| Summary: |
Qemu core dump after block mirror to nbd disk with data-plane |
| Product: |
Red Hat Enterprise Linux 7
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Reporter: |
Qianqian Zhu <qizhu> |
| Component: |
qemu-kvm-rhev | Assignee: |
Kevin Wolf <kwolf> |
| Status: |
CLOSED
DUPLICATE
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QA Contact: |
Gu Nini <ngu> |
| Severity: |
high
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Docs Contact: |
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| Priority: |
high
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| Version: |
7.5 | CC: |
aliang, chayang, coli, eblake, juzhang, knoel, lolyu, stefanha, virt-maint, xfu, yhong
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| Target Milestone: |
rc | |
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| Target Release: |
--- | |
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| Hardware: |
Unspecified | |
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| OS: |
Unspecified | |
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| Whiteboard: |
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Fixed In Version:
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Doc Type:
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If docs needed, set a value
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Doc Text:
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Story Points:
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Clone Of:
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Environment:
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Last Closed:
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2018-09-27 18:45:32 UTC
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Type:
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Bug
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Regression:
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Mount Type:
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Documentation:
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CRM:
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Verified Versions:
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Category:
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---
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oVirt Team:
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RHEL 7.3 requirements from Atomic Host:
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Cloudforms Team:
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Target Upstream Version:
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Embargoed:
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Description of problem: Qemu core dump after block mirror to ndb disk with data-plane. Without data-plane, the operation will succeed normally. Version-Release number of selected component (if applicable): qemu-kvm-rhev-2.10.0-12.el7.x86_64 kernel-3.10.0-820.el7.x86_64 How reproducible: 90% Steps to Reproduce: 1. Source: /usr/libexec/qemu-kvm \ -M q35,accel=kvm,kernel-irqchip=split \ -m 4G \ -device virtio-scsi-pci,id=virtio_scsi_pci0,bus=pcie.0,iothread=iothread1 \ -object iothread,id=iothread1 \ -drive id=drive_image1,if=none,snapshot=off,aio=threads,cache=writethrough,format=qcow2,file=/home/kvm_autotest_root/images/win2008-r2-64-virtio-scsi.qcow2 \ -device scsi-hd,id=image1,drive=drive_image1 \ -device virtio-net-pci,mac=9a:89:8a:8b:8c:8d,id=idTqeiKU,netdev=idU17IIx,bus=pcie.0 \ -netdev tap,id=idU17IIx \ -cpu 'SandyBridge',+kvm_pv_unhalt \ -vnc :0 \ -enable-kvm \ -qmp tcp::5555,server,nowait \ -monitor stdio Destination: /usr/libexec/qemu-kvm \ -M q35,accel=kvm,kernel-irqchip=split \ -m 4G \ -device virtio-scsi-pci,id=virtio_scsi_pci0,bus=pcie.0,iothread=iothread1 \ -object iothread,id=iothread1 \ -drive id=drive_image1,if=none,snapshot=off,aio=threads,cache=writethrough,format=qcow2,file=/home/mirror.qcow2 \ -device scsi-hd,id=image1,drive=drive_image1 \ -device virtio-net-pci,mac=9a:89:8a:8b:8c:8d,id=idTqeiKU,netdev=idU17IIx,bus=pcie.0 \ -netdev tap,id=idU17IIx \ -cpu 'SandyBridge',+kvm_pv_unhalt \ -vnc :1 \ -enable-kvm \ -qmp tcp::5566,server,nowait \ -monitor stdio \ --incoming tcp::1234 2. Destination: { "execute": "qmp_capabilities"} {"return": {}} { "execute": "nbd-server-start", "arguments": { "addr": { "type": "inet","data": { "host":"10.66.8.133", "port": "9000" } } } } {"return": {}} {"execute":"nbd-server-add","arguments":{"device":"drive_image1", "writable": true}} {"return": {}} 3. Source: { "execute": "drive-mirror", "arguments": { "device": "drive_image1", "target": "nbd://10.66.8.133:9000/drive_image1", "sync": "full", "format": "raw", "mode": "existing" } } Actual results: Destination qemu prompt: (qemu) qemu-kvm: Disconnect client, due to: Unable to read from socket: Connection reset by peer Source qemu core dump: qemu-kvm: util/aio-posix.c:520: run_poll_handlers: Assertion `ctx->poll_disable_cnt == 0' failed. Program received signal SIGABRT, Aborted. [Switching to Thread 0x7fffe694a700 (LWP 18015)] 0x00007fffed9f01f7 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: debuginfo-install elfutils-libelf-0.168-5.el7.x86_64 elfutils-libs-0.168-5.el7.x86_64 glibc-2.17-194.el7.x86_64 glusterfs-api-3.12.2-1.el7rhgs.x86_64 glusterfs-libs-3.12.2-1.el7rhgs.x86_64 libcurl-7.29.0-35.el7.x86_64 libgcc-4.8.5-14.el7.x86_64 libibverbs-13-5.el7.x86_64 librdmacm-13-5.el7.x86_64 libstdc++-4.8.5-14.el7.x86_64 nss-softokn-freebl-3.28.3-4.el7.x86_64 nss-util-3.28.4-2.el7.x86_64 spice-server-0.12.8-1.el7.x86_64 systemd-libs-219-38.el7.x86_64 (gdb) bt full #0 0x00007fffed9f01f7 in raise () at /lib64/libc.so.6 #1 0x00007fffed9f18e8 in abort () at /lib64/libc.so.6 #2 0x00007fffed9e9266 in __assert_fail_base () at /lib64/libc.so.6 #3 0x00007fffed9e9312 in () at /lib64/libc.so.6 #4 0x0000555555abd4e7 in aio_poll (max_ns=8000, ctx=0x555556d35ac0) at util/aio-posix.c:520 progress = <optimized out> end_time = <optimized out> max_ns = 8000 node = <optimized out> i = <optimized out> ret = 0 progress = <optimized out> timeout = <optimized out> start = 80632500985065 __PRETTY_FUNCTION__ = "aio_poll" #5 0x0000555555abd4e7 in aio_poll (blocking=true, ctx=0x555556d35ac0) at util/aio-posix.c:555 max_ns = 8000 node = <optimized out> i = <optimized out> ret = 0 progress = <optimized out> timeout = <optimized out> start = 80632500985065 __PRETTY_FUNCTION__ = "aio_poll" #6 0x0000555555abd4e7 in aio_poll (ctx=0x555556d35ac0, blocking=blocking@entry=true) at util/aio-posix.c:595 node = <optimized out> i = <optimized out> ret = 0 progress = <optimized out> timeout = <optimized out> start = 80632500985065 __PRETTY_FUNCTION__ = "aio_poll" #7 0x00005555558b115e in iothread_run (opaque=0x555556ce7440) at iothread.c:59 iothread = 0x555556ce7440 #8 0x00007fffedd85e25 in start_thread () at /lib64/libpthread.so.0 #9 0x00007fffedab334d in clone () at /lib64/libc.so.6 Expected results: Block mirror succeed. Additional info: