Bug 1510781
| Summary: | libvirtd crashes in qemuDomainHasBlockjob after qemu-attach | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Dan Zheng <dzheng> | ||||
| Component: | libvirt | Assignee: | Peter Krempa <pkrempa> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Fangge Jin <fjin> | ||||
| Severity: | high | Docs Contact: | |||||
| Priority: | high | ||||||
| Version: | 7.5 | CC: | dyuan, mtessun, pkrempa, rbalakri, xuzhang, yalzhang | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | libvirt-3.9.0-2.el7 | Doc Type: | If docs needed, set a value | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2018-04-10 10:59:09 UTC | Type: | Bug | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Created attachment 1349321 [details]
libvirtd_crash_qemu_attach.log
Thread 14 (Thread 0x7f06fdc14700 (LWP 13457)):
#0 0x00007f06f14e63fd in qemuDomainHasBlockjob (vm=vm@entry=0x7f06d4003ce0, copy_only=copy_only@entry=false) at qemu/qemu_domain.c:6342
#1 0x00007f06f14e68d4 in qemuDomainObjPrivateXMLFormatBlockjobs (vm=0x7f06d4003ce0, buf=0x7f06fdc13820) at qemu/qemu_domain.c:1913
#2 qemuDomainObjPrivateXMLFormat (buf=0x7f06fdc13820, vm=0x7f06d4003ce0) at qemu/qemu_domain.c:2056
#3 0x00007f070ec50248 in virDomainObjFormat (xmlopt=0x7f06e82f81f0, obj=obj@entry=0x7f06d4003ce0, caps=0x7f06e821b6c0,
flags=flags@entry=313) at conf/domain_conf.c:26518
#4 0x00007f070ec5031c in virDomainSaveStatus (xmlopt=<optimized out>, statusDir=0x7f06e810c5f0 "/var/run/libvirt/qemu",
obj=obj@entry=0x7f06d4003ce0, caps=<optimized out>) at conf/domain_conf.c:26684
#5 0x00007f06f150de65 in qemuProcessAttach (conn=conn@entry=0x7f06d80009a0, driver=driver@entry=0x7f06e80f2bf0, vm=0x7f06d4003ce0,
Fixed upstream:
commit 994c49ac34181cb664b18856df38c2f5c326ff03
Author: Peter Krempa <pkrempa>
Date: Wed Nov 8 20:44:35 2017 +0100
qemu: parse: Allocate disk definition with private data
Use virDomainDiskDefNew instead of VIR_ALLOC in
qemuParseCommandLineDisk.
Reproduce this bug with libvirt-3.9.0-1.el7.x86_64 Verified with 3.9.0-4.virtcov.el7 Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2018:0704 |
Description of problem: The command execution fails and the libvirtd service will crash after qemu-attach <qemu_PID>. Version-Release number of selected component (if applicable): qemu-kvm-rhev-2.10.0-4.el7.ppc64le libvirt-3.9.0-1.el7.ppc64le 3.10.0-768.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1. # systemctl status libvirtd ● libvirtd.service - Virtualization daemon Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2017-11-08 16:43:10 CST; 7s ago Docs: man:libvirtd(8) https://libvirt.org Main PID: 13453 (libvirtd) Tasks: 19 (limit: 32768) CGroup: /system.slice/libvirtd.service ├─ 5219 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/libexec/libvirt_... ├─ 5220 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/libexec/libvirt_... └─13453 /usr/sbin/libvirtd # # /usr/libexec/qemu-kvm -m 2048 -drive file=/var/lib/avocado/data/avocado-vt/images/jeos-25-64.qcow2,if=none,index=0 -monitor unix:/tmp/ss,server,nowait -name test -uuid 1fdf7c78-866a-4dcf-b017-5a9299682e1f & [1] 13992 # VNC server running on ::1:5900 # ps -ef|grep qemu root 13992 6435 45 16:43 pts/3 00:00:12 /usr/libexec/qemu-kvm -m 2048 -drive file=/var/lib/avocado/data/avocado-vt/images/jeos-25-64.qcow2,if=none,index=0 -monitor unix:/tmp/ss,server,nowait -name test -uuid 1fdf7c78-866a-4dcf-b017-5a9299682e1f # virsh qemu-attach 13992 error: Disconnected from qemu:///system due to end of file error: Failed to attach to pid 13992 error: Cannot recv data: Connection reset by peer # systemctl status libvirtd ● libvirtd.service - Virtualization daemon Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2017-11-08 16:45:30 CST; 13s ago Docs: man:libvirtd(8) https://libvirt.org Main PID: 14938 (libvirtd) Actual results: libvirtd did crash. Expected results: libvirtd does not crash and qemu process can be attached. Additional info: See attachment for gdb log