今天遇到 busybox can’t access tty 記錄一下
更新記錄
item | note |
---|---|
20160926 | 第一版 |
目錄
問題原因
問題原因:由於glibc rootfs變大了,,不能跟uclibc一樣的uboot設定值,造成檔案不完整
- 開機發生 can’t access tty
1
2
3Freeing unused kernel memory: 188K (c06c5000 - c06f4000)
/bin/sh: can't access tty; job control turned off
/ # ls -l /
比較內容
比較uclibc及glibc兩者
找一下google,都說是inittab設定問題
一樣的/etc/inittab在uclibc都正常,不是inittab問題查看lib
發現少了檔案1
2
3
4
5
6
7
8
9
10
11ls -l /lib
total 9536
lrwxrwxrwx 1 1000 1000 1 Apr 1 2016 a7_softfp_neon-vfpv4 -> .
-rwxr-xr-x 1 1000 1000 786530 Mar 26 2016 ld-2.16.so
lrwxrwxrwx 1 1000 1000 10 Apr 1 2016 ld-linux.so.3 -> ld-2.16.so
-rwxr-xr-x 1 1000 1000 18857 Mar 26 2016 libBrokenLocale-2.16.so
lrwxrwxrwx 1 1000 1000 23 Apr 1 2016 libBrokenLocale.so.1 -> libBrokenLocale-2.16.so
-rwxr-xr-x 1 1000 1000 38199 Mar 26 2016 libSegFault.so
-rwxr-xr-x 1 1000 1000 75196 Mar 26 2016 libanl-2.16.so
lrwxrwxrwx 1 1000 1000 14 Apr 1 2016 libanl.so.1 -> libanl-2.16.so
-rwxr-xr-x 1 1000 1000 8843181 Mar 26 2016 libc-2.16.souclibc sdk程序
注意rootfs大小只有6M1
2
3
4setenv bootargs 'mem=128M console=ttyAMA0,115200 root=/dev/mtdblock2 rootfstype=jffs2 mtdparts=hi_sfc:1M(boot),4M(kernel),6M(rootfs)'
mw.b 0x42000000 ff 1000000;tftp 0x42000000 rootfs-hisdk-hiv300.jffs2
sf probe 0x0;sf erase 0x500000 0x600000;sf write 0x42000000 0x500000 0x600000;glibc rootfs變大了
修改如下1
2
3
4setenv bootargs 'mem=128M console=ttyAMA0,115200 root=/dev/mtdblock2 rootfstype=jffs2 mtdparts=hi_sfc:1M(boot),4M(kernel),16M(rootfs)'
mw.b 0x42000000 ff 0x1600000;tftp 0x42000000 rootfs-hisdk-hiv300.jffs2
sf probe 0x0;sf erase 0x500000 0x1600000;sf write 0x42000000 0x500000 0x1600000;正常了
1
2
3
4
5
6
7
8
9ata2: SATA link down (SStatus 0 SControl 300)
ata3: SATA link down (SStatus 0 SControl 300)
ata4: SATA link down (SStatus 0 SControl 300)
VFS: Mounted root (jffs2 filesystem) on device 31:2.
Freeing unused kernel memory: 188K (c06c5000 - c06f4000)
xx
[RCS]: /etc/init.d/S00devs
[RCS]: /etc/init.d/S01udev