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From: Janneke Nieuwenhuizen <janneke@gnu.org> In-Reply-To: <877c9hzsjy.fsf@inria.fr> ("Ludovic =?UTF-8?Q?Court=C3=A8s?="'s message of "Tue, 05 Nov 2024 15:03:29 +0100") Organization: AvatarAcademy.nl References: <87o74u5hcy.fsf@inria.fr> <87a5ge5d94.fsf@gnu.org> <87h68snkzk.fsf@gnu.org> <874j4n5s02.fsf@inria.fr> <87ed3phqfm.fsf@gnu.org> <877c9hzsjy.fsf@inria.fr> X-Url: http://AvatarAcademy.nl Date: Fri, 06 Dec 2024 19:49:52 +0100 Message-ID: <878qssbq9b.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix <bug-guix.gnu.org> List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-guix>, <mailto:bug-guix-request@gnu.org?subject=unsubscribe> List-Archive: <https://lists.gnu.org/archive/html/bug-guix> List-Post: <mailto:bug-guix@gnu.org> List-Help: <mailto:bug-guix-request@gnu.org?subject=help> List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-guix>, <mailto:bug-guix-request@gnu.org?subject=subscribe> Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: bug-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Queue-Id: 73F1778D28 X-Migadu-Scanner: mx13.migadu.com X-Migadu-Spam-Score: -4.04 X-Spam-Score: -4.04 X-TUID: glT8E+BDTXhX --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Ludovic Court=C3=A8s writes: Hello! > <janneke@gnu.org> skribis: > >> Anyway, using this patch 0001 it seems that suppressing the warnings >> works, I no longer get >> >> "GC Warning: Repeated allocation of very large block (appr. size 112 >> KiB):\n\tMay lead to memory leak and poor performance\n" >> >> >> but still get >> >> unexpected build daemon error: stoi > > Damnit. Could you check with rpctrace what the daemon receives? > > I wonder if I misunderstood what the root cause is. TL;DR: Found it, attached is a patch to fix it. Today I spent some time looking into this again, instrumented both daemons with the attached patch for local-store.cc; a "guix copy root@childhurd hello" gives: host: --8<---------------cut here---------------start------------->8--- accepted connection from pid 21474, user janneke 00 nondigit: ` ' [32] 01 read until now: >>>0<<< 00 nondigit: `:' [58] 01 read until now: >>>430<<< --8<---------------cut here---------------end--------------->8--- childhurd: --8<---------------cut here---------------start------------->8--- 5 operations 00 nondigit: `G' [71] 01 read until now: >>><<< 02 nondigit: `G' [71] 03 nondigit: >>>GC Warning: Repeated allocation of very large block (appr. = size 112 KiB):<<< 0 operations --8<---------------cut here---------------end--------------->8--- ...you already knew that from the rpctrace log. So, the problem is that our patch doesrn't disable the warnings after all. The guile-launcher has guile-launcher.c: --8<---------------cut here---------------start------------->8--- #if defined __GNU__ /* XXX: On 32-bit GNU/Hurd (i586-gnu), libgc emits "Repeated allocation" warnings that are annoying and interfere with communications between 'guix-daemon' and 'guix authenticate': <https://issues.guix.gnu.org/73181>. Silence them. */ std::cerr << "silencing libgc warnings" << std::endl; GC_set_warn_proc (no_warnings); #endif .. scm_boot_guile (argc, argv, inner_main, 0); --8<---------------cut here---------------end--------------->8--- and then guile's gc.c just undoes that init.c: --8<---------------cut here---------------start------------->8--- scm_i_init_guile (void *base) { .. scm_init_gc (); /* Requires hooks and `get_internal_run_time' */ --8<---------------cut here---------------end--------------->8--- gc.c: --8<---------------cut here---------------start------------->8--- void scm_init_gc () { .. GC_set_warn_proc (scm_gc_warn_proc); --8<---------------cut here---------------end--------------->8--- Doh' So, attached is also a patch for Guix (that I made for Guile) that fixed offloading again for me. Weirdly, I had to use (overload-threshold #f) because my childhurd never falls below 1.0: --8<---------------cut here---------------start------------->8--- root@guixygnu ~# uptime 7:45:28 PM up 35 minutes, 0 users, load averages: 1.00, 1.01, 1.00 --8<---------------cut here---------------end--------------->8--- --8<---------------cut here---------------start------------->8--- 19:25:48 janneke@glimdal:~/src/guix/hurd-team $ ./pre-inst-env guix build --system=3Di586-gnu -e '(@@ (gnu packages comme= ncement) gnu-make-boot0)' --with-configure-flag=3Dmake-boot0=3Dfoo=3Dbar The following derivation will be built: /gnu/store/cp1fy0ig5p8d72vnz1vybw2cilii5g88-make-boot0-4.4.1.drv process 4454 acquired build slot '/var/guix/offload/localhost:11022/0' normalized load on machine 'localhost' is 1.00 building /gnu/store/cp1fy0ig5p8d72vnz1vybw2cilii5g88-make-boot0-4.4.1.drv... guix offload: sending 41 store items (259 MiB) to 'localhost'... [..] @ build-started /gnu/store/cp1fy0ig5p8d72vnz1vybw2cilii5g88-make-boot0-4.4.= 1.drv - i586-gnu /var/log/guix/drvs/cp//1fy0ig5p8d72vnz1vybw2cilii5g88-make= -boot0-4.4.1.drv.gz 360 [..] @ build-succeeded /gnu/store/cp1fy0ig5p8d72vnz1vybw2cilii5g88-make-boot0-4.= 4.1.drv - retrieving 1 store item from 'localhost'... importing file or directory '/gnu/store/j83d3mzcjw83lcbvyd8hrs6i6ymdqbmc-ma= ke-boot0-4.4.1'... found valid signature for '/gnu/store/j83d3mzcjw83lcbvyd8hrs6i6ymdqbmc-make= -boot0-4.4.1' registering 1 items done with offloaded '/gnu/store/cp1fy0ig5p8d72vnz1vybw2cilii5g88-make-boot0= -4.4.1.drv' successfully built /gnu/store/cp1fy0ig5p8d72vnz1vybw2cilii5g88-make-boot0-4= .4.1.drv /gnu/store/j83d3mzcjw83lcbvyd8hrs6i6ymdqbmc-make-boot0-4.4.1 --8<---------------cut here---------------end--------------->8--- WDYT? Greetings, Janneke --=-=-= Content-Type: text/x-patch Content-Disposition: inline; filename=0001-REMOVEME-stoi-add-some-debugging.patch >From 9695d17df1538460aad11500f56071500d9e4c80 Mon Sep 17 00:00:00 2001 Message-ID: <9695d17df1538460aad11500f56071500d9e4c80.1733510219.git.janneke@gnu.org> From: Janneke Nieuwenhuizen <janneke@gnu.org> Date: Mon, 18 Nov 2024 00:16:56 +0100 Subject: [PATCH] REMOVEME: stoi: add some debugging. Change-Id: I114025c43cd2404a00dc65af7def06a312a31ca3 --- nix/libstore/local-store.cc | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/nix/libstore/local-store.cc b/nix/libstore/local-store.cc index 0883a4bbce..e98bf04392 100644 --- a/nix/libstore/local-store.cc +++ b/nix/libstore/local-store.cc @@ -1164,9 +1164,9 @@ static std::shared_ptr<Agent> authenticationAgent() static int readInteger(int fd) { string str; + char ch; while (1) { - char ch; ssize_t rd = read(fd, &ch, 1); if (rd == -1) { if (errno != EINTR) @@ -1177,11 +1177,20 @@ static int readInteger(int fd) if (isdigit(ch)) { str += ch; } else { - break; + std::cerr << "00 nondigit: `" << ch << "' [" << (int) ch << "]" << std::endl; + std::cerr << "01 read until now: >>>" << str << "<<<" << std::endl; + break; } } } + if (str.empty()) { + std::cerr << "02 nondigit: `" << ch << "' [" << (int) ch << "]" << std::endl; + str += ch; + str += readLine(fd); + std::cerr << "03 nondigit: >>>" << str << "<<<" << std::endl; + throw EndOfFile("unexpected non-digit reading an integer"); + } return stoi(str); } base-commit: 889c396cc5fd948d2c874c2d4a51115f82591964 -- 2.46.0 --=-=-= Content-Type: text/x-patch; charset=utf-8 Content-Disposition: inline; filename=0001-gnu-guile-3.0-Silence-GC-warnings-on-the-Hurd.patch Content-Transfer-Encoding: quoted-printable >From c555134310728360cb3b12472e8d487421d57a7d Mon Sep 17 00:00:00 2001 Message-ID: <c555134310728360cb3b12472e8d487421d57a7d.1733509997.git.jannek= e@gnu.org> From: Janneke Nieuwenhuizen <janneke@gnu.org> Date: Fri, 6 Dec 2024 16:25:54 +0100 Subject: [PATCH] gnu: guile-3.0: Silence GC warnings on the Hurd. * gnu/packages/patches/guile-hurd-silence-gc-warnings.patch: New file. * gnu/local.mk (dist_patch_DATA): Register it. * gnu/packages/guile.scm (guile-3.0): When building for the Hurd, use it in new stage "patch-silence-gc-warnings". Change-Id: I48f2641a162c3fab15655293e10c4aa2200d5843 --- gnu/local.mk | 1 + gnu/packages/guile.scm | 11 ++++ .../guile-hurd-silence-gc-warnings.patch | 58 +++++++++++++++++++ 3 files changed, 70 insertions(+) create mode 100644 gnu/packages/patches/guile-hurd-silence-gc-warnings.pat= ch diff --git a/gnu/local.mk b/gnu/local.mk index a7bd32453b..d848ceddc4 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -1520,6 +1520,7 @@ dist_patch_DATA =3D \ %D%/packages/patches/guile-fix-invalid-unicode-handling.patch \ %D%/packages/patches/guile-gdbm-ffi-support-gdbm-1.14.patch \ %D%/packages/patches/guile-hurd-posix-spawn.patch \ + %D%/packages/patches/guile-hurd-silence-gc-warnings.patch \ %D%/packages/patches/guile-lzlib-hurd64.patch \ %D%/packages/patches/guile-present-coding.patch \ %D%/packages/patches/guile-rsvg-pkgconfig.patch \ diff --git a/gnu/packages/guile.scm b/gnu/packages/guile.scm index 69dff9211f..41fbd895ed 100644 --- a/gnu/packages/guile.scm +++ b/gnu/packages/guile.scm @@ -413,6 +413,17 @@ (define-public guile-3.0 (search-patch "guile-hurd-posix-spawn.patch= "))) (invoke "patch" "--force" "-p1" "-i" patch)))) #~()) + #$@(if (target-hurd?) + #~((add-before 'build 'patch-silence-gc-warnings + (lambda _ + ;; TODO: Move patch to 'source' on next rebuild + ;; cycle. + (define patch + #$(local-file + (search-patch + "guile-hurd-silence-gc-warnings.patch"))) + (invoke "patch" "--force" "-p1" "-i" patch)))) + #~()) #$@(if (system-hurd?) #~((add-after 'unpack 'disable-popen.test-no-duplicate ;; This test hangs on the Hurd. diff --git a/gnu/packages/patches/guile-hurd-silence-gc-warnings.patch b/gn= u/packages/patches/guile-hurd-silence-gc-warnings.patch new file mode 100644 index 0000000000..a006d93361 --- /dev/null +++ b/gnu/packages/patches/guile-hurd-silence-gc-warnings.patch @@ -0,0 +1,58 @@ +From 1256fb0925c5ff7c94249f53e0fb47d1ec280b3f Mon Sep 17 00:00:00 2001 +From: Janneke Nieuwenhuizen <janneke@gnu.org> +Date: Fri, 6 Dec 2024 16:18:13 +0100 +Subject: [PATCH] Silence GC warnings on the Hurd. +MIME-Version: 1.0 +Content-Type: text/plain; charset=3DUTF-8 +Content-Transfer-Encoding: 8bit + +On 32-bit GNU/Hurd (i586-gnu), libgc emits "Repeated allocation" +warnings that are annoying and interfere with communications between +'guix-daemon' and 'guix authenticate': +<https://issues.guix.gnu.org/73181>. + +* libguile/gc.c (scm_gc_no_warnings)[__GNU__]: New procedure. +(scm_init_gc)[__GNU__]: Use it to silence GC warnings. + +Co-authored-by: Ludovic Court=C3=A8s <ludo@gnu.org> +--- + libguile/gc.c | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + +diff --git a/libguile/gc.c b/libguile/gc.c +index 3cbe43ec5..1ea4abcf8 100644 +--- a/libguile/gc.c ++++ b/libguile/gc.c +@@ -84,6 +84,13 @@ int scm_debug_cells_gc_interval =3D 0; + garbage collection. */ + static SCM scm_protects; +=20 ++#if defined __GNU__ ++#include <gc.h> ++static void ++scm_gc_no_warnings (char *message, GC_word arg) ++{ ++} ++#endif +=20 + +=20 +@@ -616,7 +623,15 @@ scm_init_gc () + scm_c_hook_add (&scm_after_gc_c_hook, accumulate_gc_timer, NULL, 0); +=20 + GC_set_oom_fn (scm_oom_fn); ++#if __GNU__ ++ /* XXX: On 32-bit GNU/Hurd (i586-gnu), libgc emits "Repeated allocation" ++ warnings that are annoying and interfere with communications between ++ 'guix-daemon' and 'guix authenticate': ++ <https://issues.guix.gnu.org/73181>. Silence them. */ ++ GC_set_warn_proc (scm_gc_no_warnings); ++#else + GC_set_warn_proc (scm_gc_warn_proc); ++#endif + GC_set_start_callback (run_before_gc_c_hook); +=20 + #include "gc.x" +--=20 +2.46.0 + base-commit: 84fa76db424df8962ee21315ffd680c083edbf00 --=20 2.46.0 --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable --=20 Janneke Nieuwenhuizen <janneke@gnu.org> | GNU LilyPond https://LilyPond.org Freelance IT https://www.JoyOfSource.com | Avatar=C2=AE https://AvatarAcade= my.com --=-=-=--