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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 19:39:53 +0200
commitdee4dcba78baf712cab403d47d9db319ab7f95d6 (patch)
tree418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/118/virtual/22219210
parent4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff)
downloademulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz
emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip
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-virtual: 0.877
-x86: 0.860
-architecture: 0.818
-graphic: 0.701
-performance: 0.498
-hypervisor: 0.491
-device: 0.489
-mistranslation: 0.472
-semantic: 0.387
-VMM: 0.364
-network: 0.323
-ppc: 0.297
-TCG: 0.285
-user-level: 0.273
-socket: 0.244
-debug: 0.225
-PID: 0.214
-vnc: 0.204
-files: 0.202
-peripherals: 0.201
-kernel: 0.166
-register: 0.150
-permissions: 0.141
-risc-v: 0.123
-i386: 0.120
-KVM: 0.099
-arm: 0.093
-assembly: 0.078
-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)
-