Your message dated Sat, 30 Dec 2023 18:35:02 +0000
with message-id <e1rjeao-00cy5w...@fasolo.debian.org>
and subject line Bug#1058743: fixed in libuv1 1.46.0-3
has caused the Debian Bug report #1058743,
regarding libuv1: FTBFS on s390x on older kernels
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1058743: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1058743
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: libuv1
Severity: serious
Tags: patch ftbfs
Justification: fails to build from source (but built successfully in the past)
User: ubuntu-de...@lists.ubuntu.com
Usertags: origin-ubuntu noble ubuntu-patch
X-Debbugs-Cc: scho...@ubuntu.com
Hi!
If the buildd is using an older kernel version, such as 5.4 as is the
case in the Ubuntu s390x builders, the build fails on the following
tests:
not ok 147 - idle_starvation
not ok 366 - timer_from_check
In Ubuntu, the attached patch was applied to fix it.
-- System Information:
Debian Release: trixie/sid
APT prefers mantic-updates
APT policy: (500, 'mantic-updates'), (500, 'mantic-security'), (500, 'mantic')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 6.5.0-14-generic (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_USER, TAINT_OOT_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
diff -Nru
libuv1-1.46.0/debian/patches/lp2046442-linux-don-t-use-io_uring-on-pre-5.10.186-kernels-409.patch
libuv1-1.46.0/debian/patches/lp2046442-linux-don-t-use-io_uring-on-pre-5.10.186-kernels-409.patch
---
libuv1-1.46.0/debian/patches/lp2046442-linux-don-t-use-io_uring-on-pre-5.10.186-kernels-409.patch
1970-01-01 01:00:00.000000000 +0100
+++
libuv1-1.46.0/debian/patches/lp2046442-linux-don-t-use-io_uring-on-pre-5.10.186-kernels-409.patch
2023-12-15 12:44:07.000000000 +0100
@@ -0,0 +1,39 @@
+From 50b53cbd0db8d4e7be06939a0976ff520e791d31 Mon Sep 17 00:00:00 2001
+From: Ben Noordhuis <i...@bnoordhuis.nl>
+Date: Wed, 12 Jul 2023 23:33:49 +0200
+Subject: [PATCH] linux: don't use io_uring on pre-5.10.186 kernels (#4093)
+
+Those kernels have a known resource consumption bug where the sqpoll
+thread busy-loops.
+
+Fixes: https://github.com/libuv/libuv/issues/4089
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/libuv1/+bug/2046442
+Origin: upstream,
https://github.com/libuv/libuv/commit/50b53cbd0db8d4e7be06939a0976ff520e791d31
+Applied-Upstream: v1.47.0
+---
+ src/unix/linux.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/src/unix/linux.c b/src/unix/linux.c
+index 28803225..65fb847f 100644
+--- a/src/unix/linux.c
++++ b/src/unix/linux.c
+@@ -431,8 +431,14 @@ static int uv__use_io_uring(void) {
+ use = atomic_load_explicit(&use_io_uring, memory_order_relaxed);
+
+ if (use == 0) {
++ /* Older kernels have a bug where the sqpoll thread uses 100% CPU. */
++ use = uv__kernel_version() >= /* 5.10.186 */ 0x050ABA ? 1 : -1;
++
++ /* But users can still enable it if they so desire. */
+ val = getenv("UV_USE_IO_URING");
+- use = val == NULL || atoi(val) ? 1 : -1;
++ if (val != NULL)
++ use = atoi(val) ? 1 : -1;
++
+ atomic_store_explicit(&use_io_uring, use, memory_order_relaxed);
+ }
+
+--
+2.40.1
+
diff -Nru libuv1-1.46.0/debian/patches/series
libuv1-1.46.0/debian/patches/series
--- libuv1-1.46.0/debian/patches/series 2023-10-15 16:37:48.000000000 +0200
+++ libuv1-1.46.0/debian/patches/series 2023-12-15 12:43:14.000000000 +0100
@@ -3,3 +3,4 @@
disable_ipv6_test.patch
path_max_zero_st_size
skip-multicast-test
+lp2046442-linux-don-t-use-io_uring-on-pre-5.10.186-kernels-409.patch
--- End Message ---
--- Begin Message ---
Source: libuv1
Source-Version: 1.46.0-3
Done: Dominique Dumont <d...@debian.org>
We believe that the bug you reported is fixed in the latest version of
libuv1, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 1058...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Dominique Dumont <d...@debian.org> (supplier of updated libuv1 package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmas...@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sat, 30 Dec 2023 18:32:28 +0100
Source: libuv1
Architecture: source
Version: 1.46.0-3
Distribution: unstable
Urgency: medium
Maintainer: Dominique Dumont <d...@debian.org>
Changed-By: Dominique Dumont <d...@debian.org>
Closes: 1058743
Changes:
libuv1 (1.46.0-3) unstable; urgency=medium
.
* add patch to fix build on kernel < 5.10.186.
Thanks to Simon Choppin and Ubuntu fot the patch (Closes: 1058743)
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