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Diffstat (limited to 'results/classifier/007/other/22219210')
| -rw-r--r-- | results/classifier/007/other/22219210 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/results/classifier/007/other/22219210 b/results/classifier/007/other/22219210 new file mode 100644 index 00000000..62e24e9f --- /dev/null +++ b/results/classifier/007/other/22219210 @@ -0,0 +1,53 @@ +graphic: 0.701 +performance: 0.498 +device: 0.489 +semantic: 0.387 +other: 0.345 +network: 0.323 +socket: 0.244 +debug: 0.225 +PID: 0.214 +vnc: 0.204 +files: 0.202 +permissions: 0.141 +KVM: 0.099 +boot: 0.070 + +[BUG][CPU hot-plug]CPU hot-plugs cause the qemu process to coredump + +Hello,Recently, when I was developing CPU hot-plugs under the loongarch +architecture, +I found that there was a problem with qemu cpu hot-plugs under x86 +architecture, +which caused the qemu process coredump when repeatedly inserting and +unplugging +the CPU when the TCG was accelerated. + + +The specific operation process is as follows: + +1.Use the following command to start the virtual machine + +qemu-system-x86_64 \ +-machine q35 \ +-cpu Broadwell-IBRS \ +-smp 1,maxcpus=4,sockets=4,cores=1,threads=1 \ +-m 4G \ +-drive file=~/anolis-8.8.qcow2 \ +-serial stdio  \ +-monitor telnet:localhost:4498,server,nowait + + +2.Enter QEMU Monitor via telnet for repeated CPU insertion and unplugging + +telnet 127.0.0.1 4498 +(qemu) device_add +Broadwell-IBRS-x86_64-cpu,socket-id=1,core-id=0,thread-id=0,id=cpu1 +(qemu) device_del cpu1 +(qemu) device_add +Broadwell-IBRS-x86_64-cpu,socket-id=1,core-id=0,thread-id=0,id=cpu1 +3.You will notice that the QEMU process has a coredump + +# malloc(): unsorted double linked list corrupted +Aborted (core dumped) + |