On Tue, Jun 24, 2014 at 1:22 PM, mayamatakeshi <mayamatakeshi@gmail.com> wrote:
Thanks, yes, it was the same problem:
futex(0x7f4732b32e6c, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x7f4732b32e68, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x7f4732b32ec0, FUTEX_WAKE_PRIVATE, 1) = 1
I can see Torsten created a ticket for this and Anthony already solved it: https://jira.freeswitch.org/browse/FS-6424
Sorry, my mistake (I am dealing with other issues and got things mixed up). Actually Peter opened this ticket: https://jira.freeswitch.org/browse/FS-6625
Regards, Takeshi
On Mon, Jun 23, 2014 at 7:55 PM, Steven Ayre <steveayre@gmail.com> wrote:
Someone else on the list reported a similar startup issue on the list today ('Peter'). Possibly the cause is the same. The strace he did seemed to show it stuck on a futex, which might explain the high CPU usage you're seeing.
Can you run freeswitch through strace and see if you're seeing the same.
On 23 June 2014 11:04, mayamatakeshi <mayamatakeshi@gmail.com> wrote:
I tried using gcore but it got frozen too (and now I realize FS is consuming 95% of the CPU time so probably it entered an infinite loop). But i can see gcore is just a wrapper for gdb so I can check its man page and try other things. Thanks for the tip.
On Mon, Jun 23, 2014 at 5:53 PM, Steven Ayre <steveayre@gmail.com> wrote:
Since it's running through gdb you could get slightly different behaviour, because timing etc is different.
Try collecting a coredump of the program while it's frozen using 'gcore' then open that coredump using gdb. You'll be able to inspect the backtrace to find out exactly what FS was running (ie waiting on) while frozen.
On 23 June 2014 09:24, mayamatakeshi <mayamatakeshi@gmail.com> wrote:
I am testing latest commit b21f34bffc with CentOS 6.5.
FS gets stuck at this point during startup:
# ./freeswitch -nonat 2014-06-23 17:16:34.231865 [INFO] switch_event.c:670 Activate Eventing Engine. 2014-06-23 17:16:34.232154 [WARNING] switch_event.c:652 Create additional event dispatch thread 0
So I tried to run it under gdb, but when i do 'r -nonat' in the gdb cli, FS doesn't get stuck and starts properly (i get the FS CLI and I am able to execute commands in it).
Any idea why would this be?
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