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Bug
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Resolution: Done-Errata
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Normal
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rhel-9.5
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qemu-kvm-9.0.0-5.el9
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Yes
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Important
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Regression
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rhel-sst-virtualization-storage
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ssg_virtualization
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3
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QE ack
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False
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None
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Red Hat Enterprise Linux
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None
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Pass
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Automated
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x86_64
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Linux
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None
What were you trying to do that didn't work? Hotplug virtio disk with aio=io_uring, then execute block_resize on the disk. qemu crash on qemu-kvm: ../block/io_uring.c:218: void luring_process_completions(LuringState *): Assertion `luringcb->co->ctx == s->aio_context' failed Stack trace of thread 508356: #0 0x00007f75b3e8b94c __pthread_kill_implementation (libc.so.6> #1 0x00007f75b3e3e646 raise (libc.so.6 + 0x3e646) #2 0x00007f75b3e287f3 abort (libc.so.6 + 0x287f3) #3 0x00007f75b3e2871b __assert_fail_base.cold (libc.so.6 + 0x2> #4 0x00007f75b3e37386 __assert_fail (libc.so.6 + 0x37386) #5 0x0000557b29db61bc luring_process_completions (qemu-kvm + 0> #6 0x0000557b29db599d qemu_luring_completion_cb.llvm.551030252> #7 0x0000557b29f196c1 aio_dispatch_handler.llvm.10985774631750> #8 0x0000557b29f1836c aio_dispatch (qemu-kvm + 0xa5436c) #9 0x0000557b29f382bf aio_ctx_dispatch (qemu-kvm + 0xa742bf) #10 0x00007f75b4719f4f g_main_context_dispatch (libglib-2.0.so.> #11 0x0000557b29f392de main_loop_wait (qemu-kvm + 0xa752de) #12 0x0000557b29a31f14 qemu_main_loop (qemu-kvm + 0x56df14) #13 0x0000557b29862e1a qemu_default_main (qemu-kvm + 0x39ee1a) #14 0x00007f75b3e29590 __libc_start_call_main (libc.so.6 + 0x29> #15 0x00007f75b3e29640 __libc_start_main@@GLIBC_2.34 (libc.so.6> #16 0x0000557b29862535 _start (qemu-kvm + 0x39e535) Please provide the package NVR for which bug is seen: Red Hat Enterprise Linux release 9.5 Beta (Plow) 5.14.0-440.el9.x86_64 qemu-kvm-9.0.0-1.el9.x86_64 seabios-bin-1.16.3-2.el9.noarch edk2-ovmf-20240214-2.el9.noarch How reproducible: 100% Steps to reproduce 1. Create data file qemu-img create -f qcow2 /home/kvm_autotest_root/images/storage0.qcow2 10G 2.Boot VM /usr/libexec/qemu-kvm \ -name 'avocado-vt-vm1' \ -machine q35,memory-backend=mem-machine_mem \ -device '{"id": "pcie-root-port-0", "driver": "pcie-root-port", "multifunction": true, "bus": "pcie.0", "addr": "0x1", "chassis": 1}' \ -device '{"id": "pcie-pci-bridge-0", "driver": "pcie-pci-bridge", "addr": "0x0", "bus": "pcie-root-port-0"}' \ -nodefaults \ -device '{"driver": "VGA", "bus": "pcie.0", "addr": "0x2"}' \ -m 12288 \ -object '{"size": 12884901888, "id": "mem-machine_mem", "qom-type": "memory-backend-ram"}' \ -smp 8,maxcpus=8,cores=4,threads=1,dies=1,sockets=2 \ -cpu 'Skylake-Server',+kvm_pv_unhalt \ -device '{"id": "pcie-root-port-1", "port": 1, "driver": "pcie-root-port", "addr": "0x1.0x1", "bus": "pcie.0", "chassis": 2}' \ -device '{"driver": "qemu-xhci", "id": "usb1", "bus": "pcie-root-port-1", "addr": "0x0"}' \ -device '{"driver": "usb-tablet", "id": "usb-tablet1", "bus": "usb1.0", "port": "1"}' \ -blockdev '{"node-name": "file_image1", "driver": "file", "auto-read-only": true, "discard": "unmap", "aio": "io_uring", "filename": "/home/kvm_autotest_root/images/rhel950-64-virtio.qcow2", "cache": {"direct": true, "no-flush": false}}' \ -blockdev '{"node-name": "drive_image1", "driver": "qcow2", "read-only": false, "cache": {"direct": true, "no-flush": false}, "file": "file_image1"}' \ -device '{"id": "pcie-root-port-2", "port": 2, "driver": "pcie-root-port", "addr": "0x1.0x2", "bus": "pcie.0", "chassis": 3}' \ -device '{"driver": "virtio-blk-pci", "id": "image1", "drive": "drive_image1", "bootindex": 0, "write-cache": "on", "bus": "pcie-root-port-2", "addr": "0x0"}' \ -device '{"id": "pcie-root-port-3", "port": 3, "driver": "pcie-root-port", "addr": "0x1.0x3", "bus": "pcie.0", "chassis": 4}' \ -device '{"driver": "virtio-net-pci", "mac": "9a:b3:ea:71:62:fb", "id": "idPTdSDf", "netdev": "idy1GpeM", "bus": "pcie-root-port-3", "addr": "0x0"}' \ -netdev '{"id": "idy1GpeM", "type": "tap", "vhost": true}' \ -enable-kvm \ -device '{"id": "pcie_extra_root_port_0", "driver": "pcie-root-port", "multifunction": true, "bus": "pcie.0", "addr": "0x3", "chassis": 5}' \ -vnc :5 \ -monitor stdio \ -qmp tcp:0:5955,server=on,wait=off \ -rtc base=utc,clock=host,driftfix=slew \ -boot menu=off,order=cdn,once=c,strict=off \ -enable-kvm \ 3. hotplug disk with aio=io_uring {"execute": "blockdev-add", "arguments": {"node-name": "file_stg0", "driver": "file", "auto-read-only": true, "discard": "unmap", "aio": "io_uring", "filename": "/home/kvm_autotest_root/images/storage0.qcow2", "cache": {"direct": true, "no-flush": false}}, "id": "hul0bYT2"} {"execute": "blockdev-add", "arguments": {"node-name": "drive_stg0", "driver": "qcow2", "read-only": false, "cache": {"direct": true, "no-flush": false}, "file": "file_stg0"}, "id": "De38S5OW"} {"execute": "device_add", "arguments": {"driver": "virtio-blk-pci", "id": "stg0", "drive": "drive_stg0", "write-cache": "on", "serial": "TARGET_DISK0", "bus": "pcie_extra_root_port_0", "addr": "0x0"}, "id": "niQrUGeT"} Expected results 4. execute block_resize on disk {"execute": "block_resize", "arguments": {"node-name": "drive_stg0", "size": 16106127360}, "id": "BskGR36w"} Actual results qemu crash PS: not hit the issue on qemu-kvm-8.2.0-11.el9_4.x86_64 not hit issue when hotplug disk with aio=threads
- is cloned by
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RHEL-43409 aio=io_uring: Assertion failure `luringcb->co->ctx == s->aio_context' with block_resize
- Release Pending
- is related to
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RHEL-38697 aio=native: Assertion failure `laiocb->co->ctx == laiocb->ctx->aio_context' with block_resize
- Closed
- links to
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RHSA-2024:131023 qemu-kvm bug fix and enhancement update