一、不开机类流程图 1、打印信息内容： UART_115200 BIST0-FAIL BIST1-OK [012345678][]-44 [012345678][01234567]-43_nPD 可能原因：DDR 0 2、打印信息内容： s8SN0(6) s8SN1(7)!!!!!!! should go to standby!!!!! Wait for PM51 standby........... PM51 run ok........... MailBox: MDrv_PM_SetDbgLevel...! Get PM command: 0x30.MDrv_PM_Init OK MailBox: MDrv_PM_Init...(0x01) power down 可能原因：待机状态 3、打印信息内容： UART_115200 BIST0-FAIL BIST1-FAIL [][]-44 [][]-44 可能原因：主芯片 4、打印信息内容： 鳸ART_115200 BIST0-OK BIST1-OK [][]-44[12345678][012345678]-44 可能原因：主芯片 5、打印信息内容： U-Boot (Aug 27 2010 - 18:22:39) Board: MSTAR TITANIA (CPU Speed 504 MHz) DRAM: 134217728 Skipping flash_init Flash: 0 kB NAND: unknown FLASH 可能原因：NANA flash故障、检查flash与主芯片通信，确认正常后代换NANA flash，如果不能排除，更换主芯片。 6、打印信息内容： Board: MSTAR TITANIA (CPU Speed 504 MHz) DRAM: 134217728 Skipping flash_init Flash: 0 kB NAND: nand_bbt: searching bbt....Bad block table found at page 65472, version 0x01nand_bbt: searching bbt.....Bad block table found at page 65408, version 0x01nand_read_bbt: Bad block at 0x06880000 128 MiB In: serial Out: serial Err: serial Net: No ethernet found. MSVC00B000100100208811DA0000000 Set MIU0 group priority:c9..... Set MIU1 group priority:c9..... （打印到此处后，无任何信息） 可能原因：重新升级软件 7、打印信息内容： UBIFS error (pid 1): ubifs_read_node: cannot read node 9 from LEB 40:103072, error -22 UBIFS error (pid 1): ubifs_iget: failed to read inode 1, error -22 List of all partitions:fe00 4096 msram0 (driver?) 00 128 mtdblock0 (driver?) 01 1024 mtdblock1 (driver?) 02 1024 mtdblock2 (driver?) 03 114816 mtdblock3 (driver?) 04 14080 mtdblock4 (driver?) No filesystem could mount root, tried: ubifs Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) （打印到此处后，无任何信息） 可能原因：重新升级软件 8、打印信息内容： 第一部分 fuse init (API version 7.10) msgmni has been set to 36 CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 80626210, ra == 8062644cOops[#1]: Cpu 0 $ 0 : 00000000 0000002d 00000000 00000000 $ 4 : 00000001 00000001 00000003 00000001 $ 8 : 00000000 e00676bc 00000003 00000006 $12 : 8213bba8 00000000 00000000 00000014 $16 : e0066000 00000046 e0066000 00000002 $20 : 00000001 00000005 00000003 00000002 $24 : 80852c90 0000001a $28 : 8213a000 8213bbd0 00000002 8062644c Hi : 0000000b Lo : 5555555b epc : 80626210 zlib_tr_stored_block+0xcc/0x1e4 Not tainted ra : 8062644c zlib_tr_flush_block+0x124/0x6f4 第二部分 Status: 11008c03 KERNEL EXL IE Cause : 0080000c BadVA : 00000000PrId : 00019554 (MIPS 34Kc)Modules linked in: Process cryptomgr_test (pid: 174, threadinfo=8213a000, task=82019f48, tls=00000000) Stack : e00676bc e0066000 00000002 00000001 00000005 00000046 e00676bc 8062644c 5a5aa5a5 e0066000 00000036 00000043 e0066000 00000000 00000043 00000002 00000001 80623900 5a5aa5a5 5a5aa5a5 80950000 82019f48 820f6a80 e0066000 00000005 80905e94 00000046 8213bcc4 8213bcc0 8062344c 8096fec0 80970000 820f6b00 80446434 8213bc58 00000000 820f6a80 820f6a00 80905e94 80600970 ... Call Trace: [<80626210>] zlib_tr_stored_block+0xcc/0x1e4 [<8062644c>] zlib_tr_flush_block+0x124/0x6f4 [<80623900>] deflate_slow+0x1dc/0x498 第三部分 <8062344c>] zlib_deflate+0x128/0x400 [<80600970>] deflate_compress+0x94/0xac [<805facf8>] test_comp+0x90/0x300 [<805fafc4>] alg_test_comp+0x5c/0xa4 [<805fb3b0>] alg_test+0x178/0x364 [<805fabdc>] cryptomgr_test+0x3c/0x5c [<804417b0>] kthread+0x58/0xa4 [<8040aa94>] kernel_thread_helper+0x10/0x18Code: 960416b4 24650001 00431021 <a0440000> ae050014 8e070014 8e030008 322600ff 24020008 （打印到此处后，无任何信息） 可能原因：主芯片故障，更换 9、打印信息内容： heck_keypad is[0]--keypad_pressed is [0] ---check_version is[0] Set MIU0 group priority:c9..... Set MIU1 group priority:c9..... Set MIU0 group priority:c9..... Set MIU1 group priority:c9..... Change MIU0 select..... Group0:d80 Group1:88 Group2:200 Group3:f1 Change MIU1 select..... Group0:4200 Group1:e00 Group2:30 Group3:4000 Hit any key to stop autoboot: 0 0x00020000-0x0f420000 : "mtd=1" UBI error: ubi_read_volume_table: the layout volume was not found UBI error: ubi_init: cannot attach mtd0UBI error: ubi_init: UBI error: cannot initialize UBI, error -22UBI init error -22Error, no UBI device/partition selected! ## Booting image at 81000000 ... Bad Magic Number<< MStar >># （打印到此后，无任何信息） 可能原因：系统程序不完整，重新升级软件 10、打印信息内容： insmod: can't read '/vendor/t3/modules/wireless/8712u.ko': No such file or directory insmod: can't read '/vendor/t3/modules/wireless/8192cu.ko': No such file or directory /etc/init.d/rcS: line 93: t3_load_wireless_dongle_modules_b43.sh: not found /etc/init.d/rcS: line 96: t3_load_sound_modules.sh: not found /upgrade/upgrade_daemon: error while loading shared libraries: libmadp.so: cannot open shared object file: No such file or directory /upgrade/test_scan_ip: error while loading shared libraries: libmadp.so: cannot open shared object file: No such file or directorystarting pid 397, tty '': '/bin/echo /bin/Xjys > /proc/sys/kernel/hotplug'Please press Enter to activate this console. & （打印到此后，无任何信息） 可能原因：系统程序不完整，重新升级软件 11、MST6M48方案机芯打印信息内容： s8SN0(FFFF) s8SN1(FFFF) should go to standby!!!!! msAPI_Power_PowerDown_EXEC() Wait for PM51 standby........... PM51 run ok........... MailBox: MDrv_PM_SetDbgLevel...! power down 可能原因：待机状态 12、无图故障打印信息内容： [SYS][000166] MDrv_SYS_SetPanelInfo MDrv_Ursa_CpuWait Error!!!（明显是20通信出问题了） MDrv_Ursa_IICUseBus!!! !!NYI[porting/OBA2/p_drvpower.c]MDrv_Power_SetModeIRQThread_34set env language---------22--MDrv_PWM_DutyCycle(2, 0x000007D0) MDrv_Ursa_CpuWait Error!!! MDrv_Ursa_CpuWait Error!!! MDrv_Ursa_CpuWait Error!!!!!! UrsaBus WriteBytesError MDrv_Ursa_IICUseBus!!!read write fail---a0 可能原因：MST6M20芯片I2C总线问题，查看其周围容阻，代换芯片。 |
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