Re: [Crash-utility] 答复: 答复: failed to do crash analysis after insert custom module in the first kernel.

Hi Dave: >From the kernel codes, I found the member in my kernel was changed to >module_core_rx in CGL kernel, in crash's codes(6.1.4): kernel.c, there have >the following content: /******************************************************/ case KMOD_V2: MEMBER_OFFSET_INIT(module_num_syms, "module", "num_syms"); MEMBER_OFFSET_INIT(module_list, "module", "list"); MEMBER_OFFSET_INIT(module_gpl_syms, "module", "gpl_syms"); MEMBER_OFFSET_INIT(module_num_gpl_syms, "module", "num_gpl_syms"); MEMBER_OFFSET_INIT(module_module_core, "module", "module_core"); MEMBER_OFFSET_INIT(module_core_size, "module", "core_size"); ......... if (PAX()) { /* * PaX shall populate RX offsets into original ones. * This decision can work out PaX with less impact for * existing routines. * * Since PaX module dose not own text size, * these values should be sharpen by section attributes * while loading them from object file. */ MEMBER_OFFSET_INIT(module_module_core, "module", "module_core_rx"); MEMBER_OFFSET_INIT(module_core_size, "module", // looks this version crash have codes to deal with this member, "core_size_rx"); MEMBER_OFFSET_INIT(module_core_text_size, "module", "core_size_rx"); MEMBER_OFFSET_INIT(module_module_init, "module", "module_init_rx"); MEMBER_OFFSET_INIT(module_init_size, "module", "init_size_rx"); MEMBER_OFFSET_INIT(module_init_text_size, "module", "init_size_rx"); } /******************************************************/ Looks this version crash have codes to deal with this member, but on my side, it did not get into branch, still try to get code_size as module_core_size. If I change codes: /******************************************************/ case KMOD_V2: MEMBER_OFFSET_INIT(module_num_syms, "module", "num_syms"); MEMBER_OFFSET_INIT(module_list, "module", "list"); MEMBER_OFFSET_INIT(module_gpl_syms, "module", "gpl_syms"); MEMBER_OFFSET_INIT(module_num_gpl_syms, "module", "num_gpl_syms"); MEMBER_OFFSET_INIT(module_module_core, "module", "module_core_rx"); MEMBER_OFFSET_INIT(module_core_size, "module", "core_size"); /******************************************************/ The vmcore can be analysed well. If I miss some configuration in cgl kernel to coordinate with crash tool? /****************************************************/ #define PAX() ((THIS_KERNEL_VERSION >= LINUX(2,6,27)) && \ VALID_MEMBER(module_module_core_rx)) /****************************************************/