ljmf00 added a comment. In D117928#3263992 <https://reviews.llvm.org/D117928#3263992>, @mgorny wrote:
> Thank you. Yes, please test on an older kernel, in case it's specifically a > kernel regression. I can confirm regression on Linux LTS 5.10.93. Probably later and introduced by the patch I mentioned. I reported to the kernel bug tracker. See https://bugzilla.kernel.org/show_bug.cgi?id=215524 . In D117928#3264795 <https://reviews.llvm.org/D117928#3264795>, @labath wrote: > If this is a problem with PTRACE_SETREGSET(NT_FPREGSET), then we might be > able to work around it by using PTRACE_POKEUSER instead. But it'd definitely > be good to confirm this, so that we can report the bug to kernel devs. According to `ptrace` documentation `PTRACE_SETFPREGS` seems a better fit, although either this and `PTRACE_POKEUSER` disallow writing in some specific general-purpose registers, so we should only use this for FP/XMM registers? AFAIK BSD-based kernels implements `PT_SETXMMREGS` although I don't see any documentation on the Linux kernel side about this. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D117928/new/ https://reviews.llvm.org/D117928 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
