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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
  j' S8 B- [' D" r[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
: `3 z" t% z, Q# Z" a: ^[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000, M0 n* @+ P- Y  s
[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
3 P4 L+ I& M' d4 }[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access# Y" W. v- [, a8 |) k
[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5" [' V# |: S! d& x) f0 C8 Z, x# X
[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
% e  G% v* a: }2 `+ X* [! p[    1.790613] ads7846 spi1.1: touchscreen, irq 145
- t0 [0 Z& m% \3 _7 s/ X0 G[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
; f' h# L  v; `" ]8 Q[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
" g' Y' T. d( S1 |6 r% h[    1.818481] omap_rtc: RTC power up reset detected
# _% M. A$ q. B4 O$ Y  j$ E[    1.824103] i2c /dev entries driver* H: K2 _' g/ w
[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
  b6 A# s1 ?/ ^! x  w: z2 Y[    1.837971] IR NEC protocol handler initialized
: ]% H* P* i$ E0 @, ?5 ~& t[    1.842583] IR RC5(x) protocol handler initialized3 c% z: o5 x- y5 G; ?) I
[    1.847554] IR RC6 protocol handler initialized- W/ f& [& }8 r1 V* r' q
[    1.852136] IR JVC protocol handler initialized; V2 b, ~$ z" A. @
[    1.856796] IR Sony protocol handler initialized
3 F8 r$ D* }+ G+ @; `[    1.861480] IR RC5 (streamzap) protocol handler initialized
2 G. C# x3 [" k/ m6 X) |[    1.867170] IR SANYO protocol handler initialized0 u" _) L1 A/ w+ h
[    1.871935] IR MCE Keyboard/mouse protocol handler initialized$ E% w% ^; o, ~. y* u/ {8 I
[    1.877882] IR LIRC bridge handler initialized; `0 J2 @/ ^; s+ X5 d
[    1.882369] Linux video capture interface: v2.008 f* `: m% g; M% \0 F* B6 U
[    1.888722] watchdog watchdog: heartbeat 60 sec0 e* l1 @. m& n! |" d% W4 e
[    1.895285] cpuidle: using governor ladder# F6 K% G* m, k' ^
[    1.900118] cpuidle: using governor menu
7 C/ |; G) C, f[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
3 y# @1 f, M3 y* n  H[    1.918396] TCP cubic registered
7 [7 T1 d* R! s2 M3 v$ P: q[    1.921694] NET: Registered protocol family 17, @- n# O& n4 |, h
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator# v0 T# C; N/ z& A/ h1 q  H) r
[    1.942633] console [netcon0] enabled
9 y" V3 c- |! G[    1.946844] netconsole: network logging started0 l# F( Z; J) G& h5 a* k4 m! n
[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
( C' l9 N1 z3 W, V( J3 N[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
9 t& _: ?/ L7 b[    1.981557] Root-NFS: no NFS server address
& W" {6 D8 ^# X* I& {+ W[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
. w* `( p$ k. P0 T# J0 R) E' Q" Q[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
; D0 U9 X) G0 J[    2.000512] Please append a correct "root=" boot option; here are the available partitions:; W4 V% l8 m/ ~( |% A
[    2.009218] 1f00             128 mtdblock0  (driver?)
! V& j) I5 M) J; f; L+ p- P[    2.014571] 1f01             512 mtdblock1  (driver?)
# X, E) e; W2 L- x8 q3 \[    2.020016] 1f02             512 mtdblock2  (driver?)
1 Q4 V. o# [/ e9 u- {[    2.025353] 1f03            4096 mtdblock3  (driver?)
: [9 K+ \7 `4 E4 v, g6 C[    2.030825] 1f04          519040 mtdblock4  (driver?)1 P3 X5 \2 j: n
[    2.036225] 1f05              64 mtdblock5  (driver?): g1 u, m3 i: F8 E; v
[    2.041536] 1f06             512 mtdblock6  (driver?)
) b5 S1 @+ y: M5 ][    2.046904] 1f07              64 mtdblock7
2 k4 k0 ?$ q8 X  m: [% f[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.5 i0 q2 ]* n1 Z4 l
[    2.059503]  (driver?)
  w5 Q- \% K5 Y' h1 K; W3 S% ^[    2.061933] 1f08            2560 mtdblock8  (driver?)+ C  |) r% X% h' {  f" A+ }; i
[    2.067289] 1f09            4096 mtdblock99 Z$ A' v+ R7 w. P- F
[    2.071638] mmc0: new high speed SDHC card at address 1234
: z& A: y! J+ ?5 n8 p- D4 G[    2.077485]  (driver?). I: O- o) B! c
[    2.079916] 1f0a              64 mtdblock10  (driver?)
  K' t/ w& N: m[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)7 l( Y  A& v) e9 o% J3 ]8 _; N+ U# k
                                                                                                                                           8 n5 j: f! K8 j, r- u7 i
然后串口就没有反应了，紧急求助
8 ?: @7 F9 Y4 h! t: b& t& z* s% m8 ]: u2 o. x. k* r
作者: teddy    时间: 2014-8-14 17:20
    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable., N6 ]  x, F: t' d9 M, I3 y
[    2.059503]  (driver?)
( q# C" E) T, O) n, 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。+ M  H$ I4 P% j- @




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