Received: (at 75590) by debbugs.gnu.org; 28 Feb 2025 22:26:10 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Feb 28 17:26:10 2025 Received: from localhost ([127.0.0.1]:54305 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1to8o5-00060R-I5 for submit <at> debbugs.gnu.org; Fri, 28 Feb 2025 17:26:10 -0500 Received: from defaultvalue.org ([45.33.119.55]:35928) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <rlb@HIDDEN>) id 1to8nz-0005zf-UP for 75590 <at> debbugs.gnu.org; Fri, 28 Feb 2025 17:26:07 -0500 Received: from trouble.defaultvalue.org (localhost [127.0.0.1]) (Authenticated sender: rlb@HIDDEN) by defaultvalue.org (Postfix) with ESMTPSA id 306862036F; Fri, 28 Feb 2025 16:26:02 -0600 (CST) Received: by trouble.defaultvalue.org (Postfix, from userid 1000) id 334C914E341; Fri, 28 Feb 2025 16:26:01 -0600 (CST) From: Rob Browning <rlb@HIDDEN> To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN> Subject: Re: bug#75590: ports.test: "SEEK_DATA while in hole" fails on some hosts In-Reply-To: <87y0xpq0su.fsf@HIDDEN> References: <87y0zc2ddi.fsf@HIDDEN> <CAA2XvwJEa_rYb4Z7r7MrCTJHVX6UMVtjHOF0H4jzui0_usYPdw@HIDDEN> <87zfjmy313.fsf@HIDDEN> <87y0xpq0su.fsf@HIDDEN> Date: Fri, 28 Feb 2025 16:26:01 -0600 Message-ID: <87senxln9i.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 75590 Cc: Mikael Djurfeldt <mikael@HIDDEN>, 75590 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Ludovic Court=C3=A8s <ludo@HIDDEN> writes: > What does =E2=80=98path-fs=E2=80=99 do? How can we adapt it for use in t= he test suite? Oh, right, that's here: https://salsa.debian.org/rlb/deb-guile/-/blob/deb/guile-3.0/d/sid/master/= debian/bin/path-fs?ref_type=3Dheads via https://salsa.debian.org/rlb/deb-guile/-/commit/691c5ab5ca48ce69cce60dabd= 7b53d30cb600dda It just reports the fs type for a given path, which doesn't appear to be (portably) easy. --=20 Rob Browning rlb @defaultvalue.org and @debian.org GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
bug-guile@HIDDEN:bug#75590; Package guile.
Full text available.Received: (at 75590) by debbugs.gnu.org; 28 Feb 2025 20:20:13 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Feb 28 15:20:13 2025 Received: from localhost ([127.0.0.1]:53437 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1to6qD-0006nn-Bz for submit <at> debbugs.gnu.org; Fri, 28 Feb 2025 15:20:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47254) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1to6qA-0006j7-LY for 75590 <at> debbugs.gnu.org; Fri, 28 Feb 2025 15:20:11 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1to6q5-0002h1-0S; Fri, 28 Feb 2025 15:20:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=f5I9FYcF9fpZeEMHIA4yLX78kzlG6gByKuDm83btDU8=; b=i3Ks3/unx9hzH9ErQeUj 2Qe42x/ggZs3bEDIUyLR21xlNtaupWtOzFhKLRvyEJuXr9krAk1b2C1paFbBk58wtv26FJNtJL52l lP2aAsyLbpw+6LrPyZzKM/i/FSgenKOCxVaUQwZ4XwCJ74Yyo39O9TfTu+qZMveBcFj1YAXg5MdGC aEQS9z/4munE+JFY9pa0PLVd/40YnBtcv5o7VVoVE5iEcp7tud4ARuQ9w9IDRBa2TCXpR/IkaPze9 OH6vvnU1fwaVFxpp36BjhKrbuFp13OcE7b4kGTVc/UqqcBttchn58qJ6nGlKgqK021MzubqrNKp5u CdR6La4AVOcTig==; From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: Rob Browning <rlb@HIDDEN> Subject: Re: bug#75590: ports.test: "SEEK_DATA while in hole" fails on some hosts In-Reply-To: <87zfjmy313.fsf@HIDDEN> (Rob Browning's message of "Sun, 19 Jan 2025 14:14:32 -0600") References: <87y0zc2ddi.fsf@HIDDEN> <CAA2XvwJEa_rYb4Z7r7MrCTJHVX6UMVtjHOF0H4jzui0_usYPdw@HIDDEN> <87zfjmy313.fsf@HIDDEN> Date: Fri, 28 Feb 2025 21:20:01 +0100 Message-ID: <87y0xpq0su.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 75590 Cc: Mikael Djurfeldt <mikael@HIDDEN>, 75590 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hi Rob, Rob Browning <rlb@HIDDEN> skribis: > +(define (skip-unless-fs-handles-holes-as-expected) > + ;; For now only allow filesystems that should have the seek hole/data > + ;; semantics the tests expect. Filesystems vary both in how they > + ;; handle sparseness in general (e.g. granularity), how they handle > + ;; SEEK_DATA and SEEK_HOLE (see lseek(2) for some related info), and > + ;; even how quickly they reflect changes. du's output, for example, > + ;; may not immediately reflect sparseness changes (previously observed > + ;; on btrfs and zfs). > + (let* ((p (open-input-pipe "debian/bin/path-fs .")) > + (fs (read-all p))) What does =E2=80=98path-fs=E2=80=99 do? How can we adapt it for use in the= test suite? Thanks for investigating! Ludo=E2=80=99.
bug-guile@HIDDEN:bug#75590; Package guile.
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From: Rob Browning <rlb@HIDDEN>
To: Mikael Djurfeldt <mikael@HIDDEN>
Subject: Re: bug#75590: ports.test: "SEEK_DATA while in hole" fails on some
hosts
In-Reply-To: <CAA2XvwJEa_rYb4Z7r7MrCTJHVX6UMVtjHOF0H4jzui0_usYPdw@HIDDEN>
References: <87y0zc2ddi.fsf@HIDDEN>
<CAA2XvwJEa_rYb4Z7r7MrCTJHVX6UMVtjHOF0H4jzui0_usYPdw@HIDDEN>
Date: Sun, 19 Jan 2025 14:14:32 -0600
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--=-=-=
Content-Type: text/plain
Mikael Djurfeldt <mikael@HIDDEN> writes:
> We could, in addition to "stat", provide "statfs" (on systems that provide
> it).
>
> The test could then first test for the presence of "statfs" and then check
> if the filesystem is ext4.
Here's what I've done in Debian for now after double-checking the
test on a few filesystems:
--=-=-=
Content-Type: text/x-diff
Content-Disposition: inline;
filename=0001-Skip-ports.test-seek-tests-unless-filesystem-looks-s.patch
Content-Description: only-test-sparse-data-hole-where-expected-to-work.patch
From ea1750ad7f27593ee42ca48c74cc5b3e3cdd2d1d Mon Sep 17 00:00:00 2001
From: Rob Browning <rlb@HIDDEN>
Date: Wed, 15 Jan 2025 12:54:02 -0600
Subject: [PATCH 1/1] Skip ports.test seek tests unless filesystem looks
suitable
For now, only test on filesystems that we know have the expected
semantics, i.e. btrfs, ext4, and xfs.
---
test-suite/tests/ports.test | 32 +++++++++++++++++++++-----------
1 file changed, 21 insertions(+), 11 deletions(-)
diff --git a/test-suite/tests/ports.test b/test-suite/tests/ports.test
index bec5e356c5..baa9edb700 100644
--- a/test-suite/tests/ports.test
+++ b/test-suite/tests/ports.test
@@ -39,9 +39,23 @@
(define (test-file)
(data-file-name "ports-test.tmp"))
-(define (skip-on-darwin)
- (when (string-ci=? "darwin" (utsname:sysname (uname)))
- (throw 'untested)))
+(define (skip-unless-fs-handles-holes-as-expected)
+ ;; For now only allow filesystems that should have the seek hole/data
+ ;; semantics the tests expect. Filesystems vary both in how they
+ ;; handle sparseness in general (e.g. granularity), how they handle
+ ;; SEEK_DATA and SEEK_HOLE (see lseek(2) for some related info), and
+ ;; even how quickly they reflect changes. du's output, for example,
+ ;; may not immediately reflect sparseness changes (previously observed
+ ;; on btrfs and zfs).
+ (let* ((p (open-input-pipe "debian/bin/path-fs ."))
+ (fs (read-all p)))
+ (close p)
+ (when (string=? "\n" fs)
+ (error "unexpected output from debian/bin/path-fs" fs))
+ (or (string=? "btrfs\n" fs)
+ (string=? "ext4\n" fs)
+ (string=? "xfs\n" fs)
+ (throw 'untested))))
;;;; Some general utilities for testing ports.
@@ -189,7 +203,6 @@
(close-port iport))
(delete-file filename))
-;;; Note: Holes are weird on Darwin.
(let* ((file (test-file))
(port (open-output-file file)))
(seek port 4096 SEEK_SET)
@@ -198,15 +211,12 @@
(pass-if-equal "size of sparse file"
4100
- ;; XXX: On macOS, APFS does support sparse files, they do not behave
- ;; like on Linux. Skip these tests on macOS.
- (skip-on-darwin)
-
+ (skip-unless-fs-handles-holes-as-expected)
(stat:size (stat file)))
(pass-if-equal "SEEK_DATA while on data"
4096
- (skip-on-darwin)
+ (skip-unless-fs-handles-holes-as-expected)
(if (defined? 'SEEK_DATA)
(call-with-input-file file
(lambda (port)
@@ -219,7 +229,7 @@
(pass-if-equal "SEEK_DATA while in hole"
4096
- (skip-on-darwin)
+ (skip-unless-fs-handles-holes-as-expected)
(if (defined? 'SEEK_DATA)
(call-with-input-file file
(lambda (port)
@@ -232,7 +242,7 @@
(pass-if-equal "SEEK_HOLE while in hole"
10
- (skip-on-darwin)
+ (skip-unless-fs-handles-holes-as-expected)
(if (defined? 'SEEK_HOLE)
(call-with-input-file file
(lambda (port)
--
2.45.2
--=-=-=
Content-Type: text/plain
But happy to help with whatever solution we prefer in guile itself.
--
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
--=-=-=--
bug-guile@HIDDEN:bug#75590; Package guile.
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Subject: Re: bug#75590: ports.test: "SEEK_DATA while in hole" fails on some
hosts
To: Rob Browning <rlb@HIDDEN>
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We could, in addition to "stat", provide "statfs" (on systems that provide
it).
The test could then first test for the presence of "statfs" and then check
if the filesystem is ext4.
Best regards,
Mikael
On Wed, Jan 15, 2025 at 6:32=E2=80=AFPM Rob Browning <rlb@HIDDEN>=
wrote:
>
> This test failed on one of the debian buildds[1] like this:
>
> Running popen.test
> Backtrace:
> 4 (primitive-load
> "/build/reproducible-path/guile-3.0-3.0.10+really3.0.10/test-suite/tests/=
ports.test")
> In ice-9/eval.scm:
> 619:8 3 (_ #(#(#<directory (test-suite test-ports) 7fff9a860460>
> "/build/reproducible-path/guile-3.0-3.0.10+really3.0.10/ports-test.tmp")
> #<closed: file 7fff959be8c0>))
> 619:8 2 (_ #(#(#(#<directory (test-suite lib) 7fff9a8d80a0>
> #<variable 7fff9a90a5d0 value: #t>) "SEEK_DATA while in hole" #t
> #<procedure 7fff95a17c80 at ice-9/eval.scm:330:13 ()>) ("ports.test"
> "SEEK_DATA while in hole")))
> In ice-9/boot-9.scm:
> 260:13 1 (for-each #<procedure 7fff95a17240 at ice-9/eval.scm:333:1=
3
> (a)> _)
> In ice-9/eval.scm:
> 619:8 0 (_ #(#(#<directory (test-suite lib automake) 7fff9a860820>
> (fail ("ports.test" "SEEK_DATA while in hole") expected-value 4096
> actual-value 10))))
>
> ice-9/eval.scm:619:8: Throw to key `match-error' with args `("match" "n=
o
> matching pattern" (fail ("ports.test" "SEEK_DATA while in hole")
> expected-value 4096 actual-value 10))'.
> Running ports.test
> FAIL: ports.test: SEEK_DATA while in hole - arguments: (expected-value
> 4096 actual-value 10)
>
> I suspect it's because that buildd is running in an unshare/chroot with
> a filesystem that just doesn't support the seek data/hole semantics we
> expect, and it sounds like returning the seek offset (here 10) is
> allowed (at least by Debian's lseek(2)):
>
> In the simplest implementation, a filesystem can support the
> operations by making SEEK_HOLE always return the offset of the end of
> the file, and making SEEK_DATA always return offset (i.e., even if the
> location referred to by offset is a hole, it can be considered to
> consist of data that is a sequence of zeros).
>
> How we might want to fix this depends of course on exactly what the test
> is trying to verify, but if it's trying to verify that Guile's functions
> work properly when the filesystem does support the semantics we expect,
> then we could consider limiting the tests to relevant filesystems
> (e.g. ext4, ...).
>
> In that case, while I don't know of a simple way to detect the type of
> the test filesystem, if it's useful, bup currently uses this to handle
> some platforms
> (https://codeberg.org/bup/bup/src/branch/main/dev/path-fs):
>
> #!/usr/bin/env bash
>
> set -ueo pipefail
>
> kernel=3D"$(uname -s)"
> case "$kernel" in
> NetBSD)
> fs() { df -G "$1" | sed -En 's/.* ([^ ]*) fstype.*/\1/p'; }
> ;;
> SunOS)
> fs() { df -g "$1" | sed -En 's/.* ([^ ]*) fstype.*/\1/p'; }
> ;;
> *)
> fs() { df -T "$1" | awk 'END{print $2}'; }
> esac
>
> while test $# -ne 0; do
> fs "$1"
> shift
> done
>
> [1] From
> https://buildd.debian.org/status/fetch.php?pkg=3Dguile-3.0&arch=3Dppc64el=
&ver=3D3.0.10%2Breally3.0.10-1&stamp=3D1736918931&raw=3D0
>
> Thanks
> --
> Rob Browning
> rlb @defaultvalue.org and @debian.org
> GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
> GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
>
>
>
>
--0000000000009a319e062be77661
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div>We could, in addition to "stat", provide &q=
uot;statfs" (on systems that provide it).</div><div><br></div><div>The=
test could then first test for the presence of "statfs" and then=
check if the filesystem is ext4.</div><div><br></div><div>Best regards,</d=
iv><div>Mikael<br></div></div><br><div class=3D"gmail_quote gmail_quote_con=
tainer"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Jan 15, 2025 at 6:32=
=E2=80=AFPM Rob Browning <<a href=3D"mailto:rlb@HIDDEN">rlb@de=
faultvalue.org</a>> wrote:<br></div><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padd=
ing-left:1ex"><br>
This test failed on one of the debian buildds[1] like this:<br>
<br>
=C2=A0 Running popen.test<br>
=C2=A0 Backtrace:<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A04 (primitive-load "/bu=
ild/reproducible-path/guile-3.0-3.0.10+really3.0.10/test-suite/tests/ports.=
test")<br>
=C2=A0 In ice-9/eval.scm:<br>
=C2=A0 =C2=A0 =C2=A0 619:8=C2=A0 3 (_ #(#(#<directory (test-suite test-p=
orts) 7fff9a860460> "/build/reproducible-path/guile-3.0-3.0.10+real=
ly3.0.10/ports-test.tmp") #<closed: file 7fff959be8c0>))<br>
=C2=A0 =C2=A0 =C2=A0 619:8=C2=A0 2 (_ #(#(#(#<directory (test-suite lib)=
7fff9a8d80a0> #<variable 7fff9a90a5d0 value: #t>) "SEEK_DATA=
while in hole" #t #<procedure 7fff95a17c80 at ice-9/eval.scm:330:1=
3 ()>) ("ports.test" "SEEK_DATA while in hole")))<br=
>
=C2=A0 In ice-9/boot-9.scm:<br>
=C2=A0 =C2=A0 =C2=A0260:13=C2=A0 1 (for-each #<procedure 7fff95a17240 at=
ice-9/eval.scm:333:13 (a)> _)<br>
=C2=A0 In ice-9/eval.scm:<br>
=C2=A0 =C2=A0 =C2=A0 619:8=C2=A0 0 (_ #(#(#<directory (test-suite lib au=
tomake) 7fff9a860820> (fail ("ports.test" "SEEK_DATA whil=
e in hole") expected-value 4096 actual-value 10))))<br>
<br>
=C2=A0 ice-9/eval.scm:619:8: Throw to key `match-error' with args `(&qu=
ot;match" "no matching pattern" (fail ("ports.test"=
; "SEEK_DATA while in hole") expected-value 4096 actual-value 10)=
)'.<br>
=C2=A0 Running ports.test<br>
=C2=A0 FAIL: ports.test: SEEK_DATA while in hole - arguments: (expected-val=
ue 4096 actual-value 10)<br>
<br>
I suspect it's because that buildd is running in an unshare/chroot with=
<br>
a filesystem that just doesn't support the seek data/hole semantics we<=
br>
expect, and it sounds like returning the seek offset (here 10) is<br>
allowed (at least by Debian's lseek(2)):<br>
<br>
=C2=A0 In the simplest implementation, a filesystem can support the<br>
=C2=A0 operations by making SEEK_HOLE always return the offset of the end o=
f<br>
=C2=A0 the file, and making SEEK_DATA always return offset (i.e., even if t=
he<br>
=C2=A0 location referred to by offset is a hole, it can be considered to<br=
>
=C2=A0 consist of data that is a sequence of zeros).<br>
<br>
How we might want to fix this depends of course on exactly what the test<br=
>
is trying to verify, but if it's trying to verify that Guile's func=
tions<br>
work properly when the filesystem does support the semantics we expect,<br>
then we could consider limiting the tests to relevant filesystems<br>
(e.g. ext4, ...).<br>
<br>
In that case, while I don't know of a simple way to detect the type of<=
br>
the test filesystem, if it's useful, bup currently uses this to handle<=
br>
some platforms<br>
(<a href=3D"https://codeberg.org/bup/bup/src/branch/main/dev/path-fs" rel=
=3D"noreferrer" target=3D"_blank">https://codeberg.org/bup/bup/src/branch/m=
ain/dev/path-fs</a>):<br>
<br>
=C2=A0 #!/usr/bin/env bash<br>
<br>
=C2=A0 set -ueo pipefail<br>
<br>
=C2=A0 kernel=3D"$(uname -s)"<br>
=C2=A0 case "$kernel" in<br>
=C2=A0 =C2=A0 =C2=A0 NetBSD)<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fs() { df -G "$1" | sed -En &#=
39;s/.* ([^ ]*) fstype.*/\1/p'; }<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ;;<br>
=C2=A0 =C2=A0 =C2=A0 SunOS)<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fs() { df -g "$1" | sed -En &#=
39;s/.* ([^ ]*) fstype.*/\1/p'; }<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ;;<br>
=C2=A0 =C2=A0 =C2=A0 *)<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fs() { df -T "$1" | awk 'E=
ND{print $2}'; }<br>
=C2=A0 esac<br>
<br>
=C2=A0 while test $# -ne 0; do<br>
=C2=A0 =C2=A0 =C2=A0 fs "$1"<br>
=C2=A0 =C2=A0 =C2=A0 shift<br>
=C2=A0 done<br>
<br>
[1] From <a href=3D"https://buildd.debian.org/status/fetch.php?pkg=3Dguile-=
3.0&arch=3Dppc64el&ver=3D3.0.10%2Breally3.0.10-1&stamp=3D173691=
8931&raw=3D0" rel=3D"noreferrer" target=3D"_blank">https://buildd.debia=
n.org/status/fetch.php?pkg=3Dguile-3.0&arch=3Dppc64el&ver=3D3.0.10%=
2Breally3.0.10-1&stamp=3D1736918931&raw=3D0</a><br>
<br>
Thanks<br>
-- <br>
Rob Browning<br>
rlb @<a href=3D"http://defaultvalue.org" rel=3D"noreferrer" target=3D"_blan=
k">defaultvalue.org</a> and @<a href=3D"http://debian.org" rel=3D"noreferre=
r" target=3D"_blank">debian.org</a><br>
GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A<br>
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4<br>
<br>
<br>
<br>
</blockquote></div>
--0000000000009a319e062be77661--
bug-guile@HIDDEN:bug#75590; Package guile.
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From: Rob Browning <rlb@HIDDEN>
To: bug-guile@HIDDEN
Subject: ports.test: "SEEK_DATA while in hole" fails on some hosts
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This test failed on one of the debian buildds[1] like this:
Running popen.test
Backtrace:
4 (primitive-load "/build/reproducible-path/guile-3.0-3.0.10+really3.0.10/test-suite/tests/ports.test")
In ice-9/eval.scm:
619:8 3 (_ #(#(#<directory (test-suite test-ports) 7fff9a860460> "/build/reproducible-path/guile-3.0-3.0.10+really3.0.10/ports-test.tmp") #<closed: file 7fff959be8c0>))
619:8 2 (_ #(#(#(#<directory (test-suite lib) 7fff9a8d80a0> #<variable 7fff9a90a5d0 value: #t>) "SEEK_DATA while in hole" #t #<procedure 7fff95a17c80 at ice-9/eval.scm:330:13 ()>) ("ports.test" "SEEK_DATA while in hole")))
In ice-9/boot-9.scm:
260:13 1 (for-each #<procedure 7fff95a17240 at ice-9/eval.scm:333:13 (a)> _)
In ice-9/eval.scm:
619:8 0 (_ #(#(#<directory (test-suite lib automake) 7fff9a860820> (fail ("ports.test" "SEEK_DATA while in hole") expected-value 4096 actual-value 10))))
ice-9/eval.scm:619:8: Throw to key `match-error' with args `("match" "no matching pattern" (fail ("ports.test" "SEEK_DATA while in hole") expected-value 4096 actual-value 10))'.
Running ports.test
FAIL: ports.test: SEEK_DATA while in hole - arguments: (expected-value 4096 actual-value 10)
I suspect it's because that buildd is running in an unshare/chroot with
a filesystem that just doesn't support the seek data/hole semantics we
expect, and it sounds like returning the seek offset (here 10) is
allowed (at least by Debian's lseek(2)):
In the simplest implementation, a filesystem can support the
operations by making SEEK_HOLE always return the offset of the end of
the file, and making SEEK_DATA always return offset (i.e., even if the
location referred to by offset is a hole, it can be considered to
consist of data that is a sequence of zeros).
How we might want to fix this depends of course on exactly what the test
is trying to verify, but if it's trying to verify that Guile's functions
work properly when the filesystem does support the semantics we expect,
then we could consider limiting the tests to relevant filesystems
(e.g. ext4, ...).
In that case, while I don't know of a simple way to detect the type of
the test filesystem, if it's useful, bup currently uses this to handle
some platforms
(https://codeberg.org/bup/bup/src/branch/main/dev/path-fs):
#!/usr/bin/env bash
set -ueo pipefail
kernel="$(uname -s)"
case "$kernel" in
NetBSD)
fs() { df -G "$1" | sed -En 's/.* ([^ ]*) fstype.*/\1/p'; }
;;
SunOS)
fs() { df -g "$1" | sed -En 's/.* ([^ ]*) fstype.*/\1/p'; }
;;
*)
fs() { df -T "$1" | awk 'END{print $2}'; }
esac
while test $# -ne 0; do
fs "$1"
shift
done
[1] From https://buildd.debian.org/status/fetch.php?pkg=guile-3.0&arch=ppc64el&ver=3.0.10%2Breally3.0.10-1&stamp=1736918931&raw=0
Thanks
--
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
Rob Browning <rlb@HIDDEN>:bug-guile@HIDDEN.
Full text available.bug-guile@HIDDEN:bug#75590; Package guile.
Full text available.
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