https://bugs.kde.org/show_bug.cgi?id=435299
Bug ID: 435299
Summary: vex amd64->IR: unhandled instruction bytes: 0xF1 0xF
0x86 0x3C 0x0 0x0 0x0 0x48 0xF 0xB7
Product: valgrind
Version: unspecified
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: callgrind
Assignee: josef.weidendor...@gmx.de
Reporter: jtam...@gmail.com
Target Milestone: ---
SUMMARY
Everytime I try to use callgrind with kate/kwrite, the same error:
vex amd64->IR: unhandled instruction bytes: 0xF1 0xF 0x86 0x3C 0x0 0x0 0x0 0x48
0xF 0xB7
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
==26062== valgrind: Unrecognised instruction at address 0x11953e05
STEPS TO REPRODUCE
valgrind --tool=callgrind --instr-atstart=no --collect-atstart=yes
--collect-jumps=yes --collect-bus=yes --cacheuse=yes /usr/bin/kwrite
==26062== Callgrind, a call-graph generating cache profiler
==26062== Copyright (C) 2002-2017, and GNU GPL'd, by Josef Weidendorfer et al.
==26062== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
==26062== Command: /usr/bin/kwrite
==26062==
--26062-- warning: L3 cache found, using its data for the LL simulation.
....
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20210330
KDE Plasma Version: 5.21.3
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
Kernel Version: 5.11.6-1-default
OS Type: 64-bit
Graphics Platform: X11
Processors: 6 × AMD Phenom(tm) II X6 1100T Processor
Memory: 15.6 GiB of RAM
Graphics Processor: AMD JUNIPER
I guess this started when opensuse changed gcc to versions 9 or greater.
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