diff options
Diffstat (limited to 'gitlab/issues_text/target_arm/host_x86/accel_missing/2146')
| -rw-r--r-- | gitlab/issues_text/target_arm/host_x86/accel_missing/2146 | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/gitlab/issues_text/target_arm/host_x86/accel_missing/2146 b/gitlab/issues_text/target_arm/host_x86/accel_missing/2146 deleted file mode 100644 index 0a435335f..000000000 --- a/gitlab/issues_text/target_arm/host_x86/accel_missing/2146 +++ /dev/null @@ -1,114 +0,0 @@ -qemu-system-aarch64 Segfaults -Description of problem: -Never finishes the script below always segfaults after a few hours -in seemingly random functions. -Steps to reproduce: -This is what i did with qemu version 8.2.1 -inside test directory: -1. wget https://download.qemu.org/qemu-8.2.1.tar.xz -2. tar xvJf qemu-8.2.1.tar.xz -3. cd qemu-8.2.1 -4. ./configure --target-list="aarch64-linux-user, aarch64-softmmu" --enable-slirp (crashes with and without --enable-debug) -5. make -j$(nproc) -6. ln -sf "$PWD/build/qemu-system-aarch64" "../qemu-system-aarch64" -7. cd .. - -Now the VM -1. wget -O installer-linux https://deb.debian.org/debian/dists/bookworm/main/installer-arm64/current/images/netboot/debian-installer/arm64/linux -2. wget -O installer-initrd.gz https://deb.debian.org/debian/dists/bookworm/main/installer-arm64/current/images/netboot/debian-installer/arm64/initrd.gz -3. qemu-img create -f qcow2 hda.qcow2 15G -4. ./qemu-system-aarch64 -M virt -m 6G -cpu cortex-a72 \ - -kernel installer-linux \ - -initrd installer-initrd.gz \ - -drive if=none,file=hda.qcow2,format=qcow2,id=hd \ - -device virtio-blk-pci,drive=hd \ - -netdev user,id=mynet \ - -device virtio-net-pci,netdev=mynet \ - -nographic -no-reboot \ - -accel tcg,thread=multi \ - -smp 8 -5. Install minimal debian inside the VM -6. sudo virt-copy-out -a hda.qcow2 /boot/vmlinuz-6.1.0-17-arm64 /boot/initrd.img-6.1.0-17-arm64 . -7. ./qemu-system-aarch64 -M virt -m 6G -cpu cortex-a72 \ - -kernel vmlinuz-6.1.0-17-arm64 \ - -initrd initrd.img-6.1.0-17-arm64 \ - -append 'root=/dev/vda2' \ - -drive if=none,file=hda.qcow2,format=qcow2,id=hd \ - -device virtio-blk-pci,drive=hd \ - -netdev user,id=mynet,hostfwd=tcp::10022-:22 \ - -device virtio-net-pci,netdev=mynet \ - -nographic \ - -accel tcg,thread=multi \ - -smp 8 -8. Now run this script inside some directory inside the VM(you might need to install gcc first) - -#!/bin/bash - -wget --no-clobber https://sourceware.org/pub/binutils/releases/binutils-2.41.tar.xz -wget --no-clobber https://ftp.gnu.org/gnu/mpfr/mpfr-4.2.0.tar.xz -wget --no-clobber https://ftp.gnu.org/gnu/gmp/gmp-6.3.0.tar.xz -wget --no-clobber https://ftp.gnu.org/gnu/mpc/mpc-1.3.1.tar.gz -wget --no-clobber https://ftp.gnu.org/gnu/gcc/gcc-13.2.0/gcc-13.2.0.tar.xz - -BUG_TARGET="$(uname -m)-bug-linux-gnu" - -tar -xf binutils-2.41.tar.xz -cd binutils-2.41 -mkdir -vp build -cd build -../configure --prefix=$PWD \ - --with-sysroot=$PWD \ - --target=$BUG_TARGET \ - --disable-nls \ - --enable-gprofng=no \ - --disable-werror \ - --disable-gdb -make --jobs $(nproc) -cd ../.. -rm -rf binutils - -tar -xf gcc-13.2.0.tar.xz -cd gcc-13.2.0 -tar -xf ../mpfr-4.2.0.tar.xz -tar -xf ../gmp-6.3.0.tar.xz -tar -xf ../mpc-1.3.1.tar.gz -mv mpfr-4.2.0 mpfr -mv gmp-6.3.0 gmp -mv mpc-1.3.1 mpc -mkdir -vp build -cd build -../configure --prefix=$PWD \ - --with-sysroot=$PWD \ - --target=$BUG_TARGET \ - --with-glibc-version=2.38 \ - --with-newlib \ - --without-headers \ - --enable-default-pie \ - --enable-default-ssp \ - --disable-nls \ - --disable-shared \ - --disable-multilib \ - --disable-threads \ - --disable-libatomic \ - --disable-libgomp \ - --disable-libquadmath \ - --disable-libssp \ - --disable-libvtv \ - --disable-libstdcxx \ - --enable-languages=c,c++ -make --jobs $(nproc) -cd ../.. -rm -rf gcc -Additional information: -I tried all the versions listed above, 6.2 usually segfaults in binutils while the other two run further. - -Example: -``` -Program terminated with signal SIGSEGV, Segmentation fault. -#0 0x000055555615dd37 in tlb_index (cpu=<Cannot access memory at address 0x7fffefffe1c8>, - mmu_idx=<Cannot access memory at address 0x7fffefffe1c0>, - addr=<Cannot access memory at address 0x7fffefffe1b8>) - at qemu-8.2.1/include/exec/cpu_ldst.h:367 -367 uintptr_t size_mask = cpu->neg.tlb.f[mmu_idx].mask >> CPU_TLB_ENTRY_BITS; -[Current thread is 1 (LWP 857562)] -``` |