Van: Ronald Klop <[email protected]>
Datum: donderdag, 11 september 2025 11:33
Aan: "Dan Mahoney (Ports)" <[email protected]>
CC: FreeBSD Mailing List <[email protected]>
Onderwerp: Re: Okay, how much ram does it take to build Rust?
Hi,
My poudriere builds rust on a Raspberry PI with 8 GB RAM which is doing all
kinds of other stuff like running Jenkins in the meantime. So I doubt your RAM
is the issue.
I once helped somebody with out-of-memory problems and that person had set
MAX_MEMORY in poudriere.conf to a really low value for testing purposes and
than forgot about it.
What would help is if you post a link to the full build log as at the start of
the log it prints all kinds of information about your memory settings.
Regards,
Ronald.
Van: "Dan Mahoney (Ports)" <[email protected]>
Datum: donderdag, 11 september 2025 09:42
Aan: FreeBSD Mailing List <[email protected]>
Onderwerp: Okay, how much ram does it take to build Rust?
Hey there folks,
I've got poudriere running on a recently-16-ified VM with 8 cores and 48G ram
(up from 32), and to eat the dogfood I'm attempting to build all my own
packages.
lang/rust is a big one. It pontificates for about two hours, then dies with:
[ 45% 1690/3710] Building RISCVGenExegesis.inc...
[ 45% 1691/3710] Building RISCVGenGlobalISel.inc...
FAILED: [code=262] lib/Target/RISCV/RISCVGenGlobalISel.inc
/wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/build/lib/Target/RISCV/RISCVGenGlobalISel.inc
cd /wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/build
&&
/wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/build/bin/llvm-tblgen
-gen-global-isel -I
/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/lib/Target/RISCV
-I/wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/build/include
-I/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/include -I
/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/lib/Target
-no-warn-on-unused-template-args
/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/lib/Target/RISCV/RISCVGISel.td
--write-if-changed -o lib/Target/RISCV/RISCVGenGlobalISel.inc -d
lib/Target/RISCV/RISCVGenGlobalISel.inc.d
LLVM ERROR: out of memory
Allocation failed
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and
include the crash backtrace.
Stack dump:
0. Program arguments:
/wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/build/bin/llvm-tblgen
-gen-global-isel -I
/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/lib/Target/RISCV
-I/wrkdirs/usr/ports/lang/rust/work/_build/x86_64-unknown-freebsd/llvm/build/include
-I/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/include
-I
/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/lib/Target
-no-warn-on-unused-template-args
/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/src/llvm-project/llvm/lib/Target/RISCV/RISCVGISel.td
--write-if-changed -o lib/Target/RISCV/RISCVGenGlobalISel.inc -d
lib/Target/RISCV/RISCVGenGlobalISel.inc.d
ninja: build stopped: subcommand failed.
thread 'main' panicked at
/wrkdirs/usr/ports/lang/rust/work/rustc-1.89.0-src/vendor/cmake-0.1.54/src/lib.rs:1119:5:
command did not execute successfully, got: exit status: 6
build script failed, must exit now
stack backtrace:
0: __rustc::rust_begin_unwind
1: core::panicking::panic_fmt
2: cmake::fail
Full logs here:
https://poudriere-src.isc.org/data/freebsd:16:x86:64-pkgbase-default_git/2025-09-11_04h17m42s/logs/rust-1.89.0.log
Is this actually likely an LLVM bug, or is 48G of ram not enough (it barely
climbed at all for most of the files). Note that I'm not doing anything
multi-threaded with Poudriere, this is single CPU bound.
-Dan
Oh, I just noticed that you did post a link to the build log. Sorry.
Take a look at
virtual mem size (kbytes, -v) 2097152
My builds have this:
[00:00:00] virtual mem size (kbytes, -v) unlimited
Regards and happy hacking,
Ronald.
