Ludovic Courtès <ludo@HIDDEN>
to control <at> debbugs.gnu.org.
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From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludovic.courtes@HIDDEN>
To: Nicolas Graves <ngraves@HIDDEN>
Subject: Re: bug#62656: broken guix time-machine + software-heritage
References: <878rf8hch7.fsf@HIDDEN>
Date: Wed, 26 Apr 2023 11:50:57 +0200
In-Reply-To: <878rf8hch7.fsf@HIDDEN> (Nicolas Graves's message of "Mon, 03
Apr 2023 23:39:32 +0200")
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Hello,
Nicolas Graves <ngraves@HIDDEN> skribis:
> I was trying to use guix time-machine as I did in the past, but the
> recent updates with software heritage seem to have broken my use of it.
>
> Here's the channels.scm file I used:
>
> (list (channel
> (name 'guix)
> (url "/https://git.savannah.gnu.org/git/guix.git")
> (commit "1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1")
> (introduction
> (make-channel-introduction
> "9edb3f66fd807b096b48283debdcddccfea34bad"
> (openpgp-fingerprint
> "BBB0 2DDF 2CEA F6A8 0D1D E643 A2A0 6DF2 A33A 54FA")))))
Interesting test!
> Here is the content + backtrace of the time-machine call, after the ~10
> hours long object processing on Software Heritage side:
>
>> guix time-machine -C channels.scm -- shell
> Mise =C3=A0 jour du canal =C2=AB guix =C2=BB depuis le d=C3=A9p=C3=B4t Gi=
t =C2=AB /https://git.savannah.gnu.org/git/guix.git =C2=BB...
> SWH: found revision 1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1 with directo=
ry at 'https://archive.softwareheritage.org/api/1/directory/1ea499e7529e67a=
0632ecbe0a8214f0618a82c1a/'
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/HEAD
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/branches/
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/config
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/description
[...]
> 3 (get-bytevector-n! #<input: string 7f8d1aad5cb0> # 0 #)
> In web/response.scm:
> 95:2 2 (read! _ _ _)
> In ice-9/boot-9.scm:
> 1685:16 1 (raise-exception _ #:continuable? _)
> 1685:16 0 (raise-exception _ #:continuable? _)
>
> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> Throw to key `bad-response' with args `("EOF while reading response body:=
~a bytes of ~a" (53394376 296632320))'.
I can reproduce it like this:
--8<---------------cut here---------------start------------->8---
$ wget -O/tmp/swh.git \
"https://archive.softwareheritage.org/api/1/vault/git-bare/swh:1:rev:198=
4d56b0e437af7be7fa6cf8e1a00e45eb8ffa1/raw/"
--2023-04-26 11:43:22-- https://archive.softwareheritage.org/api/1/vault/g=
it-bare/swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1/raw/
Resolving archive.softwareheritage.org (archive.softwareheritage.org)... 12=
8.93.166.15
Connecting to archive.softwareheritage.org (archive.softwareheritage.org)|1=
28.93.166.15|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 296632320 (283M) [application/x-tar]
Saving to: =E2=80=98/tmp/swh.git=E2=80=99
/tmp/swh.git 13%[=3D=3D=3D> ] 39.=
11M 84.1MB/s in 0.5s=20=20=20=20
2023-04-26 11:43:40 (84.1 MB/s) - Connection closed at byte 41015184. Retry=
ing.
--2023-04-26 11:43:41-- (try: 2) https://archive.softwareheritage.org/api=
/1/vault/git-bare/swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1/raw/
Connecting to archive.softwareheritage.org (archive.softwareheritage.org)|1=
28.93.166.15|:443... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 296632320 (283M), 255617136 (244M) remaining [application/x-tar]
Saving to: =E2=80=98/tmp/swh.git=E2=80=99
/tmp/swh.git 65%[++++=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D> ] 184.66M 96.7MB/s in 1.5s=20=20=20=20
2023-04-26 11:44:00 (96.7 MB/s) - Connection closed at byte 193634304. Retr=
ying.
[=E2=80=A6]
--2023-04-26 11:48:01-- (try:12) https://archive.softwareheritage.org/api=
/1/vault/git-bare/swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1/raw/
Connecting to archive.softwareheritage.org (archive.softwareheritage.org)|1=
28.93.166.15|:443... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 296632320 (283M), 28199637 (27M) remaining [application/x-tar]
Saving to: =E2=80=98/tmp/swh.git=E2=80=99
/tmp/swh.git 90%[+++++++++++++++++++++++++++++ ] 256.00M 5=
.39KB/s in 0.3s=20=20=20=20
2023-04-26 11:48:19 (5.39 KB/s) - Connection closed at byte 268434406. Retr=
ying.
--2023-04-26 11:48:29-- (try:13) https://archive.softwareheritage.org/api=
/1/vault/git-bare/swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1/raw/
Connecting to archive.softwareheritage.org (archive.softwareheritage.org)|1=
28.93.166.15|:443... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 296632320 (283M), 28197914 (27M) remaining [application/x-tar]
Saving to: =E2=80=98/tmp/swh.git=E2=80=99
/tmp/swh.git 90%[+++++++++++++++++++++++++++++ ] 256.00M -=
-.-KB/s in 0s=20=20=20=20=20=20
2023-04-26 11:48:46 (0.00 B/s) - Connection closed at byte 268434406. Retry=
ing.
--8<---------------cut here---------------end--------------->8---
The server keeps closing the connection prematurely. Unlike our client
in Guile, wget keeps retrying and so, little by little, it eventually
gets more bytes. In my case it seems to get stuck at 90% though, where
each attempt gives it zero or very few additional bytes.
I suspect this is an issue at SWH. I=E2=80=99ll bring it up there.
Thanks,
Ludo=E2=80=99.
bug-guix@HIDDEN:bug#62656; Package guix.
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From: Simon Tournier <zimon.toutoune@HIDDEN>
To: Nicolas Graves <ngraves@HIDDEN>, 62656 <at> debbugs.gnu.org
Subject: Re: bug#62656: broken guix time-machine + software-heritage
In-Reply-To: <878rf8hch7.fsf@HIDDEN>
References: <878rf8hch7.fsf@HIDDEN>
Date: Tue, 04 Apr 2023 12:51:38 +0200
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Hi,
Cool you did this test! :-)
On Mon, 03 Apr 2023 at 23:39, Nicolas Graves via Bug reports for GNU Guix <=
bug-guix@HIDDEN> wrote:
> Here is the content + backtrace of the time-machine call, after the ~10
> hours long object processing on Software Heritage side:
Last time I checked that, I never got the object from SWH because a bug
on their side. Nice now they cook the content.
Note that SWH is an archive and so it is expected to take a long time to
extract a large dataset as the files of the Guix repository is. Many
data are stored cold not to say frozen and that=E2=80=99s why it takes a lo=
ng
time to warm them up.
>> guix time-machine -C channels.scm -- shell
> Mise =C3=A0 jour du canal =C2=AB guix =C2=BB depuis le d=C3=A9p=C3=B4t Gi=
t =C2=AB /https://git.savannah.gnu.org/git/guix.git =C2=BB...
> SWH: found revision 1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1 with directo=
ry at 'https://archive.softwareheritage.org/api/1/directory/1ea499e7529e67a=
0632ecbe0a8214f0618a82c1a/'
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/HEAD
[...]
> swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/pack/pack-=
20648aeebad9dc6d8a29c87bd99d8fd773e1266a.pack
> Backtrace:
> In ice-9/boot-9.scm:
> 1752:10 19 (with-exception-handler _ _ #:unwind? _ # _)
> In guix/store.scm:
> 659:37 18 (thunk)
[...]
> In unknown file:
> 3 (get-bytevector-n! #<input: string 7f8d1aad5cb0> # 0 #)
> In web/response.scm:
> 95:2 2 (read! _ _ _)
> In ice-9/boot-9.scm:
> 1685:16 1 (raise-exception _ #:continuable? _)
> 1685:16 0 (raise-exception _ #:continuable? _)
>
> ice-9/boot-9.scm:1685:16: In procedure raise-exception:
> Throw to key `bad-response' with args `("EOF while reading response body:=
~a bytes of ~a" (53394376 296632320))'.
Well, if I understand correctly, SWH cooked the full Git repository of
Guix and somehow it is probably too big. Hum, I do not know how to
investigate=E2=80=A6
Thanks for the report!
Cheers,
simon
bug-guix@HIDDEN:bug#62656; Package guix.
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From: Nicolas Graves <ngraves@HIDDEN>
To: bug-guix@HIDDEN
Subject: broken guix time-machine + software-heritage
Date: Mon, 03 Apr 2023 23:39:32 +0200
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Hi Guix!
I was trying to use guix time-machine as I did in the past, but the
recent updates with software heritage seem to have broken my use of it.
Here's the channels.scm file I used:
(list (channel
(name 'guix)
(url "/https://git.savannah.gnu.org/git/guix.git")
(commit "1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1")
(introduction
(make-channel-introduction
"9edb3f66fd807b096b48283debdcddccfea34bad"
(openpgp-fingerprint
"BBB0 2DDF 2CEA F6A8 0D1D E643 A2A0 6DF2 A33A 54FA")))))
Here is the content + backtrace of the time-machine call, after the ~10
hours long object processing on Software Heritage side:
> guix time-machine -C channels.scm -- shell
Mise =C3=A0 jour du canal =C2=AB guix =C2=BB depuis le d=C3=A9p=C3=B4t Git =
=C2=AB /https://git.savannah.gnu.org/git/guix.git =C2=BB...
SWH: found revision 1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1 with directory=
at 'https://archive.softwareheritage.org/api/1/directory/1ea499e7529e67a06=
32ecbe0a8214f0618a82c1a/'
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/HEAD
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/branches/
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/config
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/description
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/hooks/
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/info/
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/info/exclude
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/info/refs
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/info/
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/info/packs
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/pack/
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/pack/pack-20=
648aeebad9dc6d8a29c87bd99d8fd773e1266a.idx
swh:1:rev:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/pack/pack-20=
648aeebad9dc6d8a29c87bd99d8fd773e1266a.pack
Backtrace:
In ice-9/boot-9.scm:
1752:10 19 (with-exception-handler _ _ #:unwind? _ # _)
In guix/store.scm:
659:37 18 (thunk)
In guix/status.scm:
830:4 17 (call-with-status-report _ _)
In guix/store.scm:
1298:8 16 (call-with-build-handler #<procedure 7f8d1bf5adb0 at g=E2=80=
=A6> =E2=80=A6)
In guix/inferior.scm:
928:34 15 (cached-channel-instance #<store-connection 256.99 7f8=E2=80=
=A6> =E2=80=A6)
In guix/channels.scm:
528:7 14 (loop _ _)
In guix/combinators.scm:
48:26 13 (fold2 #<procedure 7f8d1bf592a0 at guix/channels.scm:5=E2=80=
=A6> =E2=80=A6)
In guix/channels.scm:
538:29 12 (_ #<<channel> name: guix url: "/https://git.savannah.=E2=80=
=A6> =E2=80=A6)
409:17 11 (latest-channel-instance #<store-connection 256.99 7f8=E2=80=
=A6> =E2=80=A6)
In guix/git.scm:
477:29 10 (update-cached-checkout _ #:ref _ #:recursive? _ # _ # _ =E2=
=80=A6)
378:2 9 (_ git-error #<<git-error> code: -1 message: "failed to=E2=80=
=A6>)
In guix/utils.scm:
959:8 8 (call-with-temporary-directory _)
In guix/git.scm:
380:10 7 (_ "/tmp/guix-directory.v8A5Fq")
In guix/swh.scm:
655:8 6 (call-with-temporary-directory #<procedure 7f8d248dba80=E2=80=
=A6>)
682:11 5 (_ "/tmp/guix-directory.4kHVt8")
In guix/build/utils.scm:
1018:28 4 (_)
In unknown file:
3 (get-bytevector-n! #<input: string 7f8d1aad5cb0> # 0 #)
In web/response.scm:
95:2 2 (read! _ _ _)
In ice-9/boot-9.scm:
1685:16 1 (raise-exception _ #:continuable? _)
1685:16 0 (raise-exception _ #:continuable? _)
ice-9/boot-9.scm:1685:16: In procedure raise-exception:
Throw to key `bad-response' with args `("EOF while reading response body: ~=
a bytes of ~a" (53394376 296632320))'.
tar: Fin pr=C3=A9matur=C3=A9e rencontr=C3=A9e dans l'archive.
tar: Fin pr=C3=A9matur=C3=A9e rencontr=C3=A9e dans l'archive.
tar: swh\:1\:rev\:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects/pack=
: utime impossible: Aucun fichier ou dossier de ce type
tar: swh\:1\:rev\:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git/objects : ut=
ime impossible: Aucun fichier ou dossier de ce type
tar: swh\:1\:rev\:1984d56b0e437af7be7fa6cf8e1a00e45eb8ffa1.git : utime impo=
ssible: Aucun fichier ou dossier de ce type
tar: Error is not recoverable: exiting now
zsh: exit 1 guix time-machine -C channels.scm -- shell
Hope this can be fixed soon, good luck ;)=20
--=20
Best regards,
Nicolas Graves
Nicolas Graves <ngraves@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#62656; Package guix.
Full text available.
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