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cpu-o3: Elastic Trace Probe Type-Mismatch Panic

bug

cpu-o3gem5's Out-Of-Order CPUgem5's Out-Of-Order CPU

Status: Open.

#3166 In gem5/gem5;

· dane73 opened on May 11, 2026

BUG: ArmO3 SE can fault during early AArch64 TLS startup because misc-reg dependencies are released before commit

arch-armThe ARM ISAThe ARM ISA

bug

cpu-o3gem5's Out-Of-Order CPUgem5's Out-Of-Order CPU

sim-segem5's Syscall Emulation Modegem5's Syscall Emulation Mode

Status: Open.

#3157 In gem5/gem5;

· tsyw opened on May 9, 2026

O3 data prefetch unnecessarily holds LQ/ROB and cannot retire until memory response

bug

cpu-o3gem5's Out-Of-Order CPUgem5's Out-Of-Order CPU

Status: Open.

#3132 In gem5/gem5;

· pxk27 opened on Apr 29, 2026

No ROCm-capable device is detected (can't open /dev/gem5_bridge: No such file or directory)

arch-vegaThe VEGA ISAThe VEGA ISA

bug

Status: Open.

#3129 In gem5/gem5;

· Irfanuet191 opened on Apr 28, 2026

riscv: writes to minstret/mcycle CSR are incorrectly ignored

arch-riscvThe RISC-V ISAThe RISC-V ISA

bug

Status: Open.

#3098 In gem5/gem5;

· zhihaoxu1325 opened on Apr 20, 2026

O3: TimeBuffer assertion failure in IEW::instToCommit during massive LSQ wakeups.

bug

cpu-o3gem5's Out-Of-Order CPUgem5's Out-Of-Order CPU

Status: Open.

#3096 In gem5/gem5;

· tommyp6 opened on Apr 19, 2026

Bug: Incorrect latency calculation in SerialLink when system clock frequency is not 1GHz

bug

memGeneral Memory Systems (e.g., XBar, Packet)General Memory Systems (e.g., XBar, Packet)

Status: Open.

#3092 In gem5/gem5;

· pxk27 opened on Apr 17, 2026

Full system mode: multithreaded applications stuck using TimingSimpleCPU and O3CPU with Ruby's CHI

bug

cpu-o3gem5's Out-Of-Order CPUgem5's Out-Of-Order CPU

cpu-simplegem5's Simple CPUgem5's Simple CPU

mem-rubyRuby caches, structures, and protocolsRuby caches, structures, and protocols

Status: Open.

#3075 In gem5/gem5;

· deglaus opened on Apr 13, 2026

ARM FS realview64-o3 and realview64-o3-dual tests hang during kernel boot with Linux 6.18 kernel

arch-armThe ARM ISAThe ARM ISA

testsgem5's Testing Infrastructuregem5's Testing Infrastructure

Status: Open.

#3070 In gem5/gem5;

· Harshil2107 opened on Apr 9, 2026

ARM O3 Full system stuck in bash after switching from KVM

arch-armThe ARM ISAThe ARM ISA

bug

cpu-o3gem5's Out-Of-Order CPUgem5's Out-Of-Order CPU

Status: Open.

#3057 In gem5/gem5;

· reecho-tsai opened on Apr 2, 2026

cpu-o3: segfault in Rename::renameSrcRegs on InvalidRegClass src reg

cpu-o3gem5's Out-Of-Order CPUgem5's Out-Of-Order CPU

Status: Open.

#3041 In gem5/gem5;

· polpetras opened on Mar 27, 2026

Adding C API to support SystemC components built with foreign toolchain

systemcgem5's SystemC Implementationgem5's SystemC Implementation

Status: Open.

#3020 In gem5/gem5;

· hchsiao opened on Mar 20, 2026