Re: segfault at 0 ... error 4 in curl-loader

[bnoble <bn...@gm...>]

Robert,

Same result with 0.49, only sooner. ~136 clients.

(gdb) bt
#0  0x000000000043e70a in Curl_done ()
#1  0x00000000004262e7 in multi_runsingle ()
#2  0x0000000000426b55 in curl_multi_perform ()
#3  0x0000000000427422 in multi_socket ()
#4  0x0000000000427bf4 in curl_multi_socket_all ()
#5  0x0000000000410917 in mperform_hyper (bctx=0x7fff4c572da0,
still_running=0x7fb77547efa4) at loader_hyper.c:667
#6  0x000000000041027c in next_load_cb_hyper (fd=-1, kind=1,
userp=0x7fff4c572da0) at loader_hyper.c:398
#7  0x000000000045e146 in event_process_active (base=0x7fb771a1c950)
at event.c:392
#8  0x000000000045e483 in event_base_loop (base=0x7fb771a1c950,
flags=0) at event.c:544
#9  0x000000000045e1a6 in event_base_dispatch
(event_base=0x7fb771a1c950) at event.c:412
#10 0x00000000004106f1 in mget_url_hyper (bctx=0x7fff4c572da0) at
loader_hyper.c:567
#11 0x000000000041060c in user_activity_hyper
(cctx_array=0x7fb777acb010) at loader_hyper.c:506
#12 0x000000000040a952 in batch_function (batch_data=0x7fff4c572da0)
at loader.c:333
#13 0x00007fb777692070 in ?? ()
#14 0x0000000000000000 in ?? ()
(gdb) up
#1  0x00000000004262e7 in multi_runsingle ()
Current language:  auto; currently asm
(gdb) up
#2  0x0000000000426b55 in curl_multi_perform ()
(gdb) up
#3  0x0000000000427422 in multi_socket ()
(gdb) up
#4  0x0000000000427bf4 in curl_multi_socket_all ()
(gdb) up
#5  0x0000000000410917 in mperform_hyper (bctx=0x7fff4c572da0,
still_running=0x7fb77547efa4) at loader_hyper.c:667
667           while (CURLM_CALL_MULTI_PERFORM ==
Current language:  auto; currently c
(gdb) up
#6  0x000000000041027c in next_load_cb_hyper (fd=-1, kind=1,
userp=0x7fff4c572da0) at loader_hyper.c:398
398       mperform_hyper (bctx, &st);
(gdb) up
#7  0x000000000045e146 in event_process_active (base=0x7fb771a1c950)
at event.c:392
392                             (*ev->ev_callback)((int)ev->ev_fd,
ev->ev_res, ev->ev_arg);
(gdb) up
#8  0x000000000045e483 in event_base_loop (base=0x7fb771a1c950,
flags=0) at event.c:544
544                             event_process_active(base);
(gdb) up
#9  0x000000000045e1a6 in event_base_dispatch
(event_base=0x7fb771a1c950) at event.c:412
412       return (event_base_loop(event_base, 0));
(gdb) up
#10 0x00000000004106f1 in mget_url_hyper (bctx=0x7fff4c572da0) at
loader_hyper.c:567
567       event_base_dispatch((struct event_base *) bctx->eb);
(gdb) up
#11 0x000000000041060c in user_activity_hyper
(cctx_array=0x7fb777acb010) at loader_hyper.c:506
506       if (mget_url_hyper (bctx) == -1)
(gdb) up
#12 0x000000000040a952 in batch_function (batch_data=0x7fff4c572da0)
at loader.c:333
333       rval = ua_array[loading_mode] (bctx->cctx_array);
(gdb) up

Thanks.

On Tue, Dec 1, 2009 at 1:56 PM, Robert Iakobashvili <cor...@gm...> wrote:
> Hi,
>
> Better try 0.48 and 0.49.
> Thanks!
>
> On Tue, Dec 1, 2009 at 11:52 PM, bnoble <bn...@gm...> wrote:
>>
>> Hello,
>>
>> Started with curl-loader-0.50, just went to the last stable release,
>> curl-loader-0.44, made it with "optimize=1 debug=0", tuned my TCP
>> settings, again, coredumps.  Do you think I'd have better luck with
>> 0.49?
>>
>> Thanks!
>>
>> On Tue, Dec 1, 2009 at 1:43 PM, Robert Iakobashvili <cor...@gm...>
>> wrote:
>> > Hi,
>> >
>> > On Tue, Dec 1, 2009 at 11:21 PM, bnoble <bn...@gm...> wrote:
>> >>
>> >> > Core was generated by `curl-loader -t 4 -f
>> >> > /home/support/curl-loader/curl-loader-0.50/conf-examples/ht'.
>> >> > Program terminated with signal 11, Segmentation fault.
>> >> > #0  0x0000000000437de0 in Curl_done ()
>> >> > (gdb) bt
>> >> > #0  0x0000000000437de0 in Curl_done ()
>> >> > #1  0x0000000000426a32 in multi_runsingle ()
>> >> > #2  0x0000000000426e5f in curl_multi_perform ()
>> >> > #3  0x0000000000428629 in curl_multi_socket_all ()
>> >> > #4  0x0000000000411bfa in mperform_hyper (bctx=0x7fffff4aa410,
>> >> > still_running=0x7ff32f33de94) at loader_hyper.c:683
>> >> > #5  0x0000000000411520 in next_load_cb_hyper (fd=-1, kind=1,
>> >> > userp=0x7fffff4aa410) at loader_hyper.c:398
>> >> > #6  0x00000000004648f8 in event_base_loop ()
>> >> > #7  0x0000000000411995 in mget_url_hyper (bctx=0x7fffff4aa410) at
>> >> > loader_hyper.c:567
>> >> > #8  0x00000000004118b0 in user_activity_hyper
>> >> > (cctx_array=0x7ff330b42010) at loader_hyper.c:506
>> >> > #9  0x000000000040aadf in batch_function (batch_data=0x7fffff4aa410)
>> >> > at loader.c:345
>> >> > #10 0x00007ff331d52070 in start_thread () from /lib64/libpthread.so.0
>> >> > #11 0x00007ff3310db11d in clone () from /lib64/libc.so.6
>> >> > #12 0x0000000000000000 in ?? ()
>> >> > (gdb) up
>> >> > #9  0x000000000040aadf in batch_function (batch_data=0x7fffff4aa410)
>> >> > at loader.c:345
>> >> > 345       rval = ua_array[loading_mode] (bctx->cctx_array);
>> >> > (gdb) up
>> >> > #10 0x00007ff331d52070 in start_thread () from /lib64/libpthread.so.0
>> >> > (gdb) up
>> >> > #11 0x00007ff3310db11d in clone () from /lib64/libc.so.6
>> >> > (gdb) up
>> >> > #12 0x0000000000000000 in ?? ()
>> >> > (gdb) up
>> >> >
>> >> >
>> >
>> > Can you try some previous version, e.g 0.49 ?
>> > Thanks!
>> >
>> > On my side I am looking at libcurl recent bug fixes, since it may be
>> > some
>> > issue
>> > in Curl_done () or something in libevent
>> >
>> > --
>> > Truly,
>> > Robert Iakobashvili, Ph.D.
>> > ......................................................................
>> > www.ghotit.com
>> > Assistive technology that understands you
>> > ......................................................................
>> >
>> >
>> > ------------------------------------------------------------------------------
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>>
>>
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>
>
>
> --
> Truly,
> Robert Iakobashvili, Ph.D.
> ......................................................................
> www.ghotit.com
> Assistive technology that understands you
> ......................................................................
>
> ------------------------------------------------------------------------------
> Join us December 9, 2009 for the Red Hat Virtual Experience,
> a free event focused on virtualization and cloud computing.
> Attend in-depth sessions from your desk. Your couch. Anywhere.
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