block_set_io_throttledevicebpsbps_rdbps_wriopsiops_rdiops_wr:将块驱动器的I/O节流限制更改为bps、bps_rd、bps_wr、iops、iops_rd、iops_wr。device可以是块设备名称、qdev ID或QOM路径。 set_password[vnc | spice]password[-d display][action-if-connected]:更改Spice或VNC的密码。display可与vnc一起...
新建dev/文件夹, 创建设备文件 yukikaze@yukikaze-743:~/code/gdb_test/rootfs_tmp$mkdir./dev yukikaze@yukikaze-743:~/code/gdb_test/rootfs_tmp$sudomknod./dev/tty1 c41yukikaze@yukikaze-743:~/code/gdb_test/rootfs_tmp$sudomknod./dev/tty2 c42yukikaze@yukikaze-743:~/code/gdb_test/rootfs_tmp$sudo...
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.16 #1 Hardware name: ARM-Versatile Express [<80110dbc>] (unwind_backtrace) from [<8010c9f8>] (show_stack+0x10/0x14) [<8010c9f8>] (show_stack) from...
5. 启动内核,挂载rootfs qemu-system-arm -M vexpress-a9 -m 512m -kernel /home/sly/develop/linux-5.3.7/arch/arm/boot/zImage-dtb linux-5.3.7/arch/arm/boot/dts/vexpress-v2p-ca9.dtb-nographic -append "root=/dev/mmcblk0console=ttyAMA0" -sd rootfs.ext3 sly@ubuntu:~/develop$ qemu-syst...
typedef struct BlockdevBackupState { BlockDriverState *bs; BlockJob *job; } BlockdevBackupState; static void blockdev_backup_commit(void *opaque); static void blockdev_backup_abort(void *opaque); static void blockdev_backup_clean(void *opaque); TransactionActionDrv blockdev_backup_drv...
state->bs) { return; } bdrv_drained_end(state->bs); } typedef struct BlockdevBackupState { BlockDriverState *bs; BlockJob *job; } BlockdevBackupState; static void blockdev_backup_commit(void *opaque); static void blockdev_backup_abort(void *opaque); static void blockdev_backup_clean(...
bin dev lib linuxrc sbin usr 1. 2. 3. b3. 新建lib目录,从工具链中拷贝执行库到lib文件夹下 sly@ubuntu:~/develop/rootfs$ mkdir lib sly@ubuntu:~/develop/rootfs$ cp -p /usr/arm-linux-gnueabi/lib/* ./lib 1. 2. b4. 创建设备文件, 创建4个串口设备,和控制台 ...
查看block信息 qemu4.2.0 编译 qemu-monitor使用 libvirt4.5 gmp nettle-3.4 libgnutls-3.5.18 libvirt4.5 错误处理 日志模块 日志模块 virt-manager创建虚拟机 Incremental backup 简介 最近接到一个调研任务,kvm 虚拟机增量盘的实时备份。主要参考资料来源。[QEMU/KVM磁盘在线备份] 主要思路:同步方式(sync)的四种...
BlockDriverState *bs; BlockJob *job; } DriveBackupState;static void drive_backup_prepare(BlkTransactionState *common, Error **errp) { DriveBackupState *state = DO_UPCAST(DriveBackupState, common, common); DriveBackup *backup; Error *local_err = NULL;assert(common->action->kind == TRANSACTION...
"target": "backup.img" } } <- { "return": {} } EQMP { .name = "blockdev-backup", .args_type = "sync:s,device:B,target:B,speed:i?," "on-source-error:s?,on-target-error:s?", .mhandler.cmd_new = qmp_marshal_blockdev_backup, }, SQMP blockdev-backup -...