https://bugs.kde.org/show_bug.cgi?id=497078
Bug ID: 497078
Summary: vex amd64->IR: unhandled instruction bytes: 0x62 0xF1
0x7F 0x28 0x6F 0x54 0x16 0xFF 0x48 0x89 vex amd64->IR:
REX=0 REX.W=0 REX.R=0 REX.X=0 REX.B=0 vex amd64->IR:
VEX=0 VEX.L=0 VEX.nVVVV=0x0 ESC=NONE vex amd64->IR:
PFX.66=0 PFX.F2=0 PFX.F3=0
Classification: Developer tools
Product: valgrind
Version: 3.24 GIT
Platform: RedHat Enterprise Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: memcheck
Assignee: jsew...@acm.org
Reporter: satishs.kam...@gmail.com
Target Milestone: ---
Created attachment 176367
--> https://bugs.kde.org/attachment.cgi?id=176367&action=edit
This file contains the output with debug logs.
SUMMARY
A hello world application also produces this error of unhandled instruction
bytes. This happens only on amd zen4 arch and even on ice-lake CPUs but not on
zen2.
STEPS TO REPRODUCE
1.
2.
3.
OBSERVED RESULT
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Linux:
```
[satishk@tcn538 temp]$ uname -a
Linux tcn538.local.snellius.surf.nl 5.14.0-427.31.1.el9_4.x86_64 #1 SMP
PREEMPT_DYNAMIC Fri Aug 9 14:06:03 EDT 2024 x86_64 x86_64 x86_64 GNU/Linux
[satishk@tcn538 temp]$ cat /etc/os
os-release ostree/
[satishk@tcn538 temp]$ cat /etc/os-release
NAME="Red Hat Enterprise Linux"
VERSION="9.4 (Plow)"
ID="rhel"
ID_LIKE="fedora"
VERSION_ID="9.4"
PLATFORM_ID="platform:el9"
PRETTY_NAME="Red Hat Enterprise Linux 9.4 (Plow)"
ANSI_COLOR="0;31"
LOGO="fedora-logo-icon"
CPE_NAME="cpe:/o:redhat:enterprise_linux:9::baseos"
HOME_URL="https://www.redhat.com/";
DOCUMENTATION_URL="https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9";
BUG_REPORT_URL="https://bugzilla.redhat.com/";
REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 9"
REDHAT_BUGZILLA_PRODUCT_VERSION=9.4
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="9.4"
```
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