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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

mem-ruby: Evict/Snp*Invalid hazard

bug

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

Status: Open.

#3013 In gem5/gem5;

· tsyw opened on Mar 15, 2026

aarch64 TLBI ASIDE1 shouldn't flush global entries

arch-armThe ARM ISAThe ARM ISA

bug

Status: Open.

#3010 In gem5/gem5;

· quackerd opened on Mar 13, 2026

redefinition of _POSIX_C_SOURCE

bug

build errorAn error was received when trying to build gem5An error was received when trying to build gem5

Status: Open.

#3009 In gem5/gem5;

· dbear496 opened on Mar 13, 2026

gem5img.py bug

bug

utilUtilities for gem5. Typically found in "util"Utilities for gem5. Typically found in "util"

Status: Open.

#2989 In gem5/gem5;

· zijiancogito opened on Mar 5, 2026