嵌入式开发者社区

标题: 内核编译去掉USB驱动出现启动不了的问题 [打印本页]
作者: gaocaimary    时间: 2014-8-14 11:33
标题: 内核编译去掉USB驱动出现启动不了的问题
我在创龙提供的Linux3.3的内核上，在Device driver选项中去掉USB驱动，结果在启动的过程中出现了
  Y3 y' g* p5 M! `7 e" ~" I' p[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff+ I8 d: X: V* O. J" {
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000( q' ?% o9 M0 d5 G1 p
[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.59 M3 Y# [' O  m5 H
[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
5 o1 c/ O2 T' ~( Q  C[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
1 a2 e: c" c" \! s7 O# J( l[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator- q# M: \6 s6 M% T! C% x/ Y, W  b
[    1.790613] ads7846 spi1.1: touchscreen, irq 145
$ ^+ U5 ]' D& E[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input00 M% \7 \  a9 \4 W& K
[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
, |6 p5 h( z! J5 @$ r  \[    1.818481] omap_rtc: RTC power up reset detected0 j0 O3 {: ]% k0 H8 s1 J
[    1.824103] i2c /dev entries driver. I/ j+ T$ P, u0 x: B4 @
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
2 o4 n% H) P+ n: z[    1.837971] IR NEC protocol handler initialized
# d. B& \# S1 L- q  J[    1.842583] IR RC5(x) protocol handler initialized
7 U9 X2 Y; M7 v: N7 A( a[    1.847554] IR RC6 protocol handler initialized
9 x/ S# r2 \6 m( E6 w2 e[    1.852136] IR JVC protocol handler initialized
1 m- B3 ?. o# i0 u7 k! i" T3 V[    1.856796] IR Sony protocol handler initialized
* T/ }6 z+ x( C# D0 Z/ @[    1.861480] IR RC5 (streamzap) protocol handler initialized
% F  a: T( n% |, X[    1.867170] IR SANYO protocol handler initialized$ {# r3 B" P# m' i# ~; K& F
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
& b4 W/ Z1 B- b[    1.877882] IR LIRC bridge handler initialized
6 D5 X$ b! {, t+ Z; O2 n2 q[    1.882369] Linux video capture interface: v2.001 |6 {; o$ x, @( P- Q: p5 q
[    1.888722] watchdog watchdog: heartbeat 60 sec- e' [. `3 z) c9 x0 V7 m
[    1.895285] cpuidle: using governor ladder( g$ B6 {2 ]! H9 o& E
[    1.900118] cpuidle: using governor menu
' h. y9 |/ @  [5 W9 d% `9 }2 e' V( Q[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
1 y" R/ S. R# W+ z' H[    1.918396] TCP cubic registered
( _- x4 J1 w; v" Y[    1.921694] NET: Registered protocol family 17
. {5 P9 b! [$ |: O* `* t[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
4 H; M; M# g8 k5 i& o& }7 |[    1.942633] console [netcon0] enabled
3 C- P& T, Q$ o; ~  w8 f[    1.946844] netconsole: network logging started
8 R4 v& p5 S. z+ G, y! Y) y[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
& }0 P2 a3 x; o/ H! l- s[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)9 x. l3 L6 @' M8 i% H
[    1.981557] Root-NFS: no NFS server address
- V+ @3 z0 e" P. g[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.. a& W$ r1 `! u) m$ |
[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)! P8 t) y8 Z# m8 X+ m
[    2.000512] Please append a correct "root=" boot option; here are the available partitions:0 V# L0 C0 m" \" v" _
[    2.009218] 1f00             128 mtdblock0  (driver?)
0 Z  U% t+ M) K2 c) O, S; l[    2.014571] 1f01             512 mtdblock1  (driver?)
& ]* x: ~1 o" p' t  d. s[    2.020016] 1f02             512 mtdblock2  (driver?)9 J6 z1 J% ?8 j0 G. ^3 o3 w3 M  ]
[    2.025353] 1f03            4096 mtdblock3  (driver?)1 m2 ]7 F0 l% @% \. @1 k
[    2.030825] 1f04          519040 mtdblock4  (driver?)
9 w4 a2 i* [( A7 s' d3 Z& m0 G[    2.036225] 1f05              64 mtdblock5  (driver?)
2 l) G" Y) O% L$ x! m9 u[    2.041536] 1f06             512 mtdblock6  (driver?)
+ R/ V# M/ W) a$ [0 e+ H[    2.046904] 1f07              64 mtdblock7
, I. l. M8 ~3 S7 n[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.5 ]& f( h! w; |( ^7 b
[    2.059503]  (driver?)# d. U# Q' _' W( w0 R
[    2.061933] 1f08            2560 mtdblock8  (driver?)
" L5 F5 b4 @) a) k4 n[    2.067289] 1f09            4096 mtdblock98 M% P  r, W3 q! U, T! o0 j) Y
[    2.071638] mmc0: new high speed SDHC card at address 1234
! S/ E* G1 ]" x& w0 A1 ?: L, X& i6 A[    2.077485]  (driver?)' @% a! m5 d+ A  X, u8 B( I
[    2.079916] 1f0a              64 mtdblock10  (driver?)3 K7 Z1 e7 ^/ ]' J1 M7 i
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
9 y; L, U2 H) Z8 R% A! P9 \2 ~                                                                                                                                          
. Y0 [0 V4 V' e$ u1 a4 {" [7 {3 b去掉I2C驱动后也会出现同样的问题，请各位高手指教9 {* C$ H0 a) o8 N& Y
3 I6 o- R4 H' x! F! m5 Q6 R




欢迎光临 嵌入式开发者社区 (https://www.51ele.net/) Powered by Discuz! X3.4