Hi, I tried the patch v2,with the following config. Guest os : win7 32bit professional Host os : fedora 17 Command: qemu-kvm -enable-kvm -name win7 -M pc-0.15 -m 1024 -smp 2 -boot c -device virtio-serial -drive file=/home/libaiqing/vss/win7.img,if=virtio,index=0,format=qcow2 - -monitor stdio -vga qxl -vnc :1 -chardev socket,id=charchannel0,path=/var/lib/libvirt/qemu/wahaha1_requester,server,nowait -device virtserialport,chardev=charchannel0,id=channel0,name=org.qemu.guest_agent.1
Issue: 1 Extcuting the command "net start qemu-ga" failed,but the command "qemu-qa.exe -m virtio-serial -p \\.\Global\org.qemu.guest_agent.1" is ok. 2 executing the command "{"execute":"guest-fsfreeze-freeze"}" failed,the output is: [root@fedora121 ~]# socat stdio,ignoreeof unix-connect:/var/lib/libvirt/qemu/wahaha1_requester {'execute':'guest-info'} {"return": {"version": "1.4.50", "supported_commands": [{"enabled": true, "name": "guest-set-vcpus"}, {"enabled": true, "name": "guest-get-vcpus"}, {"enabled": true, "name": "guest-network-get-interfaces"}, {"enabled": true, "name": "guest-suspend-hybrid"}, {"enabled": true, "name": "guest-suspend-ram"}, {"enabled": true, "name": "guest-suspend-disk"}, {"enabled": true, "name": "guest-fstrim"}, {"enabled": true, "name": "guest-fsfreeze-thaw"}, {"enabled": true, "name": "guest-fsfreeze-freeze"}, {"enabled": true, "name": "guest-fsfreeze-status"}, {"enabled": true, "name": "guest-file-flush"}, {"enabled": true, "name": "guest-file-seek"}, {"enabled": true, "name": "guest-file-write"}, {"enabled": true, "name": "guest-file-read"}, {"enabled": true, "name": "guest-file-close"}, {"enabled": true, "name": "guest-file-open"}, {"enabled": true, "name": "guest-shutdown"}, {"enabled": true, "name": "guest-info"}, {"enabled": true, "name": "guest-set-time"}, {"enabled": true, "name": "guest-get-time"}, {"enabled": true, "name": "guest-ping"}, {"enabled": true, "name": "guest-sync"}, {"enabled": true, "name": "guest-sync-delimited"}]}} {"execute":"guest-fsfreeze-status"} {"return": "thawed"} {"execute":"guest-fsfreeze-freeze"} {"error": {"class": "GenericError", "desc": "Failed to pVssbc->SetContext. (Error: 8004231b) "}} Could you give me some advise to debug this problem ? I can provide more information if need. Regards, baiqing -----Original Message----- From: qemu-devel-bounces+libaiqing=huawei....@nongnu.org [mailto:qemu-devel-bounces+libaiqing=huawei....@nongnu.org] On Behalf Of Tomoki Sekiyama Sent: Saturday, April 13, 2013 4:02 AM To: qemu-devel@nongnu.org Cc: pbonz...@redhat.com; lcapitul...@redhat.com; vroze...@redhat.com; mdr...@linux.vnet.ibm.com Subject: [Qemu-devel] [RFC PATCH v2 00/11] qemu-ga: fsfreeze on Windows using VSS Hi, This patch series is attempts to add fsfreeze support for Windows qemu-guest-agent. changes from v1: - Fix out-tree build by stop using recursive Makefile - Added script to extract VSS SDK headers on POSIX systems using msitools (thanks Paolo) - Remove some unnecessary header files v1: http://lists.gnu.org/archive/html/qemu-devel/2013-02/msg01963.html * Description In Windows, VSS (Volume Shadow Copy Service) provides a facility to quiesce filesystems and applications before disk snapshots are taken. This patch series implements "fsfreeze" command of qemu-ga using VSS. * How to build & run qemu-ga with VSS support - Download Microsoft VSS SDK from: http://www.microsoft.com/en-us/download/details.aspx?id=23490 - Setup the SDK scripts/extract-vsssdk-headers setup.exe (on POSIX-systems) - Specify installed SDK directory to configure option as: ./configure -with-vss-sdk="path/to/VSS SDK" --cross-prefix=i686-w64-mingw32- - Make qemu-ga.exe - Install qemu-ga.exe and qga/vss-win32-provider/qga-provider.{dll,tlb} into the same directory in guests - Run `qemu-ga.exe -s install' and `net start qemu-ga' in the guests Any feedback are appliciated. --- Tomoki Sekiyama (11): configure: Support configuring c++ compiler Fix errors and warnings while compiling with c++ compilier Add a script to extract VSS SDK headers on POSIX system qemu-ga: Add an configure option to specify path to Windows VSS SDK qemu-ga: Add Windows VSS provider to quiesce applications on fsfreeze qemu-ga: Add Windows VSS requester to quisce applications and filesystems qemu-ga: call Windows VSS requester in fsfreeze command handler qemu-ga: install Windows VSS provider on `qemu-ga -s install' qemu-ga: Add VSS provider .tlb file in the repository QMP/qemu-ga-client: make timeout longer for guest-fsfreeze-freeze command QMP/qmp.py: set locale for exceptions to display non-ascii messages correctly .gitignore | 1 Makefile | 3 Makefile.objs | 2 QMP/qemu-ga-client | 4 QMP/qmp.py | 4 configure | 59 ++++ hmp.c | 2 hw/pci/pci.c | 2 qga/Makefile.objs | 7 qga/commands-win32.c | 74 ++++- qga/main.c | 41 +++ qga/vss-win32-provider.h | 26 ++ qga/vss-win32-provider/Makefile.objs | 25 ++ qga/vss-win32-provider/install.cpp | 494 +++++++++++++++++++++++++++++++ qga/vss-win32-provider/provider.cpp | 474 ++++++++++++++++++++++++++++++ qga/vss-win32-provider/qga-provider.def | 10 + qga/vss-win32-provider/qga-provider.idl | 20 + qga/vss-win32-provider/qga-provider.tlb | Bin qga/vss-win32-requester.cpp | 393 +++++++++++++++++++++++++ qga/vss-win32-requester.h | 31 ++ qga/vss-win32.h | 85 +++++ rules.mak | 9 + scripts/extract-vsssdk-headers | 25 ++ scripts/qapi.py | 9 + 24 files changed, 1785 insertions(+), 15 deletions(-) create mode 100644 qga/vss-win32-provider.h create mode 100644 qga/vss-win32-provider/Makefile.objs create mode 100644 qga/vss-win32-provider/install.cpp create mode 100644 qga/vss-win32-provider/provider.cpp create mode 100644 qga/vss-win32-provider/qga-provider.def create mode 100644 qga/vss-win32-provider/qga-provider.idl create mode 100644 qga/vss-win32-provider/qga-provider.tlb create mode 100644 qga/vss-win32-requester.cpp create mode 100644 qga/vss-win32-requester.h create mode 100644 qga/vss-win32.h create mode 100755 scripts/extract-vsssdk-headers