https://forum.endeavouros.com/t/failed-to-start-load-kernel-modules-on-boot-after-system-update-nvidia/30584/17?u=sradjoker On 8/24/22, Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx> wrote: > Em Wed, Aug 24, 2022 at 04:36:18PM +0200, Luna Jernberg escreveu: >> The Nvidia driver breaks > > How? What are the messages? > > Here is a test on an Archlinux container: > > [perfbuilder@758097c04011 dwarves-1.24]$ pahole --version > v1.24 > [perfbuilder@758097c04011 dwarves-1.24]$ cat /etc/os-release > NAME="Arch Linux" > PRETTY_NAME="Arch Linux" > ID=arch > BUILD_ID=rolling > VERSION_ID=TEMPLATE_VERSION_ID > ANSI_COLOR="38;2;23;147;209" > HOME_URL="https://archlinux.org/" > DOCUMENTATION_URL="https://wiki.archlinux.org/" > SUPPORT_URL="https://bbs.archlinux.org/" > BUG_REPORT_URL="https://bugs.archlinux.org/" > LOGO=archlinux-logo > [perfbuilder@758097c04011 dwarves-1.24]$ pahole list_head > struct list_head { > struct list_head * next; /* 0 8 */ > struct list_head * prev; /* 8 8 */ > > /* size: 16, cachelines: 1, members: 2 */ > /* last cacheline: 16 bytes */ > }; > [perfbuilder@758097c04011 dwarves-1.24]$ pahole --sizes | sort -k2 -nr | > head > rcu_state 300608 7 > cmp_data 290904 1 > dec_data 274520 1 > cpu_entry_area 241664 0 > kvm 190016 6 > pglist_data 173440 6 > ZSTD_DCtx_s 161480 6 > saved_cmdlines_buffer 131104 1 > debug_store_buffers 131072 0 > hid_parser 110848 1 > [perfbuilder@758097c04011 dwarves-1.24]$ > >> On 8/24/22, Arnaldo Carvalho de Melo <arnaldo.melo@xxxxxxxxx> wrote: >> > Em Wed, Aug 24, 2022 at 03:23:29PM +0200, Luna Jernberg escreveu: >> >> This package breaks on Arch Linux at the moment and if you are using >> >> Arch >> >> its recommended that you downgrade to 1.23 >> > >> > Breaks in what sense? Can you please provide details? >> > >> > - Arnaldo >> > >> >> On Tue, Aug 23, 2022 at 1:59 AM Arnaldo Carvalho de Melo >> >> <acme@xxxxxxxxxx> >> >> wrote: >> >> >> >> > Hi, >> >> > >> >> > The v1.24 release of pahole and its friends is out, with >> >> > faster >> >> > BTF generation by parallelizing the encoding part in addition to the >> >> > previoulsy parallelized DWARF loading, support for 64-bit BTF >> >> > enumeration >> >> > entries, signed BTF encoding of 'char', exclude/select DWARF loading >> >> > based on the language that generated the objects, etc. >> >> > >> >> > Main git repo: >> >> > >> >> > git://git.kernel.org/pub/scm/devel/pahole/pahole.git >> >> > >> >> > Mirror git repo: >> >> > >> >> > https://github.com/acmel/dwarves.git >> >> > >> >> > tarball + gpg signature: >> >> > >> >> > https://fedorapeople.org/~acme/dwarves/dwarves-1.24.tar.xz >> >> > https://fedorapeople.org/~acme/dwarves/dwarves-1.24.tar.bz2 >> >> > https://fedorapeople.org/~acme/dwarves/dwarves-1.24.tar.sign >> >> > >> >> > Thanks a lot to all the contributors and distro packagers, >> >> > you're >> >> > on the >> >> > CC list, I appreciate a lot the work you put into these tools, >> >> > >> >> > Best Regards, >> >> > >> >> > BTF encoder: >> >> > >> >> > - Add support to BTF_KIND_ENUM64 to represent enumeration entries >> >> > with >> >> > more than 32 bits. >> >> > >> >> > - Support multithreaded encoding, in addition to DWARF multithreaded >> >> > loading, speeding up the process. >> >> > >> >> > Selected just like DWARF multithreaded loading, using the 'pahole >> >> > -j' >> >> > option. >> >> > >> >> > - Encode 'char' type as signed. >> >> > >> >> > BTF Loader: >> >> > >> >> > - Add support to BTF_KIND_ENUM64. >> >> > >> >> > pahole: >> >> > >> >> > - Introduce --lang and --lang_exclude to specify the language the >> >> > DWARF compile units were originated from to use or filter. >> >> > >> >> > Use case is to exclude Rust compile units while aspects of the >> >> > DWARF generated for it get sorted out in a way that the kernel >> >> > BPF verifier don't refuse loading the BTF generated from them. >> >> > >> >> > - Introduce --compile to generate compilable code in a similar >> >> > fashion >> >> > to: >> >> > >> >> > bpftool btf dump file vmlinux format c > vmlinux.h >> >> > >> >> > As with 'bpftool', this will notice type shadowing, i.e. multiple >> >> > types >> >> > with the same name and will disambiguate by adding a suffix. >> >> > >> >> > - Don't segfault when processing bogus files. >> >> > >> > >> > -- >> > >> > - Arnaldo >> > > > -- > > - Arnaldo >