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[Bug 1656234] Re: Qemu core dumped if using virtio-net
From: |
Thomas Huth |
Subject: |
[Bug 1656234] Re: Qemu core dumped if using virtio-net |
Date: |
Wed, 23 Oct 2019 14:38:50 -0000 |
Fix had been included here:
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=332fa82d0963409
** Changed in: qemu
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1656234
Title:
Qemu core dumped if using virtio-net
Status in QEMU:
Fix Released
Bug description:
System Environment
=======
Qemu commit/branch: e92fbc75
Host OS: RHEL7.2 ia32e
Host Kernel: 4.9.0
Guest OS: RHEL7.2 ia32e
Guest Kernel: 4.9.0
Bug detailed description
=======
While create a kvm guest using virtio-net, the qemu will core dump with
showing "Aborted (core dumped)".
Reproduce Steps
==============
create a guest:
qemu-system-x86_64 -enable-kvm -m 4096 -smp 4 -device
virtio-net-pci,netdev=nic0,mac=00:16:3e:49:be:24 -netdev
tap,id=nic0,script=/etc/kvm/qemu-ifup -drive
file=/ia32e_rhel7u2_kvm.qcow2,if=none,id=virtio-disk0 -device
virtio-blk-pci,drive=virtio-disk0 -serial file:serial.log
Current Result:
==============
qemu-system-x86_64:
/workspace/ia32e/nightly/kvm-next-20170105-ef85b6-e92fbc/kvm/qemu/hw/virtio/virtio.c:214:
virtio_queue_set_notification: Assertion `vq->notification_disabled > 0'
failed.
Aborted (core dumped)
add info
========
[root@hsw-ep2 Desktop]# dmesg |grep -v virbr0 |tail -n 10
[ 1760.265000] device tap0 left promiscuous mode
[ 1879.148642] device tap0 entered promiscuous mode
[ 1885.213702] kvm [14186]: vcpu0, guest rIP: 0xffffffff81066784 disabled
perfctr wrmsr: 0xc2 data 0xffff
[ 1912.258783] device tap0 left promiscuous mode
[ 1995.972267] device tap0 entered promiscuous mode
[ 2001.990207] kvm [14335]: vcpu0, guest rIP: 0xffffffff81066784 disabled
perfctr wrmsr: 0xc2 data 0xffff
[ 2024.703072] device tap0 left promiscuous mode
[ 2145.374239] device tap0 entered promiscuous mode
[ 2151.409948] kvm [14541]: vcpu0, guest rIP: 0xffffffff81066784 disabled
perfctr wrmsr: 0xc2 data 0xffff
[ 2178.281446] device tap0 left promiscuous mode
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