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authorChristian Krinitsin <mail@krinitsin.com>2025-06-16 16:59:00 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-16 16:59:33 +0000
commit9aba81d8eb048db908c94a3c40c25a5fde0caee6 (patch)
treeb765e7fb5e9a3c2143c68b0414e0055adb70e785 /results/classifier/118/debug/1645
parentb89a938452613061c0f1f23e710281cf5c83cb29 (diff)
downloadqemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.tar.gz
qemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.zip
add 18th iteration of classifier
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+debug: 0.983
+graphic: 0.972
+x86: 0.960
+performance: 0.927
+architecture: 0.897
+hypervisor: 0.890
+mistranslation: 0.859
+device: 0.847
+virtual: 0.830
+network: 0.829
+socket: 0.710
+files: 0.683
+ppc: 0.676
+vnc: 0.671
+PID: 0.663
+peripherals: 0.653
+risc-v: 0.652
+semantic: 0.637
+user-level: 0.619
+KVM: 0.614
+kernel: 0.602
+TCG: 0.588
+VMM: 0.582
+i386: 0.540
+register: 0.534
+boot: 0.460
+arm: 0.443
+permissions: 0.375
+assembly: 0.156
+
+qemu error `hotplug memory" error="QMP command failed: a used vhost backend has no free memory slots left"`
+Description of problem:
+When I create a Qemu VM with 8 Gpus and hot-plugging memory, this will return the error QMP command failed: a used vhost backend has no free memory slots left. I read some source file https://gitlab.com/qemu-project/qemu/-/blob/master/hw/virtio/vhost-user.c#L2077, and debug show u->user->memory_slots is 32, but this https://gitlab.com/qemu-project/qemu/-/blob/master/hw/virtio/vhost.c#L62 used_memslots is bigger than u->user->memory_slots. `u->user->memory_slots` is defined 32 by https://gitlab.com/qemu-project/qemu/-/blob/master/subprojects/libvhost-user/libvhost-user.h#L37, but I also see VHOST_USER_MAX_RAM_SLOTS defined 512 under x86 architecture. Can I improve `u->user->memory_slots` by any way?
+Steps to reproduce:
+1.crate kata containers with 8 Gpus
+2.kata containers return error
+Additional information:
+