[dpdk-users] Segfault while running on older CPU

Filip Janiszewski contact at filipjaniszewski.com
Wed Feb 6 11:47:08 CET 2019


Hi Everybody,

We have one 'slightly' older machine (well, very old CPU.) in our Lab
that seems to crash DPDK on every execution attempt, I was wondering if
anybody encountered a similar issue and if there's a change in the DPDK
config that might remedy the problem, this is the stack trace of the fault:

.
#0 0x000000000057bd19 in rte_cpu_get_flag_enabled ()
#1 0x000000000046067e in rte_acl_init ()
#2 0x000000000088359d in __libc_csu_init ()
#3 0x00007ffff6642cf5 in __libc_start_main () from /lib64/libc.so.6
#4 0x0000000000464fee in _start ()
.

The CPU on this machine is: "Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
(fam: 06, model: 3a, stepping: 09)" running with "3.10.0-862.el7.x86_64".

Our builds are running fine on newest hardware, nevertheless the
segfault seems a bit weird even for an unsupported CPU (some error
prompt would be more friendly), any suggestion on what the problem might be?

Thanks

-- 
BR, Filip
+48 666 369 823


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