[erlang-questions] Segfault with Erlang R22

Andras G. Bekes agbekes@REDACTED
Wed Apr 28 20:28:05 CEST 2021

Update: It seems the problem was some incompatibility between Erlang/OTP
R21, R22 and Red Hat Enterprise Linux 6 (which is rather old, now
officially EOL). After upgrading to RHEL 7, the problem never happened

Thanks everyone who helped investigating.


On Fri, Oct 18, 2019 at 4:34 PM Bekes, Andras G
<http://erlang.org/mailman/listinfo/erlang-questions>> wrote:
>>* Hi All,
*>>>>* After upgrading to Erlang R22, my software crashes the Erlang
VM with Segmentation fault.
*>>* It happens rarely, only after several days of test workload, so I
can’t really reproduce.
*>>>>* I made more than 10 core dumps so far, loaded them into gdb,
and all of them died at these 2 crash points:
*>>>>* Program terminated with signal 11, Segmentation fault.
*>>* #0  process_main (x_reg_array=0x20002,
f_reg_array=0x2ade29280590) at
*>>* 4064      if (is_not_tuple(r(0))) {
*>>>>* or
*>>>>* #0  process_main (x_reg_array=0x20002, f_reg_array=0x2) at
*>>* 5252          c_p->seq_trace_lastcnt =
*>>>>* The software is not doing any tracing when the crash happens,
nor does it have any NIFs.*
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