qemu-system-x86_64 crashed with SIGSEGV in virtio_pci_mask_vq()
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
qemu-kvm (Debian) |
Fix Released
|
Unknown
|
|||
qemu-kvm (Ubuntu) |
Fix Released
|
Critical
|
Serge Hallyn |
Bug Description
tried to start some VMs today for the Alpha3 testing -- they died with a "kernel: [34396.173557] kvm[16129]: segfault at 10 ip 00007f7e78cdb89e sp 00007f7e6be31ad0 error 4 in qemu-system-
Tried to start a GDB on a KVM, failed.
Uninstalled PURGE libvirt*, and reinstalled. Run another KVM, and finally I got this bug.
ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: qemu-kvm 1.1~rc+
ProcVersionSign
Uname: Linux 3.5.0-6-generic x86_64
NonfreeKernelMo
ApportVersion: 2.4-0ubuntu5
Architecture: amd64
Date: Wed Jul 25 19:35:27 2012
ExecutablePath: /usr/bin/
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120701)
KvmCmdLine: Error: command ['ps', '-C', 'kvm', '-F'] failed with exit code 1: UID PID PPID C SZ RSS PSR STIME TTY TIME CMD
MachineType: Dell Inc. Latitude E6410
ProcEnviron: PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=
SegvAnalysis:
Segfault happened at: 0x7f7e78cdb89e <virtio_
PC (0x7f7e78cdb89e) ok
source "(%r8)" (0x00000010) not located in a known VMA region (needed readable region)!
destination "%edi" ok
Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: qemu-kvm
StacktraceTop:
virtio_pci_mask_vq (vector=
virtio_
msix_set_
msix_set_
virtio_
Title: qemu-system-x86_64 crashed with SIGSEGV in virtio_
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
dmi.bios.date: 05/26/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 0K42JR
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.name: Latitude E6410
dmi.product.
dmi.sys.vendor: Dell Inc.
CVE References
tags: | added: patch |
Changed in qemu-kvm (Debian): | |
status: | Unknown → Fix Released |
StacktraceTop: vector@ entry=1, vq=0x7f7e7a00f100, masked= masked@ entry=0, dev=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/ buildd/ qemu-kvm- 1.1~rc+ dfsg/hw/ virtio- pci.c:546 pci_mask_ notifier (dev=0x7f7e79ff 5670, vector=1, masked=0) at /build/ buildd/ qemu-kvm- 1.1~rc+ dfsg/hw/ virtio- pci.c:576 mask_notifier_ for_vector (vector=1, dev=0x7f7e79ff5670) at /build/ buildd/ qemu-kvm- 1.1~rc+ dfsg/hw/ msix.c: 562 mask_notifier (dev=dev@ entry=0x7f7e79f f5670, f=f@entry= 0x7f7e78cdb930 <virtio_ pci_mask_ notifier> ) at /build/ buildd/ qemu-kvm- 1.1~rc+ dfsg/hw/ msix.c: 577 pci_set_ guest_notifiers (opaque= 0x7f7e79ff5670, assign=true) at /build/ buildd/ qemu-kvm- 1.1~rc+ dfsg/hw/ virtio- pci.c:651
virtio_pci_mask_vq (vector=
virtio_
msix_set_
msix_set_
virtio_