Public bug reported: I'm using Ubuntu 16.04 amd64.
Host system executes command like: qemu-system-x86_64 -initrd ./hyper-initrd.img -kernel ./kernel -m 512 -smp 1 -fsdev local,id=virtio9p,path=`pwd`/rootfs,security_model=none -device virtio- 9p-pci,fsdev=virtio9p,mount_tag=share_dir Qemu Intern system executes API like: mkdir("/nfs", 0755); mount("share_dir", "/nfs", "9p", MS_MGC_VAL| MS_NODEV, "trans=virtio,cache=loose") Then, external qemu-system_x86-64 crashes! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: qemu-kvm 1:2.5+dfsg-1ubuntu3 ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 Uname: Linux 4.3.0-5-generic x86_64 ApportVersion: 2.19.3-0ubuntu3 Architecture: amd64 CurrentDesktop: GNOME-Flashback Date: Fri Jan 22 17:08:41 2016 JournalErrors: MachineType: LENOVO ThinkCentre M8400t ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=da1b1143-7e41-4242-a0a5-5c5b748b3bfe ro quiet cgroup_enable=memory swapaccount=1 SourcePackage: qemu UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/17/2013 dmi.bios.vendor: LENOVO dmi.bios.version: 9SKT75AUS dmi.board.name: MAHOBAY dmi.board.vendor: LENOVO dmi.board.version: NOK dmi.chassis.type: 3 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvr9SKT75AUS:bd09/17/2013:svnLENOVO:pnThinkCentreM8400t:pvrLenovoProduct:rvnLENOVO:rnMAHOBAY:rvrNOK:cvnLENOVO:ct3:cvrNone: dmi.product.name: ThinkCentre M8400t dmi.product.version: Lenovo Product dmi.sys.vendor: LENOVO ** Affects: qemu (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial ** Description changed: I'm using Ubuntu 16.04 amd64. Host system executes command like: - qemu-system-x86_64 -initrd ./hyper-initrd.img -kernel ./kernel -m + qemu-system-x86_64 -initrd ./hyper-initrd.img -kernel ./kernel -m 512 -smp 1 -fsdev local,id=virtio9p,path=`pwd`/rootfs,security_model=none -device virtio- 9p-pci,fsdev=virtio9p,mount_tag=share_dir Qemu Intern system executes API like: - mkdir("/nfs", 0755); - mount("share_dir", "/nfs", "9p", MS_MGC_VAL| MS_NODEV, "trans=virtio,cache=loose") - + mkdir("/nfs", 0755); + mount("share_dir", "/nfs", "9p", MS_MGC_VAL| MS_NODEV, "trans=virtio,cache=loose") Then, external qemu-system_x86-64 crashes! ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: qemu-kvm 1:2.5+dfsg-1ubuntu3 ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3 Uname: Linux 4.3.0-5-generic x86_64 ApportVersion: 2.19.3-0ubuntu3 Architecture: amd64 CurrentDesktop: GNOME-Flashback Date: Fri Jan 22 17:08:41 2016 JournalErrors: - Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. - Users in the 'systemd-journal' group can see all messages. Pass -q to - turn off this notice. - No journal files were opened due to insufficient permissions. - KvmCmdLine: - COMMAND STAT EUID RUID PID PPID %CPU COMMAND - kvm-irqfd-clean S< 0 0 10793 2 0.0 [kvm-irqfd-clean] - Lspci: Error: [Errno 2] 没有那个文件或目录: 'lspci' - Lsusb: Error: [Errno 2] 没有那个文件或目录: 'lsusb' MachineType: LENOVO ThinkCentre M8400t ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.3.0-5-generic root=UUID=da1b1143-7e41-4242-a0a5-5c5b748b3bfe ro quiet cgroup_enable=memory swapaccount=1 SourcePackage: qemu - UdevLog: Error: [Errno 2] 没有那个文件或目录: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/17/2013 dmi.bios.vendor: LENOVO dmi.bios.version: 9SKT75AUS dmi.board.name: MAHOBAY dmi.board.vendor: LENOVO dmi.board.version: NOK dmi.chassis.type: 3 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvr9SKT75AUS:bd09/17/2013:svnLENOVO:pnThinkCentreM8400t:pvrLenovoProduct:rvnLENOVO:rnMAHOBAY:rvrNOK:cvnLENOVO:ct3:cvrNone: dmi.product.name: ThinkCentre M8400t dmi.product.version: Lenovo Product dmi.sys.vendor: LENOVO -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu. https://bugs.launchpad.net/bugs/1536969 Title: qemu-system_x86_64 crashes when internal system mount virtio-9p To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1536969/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs