Greetings,
I'm seeing warnings when compiling KVM-87 on 64-bit jaunty. Make and
make install seem to complete and the module loads but networking fails
on VMs.
~$ uname -a
Linux tank 2.6.28-13-server #45-Ubuntu SMP Tue Jun 30 22:56:18 UTC 2009
x86_64 GNU/Linux
MAKE OUTPUT:
CC qemu-nbd.o
CC qemu-tool.o
CC tool-osdep.o
CC cutils.o
CC cache-utils.o
CC qemu-malloc.o
CC qemu-option.o
CC module.o
CC block/cow.o
block/cow.c: In function ‘cow_create’:
block/cow.c:251: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/cow.c:253: warning: ignoring return value of ‘ftruncate’, declared
with attribute warn_unused_result
CC block/qcow.o
block/qcow.c: In function ‘qcow_create’:
block/qcow.c:804: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow.c:806: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow.c:811: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
CC aes.o
CC block/vmdk.o
block/vmdk.c: In function ‘vmdk_snapshot_create’:
block/vmdk.c:236: warning: ignoring return value of ‘ftruncate’,
declared with attribute warn_unused_result
block/vmdk.c: In function ‘vmdk_create’:
block/vmdk.c:774: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/vmdk.c:775: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/vmdk.c:777: warning: ignoring return value of ‘ftruncate’,
declared with attribute warn_unused_result
block/vmdk.c:783: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/vmdk.c:789: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/vmdk.c:806: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
CC block/cloop.o
CC block/dmg.o
CC block/bochs.o
block/bochs.c: In function ‘seek_to_sector’:
block/bochs.c:202: warning: ignoring return value of ‘read’, declared
with attribute warn_unused_result
CC block/vpc.o
CC block/vvfat.o
block/vvfat.c: In function ‘commit_one_file’:
block/vvfat.c:2259: warning: ignoring return value of ‘ftruncate’,
declared with attribute warn_unused_result
CC block/qcow2.o
block/qcow2.c: In function ‘qcow_create2’:
block/qcow2.c:745: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow2.c:754: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow2.c:755: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow2.c:757: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow2.c:760: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow2.c:765: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow2.c:768: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
block/qcow2.c:771: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
CC block/qcow2-refcount.o
CC block/qcow2-cluster.o
CC block/qcow2-snapshot.o
CC block/parallels.o
CC block/nbd.o
CC nbd.o
CC block.o
block.c: In function ‘bdrv_open2’:
block.c:374: warning: ignoring return value of ‘realpath’, declared with
attribute warn_unused_result
CC aio.o
CC posix-aio-compat.o
CC block/raw-posix.o
block/raw-posix.c: In function ‘raw_create’:
block/raw-posix.c:851: warning: ignoring return value of ‘ftruncate’,
declared with attribute warn_unused_result
CC compatfd.o
LINK qemu-nbd
CC qemu-io.o
CC cmd.o
LINK qemu-io
GEN qemu-img-cmds.h
CC qemu-img.o
LINK qemu-img
CC libhw64/virtio.o
CC libhw64/virtio-pci.o
CC libhw64/fw_cfg.o
CC libhw64/watchdog.o
CC libhw64/nand.o
CC libhw64/ecc.o
CC libhw64/m48t59.o
CC libhw64/escc.o
CC libhw64/lsi53c895a.o
CC libhw64/esp.o
CC libhw64/dma-helpers.o
CC libhw64/sysbus.o
AR libhw64/libqemuhw64.a
CC readline.o
CC console.o
CC irq.o
CC ptimer.o
CC i2c.o
CC smbus.o
CC smbus_eeprom.o
CC max7310.o
CC max111x.o
CC wm8750.o
CC ssd0303.o
CC ssd0323.o
CC ads7846.o
CC stellaris_input.o
CC twl92230.o
CC tmp105.o
CC lm832x.o
CC eeprom93xx.o
CC tsc2005.o
CC scsi-disk.o
CC cdrom.o
CC scsi-generic.o
CC usb.o
CC usb-hub.o
CC usb-linux.o
usb-linux.c: In function ‘usb_host_read_file’:
usb-linux.c:1162: warning: ignoring return value of ‘fgets’, declared
with attribute warn_unused_result
CC usb-hid.o
CC usb-msd.o
CC usb-wacom.o
CC usb-serial.o
CC usb-net.o
CC sd.o
CC ssi-sd.o
CC bt.o
CC bt-host.o
CC bt-vhci.o
CC bt-l2cap.o
CC bt-sdp.o
CC bt-hci.o
CC bt-hid.o
CC usb-bt.o
CC bt-hci-csr.o
CC buffered_file.o
CC migration.o
CC migration-tcp.o
CC net.o
CC qemu-sockets.o
CC qemu-char.o
CC net-checksum.o
CC savevm.o
CC msmouse.o
CC ps2.o
CC qdev.o
CC ssi.o
CC migration-exec.o
CC audio/audio.o
CC audio/noaudio.o
CC audio/wavaudio.o
CC audio/mixeng.o
CC audio/sdlaudio.o
CC audio/ossaudio.o
CC audio/wavcapture.o
CC keymaps.o
CC sdl.o
CC x_keymap.o
CC curses.o
CC vnc.o
CC acl.o
CC d3des.o
CC vnc-tls.o
CC vnc-auth-vencrypt.o
CC slirp/cksum.o
CC slirp/if.o
CC slirp/ip_icmp.o
CC slirp/ip_input.o
CC slirp/ip_output.o
CC slirp/slirp.o
CC slirp/mbuf.o
CC slirp/misc.o
slirp/misc.c: In function ‘fork_exec’:
slirp/misc.c:368: warning: ignoring return value of ‘write’, declared
with attribute warn_unused_result
CC slirp/sbuf.o
CC slirp/socket.o
CC slirp/tcp_input.o
CC slirp/tcp_output.o
CC slirp/tcp_subr.o
CC slirp/tcp_timer.o
CC slirp/udp.o
CC slirp/bootp.o
CC slirp/debug.o
CC slirp/tftp.o
AR libqemu_common.a
GEN x86_64-softmmu/qemu-options.h
CC x86_64-softmmu/vl.o
/usr/local/src/kvm-87/vl.c: In function ‘qemu_event_increment’:
/usr/local/src/kvm-87/vl.c:3777: warning: ignoring return value of
‘write’, declared with attribute warn_unused_result
/usr/local/src/kvm-87/vl.c: In function ‘main’:
/usr/local/src/kvm-87/vl.c:5928: warning: ignoring return value of
‘write’, declared with attribute warn_unused_result
/usr/local/src/kvm-87/vl.c:6373: warning: ignoring return value of
‘chdir’, declared with attribute warn_unused_result
/usr/local/src/kvm-87/vl.c:6392: warning: ignoring return value of
‘chdir’, declared with attribute warn_unused_result
CC x86_64-softmmu/osdep.o
GEN x86_64-softmmu/qemu-monitor.h
CC x86_64-softmmu/monitor.o
CC x86_64-softmmu/pci.o
CC x86_64-softmmu/loader.o
CC x86_64-softmmu/isa_mmio.o
CC x86_64-softmmu/machine.o
CC x86_64-softmmu/gdbstub.o
GEN x86_64-softmmu/gdbstub-xml.c
CC x86_64-softmmu/gdbstub-xml.o
CC x86_64-softmmu/virtio-blk.o
CC x86_64-softmmu/virtio-balloon.o
CC x86_64-softmmu/virtio-net.o
CC x86_64-softmmu/virtio-console.o
CC x86_64-softmmu/usb-ohci.o
CC x86_64-softmmu/eepro100.o
CC x86_64-softmmu/ne2000.o
CC x86_64-softmmu/pcnet.o
CC x86_64-softmmu/rtl8139.o
CC x86_64-softmmu/e1000.o
CC x86_64-softmmu/wdt_ib700.o
CC x86_64-softmmu/wdt_i6300esb.o
CC x86_64-softmmu/ide.o
CC x86_64-softmmu/pckbd.o
CC x86_64-softmmu/vga.o
CC x86_64-softmmu/sb16.o
CC x86_64-softmmu/es1370.o
CC x86_64-softmmu/ac97.o
CC x86_64-softmmu/dma.o
CC x86_64-softmmu/fdc.o
CC x86_64-softmmu/mc146818rtc.o
CC x86_64-softmmu/serial.o
CC x86_64-softmmu/i8259.o
CC x86_64-softmmu/i8254.o
CC x86_64-softmmu/pcspk.o
CC x86_64-softmmu/pc.o
CC x86_64-softmmu/cirrus_vga.o
CC x86_64-softmmu/apic.o
CC x86_64-softmmu/ioapic.o
CC x86_64-softmmu/parallel.o
CC x86_64-softmmu/acpi.o
CC x86_64-softmmu/piix_pci.o
CC x86_64-softmmu/usb-uhci.o
CC x86_64-softmmu/vmmouse.o
CC x86_64-softmmu/vmport.o
CC x86_64-softmmu/vmware_vga.o
CC x86_64-softmmu/hpet.o
CC x86_64-softmmu/device-hotplug.o
CC x86_64-softmmu/pci-hotplug.o
/usr/local/src/kvm-87/hw/pci-hotplug.c: In function
‘pci_device_hot_remove_success’:
/usr/local/src/kvm-87/hw/pci-hotplug.c:248: warning: unused variable ‘adev’
CC x86_64-softmmu/smbios.o
CC x86_64-softmmu/extboot.o
CC x86_64-softmmu/i8254-kvm.o
CC x86_64-softmmu/exec.o
/usr/local/src/kvm-87/exec.c: In function ‘file_ram_alloc’:
/usr/local/src/kvm-87/exec.c:2547: warning: ignoring return value of
‘ftruncate’, declared with attribute warn_unused_result
CC x86_64-softmmu/translate-all.o
CC x86_64-softmmu/cpu-exec.o
CC x86_64-softmmu/translate.o
CC x86_64-softmmu/host-utils.o
CC x86_64-softmmu/tcg/tcg.o
CC x86_64-softmmu/tcg/tcg-runtime.o
CC x86_64-softmmu/qemu-kvm.o
/usr/local/src/kvm-87/qemu-kvm.c: In function ‘ap_main_loop’:
/usr/local/src/kvm-87/qemu-kvm.c:1965: warning: unused variable ‘data’
/usr/local/src/kvm-87/qemu-kvm.c: At top level:
/usr/local/src/kvm-87/qemu-kvm.c:67: warning: ‘ioperm_head’ defined but
not used
In function ‘memset’,
inlined from ‘kvm_get_phys_ram_page_bitmap’ at
/usr/local/src/kvm-87/qemu-kvm.c:2822:
/usr/include/bits/string3.h:82: warning: call to
‘__warn_memset_zero_len’ declared with attribute warning: memset used
with constant zero length parameter; this could be due to transposed
parameters
CC x86_64-softmmu/fpu/softfloat-native.o
CC x86_64-softmmu/op_helper.o
CC x86_64-softmmu/helper.o
CC x86_64-softmmu/qemu-kvm-x86.o
/usr/local/src/kvm-87/qemu-kvm-x86.c:1535: warning: no previous
prototype for ‘kvm_arch_do_ioperm’
CC x86_64-softmmu/kvm-tpr-opt.o
gcc -I. -I.. -I/usr/local/src/kvm-87/target-i386
-I/usr/local/src/kvm-87 -MMD -MT qemu-kvm-helper.o -MP -DNEED_CPU_H
-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D__user=
-I/usr/local/src/kvm-87/tcg -I/usr/local/src/kvm-87/tcg/x86_64
-I/usr/local/src/kvm-87/fpu -DHAS_AUDIO -DHAS_AUDIO_CHOICE
-I/usr/local/src/kvm-87/slirp -g -fno-strict-aliasing -O2 -Wall -Wundef
-Wendif-labels -Wwrite-strings -Wmissing-prototypes -Wstrict-prototypes
-Wredundant-decls -m64 -I/usr/local/src/kvm-87/kvm/include
-I/usr/local/src/kvm-87/kvm/include/x86 -c -o qemu-kvm-helper.o
/usr/local/src/kvm-87/qemu-kvm-helper.c
CC x86_64-softmmu/disas.o
CC x86_64-softmmu/i386-dis.o
AR x86_64-softmmu/libqemu.a
LINK x86_64-softmmu/qemu-system-x86_64
libqemu.a(qemu-kvm.o): In function `memset':
/usr/include/bits/string3.h:82: warning: memset used with constant zero
length parameter; this could be due to transposed parameters
make -C /lib/modules/2.6.28-13-server/build M=`pwd` \
LINUXINCLUDE="-I`pwd`/include -Iinclude \
-Iarch/x86/include -I`pwd`/include-compat \
-include include/linux/autoconf.h \
-include `pwd`/x86/external-module-compat.h " \
"$@"
Building modules, stage 2.
MODPOST 3 modules
make -C kvm/extboot
make[1]: Entering directory `/usr/local/src/kvm-87/kvm/extboot'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/usr/local/src/kvm-87/kvm/extboot'
if ! [ -f pc-bios/extboot.bin ] \
|| ! cmp -s pc-bios/extboot.bin kvm/extboot/extboot.bin; then \
cp kvm/extboot/extboot.bin pc-bios/extboot.bin; \
fi
END MAKE OUTPUT
Guest command:
/usr/local/kvm/bin/qemu-system-x86_64 -name keymaster -vnc localhost:22
-pidfile /var/run/kvmctl/keymaster.pid -serial
mon:unix:/var/run/kvmctl/keymaster.socket,server,nowait -daemonize -M pc
-m 512 -smp 1 -localtime -drive
index=0,media=disk,if=ide,file=/vm/shared/keymaster/root.qcow2 -drive
index=1,media=disk,if=ide,file=/vm/shared/keymaster/swap.qcow2 -boot c
-net nic,macaddr=52:54:00:01:16:01,vlan=0 -net
tap,script=/etc/kvmctl/scripts/kvm-ifup-test,vlan=0
--
Randy Smith
http://www.vuser.org/
http://perlstalker.blogspot.com/
Attachment:
signature.asc
Description: OpenPGP digital signature
