У меня есть встроенная плата freescale MPC8569. ранее я установил на нем версию Linux 2.6.32, и все интерфейсы, подключенные к процессору, работают нормально.
Теперь я обновил версию Linux до 3.10, и теперь порт Ethernet не работает. Это вывод моей команды ifconfig.
ifconfig eth0 up
[ 745.019507] Unable to handle kernel paging request for data at address 0x00000000
[ 745.027157] Faulting instruction address: 0x70411bec
[ 745.032111] Oops: Kernel access of bad area, sig: 11 [#1]
[ 745.037491] MPC8569 MDS
[ 745.039924] Modules linked in:
[ 745.042971] CPU: 0 PID: 998 Comm: ifconfig Not tainted 3.12.13-00010-g1cd7a83-dirty #9
[ 745.050868] task: dfb51900 ti: dfbc4000 task.ti: dfbc4000
[ 745.056248] NIP: 70411bec LR: 702adb9c CTR: 00000000
[ 745.061196] REGS: dfbc5c80 TRAP: 0300 Not tainted (3.12.13-00010-g1cd7a83-dirty)
[ 745.068831] MSR: 00029000 <CE,EE,ME> CR: 24002428 XER: 00000000
[ 745.074920] DEAR: 00000000, ESR: 00800000
[ 745.078913]
GPR00: dfbc5d38 dfbc5d30 dfb51900 7055c56c dfa87e8d dfa87e2d 00000000 00000687
GPR08: 00021000 00000000 71e041c0 70420fa0 24002424 1013c254 00000270 100d4410
GPR16: 100d4500 00000238 00000000 4fe1b0d8 dfbc5e18 ffff8914 dfa06d00 dfa78000
GPR24: 00000000 00000000 dfa06d0c dfbc5e08 7055c3e8 7055c570 dfb51900 7055c56c
[ 745.108562] Call Trace:
[ 745.110997] [dfbc5d60] [702adb9c] 0x702adb9c
[ 745.115252] [dfbc5d70] [702b6b4c] 0x702b6b4c
[ 745.119508] [dfbc5d90] [70312770] 0x70312770
[ 745.123763] [dfbc5db0] [7030f510] 0x7030f510
[ 745.128019] [dfbc5dd0] [70311c24] 0x70311c24
[ 745.132274] [dfbc5df0] [70369028] 0x70369028
[ 745.136529] [dfbc5e60] [70369da8] 0x70369da8
[ 745.140785] [dfbc5e70] [702fe1e4] 0x702fe1e4
[ 745.145040] [dfbc5e90] [700d60a8] 0x700d60a8
[ 745.149295] [dfbc5ea0] [700d6284] 0x700d6284
[ 745.153551] [dfbc5f10] [700d691c] 0x700d691c
[ 745.157806] [dfbc5f40] [7000d748] 0x7000d748
[ 745.162062] --- Exception: c01 at 0xfe41718
[ 745.162062] LR = 0xfecaa24
[ 745.169265] Instruction dump:
[ 745.172219] 38000000 7d201828 7c00192d 40a2fff8 2f890001 419e007c 813f0008 38010008
[ 745.179957] 3bbf0004 901f0008 93a10008 9121000c <90090000> 93c10010 48000010 38000002
[ 745.187872] ---[ end trace 1ec9adc8d4459f31 ]---
[ 745.192472]
Segmentation fault
Какие моменты следует учитывать при обновлении версии моего ядра?