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nekin2017 / lk-tester-maker

Linux Kernel Debug Environment Maker
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Unable to mount root fs on unknown-block #2

Closed dbbbit closed 7 years ago

dbbbit commented 7 years ago 
[    1.748156] scsi host1: ata_piix
[    1.750041] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc080 irq 14
[    1.750429] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc088 irq 15
[    1.755023] tun: Universal TUN/TAP device driver, 1.6
[    1.762189] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[    1.767877] serio: i8042 KBD port at 0x60,0x64 irq 1
[    1.768768] serio: i8042 AUX port at 0x60,0x64 irq 12
[    1.773432] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[    1.775472] rtc_cmos 00:00: RTC can wake from S4
[    1.777777] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[    1.779143] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram, hpet irqs
[    1.792398] drop_monitor: Initializing network drop monitor service
[    1.795405] NET: Registered protocol family 17
[    1.797080] 9pnet: Installing 9P2000 support
[    1.798156] Key type dns_resolver registered
[    1.800925] sched_clock: Marking stable (1800308330, 0)->(1912607278, -112298948)
[    1.806960] registered taskstats version 1
[    1.810421] rtc_cmos 00:00: setting system clock to 2017-09-17 03:54:20 UTC (1505620460)
[    1.926686] ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100
[    1.928785] ata2.00: configured for MWDMA2
[    1.937838] scsi 1:0:0:0: CD-ROM            QEMU     QEMU DVD-ROM     2.5+ PQ: 0 ANSI: 5
[    1.949431] VFS: Cannot open root device "vda1" or unknown-block(254,1): error -6
[    1.949787] Please append a correct "root=" boot option; here are the available partitions:
[    1.951671] fe00         1025024 vda
[    1.951708]  driver: virtio_blk
[    1.954568] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(254,1)
[    1.958654] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.2 #4
[    1.959420] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014
[    1.960457] Call Trace:
[    1.961302]  ? dump_stack+0x5e/0x84
[    1.961425]  ? panic+0xd7/0x224
[    1.962654]  ? printk+0x43/0x4b
[    1.966143]  ? mount_block_root+0x27b/0x292
[    1.967354]  ? prepare_namespace+0x136/0x16c
[    1.969235]  ? kernel_init_freeable+0x1dd/0x1eb
[    1.970634]  ? rest_init+0xb4/0xb4
[    1.974318]  ? kernel_init+0xa/0xf0
[    1.974717]  ? ret_from_fork+0x27/0x40
[    1.976461] Kernel Offset: disabled
[    1.977074] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(254,1)

试过改 if=ide root=/dev/sda1 也是 panic

dbbbit@ubuntu:~/red/linux-4.13.2$ uname -a Linux ubuntu 4.4.0-57-generic #78-Ubuntu SMP Fri Dec 9 23:50:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

可能是什么问题呢

dbbbit commented 7 years ago 
        -kernel arch/x86_64/boot/bzImage \
+       -initrd arch/x86_64/boot/initrd.img.4.13.2 \
        -append "rw console=ttyS0 root=/dev/vda1 init=/bin/bash"

sloved