1 files changed, 41 insertions, 0 deletions
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+graphic: 0.989
+architecture: 0.967
+semantic: 0.960
+device: 0.875
+performance: 0.858
+x86: 0.856
+vnc: 0.829
+arm: 0.760
+files: 0.703
+ppc: 0.674
+VMM: 0.672
+debug: 0.669
+register: 0.642
+assembly: 0.641
+virtual: 0.600
+PID: 0.586
+permissions: 0.581
+user-level: 0.580
+kernel: 0.579
+peripherals: 0.573
+socket: 0.556
+i386: 0.549
+risc-v: 0.499
+hypervisor: 0.479
+network: 0.446
+TCG: 0.351
+boot: 0.332
+mistranslation: 0.325
+KVM: 0.260
+
+Segfault when saving VM snapshot via QEMU monitor on MIPS and MIPSEL
+Description of problem:
+When entering the QEMU monitor using Ctrl-A then C, and running the savevm QEMU command, the emulator hangs for a while and then exits with a segfault. This occurs on MIPS and MIPSEL system emulators using the same command line arguments. ARM32, aarch64 and x86_64 emulators don't seem to have this problem. I haven't tested it on any other architectures as I don't have kernel or drive images for them. `qemu-img` seems to work fine with the QCOW2 images used for this test, I was able to create and load offline snapshots from them. The images were created from raw EXT2 filesystem images produced by Buildroot, using `qemu-img convert`.
+Steps to reproduce:
+1. Start the QEMU system emulator for MIPS/MIPSEL with the given command line.
+2. Enter the QEMU monitor with Ctrl-A, C.
+3. Run `savevm <vm name>`.
+Additional information:
+I tried logging what QEMU was doing with the `-D ./log.txt` command line option, but the produced log file was empty.
+
+If you need me to send you the kernel image files and QCOW2 images used, I would be happy to do so.