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启动现象如下' U* i9 i" R, N5 P9 q3 k6 d
[ 1.601224] Read MAC addr from SPI Flash: ff:ff:ff:ff:ff:ff
+ O& I, G5 H7 o" F[ 1.608128] spi_davinci spi_davinci.1: Controller at 0xfef0e0002 ^. I: O7 X" _! c6 a
[ 1.665922] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
7 a/ t# i9 r/ X' P" I1 c" W" u* T[ 1.765823] davinci_mdio davinci_mdio.0: timed out waiting for user access
; }; G# T/ u: t% e! P[ 1.773673] davinci_mdio: probe of davinci_mdio.0 failed with error -5
# S( C5 K5 B& ^# {/ w; x[ 1.782316] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
. i7 S, d2 ^( B0 u* s8 Q( z" H6 f. F' _[ 1.790613] ads7846 spi1.1: touchscreen, irq 145
% X5 E5 T( ?6 _. l `/ F% P[ 1.796961] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input04 f9 q; c: ^: }$ {5 y; H) ]
[ 1.811665] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
% i% K& w: L- a1 |/ ` q, o[ 1.818481] omap_rtc: RTC power up reset detected9 H9 w2 V# A& \0 k! {9 x4 d! B/ J3 L
[ 1.824103] i2c /dev entries driver) q, ]) U3 U4 F) A+ k, ]/ @9 _
[ 1.831084] lirc_dev: IR Remote Control driver registered, major 253& ]7 h; _! }+ Q) N9 J T
[ 1.837971] IR NEC protocol handler initialized
% Q) V- z4 X8 J/ e[ 1.842583] IR RC5(x) protocol handler initialized# n6 Y/ P0 `* n
[ 1.847554] IR RC6 protocol handler initialized9 b% A0 @* Y# u+ L. f
[ 1.852136] IR JVC protocol handler initialized
- [- E7 g# d8 p' Q3 a( Z' H3 l[ 1.856796] IR Sony protocol handler initialized
: Z1 Z* K/ z4 G3 C }2 t# E[ 1.861480] IR RC5 (streamzap) protocol handler initialized% b- f2 I1 H& F/ @
[ 1.867170] IR SANYO protocol handler initialized3 @" Q3 B1 q; v. ]- C; j% y+ R% O
[ 1.871935] IR MCE Keyboard/mouse protocol handler initialized# T6 l3 p2 [. ?7 d' o, N
[ 1.877882] IR LIRC bridge handler initialized
6 a- `6 l s0 ^6 Y[ 1.882369] Linux video capture interface: v2.00
7 J7 H3 l+ }1 K3 m7 i[ 1.888722] watchdog watchdog: heartbeat 60 sec- B4 T8 o H% z) D
[ 1.895285] cpuidle: using governor ladder' V/ @0 h' J. b9 u6 M, P6 t
[ 1.900118] cpuidle: using governor menu
& B2 w# l! `0 `. N[ 1.907499] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode( c4 U4 `$ k8 Z5 f) ?/ e
[ 1.918396] TCP cubic registered
& Q; w+ ^; x% M5 @( Q# N[ 1.921694] NET: Registered protocol family 175 v! ]' X2 K+ u
[ 1.927113] _regulator_get: deviceless supply cvdd not found, using dummy regulator4 m, p7 c! M5 [' M3 Q8 F
[ 1.942633] console [netcon0] enabled
B+ _" R$ q# f- V[ 1.946844] netconsole: network logging started5 A0 L9 x* D. O" R! k
[ 1.951985] davinci_emac davinci_emac.1: using random MAC addr: 72:9d:29:ed:bd:8d" T" c- y+ j! t& Y9 ]! p
[ 1.971301] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800). a1 P% d4 h1 A. b
[ 1.981557] Root-NFS: no NFS server address P5 t5 m- m. ~% d
[ 1.985997] VFS: Unable to mount root fs via NFS, trying floppy.
$ y* R" {. O4 `' @: M2 \+ g; i[ 1.993259] VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0)
7 {' X, c# a8 H# @' ][ 2.000512] Please append a correct "root=" boot option; here are the available partitions:
* E. ^! b T! o) `+ [[ 2.009218] 1f00 128 mtdblock0 (driver?)
( V5 p2 o" f) k) n H8 T) R[ 2.014571] 1f01 512 mtdblock1 (driver?). \) ]1 \, x1 F
[ 2.020016] 1f02 512 mtdblock2 (driver?)5 H1 Q/ ~2 t5 J! ^2 o" o
[ 2.025353] 1f03 4096 mtdblock3 (driver?)
6 k- p7 N$ q8 g6 q* c% _& I& Z[ 2.030825] 1f04 519040 mtdblock4 (driver?)0 F7 }. h* p1 t6 ]
[ 2.036225] 1f05 64 mtdblock5 (driver?)
0 b# Y+ M* X6 J4 U4 c0 a! q# _4 J[ 2.041536] 1f06 512 mtdblock6 (driver?)
$ { q$ W' A* A8 n, h4 l[ 2.046904] 1f07 64 mtdblock7
$ k7 I; r7 l: ?+ \+ i# }. |: h[ 2.051053] mmc0: host does not support reading read-only switch. assuming write-enable.
0 P/ ]7 [6 C+ {6 i% G5 _0 c[ 2.059503] (driver?): u$ n6 d1 G& g. x1 [5 A- [7 c
[ 2.061933] 1f08 2560 mtdblock8 (driver?); M8 r# L' Q7 B! @
[ 2.067289] 1f09 4096 mtdblock9
$ e& W) C; S/ o[ 2.071638] mmc0: new high speed SDHC card at address 1234% b' X# ^" J: |' V- T$ F
[ 2.077485] (driver?)
2 g y% a" G8 |5 Q8 z; Z[ 2.079916] 1f0a 64 mtdblock10 (driver?)
* ^: I8 J+ o6 r' K[ 2.085120] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
G$ p+ w! b% T6 l
1 b! H- l: l+ K) W; U Z! T然后串口就没有反应了,紧急求助
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