Looks there are other translation fault issue on arm64, and the following fault is triggered when I run a stress-ng built from your tree just before, and kernel is v4.2.
ubuntu@ubuntu:~/stress-ng$ ./stress-ng --all 8 -t 10 [90392.210285] stress-ng[2513]: unhandled level 3 translation fault (11) at 0x0072c00c, esr 0x92000007 [90392.318907] pgd = ffffffc0ae2ad000 [90392.359708] [0072c00c] *pgd=00000040ed199003, *pud=00000040ed199003, *pmd=00000040e9b0a003, *pte=0000000000000000 [90392.483330] [90392.501080] CPU: 3 PID: 2513 Comm: stress-ng Not tainted 4.2.0 #63 [90392.575261] Hardware name: HP ProLiant m400 Server Cartridge (DT) [90392.648396] task: ffffffceebdc7080 ti: ffffffc0e2e38000 task.ti: ffffffc0e2e38000 [90392.738226] PC is at 0x407f70 [90392.773807] LR is at 0x407ea0 [90392.809387] pc : [<0000000000407f70>] lr : [<0000000000407ea0>] pstate: 80000000 [90392.898169] sp : 0000007fd9016c90 [90392.937922] x29: 0000007fd9016ca0 x28: 0000000000000300 [90393.001762] x27: 000000000000038a x26: 000000000000806a [90393.065507] x25: 000000003fc24210 x24: 0000000000449780 [90393.129361] x23: 000000000000038a x22: 0000000000466000 [90393.193312] x21: 0000000000000008 x20: 000000000066b000 [90393.257163] x19: 0000000000466000 x18: 0000000000000000 [90393.320909] x17: 0000007f8be3d1c0 x16: 0000000000465898 [90393.384759] x15: 000ab9fdd88dad13 x14: 0000007f8bdc6078 [90393.448509] x13: 0000000000000000 x12: 0000000000000030 [90393.512453] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f [90393.576200] x9 : fefefefefefeff64 x8 : 7f7f7f7f7f7f7f7f [90393.640046] x7 : 61ff6468616c6e79 x6 : 0000000000000000 [90393.703894] x5 : 000000000001fa71 x4 : 0000007fd9016e40 [90393.767744] x3 : 0000000000000018 x2 : 0000000000000001 [90393.831594] x1 : 000000000000806a x0 : 000000000072bff8 [90393.895340] Segmentation fault (core dumped) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1495761 Title: stress-ng --numa 1 causes translation fault on itself on ARM64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/stress-ng/+bug/1495761/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
