---------- Forwarded message --------- 发件人： NUAA无痕 <[email protected]> Date: 2022年5月25日周三 16:37 Subject: Re: [vpp-dev] hoststack-java netty segmentfault To: Florin Coras <[email protected]>
hi, Florin yes, im use LDP + java, i hava tested java socket, it works fine! i think jvm also use libc.so, so i guess java socket will translate to c socket, it is now i m use LDP for netty,but it segmentfault vpp version is 2101 this is info Thread 17 "nioEventLoopGro" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7f977571d0 (LWP 7042)] 0x0000007fb7d998a8 in svm_fifo_del_want_deq_ntf (f=0x0, ntf_type=2 '\002') at /home/wanghe/ZFP-2101/src/svm/svm_fifo.h:770 770 f->want_deq_ntf &= ~ntf_type; (gdb) bt #0 0x0000007fb7d998a8 in svm_fifo_del_want_deq_ntf (f=0x0, ntf_type=2 '\002') at /home/wanghe/ZFP-2101/src/svm/svm_fifo.h:770 #1 0x0000007fb7da6ba0 in vppcom_epoll_ctl (vep_handle=1, op=3, session_handle=10, event=0x7f97755c68) at /home/wanghe/ZFP-2101/src/vcl/vppcom.c:2740 #2 0x0000007fb7dc02f0 in vls_epoll_ctl (ep_vlsh=0, op=3, vlsh=9, event=0x7f97755c68) at /home/wanghe/ZFP-2101/src/vcl/vcl_locked.c:1293 #3 0x0000007fb7fbc390 in epoll_ctl (epfd=128, op=3, fd=137, event=0x7f97755c68) at /home/wanghe/ZFP-2101/src/vcl/ldp.c:2294 #4 0x0000007fa8135b1c in Java_sun_nio_ch_EPollArrayWrapper_epollCtl () from /usr/lib/jvm/java-8-openjdk-arm64/jre/lib/aarch64/libnio.so #5 0x0000007f9c08f49c in ?? () Backtrace stopped: previous frame identical to this frame (corrupt stack?) this may a bug, if vpp can support java, it will very good i need to enhance java web performance best wish Florin Coras <[email protected]> 于2022年5月22日周日 06:43写道： > Hi, > > Are you trying to use LDP + java? I suspect that has never been tested and > I’d be surprised if it worked. > > Regards, > Florin > > > On May 20, 2022, at 2:18 AM, NUAA无痕 <[email protected]> wrote: > > > > hi， vpp expert > > im use vpp hoststack for java netty > > but it segmentfault, reason is epoll use svm_fifo_t is null > > can u give some suggestion,thank u > > > > > > > > > >
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