I meet with some error messages when running 3D refinement with mask for my polished particle in RELION3.1. I have listed the error message below.

[fmb327:1904405] *** Process received signal ***

[fmb327:1904405] Signal: Bus error (7)

[fmb327:1904405] Signal code: Non-existant physical address (2)

[fmb327:1904405] Failing at address: 0x8ebc78

[fmb266:3941791] *** Process received signal ***

[fmb266:3941791] Signal: Bus error (7)

[fmb266:3941791] Signal code: Non-existant physical address (2)

[fmb266:3941791] Failing at address: 0x8ebc78

[fmb256:1030837] *** Process received signal ***

[fmb256:1030837] Signal: Bus error (7)

[fmb256:1030837] Signal code: Non-existant physical address (2)

[fmb256:1030837] Failing at address: 0x8ebc78

[fmb291:1361314] *** Process received signal ***

[fmb291:1361314] Signal: Bus error (7)

[fmb291:1361314] Signal code: Non-existant physical address (2)

[fmb291:1361314] Failing at address: 0x8ebc78

[fmb221:348449] *** Process received signal ***

[fmb221:348449] Signal: Bus error (7)

[fmb221:348449] Signal code: Non-existant physical address (2)

[fmb221:348449] Failing at address: 0x8ebc78

[fmb220:3686421] *** Process received signal ***

[fmb220:3686421] Signal: Bus error (7)

[fmb220:3686421] Signal code: Non-existant physical address (2)

[fmb220:3686421] Failing at address: 0x8ebc78

[fmb311:933496] *** Process received signal ***

[fmb311:933496] Signal: Bus error (7)

[fmb311:933496] Signal code: Non-existant physical address (2)

[fmb311:933496] Failing at address: 0x8ebc78

[fmb273:1581358] *** Process received signal ***

[fmb273:1581358] Signal: Bus error (7)

[fmb273:1581358] Signal code: Non-existant physical address (2)

[fmb273:1581358] Failing at address: 0x8ebc78

[fmb268:405572] *** Process received signal ***

[fmb268:405572] Signal: Bus error (7)

[fmb268:405572] Signal code: Non-existant physical address (2)

[fmb268:405572] Failing at address: 0x8ebc78

[fmb353:211050] *** Process received signal ***

[fmb353:211050] Signal: Bus error (7)

[fmb353:211050] Signal code: Non-existant physical address (2)

[fmb353:211050] Failing at address: 0x8ebc78

[fmb332:2463337] *** Process received signal ***

[fmb332:2463337] Signal: Bus error (7)

[fmb332:2463337] Signal code: Non-existant physical address (2)

[fmb332:2463337] Failing at address: 0x8ebc78

[fmb357:1426172] *** Process received signal ***

[fmb357:1426172] Signal: Bus error (7)

[fmb357:1426172] Signal code: Non-existant physical address (2)

[fmb357:1426172] Failing at address: 0x8ebc78

[fmb146:3836935] *** Process received signal ***

[fmb146:3836935] Signal: Bus error (7)

[fmb146:3836935] Signal code: Non-existant physical address (2)

[fmb146:3836935] Failing at address: 0x8ebc78

[fmb195:3349387] *** Process received signal ***

[fmb195:3349387] Signal: Bus error (7)

[fmb195:3349387] Signal code: Non-existant physical address (2)

[fmb195:3349387] Failing at address: 0x8ebc78

Best regards

Qin