Oct 27 13:09:13 systemd-coredump[18728]: Process 18726 (SQW01) of user 1003 dumped core. Stack trace of thread 18726: #0 0x00007f359c084700 n/a (n/a) #1 0x00007f35873d6fe6 _unix_run_helper_binary (pam_unix.so) #2 0x00007f35873d7f9f _unix_blankpasswd (pam_unix.so) #3 0x00007f35873d5534 pam_sm_authenticate (pam_unix.so) #4 0x00007f359c32b104 _pam_dispatch_aux (libpam.so.0) #5 0x00007f359c32a9d3 pam_authenticate (libpam.so.0) #6 0x00007f359c6c2ed0 AuthEntry (VBoxAuth.so) #7 0x0000000000409892 _ZN17WebServiceSession12authenticateEPKcS1_PP11IVirtualBox (vboxwebsrv) #8 0x000000000040c6ed _Z38__vbox__IWebsessionManager_USCORElogonP4soapP37_vbox__IWebsessionManager_USCORElogonP45_vbox__IWebsessionManager_USCORElogonResponse (vboxwebsrv) #9 0x000000000063d308 _Z49soap_serve___vbox__IWebsessionManager_USCORElogonP4soap (vboxwebsrv) #10 0x00000000006725c0 soap_serve (vboxwebsrv) #11 0x000000000040a5e5 _ZN10SoapThread7processEv (vboxwebsrv) #12 0x000000000040e85c _ZN10SoapThread10fntWrapperEP11RTTHREADINTPv (vboxwebsrv) #13 0x00007f35b2035bcc rtThreadMain (VBoxRT.so) #14 0x00007f35b20c749a _ZL18rtThreadNativeMainPv (VBoxRT.so) #15 0x00007f35b1cdf594 start_thread (libpthread.so.0) #16 0x00007f35b0a54e6f __clone (libc.so.6) Oct 27 13:09:13 systemd-coredump[18731]: Process 18729 (SQW01) of user 1003 dumped core. Stack trace of thread 18729: #0 0x00007f359c084700 n/a (n/a) #1 0x00007f35873d6fe6 _unix_run_helper_binary (pam_unix.so) #2 0x00007f35873d82c2 _unix_verify_password (pam_unix.so) #3 0x00007f35873d5635 pam_sm_authenticate (pam_unix.so) #4 0x00007f359c32b104 _pam_dispatch_aux (libpam.so.0) #5 0x00007f359c32a9d3 pam_authenticate (libpam.so.0) #6 0x00007f359c6c2ed0 AuthEntry (VBoxAuth.so) #7 0x0000000000409892 _ZN17WebServiceSession12authenticateEPKcS1_PP11IVirtualBox (vboxwebsrv) #8 0x000000000040c6ed _Z38__vbox__IWebsessionManager_USCORElogonP4soapP37_vbox__IWebsessionManager_USCORElogonP45_vbox__IWebsessionManager_USCORElogonResponse (vboxwebsrv) #9 0x000000000063d308 _Z49soap_serve___vbox__IWebsessionManager_USCORElogonP4soap (vboxwebsrv) #10 0x00000000006725c0 soap_serve (vboxwebsrv) #11 0x000000000040a5e5 _ZN10SoapThread7processEv (vboxwebsrv) #12 0x000000000040e85c _ZN10SoapThread10fntWrapperEP11RTTHREADINTPv (vboxwebsrv) #13 0x00007f35b2035bcc rtThreadMain (VBoxRT.so) #14 0x00007f35b20c749a _ZL18rtThreadNativeMainPv (VBoxRT.so) #15 0x00007f35b1cdf594 start_thread (libpthread.so.0) #16 0x00007f35b0a54e6f __clone (libc.so.6) 149345.348934] SQW01[18726]: segfault at 7f359c084700 ip 00007f359c084700 sp 00007f359c9446f8 error 14 in libaudit.so.1.0.0[7f359c0fe000+1e000] [149345.348950] Code: Bad RIP value. [149345.468105] SQW01[18729]: segfault at 7f359c084700 ip 00007f359c084700 sp 00007f359c9446b8 error 14 in libaudit.so.1.0.0[7f359c0fe000+1e000] [149345.468114] Code: Bad RIP value.