挂载文件系统出错，怎么回事 (amobbs.com 阿莫电子技术论坛) -

abnerle 发表于 2014-7-7 15:05:33

挂载文件系统出错，怎么回事

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[ 1.498107] Cortex M3 Firmware Version = 0x181
[ 1.503784] create_regulator: DCDC2: Failed to create debugfs directory
[ 1.511505] smartreflex smartreflex: am33xx_sr_probe: Driver initialized
[ 1.523681] clock: disabling unused clocks to save power
[ 1.529846] mmc0: host does not support reading read-only switch. assuming write-enable.
[ 1.540374] mmc0: new high speed SD card at address 00c3
[ 1.546875] mmcblk0: mmc0:00c3 E1161 1.85 GiB
[ 1.553314]mmcblk0: p1 p2
[ 1.569335] Detected MACID=90:59:af:62:d7:66
[ 1.575317] cpsw: Detected MACID = 90:59:af:62:d7:68
[ 1.581756] omap_rtc am33xx-rtc: setting system clock to 2000-01-01 00:00:01 UTC (946684801)
[ 1.606170] VFS: Mounted root (ext2 filesystem) on device 179:2.
[ 1.613006] Freeing init memory: 236K
[ 1.621307] Kernel panic - not syncing: No init found.Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
[ 1.634429] Backtrace:
[ 1.637054] [<c0017dbc>] (dump_backtrace+0x0/0x10c) from [<c04140c0>] (dump_stack+0x18/0x1c)
[ 1.645965]r6:c004203c r5:c04f6cb8 r4:c0641188 r3:c05f7f0c
[ 1.651947] [<c04140a8>] (dump_stack+0x0/0x1c) from [<c04142fc>] (panic+0x64/0x194)
[ 1.660034] [<c0414298>] (panic+0x0/0x194) from [<c0414084>] (init_post+0xac/0xd0)
[ 1.667999]r3:df02bc00 r2:0000000a r1:00000080 r0:c04f6cb8
[ 1.674011]r7:00000013
[ 1.676696] [<c0413fd8>] (init_post+0x0/0xd0) from [<c0598900>] (kernel_init+0xf8/0x120)
[ 1.685211]r4:c05d2644 r3:00000112
[ 1.688995] [<c0598808>] (kernel_init+0x0/0x120) from [<c004203c>] (do_exit+0x0/0x65c)

/etc/init.d/rcS的内容如下
#!/bin/sh
#
# rcS Call all S??* scripts in /etc/rcS.d in
# numerical/alphabetical order.
#
# Version: @(#)/etc/init.d/rcS2.7619-Apr-1999miquels@cistron.nl
#

PATH=/sbin:/bin:/usr/sbin:/usr/bin
runlevel=S
prevlevel=N
umask 022
export PATH runlevel prevlevel

# Make sure proc is mounted
#
[ -d "/proc/1" ] || mount /proc

#
# See if system needs to be setup. This is ONLY meant to
# be used for the initial setup after a fresh installation!
#
if [ -x /sbin/unconfigured.sh ]
then
/sbin/unconfigured.sh
fi

#
# Source defaults.
#
. /etc/default/rcS

#
# Trap CTRL-C &c only in this shell so we can interrupt subprocesses.
#
trap ":" INT QUIT TSTP

#
# Call all parts in order.
#
exec /etc/init.d/rc S

#
# For compatibility, run the files in /etc/rc.boot too.
#
[ -d /etc/rc.boot ] && run-parts /etc/rc.boot

#
# Finish setup if needed. The comment above about
# /sbin/unconfigured.sh applies here as well!
#
if [ -x /sbin/setup.sh ]
then
/sbin/setup.sh
fi
看起来没有什么错误，高手指点一下那里不对了？

jenkins 发表于 2014-7-7 16:00:18

本帖最后由 jenkins 于 2014-7-7 16:05 编辑

看这个
[ 1.621307] Kernel panic - not syncing: No init found.Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
应该是没有指定内核启动参数或参数错误吧

abnerle 发表于 2014-7-7 16:30:34

jenkins 发表于 2014-7-7 16:00
看这个
[ 1.621307] Kernel panic - not syncing: No init found.Try passing init= option to kernel ...

制定的了
console=ttySC0,115200 root=/dev/mmcblk0p2 init=/initrootwait rw

Mad99cat 发表于 2014-7-7 17:27:43

内核没问题的话，看一下文件系统有没有少东西。/sbin/init,/bin/init,/bin/sh

usecool 发表于 2014-7-7 17:41:38

mmcrootfstype=ext4 rootwait

abnerle 发表于 2014-7-7 17:51:27

usecool 发表于 2014-7-7 17:41
mmcrootfstype=ext4 rootwait

完整的如下，也不行，一样的现象
console=ttyO0,115200n8 mem=512M root=/dev/mmcblk0p2rw init=/linuxrc rootfstype=ext4 rootwait

傲视苍穹的鹰 发表于 2014-7-8 10:17:36

先试试网络文件系统是否能够启动，如果可以，再试试烧写到Flash是不是也可以，如果都没问题，看看内核镜像是不是有问题。

usecool 发表于 2014-7-8 10:39:46

先用ramdisk启动（ram文件系统）

abnerle 发表于 2014-7-9 17:17:49

傲视苍穹的鹰发表于 2014-7-8 10:17
先试试网络文件系统是否能够启动，如果可以，再试试烧写到Flash是不是也可以，如果都没问题，看看内核镜像 ...

NFS挂载是正常的
[ 4.845886] VFS: Mounted root (nfs filesystem) on device 0:14.
[ 4.852447] Freeing init memory: 236K
INIT: version 2.88 booting
Error opening /dev/fb0: No such device
Starting udev
[ 11.038726] EXT3-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240)
[ 11.062286] EXT2-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (244)
[ 11.144866] EXT2-fs (mmcblk0p2): warning: mounting unchecked fs, running e2fsck is recommended
[ 11.332244] EXT3-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (240)
[ 11.346893] EXT2-fs (mmcblk1p2): error: couldn't mount because of unsupported optional features (244)
Starting Bootlog daemon: bootlogd: cannot allocate pseudo tty: No such file or directory
bootlogd.
ALSA: Restoring mixer settings...
NOT configuring network interfaces: / is an NFS mount
/usr/sbin/alsactl: load_state:1686: No soundcards found...
Tue Jun 25 23:08:00 UTC 2013
Configuring update-modules.
INIT: Entering runlevel: 5
Starting system message bus: dbus.
Starting telnet daemon.
Starting syslogd/klogd: done
Starting thttpd.
Stopping Bootlog daemon: bootlogd.

_____                _____       _       _
|_|___ ___ ___ ___ |_|___ ___|_|___ ___| |_
| |_| .'| . | . || __|_| . | | | -_|_|_|
|__|__|_| |__,|_|___||__||_| |___|_| |___|___|_|
         |___|                |___|

Arago Project http://arago-project.org am335x-evm ttyO0

Arago 2013.05 am335x-evm ttyO0

am335x-evm login:
_____                _____       _       _
|_|___ ___ ___ ___ |_|___ ___|_|___ ___| |_
| |_| .'| . | . || __|_| . | | | -_|_|_|
|__|__|_| |__,|_|___||__||_| |___|_| |___|___|_|
         |___|                |___|

Arago Project http://arago-project.org am335x-evm ttyO0

Arago 2013.05 am335x-evm ttyO0

am335x-evm login: root

lanqilove 发表于 2014-7-9 17:23:59

我估计是没按正确的方法烧进去，还有你确定是烧到/dev/mmcblk0p2里了？这个字有没有写错？

abnerle 发表于 2014-7-9 17:25:14

lanqilove 发表于 2014-7-9 17:23
我估计是没按正确的方法烧进去，还有你确定是烧到/dev/mmcblk0p2里了？这个字有没有写错？ ...

真米有问题啊

abnerle 发表于 2014-7-9 17:40:16

lanqilove 发表于 2014-7-9 17:23
我估计是没按正确的方法烧进去，还有你确定是烧到/dev/mmcblk0p2里了？这个字有没有写错？ ...

启动后把/dev/mmcblk0p2挂载到/mnt/cf，里面的内容如下
root@am335x-evm:/# ls /mnt/cf/
bin       etc       lib       mnt       srv       usr
boot    home    lost+foundproc    sys       var
dev       init    media    sbin    tmp

root@am335x-evm:/# ls -l /mnt/cf/lib
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 /mnt/cf/lib
root@am335x-evm:/# ls -l /mnt/cf/
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 bin
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 boot
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 dev
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 etc
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 home
-rwxr-xr-x 1 root root       29244 Jul72014 init
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 lib
drwxrwxrwx 2 root root       16384 Jul72014 lost+found
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 media
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 mnt
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 proc
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 sbin
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 srv
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 sys
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 tmp
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 usr
?rwsrwsrwt 65535 42949672 42949672 4294967295 Dec 311969 var

很奇怪的是，文件夹权限怎么变成了，?rwsrwsrwt

傲视苍穹的鹰 发表于 2014-7-9 23:14:46

abnerle 发表于 2014-7-9 17:17
NFS挂载是正常的
[ 4.845886] VFS: Mounted root (nfs filesystem) on device 0:14.
[ 4.852447] F ...

看你这个NFS没问题，那你看看内核镜像是不是支持你的文件系统，再看看制作的文件系统是不是有问题，记得文件系统制作工具好像有错误，需要自己修改，最后看看是不是烧写有错误。

abnerle 发表于 2014-7-10 09:32:23

傲视苍穹的鹰发表于 2014-7-9 23:14
看你这个NFS没问题，那你看看内核镜像是不是支持你的文件系统，再看看制作的文件系统是不是有问题，记得 ...

搞定了，是卡的问题，换了个卡就好了

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挂载文件系统出错，怎么回事