Hi, on top of v1.8.8?
@Yann: should i use V7 or V6? Stefan Am 19.01.2017 um 14:56 schrieb Stefan Eissing: > Stefan, > > could you check if the attached patch mitigates the problem at least to some > extend? Was suggested to me by Yann, all faults are mine. Thanks! > > Cheers, Stefan > > > > > >> Am 19.01.2017 um 12:45 schrieb Stefan Priebe - Profihost AG >> <s.pri...@profihost.ag>: >> >> Am 19.01.2017 um 11:56 schrieb Stefan Eissing: >>> Stefan, >>> >>> yes, that is a known one that was addressed in v1.8.7. But I think it is >>> related to the others. There is some mistake in my thinking about session >>> pool cleanup that is more often uncovered by Yann's recent patches. I'll >>> need some deep dive into this one. >>> >>> For you, that means v1.8.8 is the best right now. Hopefully we'll find this >>> soon. >> >> But v1.8.8 is def. more often crashing than v1.8.3 which is included in >> apache 2.4.25. >> >> With v.8.8 i see crashes like these which i don't have with 1.8.3: >> (gdb) bt >> #0 0x00007f6b5f9fef23 in apr_brigade_length () from >> /usr/lib/x86_64-linux-gnu/libaprutil-1.so.0 >> #1 0x000000000052afb6 in h2_util_bb_avail () >> #2 0x00000000407e7a10 in ?? () >> #3 0x00007f6b407e7a8c in ?? () >> #4 0x00007f6b407e7a90 in ?? () >> #5 0x00007f6b3e608668 in ?? () >> #6 0x0000000000000000 in ?? () >> >> Greets, >> Stefan >> >>> >>> Cheers, >>> >>> Stefan >>> >>>> Am 19.01.2017 um 11:39 schrieb Stefan Priebe - Profihost AG >>>> <s.pri...@profihost.ag>: >>>> >>>> Hi, >>>> >>>> with V7 and mod_http2 core i'm always seeing exactly THIS trace and >>>> instead of every few minutes just once an hour: >>>> >>>> [Thread debugging using libthread_db enabled] >>>> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". >>>> Core was generated by `/usr/local/apache2/bin/httpd -k start'. >>>> Program terminated with signal SIGSEGV, Segmentation fault. >>>> #0 0x0000000000521d98 in h2_stream_out_prepare () >>>> (gdb) bt >>>> #0 0x0000000000521d98 in h2_stream_out_prepare () >>>> #1 0x00007fb65bfeea80 in ?? () >>>> #2 0x00007fb65bfeea8c in ?? () >>>> #3 0x00007fb65bfeea90 in ?? () >>>> #4 0x00007fb6599100a0 in ?? () >>>> #5 0x00007fb659910f70 in ?? () >>>> #6 0x00007fb65bfeeac0 in ?? () >>>> #7 0x0000000000000000 in ?? () >>>> >>>> not all the others like with v1.8.8. So may this be a different one? >>>> >>>> Stefan >>>> >>>> Am 19.01.2017 um 09:21 schrieb Stefan Priebe - Profihost AG: >>>>> And another one: >>>>> >>>>> #0 0x00007f7d81ba1f23 in apr_brigade_length () from >>>>> /usr/lib/x86_64-linux-gnu/libaprutil-1.so.0 >>>>> (gdb) bt >>>>> #0 0x00007f7d81ba1f23 in apr_brigade_length () from >>>>> /usr/lib/x86_64-linux-gnu/libaprutil-1.so.0 >>>>> #1 0x000000000052a8bc in h2_util_bb_avail () >>>>> #2 0x000000007112ca10 in ?? () >>>>> #3 0x00007f7d7112ca8c in ?? () >>>>> #4 0x00007f7d7112ca90 in ?? () >>>>> #5 0x00007f7d60a4bad0 in ?? () >>>>> #6 0x0000000000000000 in ?? () >>>>> Am 19.01.2017 um 09:20 schrieb Stefan Priebe - Profihost AG: >>>>>> 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.pri...@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 >>>>>> >>> >>> Stefan Eissing >>> >>> <green/>bytes GmbH >>> Hafenstrasse 16 >>> 48155 Münster >>> www.greenbytes.de >>> > > Stefan Eissing > > <green/>bytes GmbH > Hafenstrasse 16 > 48155 Münster > www.greenbytes.de >