<meta http-equiv="Content-Type" content="text/html; charset=GB18030"><div>Dear developers and users,</div><div><br></div><div>I tried to run GPU version of QE for electron phonon coupling calculation on an a100 card. The structure relaxation and self-consistent calculation are successful. However, when I did phonon calculation, my job crashed with a strange error:</div><div><br></div><div>##################</div><div><div>[m005:65520:0:65520] Caught signal 11 (Segmentation fault: address not mapped to object at address 0xfffffffffffffffc)</div><div><br></div><div>/fs08/home/js_luqing/src/qe-7.2/PHonon/PH/phq_setup.f90: [ phq_setup_() ]</div><div>      ...</div><div>      322   !     nat_todo, atomo, comp_irr</div><div>      323 </div><div>      324   DO irr=0,nirr</div><div>==>   325      comp_irr(irr)=comp_irr_iq(irr,current_iq)</div><div>      326      IF (elph .AND. irr>0) comp_elph(irr)=comp_irr(irr)</div><div>      327   ENDDO</div><div>      328   !</div><div><br></div><div>==== backtrace (tid:  65520) ====</div><div> 0 0x00000000004a2780 phq_setup_()  /fs08/home/js_luqing/src/qe-7.2/PHonon/PH/phq_setup.f90:325</div><div> 1 0x00000000004700e1 initialize_ph_()  /fs08/home/js_luqing/src/qe-7.2/PHonon/PH/initialize_ph.f90:79</div><div> 2 0x000000000041a811 do_phonon_()  /fs08/home/js_luqing/src/qe-7.2/PHonon/PH/do_phonon.f90:100</div><div> 3 0x0000000000413d25 MAIN_()  /fs08/home/js_luqing/src/qe-7.2/PHonon/PH/phonon.f90:78</div><div> 4 0x0000000000413c71 main()  ???:0</div><div> 5 0x0000000000022555 __libc_start_main()  ???:0</div><div> 6 0x000000000040cd8d _start()  ???:0</div><div>=================================</div><div>[m005:65520] *** Process received signal ***</div><div>[m005:65520] Signal: Segmentation fault (11)</div><div>[m005:65520] Signal code:  (-6)</div><div>[m005:65520] Failing at address: 0x6a80000fff0</div><div>[m005:65520] [ 0] /lib64/libpthread.so.0(+0xf630)[0x2ac4edf09630]</div><div>[m005:65520] [ 1] /fs08/home/js_luqing/src/qe-7.2/bin/ph.x[0x4a2780]</div><div>[m005:65520] [ 2] /fs08/home/js_luqing/src/qe-7.2/bin/ph.x[0x4700e1]</div><div>[m005:65520] [ 3] /fs08/home/js_luqing/src/qe-7.2/bin/ph.x[0x41a811]</div><div>[m005:65520] [ 4] /fs08/home/js_luqing/src/qe-7.2/bin/ph.x[0x413d25]</div><div>[m005:65520] [ 5] /fs08/home/js_luqing/src/qe-7.2/bin/ph.x[0x413c71]</div><div>[m005:65520] [ 6] /lib64/libc.so.6(__libc_start_main+0xf5)[0x2ac4ee9e7555]</div><div>[m005:65520] [ 7] /fs08/home/js_luqing/src/qe-7.2/bin/ph.x[0x40cd8d]</div><div>[m005:65520] *** End of error message ***</div><div>--------------------------------------------------------------------------</div><div>Primary job  terminated normally, but 1 process returned</div><div>a non-zero exit code. Per user-direction, the job has been aborted.</div><div>--------------------------------------------------------------------------</div><div>--------------------------------------------------------------------------</div><div>mpirun noticed that process rank 0 with PID 0 on node m005 exited on signal 11 (Segmentation fault).</div></div><div>#########################</div><div><br></div><div>I am not an expert of coding, but it seems like the line 325 wasn't recognized, which is fairly strange. I don't know how to solve this problem, and I am glad if anyone can help me.</div><div><br></div><div>Yours,</div><div>Qing Lu</div><div><hr align="left" style="margin: 0 0 10px 0;border: 0;border-bottom:1px solid #E4E5E6;height:0;line-height:0;font-size:0;padding: 20px 0 0 0;width: 50px;"><div style="font-size:14px;font-family:Verdana;color:#000;"><a class="xm_write_card" id="in_alias" style="white-space: normal; display: inline-block; text-decoration: none !important;font-family: -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei;" href="https://wx.mail.qq.com/home/index?t=readmail_businesscard_midpage&nocheck=true&name=lq1998&icon=http%3A%2F%2Fthirdqq.qlogo.cn%2Fg%3Fb%3Doidb%26k%3DnAlU7tDw3a3nocdsLBEZ0w%26kti%3DZSIdLwAAAAA%26s%3D640%26t%3D1608227631&mail=1148330678%40qq.com&code=vu-r6llqRDfPnVFzvkV9IDNZDyJF2SqLzDMX6V3ESnRliznjLXDgHW0qv6MBvKBkTl_-0re_DZnkyIqf97_KKw" target="_blank"><table style="white-space: normal;table-layout: fixed; padding-right: 20px;" contenteditable="false" cellpadding="0" cellspacing="0"><tbody><tr valign="top"><td style="width: 40px;min-width: 40px; padding-top:10px"><div style="width: 38px; height: 38px; border: 1px #FFF solid; border-radius:50%; margin: 0;vertical-align: top;box-shadow: 0 0 10px 0 rgba(127,152,178,0.14);"><img src="http://thirdqq.qlogo.cn/g?b=oidb&k=nAlU7tDw3a3nocdsLBEZ0w&kti=ZSIdLwAAAAA&s=640&t=1608227631" style="width:100%;border-radius:50%;pointer-events: none;"></div></td><td style="padding: 10px 0 8px 10px;"><div class="businessCard_name" style="font-size: 14px;color: #33312E;line-height: 20px; padding-bottom: 2px; margin:0;font-weight: 500;">lq1998</div><div class="businessCard_mail" style="font-size: 12px;color: #999896;line-height: 18px; margin:0;">1148330678@qq.com</div></td></t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