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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
! ~: n4 K4 y, q& x- v' Z8 S5 J[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
/ V4 g; P- n- j& C[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
: Y9 x+ F, j5 e* g5 c( A[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5& J0 \( R! N4 h+ N! K+ ]
[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
* j- k# t/ k2 C0 f* b  J0 N  Z1 W[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
) [: k" G# ^+ N; ]4 A" D* G[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator# p' S  i9 {- j1 }( U$ b' E0 N
[    1.790613] ads7846 spi1.1: touchscreen, irq 145
0 [: R" T( G: i& N5 W8 E) ]+ @[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0  s% d9 E  z% P
[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
  f( f4 ^6 k) Y* O[    1.818481] omap_rtc: RTC power up reset detected7 e  a1 {, l3 {9 H# [$ c6 W
[    1.824103] i2c /dev entries driver; j3 `6 a  X/ B: I
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
4 X! V" }; C! f* j8 d5 z[    1.837971] IR NEC protocol handler initialized5 g* e4 X# f' h2 v  u: p0 e
[    1.842583] IR RC5(x) protocol handler initialized
  ?/ [& y8 U. Y, a[    1.847554] IR RC6 protocol handler initialized
% k" e8 Q7 |. \/ f( U[    1.852136] IR JVC protocol handler initialized
" }. U0 C9 \2 D) w) h[    1.856796] IR Sony protocol handler initialized2 j" `  ~5 h3 i6 v. H2 j7 w& H' P
[    1.861480] IR RC5 (streamzap) protocol handler initialized
9 `& l+ c" F3 y( R4 Z5 p[    1.867170] IR SANYO protocol handler initialized# ^+ V3 q3 j! ?4 I8 x6 }1 a& l: W
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
" }$ k1 A2 K1 u$ Z- ~8 d" P[    1.877882] IR LIRC bridge handler initialized1 h6 T2 p8 m$ q0 Y1 n# T! O+ H
[    1.882369] Linux video capture interface: v2.007 F& ?' G- L6 F2 N4 t2 s
[    1.888722] watchdog watchdog: heartbeat 60 sec! Q3 e6 ]9 W. }4 B3 b8 I
[    1.895285] cpuidle: using governor ladder
" j) M' [0 r8 X[    1.900118] cpuidle: using governor menu( V3 r; H  Z: \, I" U
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode/ n' s* c* S( n  F
[    1.918396] TCP cubic registered
. q+ y- \& M3 K1 z9 S9 P) c[    1.921694] NET: Registered protocol family 17
) _, t% j: H( _2 s9 V& P) {[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator! Y4 F" n- `5 l) X: Q
[    1.942633] console [netcon0] enabled
9 V$ g& _6 h: }$ b$ x! W[    1.946844] netconsole: network logging started8 A  x% K! Q' _0 ^# @& C( K+ I
[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
1 J/ k. g1 W7 v; q[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
; t; n; y6 Y2 G3 q3 \( }[    1.981557] Root-NFS: no NFS server address
0 ^3 j- H  d: A1 Q+ D- |[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
7 H% o) @, R# r  A. w# J[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
3 e, e. g+ S: t: A  K[    2.000512] Please append a correct "root=" boot option; here are the available partitions:' j4 q4 I( o/ d( x/ R- O
[    2.009218] 1f00             128 mtdblock0  (driver?)
; U- l+ G! z7 P5 H. ?[    2.014571] 1f01             512 mtdblock1  (driver?)
8 r7 O: H( K, [  Y0 t( ][    2.020016] 1f02             512 mtdblock2  (driver?), E! }8 Q' x: {( D+ C4 A+ p" K
[    2.025353] 1f03            4096 mtdblock3  (driver?), e1 @2 q& S# |* Y9 x; [
[    2.030825] 1f04          519040 mtdblock4  (driver?)+ S( i9 g9 a" v7 @
[    2.036225] 1f05              64 mtdblock5  (driver?)
3 d( l& Z' C* w0 V3 H4 R( G: P: j[    2.041536] 1f06             512 mtdblock6  (driver?)
( O# H% f( Z8 b4 v) }[    2.046904] 1f07              64 mtdblock72 x  i* M1 J, A
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
' k/ M" Q% i7 C# S# A% |[    2.059503]  (driver?): w3 [  D- H) X% e. v* k. w6 \
[    2.061933] 1f08            2560 mtdblock8  (driver?)% q# u* o- L& l$ y8 \0 o* {# g2 p: W7 q
[    2.067289] 1f09            4096 mtdblock9, c5 E1 \, i: U4 l
[    2.071638] mmc0: new high speed SDHC card at address 1234$ B" |& G$ W' I& |+ Z" g
[    2.077485]  (driver?)
3 n2 n% }0 d) q0 ~& s+ H, S2 R[    2.079916] 1f0a              64 mtdblock10  (driver?)
1 g8 x% n8 P: [! j$ O3 r# N5 K[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
- a& v3 p  a+ M9 ~; x                                                                                                                                          
2 K/ B& b. c# K2 p4 {1 _然后串口就没有反应了，紧急求助
7 _4 J1 T5 x3 i+ Y3 j6 `! s0 z+ Q/ U9 Y# \" K$ Q
作者: teddy    时间: 2014-8-14 17:20
    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.# D! g9 n& H  w, u% I. k
[    2.059503]  (driver?)
% Y+ F& a# D) @% U2 r0 P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。+ \8 R7 e. n" H$ S1 r, Z. h( P: U




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