Date: Tue, 28 Apr 2026 15:37:14 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Lexi Winter <ivy@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: ba94d7574972 - main - stand/common/load_elf: Do kernel module relocations for PPC Message-ID: <CAJ-VmokdH0Fx86CsiV-ViraRuqqJuj-k8oZtuJ0S_vvc7NF3NQ@mail.gmail.com> In-Reply-To: <CAJ-VmonmAUxXADzokmGv_GNB-TRMTcojKu2ijfhm66m_VOc-OA@mail.gmail.com> References: <69e37435.3b47e.5048e12@gitrepo.freebsd.org> <CAJ-VmokRSEkWL9rdXS5iNWOes_nvCyWymdwbipasFiF03_z4nA@mail.gmail.com> <CAJ-VmonmAUxXADzokmGv_GNB-TRMTcojKu2ijfhm66m_VOc-OA@mail.gmail.com>
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On Tue, 28 Apr 2026 at 14:54, Adrian Chadd <adrian@freebsd.org> wrote: > > On Tue, 28 Apr 2026 at 14:45, Adrian Chadd <adrian@freebsd.org> wrote: > > > > hi, > > > > This somehow breaks booting in pseries VMs in virtualised ppc64 on > > qemu, both ppc64be and ppc64le. > > The loader gets through a bunch of kernel loading and then hangs > > before it jumps into the kernel. > > > > I've committed some remote gdb sins to figure out where the CPU is in the loader > binary, and it looks like it's in load_elf.c : elf64_reloc_ptr . Nope, the problem is mine - it's actually not hanging, it's now just doing a /lot/ of work to relocate things before the system boots, so a fully virtualised ppc64 CPU takes ~ 40 seconds to run through the relocation list. Ouch. -adrianhome | help
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