看提示信息说Block node is read-only，也就是只读的，那就加上参数让它变成读写的呗。qemu-system-x86_64 -L . -hda fat:rw:hda-contents倒是起来了一个窗口，但是一直处于启动中，看起来也不是很正常的样子：这里要记住一个命令，Ctrl+Alt+Q是退出Qemu的命令，我就被锁定鼠标后不知道该咋弄，还以为是U...
-fda/-fdb file use 'file' as floppy disk 0/1 image -hda/-hdb file use 'file' as IDE hard disk 0/1 image -hdc/-hdd file use 'file' as IDE hard disk 2/3 image -cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master) -blockdev [driver=]driver[,node-name=N][...
while read requests to active data blocks that have been changed are directed to the original volume. (访问snapshot时:读取未改变的数据的请求会被重定向到原来的volume block中,读取改变了的数据的请求会被发送到snapshot所在的block中 - 原文有点不对啊) ...
* and split clearing of dirty bitmap on the remote node (e.g., * KVM). The bitmap will be set only when doing global sync. * * NOTE: this bitmap is different comparing to the other bitmaps * in that one bit can represent multiple guest pages (which is * decided by the `clear_...
cpu_physical_memory_set_dirty_range(new_block->offset, new_block->used_length, DIRTY_CLIENTS_ALL);if(new_block->host) { qemu_ram_setup_dump(new_block->host, new_block->max_length); qemu_madvise(new_block->host, new_block->max_length, QEMU_MADV_HUGEPAGE);/* MADV_DONTFORK is also...
libvirtError:internal error:unable to execute QEMU command ‘blockdev-remove-medium’:Tray of device 'ide0-1-0' is not open。 挂载ISO和卸载ISO的命令是: domain.updateDeviceFlags(device_xml, flags) 挂载ISO时的XML文件是: <disk type='network' device='cdrom'> ...
GPA maps to RAM/ROM//此处 计算start_gpa和size,用来传给下一个函数//主要通过gpa/slot/trunk/block的偏移关系计算,因为chunk已经设置成4K大小//所以下面的计算可以简洁化,chunk一定在slot内部,不存在slot的起始地址包含在chunk中的这种情况//位置分布情况参考下图is_rom = slot->flags &HAX_MEMSLOT_READONLY;...
1General setup --->2---> [*] Initial RAM filesystem and RAM disk (initramfs/initrd) support3Device Drivers --->4[*] Block devices --->5<*>RAM block device support6(65536) Default RAM disk size (kbytes) 这里我们给ramdisk设置的默认大小是64MB 4...
Hit any key to stop autoboot: 0 Couldn't find partition virtio 0:1 Can't set block device Bad Linux RISCV Image magic! lhdr->magic == 43056262 , LINUX_RISCV_IMAGE_MAGIC == 5435352 Device 0: 1af4 VirtIO Block Device Type: Hard Disk Capacity: 1024.0 MB = 1.0 GB (2097152 x 512)...
-blockdev driver=qcow2,node-name=hda,file=my_file,overlap-check=none,cache-size=16777216 Example 2: :: -blockdev driver=qcow2,node-name=disk,file.driver=http,file.filename=http://example.com/image.qcow2 ``Driver-specific options for other drivers`` ...