Public bug reported:
ubuntu@ubuntu:~/stress-ng$ stress-ng --numa 1
stress-ng: info: [3191] defaulting to a 86400 second run per st[ 1722.813407]
stress-ng-numa[3192]: unhandled level 2 translation fault (11) at 0x00000000,
esr 0x92000006
ressor
stress-ng: info: [3191] dispatching hogs: 1 numa
[ 1722.992447] pgd = ffffffc0cbd5e000
[ 1723.094682] [00000000] *pgd=00000040d3713003, *pud=00000040d3713003,
*pmd=0000000000000000
[ 1723.194204]
[ 1723.211951] CPU: 4 PID: 3192 Comm: stress-ng-numa Not tainted 4.2.0 #63
[ 1723.291343] Hardware name: HP ProLiant m400 Server Cartridge (DT)
[ 1723.364476] task: ffffffcf49447080 ti: ffffffc0ecc94000 task.ti:
ffffffc0ecc94000
[ 1723.454307] PC is at 0x421d7c
[ 1723.489882] LR is at 0x421d7c
[ 1723.525465] pc : [<0000000000421d7c>] lr : [<0000000000421d7c>] pstate:
60000000
[ 1723.614244] sp : 0000007fc46205c0
[ 1723.653997] x29: 0000007fc4624a10 x28: 0000000000000400
[ 1723.717936] x27: 0000007fc46225d0 x26: 0000000000001000
[ 1723.781784] x25: 0000000000000000 x24: 0000007fc46229f0
[ 1723.845727] x23: 0000007fc46205c0 x22: 000000000046c000
[ 1723.909572] x21: 0000007fc4623a00 x20: 0000007f8daf3000
[ 1723.973415] x19: 0000007fc46227e0 x18: 0000000000000000
[ 1724.037260] x17: 0000007f8e196700 x16: 000000000046b378
[ 1724.101113] x15: 0000000000000020 x14: 0000007f8e11fa1c
[ 1724.165058] x13: 00000003e8000000 x12: 0000000000000008
[ 1724.228798] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f
[ 1724.292641] x9 : 0000000000000004 x8 : 0000007fc46229e0
[ 1724.356484] x7 : 0000000000000000 x6 : 000000000000003f
[ 1724.420331] x5 : 0000000000000040 x4 : ffffffffffffffe0
[ 1724.484173] x3 : 0000000000000020 x2 : 0000000000000000
[ 1724.548023] x1 : 0000000000000000 x0 : 0000007fc46227e0
[ 1724.611870]
stress-ng: info: [3191] successful run completed in 1.82s
** Affects: stress-ng (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1495761
Title:
stress-ng --numa 1 causes translation fault on itself on ARM64
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