内核编译去掉USB驱动出现启动不了的问题 - OMAP-L138 - 嵌入式开发者社区 - 51ele.net
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内核编译去掉USB驱动出现启动不了的问题

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发表于 2014-8-14 11:34:36 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
启动现象如下; y+ c, f5 M( U; [: z! n) P4 j
[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff! e; i& `. L7 G
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
8 D9 Q# X- }6 ]! g" j[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5. K4 ]7 p5 A- l/ {. P" F
[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access$ h- l# N) A4 P8 I9 {  T; _6 O
[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5: z0 r4 o. T9 [) }7 k+ {7 P5 j
[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator8 X2 x% z0 B( K. n( D" E
[    1.790613] ads7846 spi1.1: touchscreen, irq 145* c3 t( C2 T( a' g7 C4 ~2 c
[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
% B& k1 W& C* N4 Z# N% b9 D" \[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
5 i# G4 {+ K5 c; ^( I[    1.818481] omap_rtc: RTC power up reset detected
8 n. k7 [& }- M) F8 |[    1.824103] i2c /dev entries driver
1 N2 T5 ?/ V9 K. d  l$ d[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
( c+ ]9 N8 M2 U* D" c[    1.837971] IR NEC protocol handler initialized
/ Z% V# v& b) G! J: \[    1.842583] IR RC5(x) protocol handler initialized
9 k( @1 ^: p. U) n. y) Y0 K  V. W[    1.847554] IR RC6 protocol handler initialized
5 b6 c; i, l8 _[    1.852136] IR JVC protocol handler initialized. J$ R, ]4 }# i+ v
[    1.856796] IR Sony protocol handler initialized- j, @2 @$ Q! P2 h
[    1.861480] IR RC5 (streamzap) protocol handler initialized: L7 D% K( x8 C0 }. i
[    1.867170] IR SANYO protocol handler initialized: y2 t  Y# l6 k* e9 N0 s- ?
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized" |- X- ~3 ~6 N( B4 b1 I1 L
[    1.877882] IR LIRC bridge handler initialized
% b; i- a' p6 L[    1.882369] Linux video capture interface: v2.00
9 Y; u/ I/ a* ?) i7 J" u[    1.888722] watchdog watchdog: heartbeat 60 sec
7 D% c* Q% q8 J[    1.895285] cpuidle: using governor ladder$ F; o  ^) D/ y$ o
[    1.900118] cpuidle: using governor menu
# K# ]4 a! L7 s4 [[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
: ~) e2 ^" F: K& r7 T[    1.918396] TCP cubic registered9 U- N% n5 B3 {' s/ O: k' D' G
[    1.921694] NET: Registered protocol family 17" W' \5 N) {; g4 r
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator1 G# ~6 {. @- L$ e9 ^* ?7 a
[    1.942633] console [netcon0] enabled
  C% N! V* ]- L( @+ ^[    1.946844] netconsole: network logging started
! V. a) o' x2 J4 p/ f- |0 O$ M[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d2 T5 o1 U# J1 |
[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)% c) M, ?. w( a7 O! m
[    1.981557] Root-NFS: no NFS server address7 h6 N- @: K+ o. @0 U3 l' f! T
[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy., ^% d) [( F7 L0 t" r
[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)3 a8 v9 t) z# t; y
[    2.000512] Please append a correct "root=" boot option; here are the available partitions:
! k( Z  ~4 G" ^1 f; V[    2.009218] 1f00             128 mtdblock0  (driver?)
) m' K' ^5 Q$ R0 u( j[    2.014571] 1f01             512 mtdblock1  (driver?)
( x% [9 I4 Q5 U7 m: y+ ~' x[    2.020016] 1f02             512 mtdblock2  (driver?). q* T& H- s) Q/ R4 P/ n
[    2.025353] 1f03            4096 mtdblock3  (driver?)
  D" m; F/ K6 s  v! ?[    2.030825] 1f04          519040 mtdblock4  (driver?)
1 n" H* }+ j- @9 Y[    2.036225] 1f05              64 mtdblock5  (driver?)1 b7 C/ s0 k& N# g( Q" v# c
[    2.041536] 1f06             512 mtdblock6  (driver?)$ {# T7 n" Y7 a; \6 B
[    2.046904] 1f07              64 mtdblock7
5 n9 L5 K7 v/ V4 N3 O[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.9 T# r. U3 U& b$ E& R8 A
[    2.059503]  (driver?)
4 V; N- F" D5 F4 H! g1 Z[    2.061933] 1f08            2560 mtdblock8  (driver?)$ Q+ h( y6 c/ v( \  @* Z- R1 E* [
[    2.067289] 1f09            4096 mtdblock9
: y( N  y6 P* N; e[    2.071638] mmc0: new high speed SDHC card at address 1234
( n( C. f; z$ _) t+ A9 m[    2.077485]  (driver?)
( r! C# N# W0 I+ m& v5 _8 y[    2.079916] 1f0a              64 mtdblock10  (driver?)
; A' ^) Q5 r' s: `[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
. N+ Y- ]8 }0 g                                                                                                                                           ! d, T9 q/ k; H
然后串口就没有反应了,紧急求助
' M3 Z9 e+ j9 h* u" }" w# Q) P3 u( v6 @( R) t
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发表于 2014-8-14 17:20:48 | 只看该作者
    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.$ n7 p5 _- |0 ]& D  D; |+ ]
[    2.059503]  (driver?)
+ W- j1 g4 C% L5 k- m0 j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。
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