Bug 1387665
Summary: | usb-serial hotplug crashes libvirtd | ||
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Product: | Red Hat Enterprise Linux 7 | Reporter: | Ján Tomko <jtomko> |
Component: | libvirt | Assignee: | Ján Tomko <jtomko> |
Status: | CLOSED ERRATA | QA Contact: | Pei Zhang <pzhang> |
Severity: | high | Docs Contact: | |
Priority: | unspecified | ||
Version: | 7.3 | CC: | chhu, dyuan, jdenemar, jtomko, pzhang, rbalakri, xuzhang |
Target Milestone: | rc | ||
Target Release: | --- | ||
Hardware: | Unspecified | ||
OS: | Unspecified | ||
Whiteboard: | |||
Fixed In Version: | libvirt-2.5.0-1.el7 | Doc Type: | If docs needed, set a value |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2017-08-01 17:19:14 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: | |||
Bug Depends On: | |||
Bug Blocks: | 1401400 |
Description
Ján Tomko
2016-10-21 13:35:06 UTC
Upstream patch proposed: https://www.redhat.com/archives/libvir-list/2016-October/msg00974.html I can reproduce it. version : libvirt-2.0.0-10.el7.x86_64 qemu-kvm-rhev-2.6.0-28.el7.x86_64 steps : 1. define and start a guest # virsh list Id Name State ---------------------------------------------------- 11 vm1 running 2. restart libvirtd # systemctl restart libvirtd 3. prepare a usb-serial device # cat dev.xml <serial type="tcp"> <source mode="bind" host="127.0.0.1" service="2448"/> <protocol type="raw"/> <target type='usb-serial' port='0'/> </serial> attach-device to guest, libvirtd crash. # virsh attach-device vm1 dev.xml error: Disconnected from qemu:///system due to I/O error error: Failed to attach device from dev.xml error: End of file while reading data: Input/output error Fixed upstream by: commit 00c5386c8622514553c41041312acf0ea86278d7 Author: Ján Tomko <jtomko> CommitDate: 2016-10-27 11:15:33 +0200 Fix crash on usb-serial hotplug For domains with no USB address cache, we should not attempt to generate a USB address. https://bugzilla.redhat.com/show_bug.cgi?id=1387665 git describe: v2.3.0-218-g00c5386 Verified versions : libvirt-3.2.0-3.el7.x86_64 qemu-kvm-rhev-2.9.0-1.el7.x86_64 Steps : 1.Start a guest, then restart libvirtd # virsh list Id Name State ---------------------------------------------------- 9 r74 running # systemctl restart libvirtd 2. Prepare a usb-serial device # cat tcp-serial.xml <serial type='tcp'> <source mode='bind' host='127.0.0.1' service='4555' tls='no'/> <protocol type='raw'/> <target type='usb-serial' port='0'/> </serial> # virsh attach-device r74 tcp-serial.xml error: Failed to attach device from tcp-serial.xml error: unsupported configuration: usb-serial is not supported in this QEMU binary Libvirtd will not crash, move to verified. 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-2017:1846 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-2017:1846 |