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我在创龙提供的Linux3.3的内核上，在Device driver选项中去掉USB驱动，结果在启动的过程中出现了
% x* [! q% T6 O* v4 \- H' x[ 1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
3 g( ^0 [, L8 T$ s. I[ 1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e000
% ~( B+ e. u. ~2 h* a4 b[ 1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
2 u c# y, B+ O[ 1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access0 \, h9 ~0 V: |& Z/ j$ u+ @
[ 1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
, z4 E3 T- A: `% K[ 1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator) m" A2 l4 r. }2 U) _! R
[ 1.790613] ads7846 spi1.1: touchscreen, irq 1459 @3 v/ g$ m4 S
[ 1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
7 O! z; e& Y7 ]. H" t[ 1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0 u7 c9 h- G3 q0 X( y
[ 1.818481] omap_rtc: RTC power up reset detected: u! {! L& [- i7 r; i! |1 d
[ 1.824103] i2c /dev entries driver% l' L/ _, N: J2 `6 F( Y
[ 1.831084] lirc_dev: IR Remote Control driver registered, major 253
# l6 F: l7 n# k2 y. b6 ?# k' m[ 1.837971] IR NEC protocol handler initialized6 c! |1 x, L* D2 l {) ~
[ 1.842583] IR RC5(x) protocol handler initialized$ O0 w' w" q$ g& z4 N7 r
[ 1.847554] IR RC6 protocol handler initialized
3 y; ^; T9 M4 J* e/ }8 n[ 1.852136] IR JVC protocol handler initialized
3 i) |' s4 a! u0 t! I0 d[ 1.856796] IR Sony protocol handler initialized$ [$ ], ?: {7 Y( c4 h5 ^
[ 1.861480] IR RC5 (streamzap) protocol handler initialized8 F8 F& p3 J8 K- r
[ 1.867170] IR SANYO protocol handler initialized
( V" w6 i+ ?& G" \[ 1.871935] IR MCE Keyboard/mouse protocol handler initialized1 ?$ f% B0 q" Q& _- M
[ 1.877882] IR LIRC bridge handler initialized
; u! k; G. ?9 g& G) e" T6 h[ 1.882369] Linux video capture interface: v2.00) t& D9 P' T8 y. b! W- v3 L- x
[ 1.888722] watchdog watchdog: heartbeat 60 sec
4 I! E0 g, y7 ~; ?2 j[ 1.895285] cpuidle: using governor ladder/ ^ K6 o3 i8 M3 I' P
[ 1.900118] cpuidle: using governor menu) Q! m" r) i8 O8 {3 M$ P, v0 ^/ o
[ 1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
2 K8 z0 \0 W& s! L[ 1.918396] TCP cubic registered
% A3 l3 k" m+ O[ 1.921694] NET: Registered protocol family 174 `. `! {9 P+ L: S/ C' U
[ 1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator
2 y: |4 c3 o# S( `[ 1.942633] console [netcon0] enabled% J- O: e% E) V" M4 x7 u0 e! a
[ 1.946844] netconsole: network logging started
" p" J" p& t! O2 c- e[ 1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d
9 x8 @. X) i7 b[ 1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)' b7 F3 W2 W% q
[ 1.981557] Root-NFS: no NFS server address
2 F' X8 J# ]- B* [[ 1.985997] VFS: Unable to mount root fs via NFS, trying floppy.: O5 C7 U% I" N1 b: i e, I
[ 1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
% B/ l5 l5 Z. j! j5 I- |[ 2.000512] Please append a correct "root=" boot option; here are the available partitions:7 Q8 V. B! [; f& L/ _
[ 2.009218] 1f00 128 mtdblock0 (driver?)" {/ M* k5 p* u* F
[ 2.014571] 1f01 512 mtdblock1 (driver?)) m+ M( U. k% p1 ?$ h
[ 2.020016] 1f02 512 mtdblock2 (driver?)
0 f. @/ O( f+ g$ j% a! g[ 2.025353] 1f03 4096 mtdblock3 (driver?)
6 |2 F" `5 h( r[ 2.030825] 1f04 519040 mtdblock4 (driver?)
, V7 q. I! s4 H" t3 X6 q* m- z, [[ 2.036225] 1f05 64 mtdblock5 (driver?)/ X) q3 `/ l- n9 X/ I
[ 2.041536] 1f06 512 mtdblock6 (driver?)& @3 Q8 `3 I' X' S$ D, I/ B7 `$ q
[ 2.046904] 1f07 64 mtdblock72 y4 M3 g) `; B" l/ k0 _
[ 2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
0 P& h% J- A; f$ E- ?0 ^[ 2.059503] (driver?)9 P- L7 q1 d! F5 H4 N
[ 2.061933] 1f08 2560 mtdblock8 (driver?)
7 W; g! U8 \& g4 o( X[ 2.067289] 1f09 4096 mtdblock9
$ M; m* R9 w. y- q% a[ 2.071638] mmc0: new high speed SDHC card at address 1234, b s! ]/ ?0 ^3 j7 X/ a$ S* {) t
[ 2.077485] (driver?)
. e2 b! e# H5 V8 }3 `6 J3 F- @[ 2.079916] 1f0a 64 mtdblock10 (driver?)3 U9 U; H9 R2 {- u; s" N: }
[ 2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
0 S3 J& \: E* s4 j* A0 I # q6 O9 D% A8 L- u+ z
去掉I2C驱动后也会出现同样的问题，请各位高手指教- ~: \; d( |( @* C* M
; A2 `/ t1 w: c7 O" B+ p/ M5 ~+ \$ J |
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发表于 2014-8-14 11:33:03
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