[linuxkernelnewbies] 如何分析oops 呢 ？ 望大家指教 - China Linux Forum

[Peter Teoh]

http://www.linuxforum.net/forum/showflat.php?Cat=&Board=linuxK&Number=697990&page=0&view=collapsed&sb=5&o=7&fpart= 以前见到oops都是 用printk 去调试， 这次看来不行。 看到一堆汇编有点晕。 我的cpu是 mips的。 还望熟悉oops 调试信息的朋友指教， 如何 定位到 具体的c 代码呢？ 我当前调试的AXFS 文件系统， 当把几乎所有的可执行文件和库 设置成XIP后 ，系统 就oops 了。 找到了几篇文章 ，似乎不能解决我的问题：我的oops信息 怎么连一个函数名称都没有啊。 href=""> net/bbs/archiver/?tid-1008573.html href=""> p://topic.csdn.net/u/20080709/22/df880b59-c6ba-4cc1-9928-7902da46e115.html href=""> 烦请 做过的给出点详细步骤 ， 谢谢了。 basic setup 4 basic setup end FLASH PHYSADDR = 0x1c000000 axfs: checking physical address 0x1c000000 for axfs image sbi->phys_start_addr = 469762048 axfs: start axfs_do_fill_super into axfs_do_fill_super sbo->magic = 0x48a0e4cd AXFS_MAGIC = 0x48a0e4cd axfs: doned axfs_do_fill_super axfs: axfs image appears to be 20400 KB in size axfs: doned axfs_check_super sb's blocksize = 0 profile_data = c4018000 num_nodes = 7514 num_inodes = 1220 here , just init_profile_dir_structure() ret of init_profile_dir_structure() = 0 ret of axfs_register_profiling_proc() = 0 ret of init_axfs_profiling() = 1 VFS: Mounted root (axfs filesystem) readonly. Freeing unused kernel memory: 96k freed Unable to handle kernel paging request at virtual address 000000a0, epc == 800d0f38, ra == 8013b674 Oops in fault.c::do_page_fault, line 205: $0 : 00000000 10008400 000003bc 0003c350 820ebcf0 82a591cc 00000000 00001000 $8 : 00000000 00000000 800d0f00 000004a8 c4014000 00000080 820ebcf0 c4012000 $16: 00001000 00000000 00000000 820ebcf0 0000000c 80247260 802c4120 0000000b $24: 00000000 00000080 820ea000 820ebc98 820ebd50 8013b674 Hi : 00000000 Lo : 00000080 epc : 800d0f38 Not tainted Status: 10008403 Cause : 00800008 PrId : 0001906c Process swapper (pid: 1, stackpage=820ea000) Stack: 8013b674 00000000 820bc7a0 820ebd48 820bc820 80247260 00000000 00000080 00000000 000001f2 00000080 00000000 820ebd88 820ebd50 c4012000 8013b78c 820bc820 00000000 00000000 8026f984 820ebcf0 800d0f00 00000000 00000080 820ebd88 00000000 80137d80 ffffffe9 800e0a84 80265278 80247260 80265250 00000000 80265278 802c4120 80265250 820ebef8 00000008 00000004 00000014 ... Call Trace: [<8013b674>] [<8013b78c>] [<800d0f00>] [<80137d80>] [<800e0a84>] [<800ed2d8>] [<8015e7a4>] [<800edaa0>] [<800ee0d8>] [<800a67b8>] [<800af0ac>] [<800f5d88>] [<800af6c4>] [<800af6c4>] [<8021a4f4>] [<800b930c>] [<8021a4f4>] [<800b91b8>] [<8021c8d3>] [<800e0658>] [<800a67b8>] [<800a67e4>] [<800a67b8>] [<800a68b0>] [<8021a4a8>] [<800a9694>] [<800b738c>] [<800b91b8>] [<800a9684>] Code: 3c088027 01024021 8d08ebfc <8d0700a0> 8dc40008 01a03021 00a73823 00071140 00471023 Kernel panic: Attempted to kill init!