[Valgrind-users] Illegal instruction error in some versions of valgrind

[Steve E. <st...@ed...>]

Hi. I have just joined the group to see if I can resolve a long standing 
issue with valgrind on Opensuse.
I have been using some accounting software for many years, initially it 
ran fine and then at some point it started causing a segmentation fault.

I then started using it with valgrind, successful with some versions of 
valgrind and not with others, when it fails I get the following before 
termination and core dump.

==199084==  Illegal opcode at address 0x453BC82
==199084==    at 0x453BC82: write_vec (xcb_conn.c:262)

Using valgrind from the latest Leap 15.6 and 16.0 repositories fails 
(valgrind-3.26.0-355.d_t.2.x86_64.rpm, 3.24.0-150600.3.3.1, 
3.22.0-150600.1.3, 3.24.0-160000.2.2 and 3.25.1-160000.1.1) I do have 
the software running successfully with versions 3.25.1-350.d_t.1 (on 
Leap 15.6) and 3.13.0-lp150.4.61-x86_64 (on Leap 15.0 in a VM). I am 
trying to get to grips with what might determine a successful version of 
valgrind, I can no longer locate the rpm for 3.25.1-350.d_t.1 to try on 
Leap 16.0 and quite happy to build from source if there is some 
configuration in the source that will resolve this issue. Any help much 
appreciated, Steve