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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
2 z$ ~7 G# j: W# u1 S* f+ E[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff  X/ g, k- h! a
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000+ C5 l( Z" d# s
[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5% N" ?0 Q/ ~0 a# [3 c
[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
9 Y; R, Q5 z% J7 u( ?6 S[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
% o4 n& L6 a. Y! J[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator. `. q8 J& E6 o6 ]1 B
[    1.790613] ads7846 spi1.1: touchscreen, irq 145; L0 K% ~1 v/ L6 l- l" S% q" \7 M
[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
5 F) O, Q3 K0 ~3 u$ n' A  ^* h[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
' S7 a& w  J, }' `" v4 I1 l9 ]& f[    1.818481] omap_rtc: RTC power up reset detected
+ V- m4 _; h3 S. \* v# h  c8 p. U2 h[    1.824103] i2c /dev entries driver6 {8 L# q  F6 x# d% o, z
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
* z7 _- G  o* L[    1.837971] IR NEC protocol handler initialized
5 m+ E, H( k5 T5 W6 z  q[    1.842583] IR RC5(x) protocol handler initialized" k# |5 {' M  @% A
[    1.847554] IR RC6 protocol handler initialized
& D- k! [( M8 J# L0 s/ |[    1.852136] IR JVC protocol handler initialized
3 r- r0 m. r* _# v) ^) t3 X[    1.856796] IR Sony protocol handler initialized. a4 x' m3 p( t2 g' r% I. X
[    1.861480] IR RC5 (streamzap) protocol handler initialized
6 a* G: L- p* d3 Q[    1.867170] IR SANYO protocol handler initialized
: X: p6 ?3 Q8 e9 g2 e[    1.871935] IR MCE Keyboard/mouse protocol handler initialized! _+ c6 i; t, P* n+ _: V9 E
[    1.877882] IR LIRC bridge handler initialized
8 ]( ^9 T. O3 W; ~[    1.882369] Linux video capture interface: v2.00; E& T9 @) Y6 U- m5 k5 Q9 C; p
[    1.888722] watchdog watchdog: heartbeat 60 sec
' \) q5 o& m5 t& ~$ v* _[    1.895285] cpuidle: using governor ladder- ^7 s8 Q8 p& B0 d" p
[    1.900118] cpuidle: using governor menu3 _% V; G6 e. t3 W
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
+ \' |; v4 W# X- l; J[    1.918396] TCP cubic registered
; E1 Q) v5 C- Z, k8 O  j[    1.921694] NET: Registered protocol family 17
& a8 g& V, y7 f  X( R[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator4 F' N* o' f7 L" R$ j
[    1.942633] console [netcon0] enabled
" {. \- l2 `& J. O' @9 d) M& `[    1.946844] netconsole: network logging started
; Q, o% }- `) J4 W6 V[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d  S8 V$ E' s+ G+ d6 [3 d
[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
8 u# r+ z* h0 i# I& ]0 W% \& D[    1.981557] Root-NFS: no NFS server address
1 F. T. \  O: ]: B" A[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.0 [4 v& ~+ F1 \" `/ @" R: i
[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
0 P. \  r- a: W6 a5 x" ][    2.000512] Please append a correct "root=" boot option; here are the available partitions:
2 U/ o0 O! Q. J6 i* {[    2.009218] 1f00             128 mtdblock0  (driver?)4 G; ]# L8 |+ g' a' i
[    2.014571] 1f01             512 mtdblock1  (driver?)1 k  I, l! Q9 \  E2 C# j7 M8 Q0 H
[    2.020016] 1f02             512 mtdblock2  (driver?)$ O4 Q. z; d6 m! J" z; B! r. D
[    2.025353] 1f03            4096 mtdblock3  (driver?)
  T1 _; _4 v! ?: V6 ^, T( `- X[    2.030825] 1f04          519040 mtdblock4  (driver?)
- v; Z7 d. F& ^/ I% o1 f2 m3 Y9 N$ H4 I+ j[    2.036225] 1f05              64 mtdblock5  (driver?)
% {$ R6 m- q: Y) h" j! O[    2.041536] 1f06             512 mtdblock6  (driver?)
$ H) T7 G- s. I1 _4 K2 l[    2.046904] 1f07              64 mtdblock7. A/ ?& a* I8 d
[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.8 g: b3 a! y8 x; a
[    2.059503]  (driver?)$ \; z( N$ l' _
[    2.061933] 1f08            2560 mtdblock8  (driver?)
4 e9 G0 r# q! j( F' [[    2.067289] 1f09            4096 mtdblock9
7 R& e" g0 z5 A2 w  E[    2.071638] mmc0: new high speed SDHC card at address 1234
9 j1 y, v! J# `" W6 P5 d# \[    2.077485]  (driver?)" S& O3 B: n# S- J# g9 K' j6 f
[    2.079916] 1f0a              64 mtdblock10  (driver?); f8 A3 r( w+ k4 V& d/ v+ s
[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
- }0 k, w1 a0 S' X                                                                                                                                          
$ z* d0 Z( b* _/ K: N) g然后串口就没有反应了，紧急求助
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作者: teddy    时间: 2014-8-14 17:20
    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
5 F0 e) |( V/ ]% G7 n) C2 _* {[    2.059503]  (driver?)  p3 X+ u1 }+ Z, |  z
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。4 ]  @0 W: _9 \# |' z! a




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