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From Stefan Priebe - Profihost AG <s.pri...@profihost.ag>
Subject Re: mod_http2 and Frequent wake-ups for mpm_event
Date Thu, 19 Jan 2017 15:47:37 GMT
arg sorry my fault.

Here is a complete trace:
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007fc1c23e0f23 in apr_brigade_length () from
/usr/lib/x86_64-linux-gnu/libaprutil-1.so.0
(gdb) bt
#0  0x00007fc1c23e0f23 in apr_brigade_length () from
/usr/lib/x86_64-linux-gnu/libaprutil-1.so.0
#1  0x000000000052a8f1 in h2_util_bb_avail ()
#2  0x0000000000521eaa in h2_stream_out_prepare ()
#3  0x000000000051a55a in on_stream_resume ()
#4  0x000000000050bdff in h2_mplx_dispatch_master_events ()
#5  0x000000000051dc32 in h2_session_process ()
#6  0x0000000000500115 in h2_conn_run ()
#7  0x0000000000504b51 in h2_h2_process_conn ()
#8  0x000000000047cb19 in ap_run_process_connection ()
#9  0x000000000055e755 in process_socket ()
#10 0x0000000000560f5c in worker_thread ()
#11 0x00007fc1c1f8d0a4 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#12 0x00007fc1c1cc262d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Stefan

Am 19.01.2017 um 16:45 schrieb Stefan Priebe - Profihost AG:
> 
> Am 19.01.2017 um 16:34 schrieb Stefan Eissing:
>> Yann might already have asked this: any chance to compile with symbols and get a
more readable stacktrace?
> 
> Yes just tell me how ;-) i'm using dpkg-buildpackage and dh_strip. I've
> no idea why not all symbols are available.
> 
> Do i need to pass a specific option to configure
> 
> Stefan
> 
>>> Am 19.01.2017 um 16:30 schrieb Stefan Priebe - Profihost AG <s.priebe@profihost.ag>:
>>>
>>> With stock 2.4.25 + patch i'm getting this one again:
>>> (gdb) bt
>>> #0  0x0000000000521dcd in h2_stream_out_prepare ()
>>> #1  0x00007fc1a2feca80 in ?? ()
>>> #2  0x00007fc1a2feca8c in ?? ()
>>> #3  0x00007fc1a2feca90 in ?? ()
>>> #4  0x00007fc1a057c0a0 in ?? ()
>>> #5  0x00007fc1a057cdd8 in ?? ()
>>> #6  0x00007fc1a2fecac0 in ?? ()
>>> #7  0x0000000000000000 in ?? ()
>>>
>>> Stefan
>>>
>>> Am 19.01.2017 um 16:28 schrieb Stefan Priebe - Profihost AG:
>>>> I'm now testing stock 2.4.25 + patch.
>>>>
>>>> May this configure option have an influence?
>>>> --enable-nonportable-atomics=yes
>>>>
>>>> Greets,
>>>> Stefan
>>>>
>>>> Am 19.01.2017 um 15:35 schrieb Yann Ylavic:
>>>>> Hi,
>>>>>
>>>>> On Thu, Jan 19, 2017 at 3:00 PM, Stefan Priebe - Profihost AG
>>>>> <s.priebe@profihost.ag> wrote:
>>>>>>
>>>>>> @Yann:
>>>>>> should i use V7 or V6?
>>>>>
>>>>> I'd prefer you'd use none (such that we can verify the patch with
>>>>> stock 2.4.25, modulo mod_http2), but if it's easier for you to
>>>>> reproduce with an event's patch, please use the v6 (and if it fails
>>>>> then v7, and if it fails then no patch, really).
>>>>>
>>
>> Stefan Eissing
>>
>> <green/>bytes GmbH
>> Hafenstrasse 16
>> 48155 M√ľnster
>> www.greenbytes.de
>>

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