----- Original Message ----- > Hello Dave, > > I'm trying to use crash configured with PPC on linux-2.6.27 powerpc. > And when crash started with /dev/mem, I found some problems and fixed them. > > I'm afraid that PPC32 is now not maintained for long time, most people use PPC64 only? > I don't know true reason but if possible, please check attached patch set. Correct -- there is no "PPC architecture maintainer" w/respect to the crash utility, and there have been very few architecture-specific patches for 32-bit ppc in recent years. > > Report of problems which I met as below: > [problem 1] Display type mismatch WARNING > WARNING: machine type mismatch: > crash utility: PPC > vmlinux: (unknown) > -> Simply lacking of verification, remove WARNING with 0001 > > [problem 2] Display vmalloc fault WARNING > WARNING: cannot access vmalloc'd module memory > -> PTE index was wrong, fix with 0002 > > [problem 3] Repeat "invalid task address in pid_hash:" 500 times > crash: invalid task address in pid_hash: c8818450 > -> Alignment check was too old, fix with 0003 > > [problem 4] bt command is always SEGV while accessing stack frame > -> Similar to problem 3, fix with 0004 OK, good -- these 4 patches are queued for crash-6.0.0. > I continue to test the basic command regressions or > update PPC implementation by learning from PPC64. Great! I now designate you as the PPC maintainer! Thanks, Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility