Rachita Kothiyal wrote: > Hi Dave > > I was running crash to analyse a vmcore generated by a 2.6.18-rc4 kernel. Even though 'struct user_regs_struct' is defined in the kernel, STRUCT_SIZE_INIT() gets a -1 for it (reflects in help -o). Of what I understand, when we call STRUCT_SIZE_INIT, crash calls gdb and sends a request to look up the symbol table for this structure's entry, which gdb is not able to find. Hence returns a -1. I verified that it was doing this when I ran gdb over crash. > > I dont understand why this is..am I missing something here ? > Could you please suggest some way I could debug this more... > > Thanks > Rachita You're not missing anything -- the vmlinux file is... This has been true AFAICT in all 2.6 x86_64 kernels -- for whatever reason the x86_64 user_regs_struct debug info doesn't get added in. Your guess as to why is as good as mine. In any case, since its layout hasn't ever changed since its inception, it's probably safe to hardwire the offsets if they cannot be determined from the vmlinux file. Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
