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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 08:20:18 GMT
Hi,
Am 19.01.2017 um 09:11 schrieb Yann Ylavic:
> On Thu, Jan 19, 2017 at 9:05 AM, Stefan Priebe - Profihost AG
> <s.priebe@profihost.ag> wrote:
>> With a vanilla  apache 2.4.25 i got this one:
>>
>> Core was generated by `/usr/local/apache2/bin/httpd -k start'.
>> Program terminated with signal SIGSEGV, Segmentation fault.
>> #0  0x00007fe2bb7b8add in read () from /lib/x86_64-linux-gnu/libpthread.so.0
>> (gdb) bt
>> #0  0x00007fe2bb7b8add in read () from /lib/x86_64-linux-gnu/libpthread.so.0
>> #1  0x000000000048043a in ap_mpm_podx_check ()
>> #2  <signal handler called>
>> #3  0x000000004b351bd0 in ?? ()
>> Cannot access memory at address 0x0
> 
> This is probably not the faulting thread, could you find it with
> "thread apply all bt" or paste the whole output please?

ah i found it via thread apply all bt:

(gdb) bt
#0  0x0000000000521d98 in h2_stream_out_prepare ()
#1  0x00007f5cbdfeaa80 in ?? ()
#2  0x00007f5cbdfeaa8c in ?? ()
#3  0x00007f5cbdfeaa90 in ?? ()
#4  0x00007f5cb97ec0a0 in ?? ()
#5  0x00007f5cb97ec988 in ?? ()
#6  0x00007f5cbdfeaac0 in ?? ()
#7  0x0000000000000000 in ?? ()

this is with a vanilla 2.4.25.

Greets,
Stefan

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