d58000) IRQ 12 HZ 100
>zaphfc: Card 0 configured for TE mode
>Registered Span 1 ('ZTHFC1') with 3 channels
>Span ('ZTHFC1') is new master
>zaphfc: 1 hfc-pci card(s) in this box.
>Registered Span 2 ('ZTRTC/1') with 0 channels
>Real Time Clock Driver v1.10e
>
>I'm using zaprtc as the gateway is running on a VIA motherboard without USB controller.
>
>When I'm doing ztcfg -vv:
>
>Zaptel Configuration
>======================
>
>SPAN 1: CCS/ AMI Build-out: 399-533 feet (DSX-1)
>
>Channel map:
>
>Channel 01: Individual Clear channel (Default) (Slaves: 01)
>Channel 02: Individual Clear channel (Default) (Slaves: 02)
>Channel 03: D-channel (Default) (Slaves: 03)
>
>3 channels configured.
>
>Here are my confs:
>
>/etc/zaptel.conf:
>
>loadzone=fr
>defaultzone=fr
>
>span=1,1,3,ccs,ami
>bchan=1-2
>dchan=3
>
>/etc/asterisk/zapata.conf:
>
>[channels]
>
>language=fr
>context=test
>switchtype=euroisdn
>signalling=bri_cpe
>echocancel=yes
>immediate=yes
>channel => 1-2
>
>/etc/asterisk/modules.conf:
>
>[modules]
>autoload=yes
>
>noload => pbx_gtkconsole.so
>noload => pbx_kdeconsole.so
>
>noload => app_intercom.so
>
>load => chan_modem.so
>load => res_features.so
>load => res_musiconhold.so
>load => chan_zap.so
>
>noload => chan_alsa.so
>noload => chan_oss.so
>
>[global]
>chan_modem.so=yes
>chan_zap.so=yes
>
>
>The problem is that after ztcfg ran, I've got the following logs:
>
>Registered tone zone 2 (France)
>zaphfc: card 0 layer 1 state = F4
>zaphfc: card 0 layer 1 state = F5
>zaphfc: card 0 layer 1 state = F7
>zaphfc: card 0 RX [ 0xfe 0xff 0x3 0xf 0x0 0x0 0x4 0xff ] 8 bytes
>zaphfc: card 0 RX [ 0xfe 0xff 0x3 0xf 0x0 0x0 0x4 0xff ] 8 bytes
>zaphfc: card 0 layer 1 state = F3
>zaphfc: card 0 layer 1 state = F4
>zaphfc: card 0 layer 1 state = F5
>zaphfc: card 0 layer 1 state = F7
>zaphfc: bchan rx fifo not enough bytes to receive! (z1=5630, z2=5623, wanted 8 got 7), probably a buffer overrun.
>zaphfc: bchan rx fifo not enough bytes to receive! (z1=6163, z2=6156, wanted 8 got 7), probably a buffer overrun.
>zaphfc: card 0 RX [ 0xfe 0xff 0x3 0xf 0x0 0x0 0x4 0xff ] 8 bytes
>zaphfc: card 0 RX [ 0xfe 0xff 0x3 0xf 0x0 0x0 0x4 0xff ] 8 bytes
>
>And when I start asterisk -vvvvc, same logs keep on, and I've finally a kernel crash:
>
>Unable to handle kernel paging request at virtual address fffffffc
> printing eip:
> c0113cc0
> *pde = 0000d063
> *pte = 00000000
> Oops: 0000
> CPU:    0
> EIP:    0010:[<c0113cc0>]    Not tainted
> EFLAGS: 00010013
> eax: c248015c   ebx: 00000000   ecx: 00000001   edx: 00000001
> esi: c24803a0   edi: c248015c   ebp: c2c8fe2c   esp: c2c8fe14
> ds: 0018   es: 0018   ss: 0018
> Process sshd (pid: 146, stackpage=c2c8f000)
> Stack: 00000001 00000086 00000001 c24803a0 c24803a0 c270c940 c2480000 c3819545
>        00000010 00000010 c2c8ff24 00000046 00001140 00000003 c2c8ffc4 00000086
>        c01cb6b1 c02f8bc4 c24803a0 8005003b c2c8feb4 00000002 00000008 c270c800
>Call Trace:    [<c3819545>] [<c01cb6b1>] [<c381aae6>] [<c381aad7>] [<c383cd78>]
>  [<c01cae16>] [<c383ce95>] [<c01c5416>] [<c01cad01>] [<c0109ddd>] [<c0109f78>]
>  [<c010c328>]
>
>Code: 8b 4b fc 8b 01 85 45 f0 74 56 31 c0 9c 5e fa 8b 51 3c c7 01
> <0>Kernel panic: Aiee, killing interrupt handler!
>In interrupt handler - not syncing
>
>Here is the output from asterisk:
>
>No entry for terminal type "screen";
>using dumb terminal settings.
>  == Parsing '/etc/asterisk/asterisk.conf': Found
>  == Parsing '/etc/asterisk/extconfig.conf': Found
>Asterisk 1.0.7-BRIstuffed-0.2.0-RC8e, Copyright (C) 1999-2004 Digium.
>Written by Mark Spencer <markster at digium.com>
>=========================================================================
>  == Parsing '/etc/asterisk/logger.conf': Found
>Asterisk Event Logger Started /var/log/asterisk/event_log
>  == Manager registered action Ping
>  == Manager registered action Events
>  == Manager registered action Logoff
>  == Manager registered action Hangup
>  == Manager registered action Status
>  == Manager registered action Setvar
>  == Manager registered action Getvar
>  == Manager registered action Redirect
>  == Manager registered action Originate
>  == Manager registered action Command
>  == Manager registered action ExtensionState
>  == Manager registered action AbsoluteTimeout
>  == Manager registered action MailboxStatus
>  == Manager registered action MailboxCount
>  == Manager registered action DBget
>  == Manager registered action DBput
>  == Manager registered action DBdel
>  == Manager registered action ListCommands
>  == Parsing '/etc/asterisk/manager.conf': Found
>Asterisk Management interface listening on port 5038
>  == Parsing '/etc/asterisk/rtp.conf': Found
>  == RTP Allocating from port range 10000 -> 20000
>Asterisk PBX Core Initializing
>Registering builtin applications:
> [AbsoluteTimeout]
>  == Registered application 'AbsoluteTimeout'
>(...)
> [WaitExten]
>  == Registered application 'WaitExten'
>Asterisk Dynamic Loader Starting:
>  == Parsing '/etc/asterisk/modules.conf': Found
> [chan_modem.so] => (Generic Voice Modem Driver)
>  == Parsing '/etc/asterisk/modem.conf': Found
>  == Loading modem driver chan_modem_aopen.so => (A/Open (Rockwell Chipset) ITU-2 VoiceModem Driver)
>  == Registered channel type 'Modem' (Generic Voice Modem Channel Driver)
> [res_features.so] => (Call Parking Resource)
>  == Parsing '/etc/asterisk/features.conf': Found
>    -- Registered extension context 'parkedcalls'
>    -- Added extension '700' priority 1 to parkedcalls
>  == Registered application 'ParkedCall'
>  == Registered application 'Park'
>  == Manager registered action ParkedCalls
>  == Registered application 'HoldedCall'
>  == Registered application 'AutoanswerLogin'
>  == Registered application 'Autoanswer'
> [res_musiconhold.so] => (Music On Hold Resource)
>  == Parsing '/etc/asterisk/musiconhold.conf': Found
>  == Registered application 'MusicOnHold'
>  == Registered application 'WaitMusicOnHold'
>  == Registered application 'SetMusicOnHold'
> [chan_zap.so]
>
>The ISDN line has been validated, and the ISDN is known to work. I've searched in the archives, wiki, and can't see what's wrong.
>If anyone has an advice, it will be greatly appreciated.
>
>Nicolas Olivier
>
>
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