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 | 显示全部楼层 |阅读模式
启动现象如下
* L. K8 h; U. }, |6 q[    1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff( C6 S2 s! P% T! Z
[    1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000  g" |' {5 B2 w0 Y
[    1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
0 J* G! l/ v, h% ]) ]: ?* P0 L[    1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access2 H" N9 ?0 x$ {/ I$ W* b
[    1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -56 j- w3 F2 Z. J7 ?
[    1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator  y9 \: u4 N+ f
[    1.790613] ads7846 spi1.1: touchscreen, irq 1451 m& P/ g: A3 q3 r! x
[    1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input03 S* x% _# a2 X' x
[    1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0" H0 H! p) _" A* {4 m/ y* t' J0 f
[    1.818481] omap_rtc: RTC power up reset detected, \$ g0 p, f( X- L8 p
[    1.824103] i2c /dev entries driver
) r* i; j6 g5 X  E4 J[    1.831084] lirc_dev: IR Remote Control driver registered, major 253
  f! g9 c# f- }' I! N. g1 j[    1.837971] IR NEC protocol handler initialized. R; w3 g5 O9 g+ _
[    1.842583] IR RC5(x) protocol handler initialized9 S* X9 z4 q4 d9 `% g: G
[    1.847554] IR RC6 protocol handler initialized
( c- I/ w, o. m, K" n[    1.852136] IR JVC protocol handler initialized
# T9 p! F/ R' k1 b* K7 G[    1.856796] IR Sony protocol handler initialized
1 w8 |% v7 l8 z/ c[    1.861480] IR RC5 (streamzap) protocol handler initialized
$ F) E+ p% f9 @[    1.867170] IR SANYO protocol handler initialized
9 }; ^3 A+ o% B0 n% H  z[    1.871935] IR MCE Keyboard/mouse protocol handler initialized
5 V3 H4 U  q* P+ i' _! O[    1.877882] IR LIRC bridge handler initialized
$ i. G1 ]" P- G8 J% D- k& l6 f[    1.882369] Linux video capture interface: v2.003 R/ u6 M. J) N1 v
[    1.888722] watchdog watchdog: heartbeat 60 sec
# {) q7 @8 L# ?  g[    1.895285] cpuidle: using governor ladder* d3 X( S5 s% R+ W
[    1.900118] cpuidle: using governor menu4 P- z  F$ g! p7 c6 k4 Y# l
[    1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode0 M1 b" G7 e6 b# [$ _2 V; s
[    1.918396] TCP cubic registered
4 `8 z5 |* e& O. B" E! A[    1.921694] NET: Registered protocol family 17/ h) U2 Z2 ?+ S
[    1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator, o9 `. S3 E/ w
[    1.942633] console [netcon0] enabled
4 Y& V9 T6 K! e+ E4 H& u0 b[    1.946844] netconsole: network logging started
1 t' f$ ]* J4 y5 X! U  G[    1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d8 Y4 U7 c7 D# ]5 ~+ I* Z
[    1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800): W$ i( L. l. ^/ N3 d0 J2 O
[    1.981557] Root-NFS: no NFS server address( G' C  N9 N0 Y
[    1.985997] VFS: Unable to mount root fs via NFS, trying floppy.. `' c8 f' V4 u  d. H+ L0 J
[    1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
5 q# T4 T' x! x[    2.000512] Please append a correct "root=" boot option; here are the available partitions:
# ?% Z. u2 t; a[    2.009218] 1f00             128 mtdblock0  (driver?)# A8 L: c% Z. k7 `" c; F, e" P& d
[    2.014571] 1f01             512 mtdblock1  (driver?); U/ L. H7 Q! z  t# s
[    2.020016] 1f02             512 mtdblock2  (driver?)
0 h9 X: q$ n2 N8 Z. g[    2.025353] 1f03            4096 mtdblock3  (driver?)% o7 c2 Z! V% m1 R( V: |, n
[    2.030825] 1f04          519040 mtdblock4  (driver?)0 O  `0 ?/ N, g/ A4 k* ^' R
[    2.036225] 1f05              64 mtdblock5  (driver?)# B/ ^0 d  h. r
[    2.041536] 1f06             512 mtdblock6  (driver?), b/ f8 M, N* ~/ L
[    2.046904] 1f07              64 mtdblock7
4 U' s& v" I) d6 e$ }+ v[    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.% @8 ^' d6 m+ C6 ~7 }1 h
[    2.059503]  (driver?), O: r2 w( Z  x2 @
[    2.061933] 1f08            2560 mtdblock8  (driver?)
( F* [) I* F! k[    2.067289] 1f09            4096 mtdblock9/ K8 C* Y* [9 N1 n7 E; q
[    2.071638] mmc0: new high speed SDHC card at address 1234
( \5 \7 ^6 C" u. L+ e[    2.077485]  (driver?)) k7 v) c7 R, h( ~
[    2.079916] 1f0a              64 mtdblock10  (driver?)
% f: Y$ c* f+ ^[    2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
5 O7 D+ J8 k2 \" f% m, p: U                                                                                                                                          
9 D3 H% M( \9 o; l, w* n然后串口就没有反应了,紧急求助. {# A, s' b1 p, [8 f) k; v
8 g) m" G" s! U* m% w" g9 H
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发表于 2014-8-14 17:20:48 | 显示全部楼层
    2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.6 E1 ]' a4 `: s0 t% @" b; ], @
[    2.059503]  (driver?)
+ ?5 C0 t& X( ?3 h+ @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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