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The new generic domain re-factor introduced a small regression into the drive
handling code. In particular, if you had a section of XML like: <disk type='file' device='cdrom'> <target dev='hdc' bus='ide'/> <readonly/> </disk> This used to work with older libvirt, but now fails. This is because we are actually passing the literal string (null) to the qemu command-line, which qemu barfs on. This patch fixes it up by making it blank, which allows qemu to continue on it's merry way. Signed-off-by: Chris Lalancette <clalance@redhat.com>
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@ -1,3 +1,11 @@
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Tue Jul 29 14:08:00 CEST 2008 Chris Lalancette <clalance@redhat.com>
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* src/qemu_conf.c: fix empty CD-ROM source device section
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* tests/qemuxml2argvtest.c,
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tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml,
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tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.args: Add test
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for empty source CD-ROM device section
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Tue Jul 29 10:41:30 CEST 2008 Daniel Veillard <veillard@redhat.com>
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* src/openvz_conf.c: fix compilation with new XPath interface
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@ -888,13 +888,11 @@ int qemudBuildCommandLine(virConnectPtr conn,
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goto error;
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}
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if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
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media = "media=cdrom,";
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switch (disk->device) {
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case VIR_DOMAIN_DISK_DEVICE_CDROM:
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bootable = bootCD;
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bootCD = 0;
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media = "media=cdrom,";
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break;
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case VIR_DOMAIN_DISK_DEVICE_FLOPPY:
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bootable = bootFloppy;
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@ -907,7 +905,7 @@ int qemudBuildCommandLine(virConnectPtr conn,
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}
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snprintf(opt, PATH_MAX, "file=%s,if=%s,%sindex=%d%s",
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disk->src, bus,
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disk->src ? disk->src : "", bus,
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media ? media : "",
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idx,
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bootable &&
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@ -0,0 +1 @@
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/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor pty -no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,index=0 -drive file=,if=ide,media=cdrom,index=2 -net none -serial none -parallel none -usb
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tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
Normal file
27
tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
Normal file
@ -0,0 +1,27 @@
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<domain type='qemu'>
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<name>QEMUGuest1</name>
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<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
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<memory>219200</memory>
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<currentMemory>219200</currentMemory>
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<vcpu>1</vcpu>
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<os>
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<type arch='i686' machine='pc'>hvm</type>
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<boot dev='hd'/>
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</os>
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<clock offset='utc'/>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>destroy</on_crash>
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<devices>
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<emulator>/usr/bin/qemu</emulator>
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<disk type='block' device='disk'>
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<source dev='/dev/HostVG/QEMUGuest1'/>
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<target dev='hda' bus='ide'/>
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</disk>
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<disk type='file' device='cdrom'>
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<target dev='hdc' bus='ide'/>
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<readonly/>
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</disk>
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</devices>
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</domain>
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@ -145,6 +145,7 @@ mymain(int argc, char **argv)
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DO_TEST("clock-utc", 0);
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DO_TEST("clock-localtime", 0);
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DO_TEST("disk-cdrom", 0);
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DO_TEST("disk-cdrom-empty", QEMUD_CMD_FLAG_DRIVE);
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DO_TEST("disk-floppy", 0);
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DO_TEST("disk-many", 0);
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DO_TEST("disk-virtio", QEMUD_CMD_FLAG_DRIVE |
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