[Bug 1605506] Re: qemu driver_mirror error "Operation not permitted"
[Expired for QEMU because there has been no activity for 60 days.] ** Changed in: qemu Status: Incomplete => Expired -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1605506 Title: qemu driver_mirror error "Operation not permitted" Status in QEMU: Expired Bug description: I use libvirtd to call qemu drive_mirror return error message "Operation not permitted", But directly run qemu and call drive_mirror is OK; when drive_mirror target is logic device return error message "Operation not permitted",But the file is OK; Operating Environment: OS:ubuntu 14.04 kernel:3.16.0-28-generic libvirt-bin version: 1.2.2-0ubuntu13.1.17 qemu:2.5.0 or 2.6.0 run vm user: root (retry in redhat7.2 have the same problem!) Here is my running process: libvirtd call prepare libvirt xml libvirt.xml i-745F35DC 65536 1 hvm destroy restart destroy /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 bc-system virsh create libvirt.xml root@test:/opt/run/instance/i-745F35DC# virsh list IdName State 2 i-745F35DC running call drive_mirror: virsh qemu-monitor-command --hmp i-745F35DC 'drive_mirror -n -f drive-ide0-0-0 /dev/vg_bc_local/test raw' Could not open '/dev/vg_bc_local/test': Operation not permitted directly run qemu and call drive_mirror: /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 -hda /tmp/image.raw -m 64 --enable-kvm -vnc :51 -monitor stdio QEMU 2.5.0 monitor - type 'help' for more information (qemu) info block ide0-hd0 (#block135): /tmp/image.raw (raw) Cache mode: writeback (qemu) drive_mirror -n -f ide0-hd0 /dev/vg_bc_local/test raw (qemu) info block-jobs Type mirror, device ide0-hd0: Completed 41126400 of 41126400 bytes, speed limit 0 bytes/s (qemu) block_job_cancel ide0-hd0 (qemu) info block-jobs No active jobs It is OK!!! Here is my debugging process: Recompile qemu-2.5.0 to enable debug ../configure --prefix=/usr/local/qemu-2.5.0-20160720 --enable-trace-backend=simple --enable-werror --disable-xen --disable-virtfs --enable-kvm --enable-seccomp --enable-docs --enable-debug-tcg --enable-vnc-sasl --enable-linux-aio --enable-lzo --enable-snappy --enable-usb-redir --enable-vnc-png --disable-vnc-jpeg --enable-uuid --disable-vhost-scsi --enable-rbd --block-drv-rw-whitelist=qcow2,raw,file,host_device,blkdebug,nbd,iscsi,rbd,cdp --block-drv-ro-whitelist=vmdk,vhdx,vpc --target-list=x86_64-softmmu CFLAGS=-O0 Use libvirtd to Re-run VM and debug by gdb VM process info: root 7804 1 0 10:45 ?00:00:10 /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 -name i-745F35DC -S -machine pc-i440fx-2.5,accel=kvm,usb=off -cpu Westmere,+invpcid,+erms,+bmi2,+smep,+avx2,+bmi1,+fsgsbase,+abm,+rdtscp,+pdpe1gb,+rdrand,+f16c,+avx,+osxsave,+xsave,+tsc-deadline,+movbe,+pcid,+pdcm,+xtpr,+fma,+tm2,+est,+vmx,+ds_cpl,+monitor,+dtes64,+pclmuldq,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 64 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid ef55dfa6-b82e-488d-a7fc-4c882f8091ab -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/i-745F35DC.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/tmp/image.raw,if=none,id=drive-ide0-0-0,format=raw,serial=bc-system,cache=none -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=2 -vnc 0.0.0.0:0,password -k en-us -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 gdb -p 7804 set breakpoint (gdb) i b Num Type Disp Enb AddressWhat 1 breakpoint keep y 0x7f51d9e92cb1 in qmp_drive_mirror at /opt/qemu/qemu-2.5.0/blockdev.c:3310 2 breakpoint keep y 0x7f51da1252f2 in raw_open_common at /opt/qemu/qemu-2.5.0/block/raw-posix.c:457 3 breakpoint keep y 0x7f51da12500f in raw_parse_flags at /opt/qemu/qemu-2.5.0/block/raw-posix.c:358 (gdb) call drive_mirror and debug: (gdb) raw_open_common (bs=0x7f4b27259ab0, options=0x7f4b27480290, bdrv_flags=24674, open_flags=0, errp=0x7fff4a19f548) at /opt/qemu/qemu-2.5.0/block/raw-posix.c:484 484s->fd = -1; (gdb) n 485fd = qemu_open(filename, s->open_flags, 0644); (gdb) s qemu_open (name=0x7f4b2642b5c0 "/dev/vg_bc_local/test", flags=2) at /opt/qemu/qemu-2.5.0/util/osdep.c:177 177int mode = 0; (gdb) n 183if (strstart(name, "/dev/fdset/", _id_str)) {
[Bug 1605506] Re: qemu driver_mirror error "Operation not permitted"
Do you have SELinux or AppArmor or something similar enabled? ** Changed in: qemu Status: New => Incomplete -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1605506 Title: qemu driver_mirror error "Operation not permitted" Status in QEMU: Incomplete Bug description: I use libvirtd to call qemu drive_mirror return error message "Operation not permitted", But directly run qemu and call drive_mirror is OK; when drive_mirror target is logic device return error message "Operation not permitted",But the file is OK; Operating Environment: OS:ubuntu 14.04 kernel:3.16.0-28-generic libvirt-bin version: 1.2.2-0ubuntu13.1.17 qemu:2.5.0 or 2.6.0 run vm user: root (retry in redhat7.2 have the same problem!) Here is my running process: libvirtd call prepare libvirt xml libvirt.xml i-745F35DC 65536 1 hvm destroy restart destroy /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 bc-system virsh create libvirt.xml root@test:/opt/run/instance/i-745F35DC# virsh list IdName State 2 i-745F35DC running call drive_mirror: virsh qemu-monitor-command --hmp i-745F35DC 'drive_mirror -n -f drive-ide0-0-0 /dev/vg_bc_local/test raw' Could not open '/dev/vg_bc_local/test': Operation not permitted directly run qemu and call drive_mirror: /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 -hda /tmp/image.raw -m 64 --enable-kvm -vnc :51 -monitor stdio QEMU 2.5.0 monitor - type 'help' for more information (qemu) info block ide0-hd0 (#block135): /tmp/image.raw (raw) Cache mode: writeback (qemu) drive_mirror -n -f ide0-hd0 /dev/vg_bc_local/test raw (qemu) info block-jobs Type mirror, device ide0-hd0: Completed 41126400 of 41126400 bytes, speed limit 0 bytes/s (qemu) block_job_cancel ide0-hd0 (qemu) info block-jobs No active jobs It is OK!!! Here is my debugging process: Recompile qemu-2.5.0 to enable debug ../configure --prefix=/usr/local/qemu-2.5.0-20160720 --enable-trace-backend=simple --enable-werror --disable-xen --disable-virtfs --enable-kvm --enable-seccomp --enable-docs --enable-debug-tcg --enable-vnc-sasl --enable-linux-aio --enable-lzo --enable-snappy --enable-usb-redir --enable-vnc-png --disable-vnc-jpeg --enable-uuid --disable-vhost-scsi --enable-rbd --block-drv-rw-whitelist=qcow2,raw,file,host_device,blkdebug,nbd,iscsi,rbd,cdp --block-drv-ro-whitelist=vmdk,vhdx,vpc --target-list=x86_64-softmmu CFLAGS=-O0 Use libvirtd to Re-run VM and debug by gdb VM process info: root 7804 1 0 10:45 ?00:00:10 /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 -name i-745F35DC -S -machine pc-i440fx-2.5,accel=kvm,usb=off -cpu Westmere,+invpcid,+erms,+bmi2,+smep,+avx2,+bmi1,+fsgsbase,+abm,+rdtscp,+pdpe1gb,+rdrand,+f16c,+avx,+osxsave,+xsave,+tsc-deadline,+movbe,+pcid,+pdcm,+xtpr,+fma,+tm2,+est,+vmx,+ds_cpl,+monitor,+dtes64,+pclmuldq,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 64 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid ef55dfa6-b82e-488d-a7fc-4c882f8091ab -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/i-745F35DC.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/tmp/image.raw,if=none,id=drive-ide0-0-0,format=raw,serial=bc-system,cache=none -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=2 -vnc 0.0.0.0:0,password -k en-us -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 gdb -p 7804 set breakpoint (gdb) i b Num Type Disp Enb AddressWhat 1 breakpoint keep y 0x7f51d9e92cb1 in qmp_drive_mirror at /opt/qemu/qemu-2.5.0/blockdev.c:3310 2 breakpoint keep y 0x7f51da1252f2 in raw_open_common at /opt/qemu/qemu-2.5.0/block/raw-posix.c:457 3 breakpoint keep y 0x7f51da12500f in raw_parse_flags at /opt/qemu/qemu-2.5.0/block/raw-posix.c:358 (gdb) call drive_mirror and debug: (gdb) raw_open_common (bs=0x7f4b27259ab0, options=0x7f4b27480290, bdrv_flags=24674, open_flags=0, errp=0x7fff4a19f548) at /opt/qemu/qemu-2.5.0/block/raw-posix.c:484 484s->fd = -1; (gdb) n 485fd = qemu_open(filename, s->open_flags, 0644); (gdb) s qemu_open (name=0x7f4b2642b5c0 "/dev/vg_bc_local/test", flags=2) at /opt/qemu/qemu-2.5.0/util/osdep.c:177 177int mode = 0; (gdb) n 183if (strstart(name, "/dev/fdset/", _id_str)) {
[Qemu-devel] [Bug 1605506] Re: qemu driver_mirror error "Operation not permitted"
** Tags added: qemu -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1605506 Title: qemu driver_mirror error "Operation not permitted" Status in QEMU: New Bug description: I use libvirtd to call qemu drive_mirror return error message "Operation not permitted", But directly run qemu and call drive_mirror is OK; when drive_mirror target is logic device return error message "Operation not permitted",But the file is OK; Operating Environment: OS:ubuntu 14.04 kernel:3.16.0-28-generic libvirt-bin version: 1.2.2-0ubuntu13.1.17 qemu:2.5.0 or 2.6.0 run vm user: root (retry in redhat7.2 have the same problem!) Here is my running process: libvirtd call prepare libvirt xml libvirt.xml i-745F35DC 65536 1 hvm destroy restart destroy /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 bc-system virsh create libvirt.xml root@test:/opt/run/instance/i-745F35DC# virsh list IdName State 2 i-745F35DC running call drive_mirror: virsh qemu-monitor-command --hmp i-745F35DC 'drive_mirror -n -f drive-ide0-0-0 /dev/vg_bc_local/test raw' Could not open '/dev/vg_bc_local/test': Operation not permitted directly run qemu and call drive_mirror: /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 -hda /tmp/image.raw -m 64 --enable-kvm -vnc :51 -monitor stdio QEMU 2.5.0 monitor - type 'help' for more information (qemu) info block ide0-hd0 (#block135): /tmp/image.raw (raw) Cache mode: writeback (qemu) drive_mirror -n -f ide0-hd0 /dev/vg_bc_local/test raw (qemu) info block-jobs Type mirror, device ide0-hd0: Completed 41126400 of 41126400 bytes, speed limit 0 bytes/s (qemu) block_job_cancel ide0-hd0 (qemu) info block-jobs No active jobs It is OK!!! Here is my debugging process: Recompile qemu-2.5.0 to enable debug ../configure --prefix=/usr/local/qemu-2.5.0-20160720 --enable-trace-backend=simple --enable-werror --disable-xen --disable-virtfs --enable-kvm --enable-seccomp --enable-docs --enable-debug-tcg --enable-vnc-sasl --enable-linux-aio --enable-lzo --enable-snappy --enable-usb-redir --enable-vnc-png --disable-vnc-jpeg --enable-uuid --disable-vhost-scsi --enable-rbd --block-drv-rw-whitelist=qcow2,raw,file,host_device,blkdebug,nbd,iscsi,rbd,cdp --block-drv-ro-whitelist=vmdk,vhdx,vpc --target-list=x86_64-softmmu CFLAGS=-O0 Use libvirtd to Re-run VM and debug by gdb VM process info: root 7804 1 0 10:45 ?00:00:10 /usr/local/qemu-2.5.0-20160720/bin/qemu-system-x86_64 -name i-745F35DC -S -machine pc-i440fx-2.5,accel=kvm,usb=off -cpu Westmere,+invpcid,+erms,+bmi2,+smep,+avx2,+bmi1,+fsgsbase,+abm,+rdtscp,+pdpe1gb,+rdrand,+f16c,+avx,+osxsave,+xsave,+tsc-deadline,+movbe,+pcid,+pdcm,+xtpr,+fma,+tm2,+est,+vmx,+ds_cpl,+monitor,+dtes64,+pclmuldq,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme -m 64 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid ef55dfa6-b82e-488d-a7fc-4c882f8091ab -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/i-745F35DC.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/tmp/image.raw,if=none,id=drive-ide0-0-0,format=raw,serial=bc-system,cache=none -device ide-hd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=2 -vnc 0.0.0.0:0,password -k en-us -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 gdb -p 7804 set breakpoint (gdb) i b Num Type Disp Enb AddressWhat 1 breakpoint keep y 0x7f51d9e92cb1 in qmp_drive_mirror at /opt/qemu/qemu-2.5.0/blockdev.c:3310 2 breakpoint keep y 0x7f51da1252f2 in raw_open_common at /opt/qemu/qemu-2.5.0/block/raw-posix.c:457 3 breakpoint keep y 0x7f51da12500f in raw_parse_flags at /opt/qemu/qemu-2.5.0/block/raw-posix.c:358 (gdb) call drive_mirror and debug: (gdb) raw_open_common (bs=0x7f4b27259ab0, options=0x7f4b27480290, bdrv_flags=24674, open_flags=0, errp=0x7fff4a19f548) at /opt/qemu/qemu-2.5.0/block/raw-posix.c:484 484s->fd = -1; (gdb) n 485fd = qemu_open(filename, s->open_flags, 0644); (gdb) s qemu_open (name=0x7f4b2642b5c0 "/dev/vg_bc_local/test", flags=2) at /opt/qemu/qemu-2.5.0/util/osdep.c:177 177int mode = 0; (gdb) n 183if (strstart(name, "/dev/fdset/", _id_str)) { (gdb) 214if (flags & O_CREAT) { (gdb) 223char arg[1000] = {0}; (gdb) 227ret =