[Serusers] request queue

[kcassidy at kakelma.mine.nu]

Hi Andrei,

  I dunno if this will confuse you or not.  I run the gdb a couple of 
times on different instances when the queue gets filled and it shows 
different traces.  

See below.


0  0xffffe002 in ?? ()
#1  0x0805931c in main_loop ()
#2  0x0805b1e2 in main ()
#3  0x42015574 in ?? ()
(gdb) bt
#0  0xffffe002 in ?? ()
#1  0x0805931c in main_loop ()
#2  0x0805b1e2 in main ()
#3  0x42015574 in ?? ()
(gdb) bt
#0  0xffffe002 in ?? ()
#1  0x0805931c in main_loop ()
#2  0x0805b1e2 in main ()
#3  0x42015574 in ?? ()
(gdb) bt
#0  0xffffe002 in ?? ()
#1  0x0805931c in main_loop ()
#2  0x0805b1e2 in main ()
#3  0x42015574 in ?? ()
(gdb) bt
#0  0xffffe002 in ?? ()
#1  0x0805931c in main_loop ()
#2  0x0805b1e2 in main ()
#3  0x42015574 in ?? ()



#0  0xffffe002 in ?? ()
#1  0x4003f6d4 in ?? ()
#2  0x4003ecb5 in ?? ()
#3  0x4003dc07 in ?? ()
#4  0x4003e35b in ?? ()
#5  0x4003df22 in ?? ()
#6  0x4003e26a in ?? ()
#7  0x4003d7ac in ?? ()
#8  0x080695a3 in sip_resolvehost ()
#9  0x0806a0c4 in free_rdata_list ()
#10 0x08066523 in free_proxy ()
#11 0x40056f91 in ?? ()
#12 0x400561b6 in ?? ()
#13 0x40056873 in ?? ()
#14 0x4005525c in ?? ()
#15 0x4005d762 in ?? ()
#16 0x0804e35f in do_action ()
#17 0x0804f97c in run_actions ()
#18 0x0806d183 in print_expr ()
#19 0x0806bb4b in push ()
#20 0x0806bb1e in push ()
#21 0x0804e24b in do_action ()
#22 0x0804f97c in run_actions ()
#23 0x0804e11f in do_action ()
#24 0x0804f97c in run_actions ()
#25 0x08068ee7 in get_record ()
#26 0x08075e2f in fm_status ()
#27 0x0805970e in add_interfaces ()
#28 0x0805b1e2 in main ()
#29 0x42015574 in ?? ()



#0  0xffffe002 in ?? ()
#1  0x4003f6d4 in ?? ()
#2  0x4003ecb5 in ?? ()
#3  0x4003dc07 in ?? ()
#4  0x4003e35b in ?? ()
#5  0x4003df22 in ?? ()
#6  0x4003e26a in ?? ()
#7  0x4003d7ac in ?? ()
#8  0x080695a3 in sip_resolvehost ()
#9  0x0806a0c4 in free_rdata_list ()
#10 0x08066523 in free_proxy ()
#11 0x40056f91 in ?? ()
#12 0x400561b6 in ?? ()
#13 0x40056873 in ?? ()
#14 0x4005525c in ?? ()
#15 0x4005d762 in ?? ()
#16 0x0804e35f in do_action ()
#17 0x0804f97c in run_actions ()
#18 0x0806d183 in print_expr ()
#19 0x0806bb4b in push ()
#20 0x0806bb1e in push ()
#21 0x0804e24b in do_action ()
#22 0x0804f97c in run_actions ()
#23 0x0804e11f in do_action ()
#24 0x0804f97c in run_actions ()
#25 0x08068ee7 in get_record ()
#26 0x08075e2f in fm_status ()
#27 0x0805970e in add_interfaces ()
#28 0x0805b1e2 in main ()
#29 0x42015574 in ?? ()




#0  0xffffe002 in ?? ()
#1  0x4206d2dc in ?? ()
#2  0x4206fa7d in ?? ()
#3  0x4206f72d in ?? ()
#4  0x42062ed8 in ?? ()
#5  0x42062dd3 in ?? ()
#6  0x42061b95 in ?? ()
#7  0x08051ef4 in read_line_set ()
#8  0x080536be in destroy_fifo ()
#9  0x08052c20 in open_fifo_server ()
#10 0x080592b5 in main_loop ()
#11 0x0805b1e2 in main ()
#12 0x42015574 in ?? ()


#0  0xffffe002 in ?? ()
#1  0x080723cf in tcpconn_put ()
#2  0x080594bc in main_loop ()
#3  0x0805b1e2 in main ()
#4  0x42015574 in ?? ()

#0  0xffffe002 in ?? ()
#1  0x080723cf in tcpconn_put ()
#2  0x080594bc in main_loop ()
#3  0x0805b1e2 in main ()
#4  0x42015574 in ?? ()






On Tue, 15 Mar 2005, Andrei Pelinescu-Onciul wrote:

> On Mar 15, 2005 at 16:42, kcassidy at kakelma.mine.nu <kcassidy at kakelma.mine.nu> wrote:
> > Hi All,
> > 
> >   I have a strange problem with my ser-0.8.14.  I noticed that sometimes 
> > it's very slow in responding to requests (e.g. INVITES).  After tinkering 
> > around, I saw my UDP queue gets filled up (netstat -an). The only fix I 
> > have right now is to restart the process.  Then the problem will come up 
> > again around 1-2 days.  I have around 40 registered users, and tried 
> > setting  the  children parameter in ser.cfg to different numbers like 4,6, 
> > and 10.  But  still having the problem.
> 
> A possible cause could be blocking dns lookups.
> 
> 
> When you see the queues fill up again try to attach with gdb to the
> corresponding ser process (gdb ser pid).  You can see the pid using
> netstat -anp. Send me the output of the bt (gdb command). It should tell
> what that ser process is doing.
> 
> Also for debugging run it with very few children (2, 3). If it's
> something that blocks the processes, this should make it happen faster
> :-)
> 
> 
> Andrei
>