Public bug reported:

When testing this enosys test in the ubuntu_stress_smoke_test, the
session will be terminated. This issue can be reproduced with 4.13.0-36
and the proposed 4.13.0-37, it looks like it's the tool issue.

Steps:
  1. Deploy a Moonshot ARM64 node with 17.10
  2. Run the stress smoke test with:
sudo apt-get install git python-minimal -y
git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest-client-tests -b 
master-next
git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest
rm -fr autotest/client/tests
ln -sf ~/autotest-client-tests autotest/client/tests
AUTOTEST_PATH=/home/ubuntu/autotest sudo -E autotest/client/autotest-local 
--verbose autotest/client/tests/ubuntu_stress_smoke_test/control 

Result:
  03:42:45 DEBUG| [stdout] dynlib RETURNED 0
  03:42:45 DEBUG| [stdout] dynlib PASSED
  03:42:45 DEBUG| [stdout] enosys STARTING
  Connection to ms10-35-mcdivittb0-kernel closed.

syslog output for enosys test:
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel stress-ng: info:  [32460] dispatching 
hogs: 4 enosys
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel stress-ng: info:  [32460] cache 
allocate: using built-in defaults as unable to determine cache details
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761230] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761238] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761242] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761244] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761247] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761251] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761253] LR is at 
0xaaaae307a1cc
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761254] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a1cc>] pstate: 00000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761256] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761257] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761261] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761264] x25: 
0000aaaae30e2950 x24: 0000aaaae30e5610 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761267] x23: 
0000aaaae35636e0 x22: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761269] x21: 
0000aaaae3130c98 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761272] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761275] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761278] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761280] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761283] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761285] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761288] x7 : 
ffffffffffffffff x6 : ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761290] x5 : 
ffffffffffffffff x4 : ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761293] x3 : 
ffffffffffffffff x2 : ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761296] x1 : 
ffffffffffffffff x0 : ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761301] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761304] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761306] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761307] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761309] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761310] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761312] LR is at 
0xaaaae307a22c
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761313] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a22c>] pstate: 00000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761314] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761316] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761319] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761321] x25: 
0000aaaae30e2950 x24: 0000aaaae30e5610 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761324] x23: 
0000aaaae35636e0 x22: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761327] x21: 
ffffffffffffffff x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761329] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761332] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761334] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761337] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761339] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761342] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761344] x7 : 
0000000000000000 x6 : 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761347] x5 : 
0000000000000000 x4 : 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761349] x3 : 
0000000000000000 x2 : 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761352] x1 : 
0000000000000000 x0 : 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761356] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761359] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761360] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761362] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761363] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761364] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761366] LR is at 
0xaaaae307a28c
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761367] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a28c>] pstate: 00000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761369] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761370] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761373] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761375] x25: 
0000aaaae30e2950 x24: 0000aaaae30e5610 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761378] x23: 
0000aaaae35636e0 x22: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761380] x21: 
ffffffffffffffff x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761383] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761386] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761388] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761391] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761393] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761396] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761398] x7 : 
0000000000000001 x6 : 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761401] x5 : 
0000000000000001 x4 : 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761403] x3 : 
0000000000000001 x2 : 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761406] x1 : 
0000000000000001 x0 : 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761410] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761412] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761414] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761415] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761417] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761418] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761419] LR is at 
0xaaaae307a2e4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761421] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a2e4>] pstate: 00000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761422] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761423] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761426] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761428] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761431] x23: 
0000aaaae35636e0 x22: 000000000000003f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761434] x21: 
0000000000000002 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761436] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761439] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761441] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761444] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761446] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761449] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761451] x7 : 
0000000000000002 x6 : 0000000000000002 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761454] x5 : 
0000000000000002 x4 : 0000000000000002 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761456] x3 : 
0000000000000002 x2 : 0000000000000002 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761459] x1 : 
0000000000000002 x0 : 0000000000000002 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761463] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761465] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761467] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761468] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761470] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761471] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761472] LR is at 
0xaaaae307a33c
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761473] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a33c>] pstate: 60000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761474] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761476] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761478] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761481] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761484] x23: 
0000000000000003 x22: 000000000000003f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761486] x21: 
0000000000000004 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761489] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761491] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761494] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761496] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761499] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761501] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761504] x7 : 
0000000000000003 x6 : 0000000000000003 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761506] x5 : 
0000000000000003 x4 : 0000000000000003 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761509] x3 : 
0000000000000003 x2 : 0000000000000003 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761511] x1 : 
0000000000000003 x0 : 0000000000000003 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761515] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761518] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761519] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761521] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761522] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761523] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761524] LR is at 
0xaaaae307a2e4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761526] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a2e4>] pstate: 00000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761527] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761528] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761530] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761533] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761536] x23: 
ffffffffffffffff x22: 000000000000003e 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761539] x21: 
0000000000000004 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761541] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761544] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761546] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761549] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761552] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761554] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761557] x7 : 
0000000000000004 x6 : 0000000000000004 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761559] x5 : 
0000000000000004 x4 : 0000000000000004 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761561] x3 : 
0000000000000004 x2 : 0000000000000004 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761564] x1 : 
0000000000000004 x0 : 0000000000000004 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761568] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761571] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761573] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761574] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761575] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761577] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761578] LR is at 
0xaaaae307a33c
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761579] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a33c>] pstate: 60000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761580] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761581] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761584] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761587] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761590] x23: 
0000000000000007 x22: 000000000000003e 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761592] x21: 
0000000000000008 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761595] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761597] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761600] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761602] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761605] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761607] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761610] x7 : 
0000000000000007 x6 : 0000000000000007 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761612] x5 : 
0000000000000007 x4 : 0000000000000007 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761615] x3 : 
0000000000000007 x2 : 0000000000000007 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761617] x1 : 
0000000000000007 x0 : 0000000000000007 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761621] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761624] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761626] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761627] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761629] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761631] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761632] LR is at 
0xaaaae307a2e4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761634] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a2e4>] pstate: 00000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761635] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761636] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761639] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761642] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761644] x23: 
ffffffffffffffff x22: 000000000000003d 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761647] x21: 
0000000000000008 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761649] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761652] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761654] x15: 
00006ea7484d6e40 x14: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761657] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761659] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761662] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761664] x7 : 
0000000000000008 x6 : 0000000000000008 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761667] x5 : 
0000000000000008 x4 : 0000000000000008 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761669] x3 : 
0000000000000008 x2 : 0000000000000008 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761672] x1 : 
0000000000000008 x0 : 0000000000000008 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761676] 
stress-ng-enosy[32528]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761679] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761681] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761682] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761683] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761687] 
stress-ng-enosy[32531]: syscall 293
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761688] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761689] LR is at 
0xaaaae307a33c
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761691] Code: aa0503e4 
aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761692] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a33c>] pstate: 60000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761693] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761694] x29: 
0000ffffe69ac8b0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761697] CPU: 4 PID: 
32531 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761698] Hardware name: 
HP ProLiant m400 Server Cartridge (DT)
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761699] x28: 
0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761702] task: 
ffff800fa2e68f00 task.stack: ffff000013e50000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761702] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761705] x25: 
0000aaaae30e2950 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761706] PC is at 
0xffffa5b55ce4
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761707] x24: 
0000000000007f10 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761708] LR is at 
0xaaaae307a1cc
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761709] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a1cc>] pstate: 00000000
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761711] sp : 
0000ffffe69ac8b0
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761712] x29: 
0000ffffe69ac8b0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761713] x23: 
000000000000000f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761715] x28: 
0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761716] x22: 
000000000000003d 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761719] x27: 
0000ffffe69acd3a 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761720] x21: 
0000000000000010 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761722] x26: 
0000aaaae30f29f0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761724] x19: 
0000ffffe69acaf8 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761726] x25: 
0000aaaae30e2950 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761727] x18: 
0000000000000001 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761728] x24: 
0000aaaae30e5610 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761730] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761732] x23: 
0000aaaae35636e0 x22: 0000000000007f13 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761735] x15: 
00006ea7484d6e40 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761736] x14: 
0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761737] x21: 
0000aaaae3130c98 x20: 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761740] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761742] x19: 
0000ffffe69acaf8 x18: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761744] x11: 
0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761746] x17: 
0000ffffa5b55cc0 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761747] x10: 
0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761748] x16: 
0000aaaae311ae18 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761749] x9 : 
0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761751] x8 : 
0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761752] x15: 
00006d2889cff050 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761754] x14: 
0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761755] x7 : 
000000000000000f x6 : 000000000000000f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761758] x13: 
0000000000000000 x12: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761760] x5 : 
000000000000000f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761762] x4 : 
000000000000000f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761763] x11: 
0000000000000000 x10: 0000000000000000 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761765] x3 : 
000000000000000f x2 : 000000000000000f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761767] x9 : 
0000000000000000 x8 : 0000000000000125 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761770] x1 : 
000000000000000f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761771] x7 : 
ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761772] x0 : 
000000000000000f 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761773] x6 : 
ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761775] x5 : 
ffffffffffffffff x4 : ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761778] x3 : 
ffffffffffffffff x2 : ffffffffffffffff 
Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761780] x1 : 
ffffffffffffffff x0 : ffffffffffffffff 
Mar 13 03:42:48 ms10-35-mcdivittB0-kernel stress-ng: info:  [32460] successful 
run completed in 3.56s

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-37-generic 4.13.0-37.42
ProcVersionSignature: User Name 4.13.0-37.42-generic 4.13.13
Uname: Linux 4.13.0-37-generic aarch64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116,  1 Mar 13 03:42 seq
 crw-rw---- 1 root audio 116, 33 Mar 13 03:42 timer
AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k4.13.0-37-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: arm64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
Date: Tue Mar 13 03:47:19 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:
 
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
 SHELL=/bin/bash
ProcFB:
 
ProcKernelCmdLine: console=ttyS0,9600n8r ro
RelatedPackageVersions:
 linux-restricted-modules-4.13.0-37-generic N/A
 linux-backports-modules-4.13.0-37-generic  N/A
 linux-firmware                             1.169.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: Colin Ian King (colin-king)
         Status: New


** Tags: apport-bug arm64 artful package-from-proposed uec-images

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Colin Ian King (colin-king)

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1755358

Title:
  enosys test in ubuntu_stress_smoke test will terminates the user
  session on Artful ARM64

Status in linux package in Ubuntu:
  New

Bug description:
  When testing this enosys test in the ubuntu_stress_smoke_test, the
  session will be terminated. This issue can be reproduced with
  4.13.0-36 and the proposed 4.13.0-37, it looks like it's the tool
  issue.

  Steps:
    1. Deploy a Moonshot ARM64 node with 17.10
    2. Run the stress smoke test with:
  sudo apt-get install git python-minimal -y
  git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest-client-tests -b 
master-next
  git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest
  rm -fr autotest/client/tests
  ln -sf ~/autotest-client-tests autotest/client/tests
  AUTOTEST_PATH=/home/ubuntu/autotest sudo -E autotest/client/autotest-local 
--verbose autotest/client/tests/ubuntu_stress_smoke_test/control 

  Result:
    03:42:45 DEBUG| [stdout] dynlib RETURNED 0
    03:42:45 DEBUG| [stdout] dynlib PASSED
    03:42:45 DEBUG| [stdout] enosys STARTING
    Connection to ms10-35-mcdivittb0-kernel closed.

  syslog output for enosys test:
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel stress-ng: info:  [32460] 
dispatching hogs: 4 enosys
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel stress-ng: info:  [32460] cache 
allocate: using built-in defaults as unable to determine cache details
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761230] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761238] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761242] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761244] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761247] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761251] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761253] LR is at 
0xaaaae307a1cc
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761254] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a1cc>] pstate: 00000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761256] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761257] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761261] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761264] x25: 
0000aaaae30e2950 x24: 0000aaaae30e5610 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761267] x23: 
0000aaaae35636e0 x22: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761269] x21: 
0000aaaae3130c98 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761272] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761275] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761278] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761280] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761283] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761285] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761288] x7 : 
ffffffffffffffff x6 : ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761290] x5 : 
ffffffffffffffff x4 : ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761293] x3 : 
ffffffffffffffff x2 : ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761296] x1 : 
ffffffffffffffff x0 : ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761301] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761304] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761306] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761307] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761309] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761310] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761312] LR is at 
0xaaaae307a22c
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761313] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a22c>] pstate: 00000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761314] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761316] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761319] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761321] x25: 
0000aaaae30e2950 x24: 0000aaaae30e5610 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761324] x23: 
0000aaaae35636e0 x22: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761327] x21: 
ffffffffffffffff x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761329] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761332] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761334] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761337] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761339] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761342] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761344] x7 : 
0000000000000000 x6 : 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761347] x5 : 
0000000000000000 x4 : 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761349] x3 : 
0000000000000000 x2 : 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761352] x1 : 
0000000000000000 x0 : 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761356] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761359] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761360] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761362] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761363] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761364] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761366] LR is at 
0xaaaae307a28c
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761367] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a28c>] pstate: 00000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761369] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761370] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761373] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761375] x25: 
0000aaaae30e2950 x24: 0000aaaae30e5610 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761378] x23: 
0000aaaae35636e0 x22: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761380] x21: 
ffffffffffffffff x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761383] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761386] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761388] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761391] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761393] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761396] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761398] x7 : 
0000000000000001 x6 : 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761401] x5 : 
0000000000000001 x4 : 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761403] x3 : 
0000000000000001 x2 : 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761406] x1 : 
0000000000000001 x0 : 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761410] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761412] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761414] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761415] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761417] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761418] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761419] LR is at 
0xaaaae307a2e4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761421] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a2e4>] pstate: 00000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761422] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761423] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761426] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761428] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761431] x23: 
0000aaaae35636e0 x22: 000000000000003f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761434] x21: 
0000000000000002 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761436] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761439] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761441] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761444] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761446] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761449] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761451] x7 : 
0000000000000002 x6 : 0000000000000002 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761454] x5 : 
0000000000000002 x4 : 0000000000000002 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761456] x3 : 
0000000000000002 x2 : 0000000000000002 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761459] x1 : 
0000000000000002 x0 : 0000000000000002 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761463] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761465] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761467] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761468] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761470] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761471] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761472] LR is at 
0xaaaae307a33c
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761473] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a33c>] pstate: 60000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761474] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761476] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761478] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761481] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761484] x23: 
0000000000000003 x22: 000000000000003f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761486] x21: 
0000000000000004 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761489] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761491] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761494] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761496] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761499] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761501] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761504] x7 : 
0000000000000003 x6 : 0000000000000003 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761506] x5 : 
0000000000000003 x4 : 0000000000000003 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761509] x3 : 
0000000000000003 x2 : 0000000000000003 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761511] x1 : 
0000000000000003 x0 : 0000000000000003 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761515] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761518] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761519] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761521] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761522] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761523] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761524] LR is at 
0xaaaae307a2e4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761526] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a2e4>] pstate: 00000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761527] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761528] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761530] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761533] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761536] x23: 
ffffffffffffffff x22: 000000000000003e 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761539] x21: 
0000000000000004 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761541] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761544] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761546] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761549] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761552] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761554] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761557] x7 : 
0000000000000004 x6 : 0000000000000004 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761559] x5 : 
0000000000000004 x4 : 0000000000000004 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761561] x3 : 
0000000000000004 x2 : 0000000000000004 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761564] x1 : 
0000000000000004 x0 : 0000000000000004 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761568] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761571] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761573] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761574] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761575] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761577] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761578] LR is at 
0xaaaae307a33c
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761579] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a33c>] pstate: 60000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761580] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761581] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761584] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761587] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761590] x23: 
0000000000000007 x22: 000000000000003e 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761592] x21: 
0000000000000008 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761595] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761597] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761600] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761602] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761605] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761607] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761610] x7 : 
0000000000000007 x6 : 0000000000000007 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761612] x5 : 
0000000000000007 x4 : 0000000000000007 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761615] x3 : 
0000000000000007 x2 : 0000000000000007 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761617] x1 : 
0000000000000007 x0 : 0000000000000007 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761621] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761624] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761626] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761627] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761629] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761631] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761632] LR is at 
0xaaaae307a2e4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761634] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a2e4>] pstate: 00000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761635] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761636] x29: 
0000ffffe69ac8b0 x28: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761639] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761642] x25: 
0000aaaae30e2950 x24: 0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761644] x23: 
ffffffffffffffff x22: 000000000000003d 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761647] x21: 
0000000000000008 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761649] x19: 
0000ffffe69acaf8 x18: 0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761652] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761654] x15: 
00006ea7484d6e40 x14: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761657] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761659] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761662] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761664] x7 : 
0000000000000008 x6 : 0000000000000008 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761667] x5 : 
0000000000000008 x4 : 0000000000000008 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761669] x3 : 
0000000000000008 x2 : 0000000000000008 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761672] x1 : 
0000000000000008 x0 : 0000000000000008 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761676] 
stress-ng-enosy[32528]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761679] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761681] CPU: 2 PID: 
32528 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761682] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761683] task: 
ffff800954c70f00 task.stack: ffff000013dd0000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761687] 
stress-ng-enosy[32531]: syscall 293
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761688] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761689] LR is at 
0xaaaae307a33c
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761691] Code: 
aa0503e4 aa0603e5 aa0703e6 d4000001 (b13ffc1f) 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761692] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a33c>] pstate: 60000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761693] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761694] x29: 
0000ffffe69ac8b0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761697] CPU: 4 PID: 
32531 Comm: stress-ng-enosy Not tainted 4.13.0-37-generic #42-Ubuntu
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761698] Hardware 
name: HP ProLiant m400 Server Cartridge (DT)
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761699] x28: 
0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761702] task: 
ffff800fa2e68f00 task.stack: ffff000013e50000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761702] x27: 
0000ffffe69acd3a x26: 0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761705] x25: 
0000aaaae30e2950 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761706] PC is at 
0xffffa5b55ce4
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761707] x24: 
0000000000007f10 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761708] LR is at 
0xaaaae307a1cc
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761709] pc : 
[<0000ffffa5b55ce4>] lr : [<0000aaaae307a1cc>] pstate: 00000000
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761711] sp : 
0000ffffe69ac8b0
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761712] x29: 
0000ffffe69ac8b0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761713] x23: 
000000000000000f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761715] x28: 
0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761716] x22: 
000000000000003d 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761719] x27: 
0000ffffe69acd3a 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761720] x21: 
0000000000000010 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761722] x26: 
0000aaaae30f29f0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761724] x19: 
0000ffffe69acaf8 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761726] x25: 
0000aaaae30e2950 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761727] x18: 
0000000000000001 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761728] x24: 
0000aaaae30e5610 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761730] x17: 
0000ffffa5b55cc0 x16: 0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761732] x23: 
0000aaaae35636e0 x22: 0000000000007f13 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761735] x15: 
00006ea7484d6e40 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761736] x14: 
0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761737] x21: 
0000aaaae3130c98 x20: 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761740] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761742] x19: 
0000ffffe69acaf8 x18: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761744] x11: 
0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761746] x17: 
0000ffffa5b55cc0 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761747] x10: 
0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761748] x16: 
0000aaaae311ae18 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761749] x9 : 
0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761751] x8 : 
0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761752] x15: 
00006d2889cff050 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761754] x14: 
0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761755] x7 : 
000000000000000f x6 : 000000000000000f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761758] x13: 
0000000000000000 x12: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761760] x5 : 
000000000000000f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761762] x4 : 
000000000000000f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761763] x11: 
0000000000000000 x10: 0000000000000000 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761765] x3 : 
000000000000000f x2 : 000000000000000f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761767] x9 : 
0000000000000000 x8 : 0000000000000125 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761770] x1 : 
000000000000000f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761771] x7 : 
ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761772] x0 : 
000000000000000f 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761773] x6 : 
ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761775] x5 : 
ffffffffffffffff x4 : ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761778] x3 : 
ffffffffffffffff x2 : ffffffffffffffff 
  Mar 13 03:42:45 ms10-35-mcdivittB0-kernel kernel: [  253.761780] x1 : 
ffffffffffffffff x0 : ffffffffffffffff 
  Mar 13 03:42:48 ms10-35-mcdivittB0-kernel stress-ng: info:  [32460] 
successful run completed in 3.56s

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-37-generic 4.13.0-37.42
  ProcVersionSignature: User Name 4.13.0-37.42-generic 4.13.13
  Uname: Linux 4.13.0-37-generic aarch64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Mar 13 03:42 seq
   crw-rw---- 1 root audio 116, 33 Mar 13 03:42 timer
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k4.13.0-37-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: arm64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 
'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  Date: Tue Mar 13 03:47:19 2018
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: console=ttyS0,9600n8r ro
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-37-generic N/A
   linux-backports-modules-4.13.0-37-generic  N/A
   linux-firmware                             1.169.3
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)

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