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 11:34
标题: 内核编译去掉USB驱动出现启动不了的问题
启动现象如下
5 r4 W# \" N1 o( l- G4 ?[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
* K9 a; l4 r7 R2 r1 R[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000/ m" ?- z7 u$ W- P) l! o
[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
7 h# F* U- y, I& z) Z/ x[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access6 j7 D4 G$ D- a1 U# Y+ O# F
[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
) a+ c5 G9 g5 t5 Q# d! F[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
. v- a( n9 r  b" ]/ N[    1.790613] ads7846 spi1.1: touchscreen, irq 145
% n7 a5 B" H7 v8 g( ^/ P3 g9 ][    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input01 |- r2 }/ q( H9 s, ^
[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
! p2 o- o. O/ n) K% M[    1.818481] omap_rtc: RTC power up reset detected- q/ _' R+ j# I6 _; h8 a( R- m
[    1.824103] i2c /dev entries driver( r" }8 {9 v7 p3 h0 ?0 E  X" o, y
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
9 _/ b8 U& @) _% v# s[    1.837971] IR NEC protocol handler initialized" z* |9 J' v/ |, |. b1 l7 v
[    1.842583] IR RC5(x) protocol handler initialized
- B$ g$ ]+ D  n. ], U& Q6 ]$ i0 L6 ?[    1.847554] IR RC6 protocol handler initialized
3 ]2 ^3 G- G0 ^$ F6 t- V[    1.852136] IR JVC protocol handler initialized% O* |) ^3 q9 _& ?8 f' I
[    1.856796] IR Sony protocol handler initialized6 s: W7 w" @2 {2 p! T7 `
[    1.861480] IR RC5 (streamzap) protocol handler initialized! E; x, l' U. p% a
[    1.867170] IR SANYO protocol handler initialized! u0 o9 F% E7 e- S
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
5 Z' U9 S, L7 g; I[    1.877882] IR LIRC bridge handler initialized
% e7 w1 m: T8 \8 w# U6 L, W[    1.882369] Linux video capture interface: v2.00* Q% A% q% W1 H" s
[    1.888722] watchdog watchdog: heartbeat 60 sec
; _2 j5 ]) y/ y* \) d6 U[    1.895285] cpuidle: using governor ladder. A$ T& T! H7 \5 Q# V; |8 @
[    1.900118] cpuidle: using governor menu' f  s" l- S  l7 H& n8 P( a
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode' V' T) H; w  ~+ z7 l
[    1.918396] TCP cubic registered- U# k9 }1 K- |( H  @1 c/ o
[    1.921694] NET: Registered protocol family 17; G9 W6 N: `8 \6 h+ I0 u0 `
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator9 Q# }# E, }* ~+ S5 t; G/ q
[    1.942633] console [netcon0] enabled
) |6 A: }' m5 ]0 Z( M5 @[    1.946844] netconsole: network logging started, M- `: u$ r4 s) v; c& I
[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d, q) H$ Q& F3 A: @9 \8 d: v% k
[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800). ^  K6 U) S5 X9 P. h" t& E4 B3 b2 O/ d
[    1.981557] Root-NFS: no NFS server address
* o7 a+ b3 f/ I2 L% X5 ^& J[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy., l: S( q* h2 _
[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)% d3 K$ y4 c$ e$ f1 y
[    2.000512] Please append a correct "root=" boot option; here are the available partitions:8 g. v) u8 I# t' [
[    2.009218] 1f00             128 mtdblock0  (driver?)
" f" O- z' `6 o& }[    2.014571] 1f01             512 mtdblock1  (driver?)
8 e1 t# y4 e- {* G$ r[    2.020016] 1f02             512 mtdblock2  (driver?)
# L9 H% l& K, @* e4 g7 @$ h1 \6 |[    2.025353] 1f03            4096 mtdblock3  (driver?)- R/ ]- W* G! ]% z! E( I
[    2.030825] 1f04          519040 mtdblock4  (driver?)
5 |5 w; ^) H3 D8 p[    2.036225] 1f05              64 mtdblock5  (driver?)  ~" f% {, V1 R% f
[    2.041536] 1f06             512 mtdblock6  (driver?)& i" Y$ U5 P" x1 \
[    2.046904] 1f07              64 mtdblock7( M* ], C- M: X5 z: j2 l
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.2 a- ~: x; B/ x: r, c0 p0 V  ^4 b
[    2.059503]  (driver?)+ Z- `5 [; ^$ Z; ^
[    2.061933] 1f08            2560 mtdblock8  (driver?)
! T. `+ X# b# o. H[    2.067289] 1f09            4096 mtdblock9+ D, c- h3 x+ n6 I- J6 z# @
[    2.071638] mmc0: new high speed SDHC card at address 1234
- x% e0 a! z# ^8 H$ t[    2.077485]  (driver?)) ^2 ~' ^7 K6 D$ Q9 h
[    2.079916] 1f0a              64 mtdblock10  (driver?). D  q+ ]  o) s. i8 D4 r& t
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
/ v8 X0 A; P& L                                                                                                                                           , |; c6 F$ D" ~( f/ K( l- E* o
然后串口就没有反应了，紧急求助
$ s/ U3 H+ T9 |- g% @1 b. w% {9 }* u/ i- ~5 @
作者: teddy    时间: 2014-8-14 17:20
    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.+ Y4 c. H6 S: @  r( M" G& s0 y4 ]2 j
[    2.059503]  (driver?)
9 J" t. L, j% M4 }, H' l' R您的问题，可能是sd的wp管脚被lock了，请检查一下sd卡，跟usb驱动应该无关的。, d# L% u$ }0 P; S6 J  E/ B' a




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