[asterisk-ss7] chan_ss7 - unstable link

Wed Aug 6 05:21:33 CDT 2008

> Try 
> 
> 1.0.10
> Zaptel 1.4.9
Thanks for the suggestion, I will let it run on chan_ss7 1.0.10 + zaptel 1.4.9 for a few days to see if the problems still arises.

> Is TE120P - 2 ports card?
TE120P is a single port card.

> What hardware do you use and what PC?
HP Proliant (cant recall the model number) with Intel Dual Xeon 3.06Ghz and 2GB of RAM. BTW, I am using CentOS 5.0, uname -a 
Linux host1 2.6.18-8.el5 #1 SMP Thu Mar 15 19:57:35 EDT 2007 i686 i686 i386 GNU/Linux

> Did you check Interrupts conflict?
cat /proc/interrupts
           CPU0       CPU1
  0:  528769011  528741165    IO-APIC-edge  timer
  8:          1          0    IO-APIC-edge  rtc
  9:          1          0   IO-APIC-level  acpi
 10:          0          0   IO-APIC-level  ohci_hcd:usb1
 14:    1862174    1868810    IO-APIC-edge  ide0
169:  189863438          0   IO-APIC-level  eth0
185:  709744251  708515144   IO-APIC-level  wcte12xp0
NMI:          0          0
LOC: 1057598343 1057598341
ERR:          0
MIS:          0

> Does your kernel compiled with 1000Hz?
In my /boot/config-2.6.18-8.el5 :-
CONFIG_HZ_1000=y
CONFIG_HZ=1000

--- On Wed, 6/8/08, Anton <anton.vazir at gmail.com> wrote:

> From: Anton <anton.vazir at gmail.com>
> Subject: Re: [asterisk-ss7] chan_ss7 - unstable link
> To: yusiang at yahoo.com
> Cc: asterisk-ss7 at lists.digium.com
> Date: Wednesday, 6 August, 2008, 3:22 PM

> 
> Is TE120P - 2 ports card? What hardware do you use and what
> 
> PC? Did you check Interrupts conflict? Does your kernel 
> compiled with 1000Hz?
> 
> On Wednesday 06 August 2008 11:46, Low Yu Siang wrote:
> > chan_ss7  1.0.93
> > Zaptel    1.4.11
> > Asterisk  1.4.15
> > libpri    1.4.3
> > I am using a Digium TE120P.
> >
> > Thanks.
> >
> > --- On Wed, 6/8/08, Anton
> <anton.vazir at gmail.com> wrote:
> > > From: Anton <anton.vazir at gmail.com>
> > > Subject: Re: [asterisk-ss7] chan_ss7 - unstable
> link
> > > To: asterisk-ss7 at lists.digium.com,
> yusiang at yahoo.com
> > > Date: Wednesday, 6 August, 2008, 2:37 PM
> > > Versions of asterisk zaptel and chan_ss7?
> > >
> > > On Wednesday 06 August 2008 11:27, Low Yu Siang
> wrote:
> > > > Hi all,
> > > >
> > > > After running for days(~300 incoming calls),
> the link
> > > > became unstable. Whenever a call is coming
> in, it
> > >
> > > throws
> > >
> > > > the following error messages. This call is
> accepted
> > > > properly but all other calls cant be
> accepted during
> > >
> > > this
> > >
> > > > moment(since the signalling link is already
> down),
> > >
> > > until
> > >
> > > > the link automatically comes up again.
> > > >
> > > > [Aug  6 11:07:43] NOTICE[25980]: mtp.c:1800
> > > > mtp_thread_main: Empty Zaptel output buffer
> detected,
> > > > outgoing packets may have been lost on link
> > >
> > > 'l1'. [Aug  6
> > >
> > > > 11:07:43] NOTICE[25980]: mtp.c:1748
> mtp_thread_main:
> > >
> > > Full
> > >
> > > > Zaptel input buffer detected, incoming
> packets may
> > >
> > > have
> > >
> > > > been lost on link 'l1' (count=64.
> [Aug  6
> > >
> > > 11:07:43]
> > >
> > > > NOTICE[25980]: mtp.c:1015 mtp2_process_lssu:
> Got
> > >
> > > status
> > >
> > > > indication 'OS' while INSERVICE on
> link
> > >
> > > 'l1'. [Aug  6
> > >
> > > > 11:07:43] WARNING[25980]: chan_ss7.c:622
> > >
> > > process_event:
> > > > MTP is now DOWN on link 'l1'. [Aug 
> 6
> > >
> > > 11:07:43]
> > >
> > > > NOTICE[25980]: mtp.c:588 mtp_changeover: MTP
> > >
> > > changeover
> > >
> > > > last_ack=3, last_sent=3, from schannel 16,
> no
> > >
> > > INSERVICE
> > >
> > > > schannel found [Aug  6 11:07:43]
> NOTICE[25980]:
> > >
> > > mtp.c:592
> > >
> > > > mtp_changeover: Failover not possible, no
> other
> > > > signalling link and no other host available.
> [Aug  6
> > > > 11:07:43] WARNING[25980]: chan_ss7.c:622
> > >
> > > process_event:
> > > > MTP is now DOWN on link 'l1'. [Aug 
> 6
> > >
> > > 11:07:43]
> > >
> > > > WARNING[25980]: mtp.c:1931 mtp_thread_main:
> No
> > >
> > > signalling
> > >
> > > > links inservice and no cluster receivers
> alive,
> > >
> > > dropping
> > >
> > > > packet! [Aug  6 11:07:45] NOTICE[25980]:
> mtp.c:1138
> > > > mtp2_good_frame: Sending TRA to peer on link
> > >
> > > 'l1'....
> > >
> > > > [Aug  6 11:07:45] WARNING[25980]:
> chan_ss7.c:618
> > > > process_event: MTP is now UP on link
> 'l1'.
> > > >
> > > > Any help/suggestion would be greatly
> appreciated.
> > > >
> > > > Regards,
> > > > Low Yu Siang
> > >
> > >
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