NetBSD Problem Report #49490
From martin@aprisoft.de Sat Dec 20 12:36:42 2014
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by mollari.NetBSD.org (Postfix) with ESMTPS id 3ADFCA6551
for <gnats-bugs@gnats.NetBSD.org>; Sat, 20 Dec 2014 12:36:42 +0000 (UTC)
Message-Id: <20141220123602.7D71FED0E4F@emmas.aprisoft.de>
Date: Sat, 20 Dec 2014 13:36:02 +0100 (CET)
From: martin@NetBSD.org
Reply-To: martin@NetBSD.org
To: gnats-bugs@NetBSD.org
Subject: "hg clone" does not work on big endian machines
X-Send-Pr-Version: 3.95
>Number: 49490
>Category: pkg
>Synopsis: "hg clone" does not work on big endian machines
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: pkg-manager
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Dec 20 12:40:00 +0000 2014
>Closed-Date: Fri Sep 21 13:14:47 +0000 2018
>Last-Modified: Fri Sep 21 13:14:47 +0000 2018
>Originator: Martin Husemann
>Release: NetBSD 7.99.3
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD whoever-brings-the-night.aprisoft.de 7.99.3 NetBSD 7.99.3 (WHOEVER) #32: Mon Dec 15 10:44:28 CET 2014 martin@seven-days-to-the-wolves.aprisoft.de:/usr/src/sys/arch/sparc64/compile/WHOEVER sparc64
Architecture: sparc64
Machine: sparc64
>Description:
I tried this on amd64, sparc64 and big endian ARM, all on the same internet
connection. It reliably works on amd64, and 100% reliably fails on the big
endian machines:
> hg clone https://hg.mozilla.org/mozilla-central/ firefox
warning: hg.mozilla.org certificate with fingerprint af:27:b9:34:47:4e:e5:98:01:f6:83:2b:51:c9:aa:d8:df:fb:1a:27 not verified (check hostfingerprints or web.cacerts config setting)
requesting all changes
adding changesets
adding manifests
transaction abort!
rollback completed
abort: connection ended unexpectedly
I tried playing a bit with python -m pdb, but it is too awkward for a C/C++
guy like me, so someone else please have a look at this.
Otherwise I'd need strong guidance for a full debug session ;-)
>How-To-Repeat:
s/a
>Fix:
n/a
>Release-Note:
>Audit-Trail:
From: Thomas Klausner <wiz@NetBSD.org>
To: NetBSD bugtracking <gnats-bugs@NetBSD.org>
Cc:
Subject: Re: pkg/49490: "hg clone" does not work on big endian machines
Date: Sat, 20 Dec 2014 14:25:45 +0100
On Sat, Dec 20, 2014 at 12:40:00PM +0000, martin@NetBSD.org wrote:
> >Synopsis: "hg clone" does not work on big endian machines
Which version of py27-mercurial is installed?
Thomas
From: Martin Husemann <martin@duskware.de>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: pkg/49490: "hg clone" does not work on big endian machines
Date: Sat, 20 Dec 2014 17:12:25 +0100
On Sat, Dec 20, 2014 at 01:30:01PM +0000, Thomas Klausner wrote:
> Which version of py27-mercurial is installed?
py27-mercurial-3.2.3 on the ARM and py27-mercurial-3.2.2 on sparc64 and
amd64.
Martin
From: Thomas Klausner <tk@giga.or.at>
To: NetBSD bugtracking <gnats-bugs@NetBSD.org>
Cc:
Subject: Re: pkg/49490: "hg clone" does not work on big endian machines
Date: Sat, 20 Dec 2014 18:33:41 +0100
On Sat, Dec 20, 2014 at 04:15:01PM +0000, Martin Husemann wrote:
> py27-mercurial-3.2.3 on the ARM and py27-mercurial-3.2.2 on sparc64 and
> amd64.
Thanks. I've reported this upstream as
http://bz.selenic.com/show_bug.cgi?id=4480
Thomas
From: Martin Husemann <martin@duskware.de>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: pkg/49490: "hg clone" of the firefox repo does not work on some machines
Date: Sun, 28 Dec 2014 22:20:57 +0100
We have tracked this down to Python considering a read() on the http
socket to hit "EOF" midway during receiption of a gzip'd chunk of data
(where it knows several kByte still to follow).
So this might be some mismatch between signals, socket handling, Python
and NetBSD - or whatever.
Below is the relevant tail of a ktrace showing how Python gets to the 0
byte read. Any suggestions/ideas welcome.
Martin
27892 1 python2.7 GIO fd 4 read 3240 bytes
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\M^Y\M^?\M^H\M-!\M^\\M-LLir\^]\M-&e\M^Vt\^C;$\M^X\M-\\M-E\M-d\^N\M^N\
\M-)\M^Kzw\M-,\M-+wc\M-j\M-L\\\M-u\"\M-&]PJH\M-0:,\\\M-p\M-/(\M-J\M-,\
\M^M`r\^YB\M-B\M-L\M^KYbe\^V\M-v\240\M-Z\M-Z \M^S|j\M-$\M-%\M^E\M-3dd\
\^_\M-8P\^Z'\M^L\M-F\^Cy\M-7\M-p\M-z\M^F\M^I\M^J\M-C\M-$\M-+Jw*\M-MFG\
\M-%e\M^C\^O\M^U\^B\M-r\M-&\M-@@V: j\M->U\M-L\M-p\r\M-1\M-p\"\M-M\M^D\
\M-B\M->\M^@\M^U\M-kY\M-M\M-5\M^A\M^J\M-Q7\^W\M-*2\^]\M-3\M-K\rc\M^@0p\
\M-,\M-9\^T\240\M^E\^Q!\M->\M-@f\M-o\M-:\M-G\M--\M^Sw#xk\M-[l\^^\M-4&\
\M-t\^Q\240:VV\^\GQ\M-(\M^R\M^\w{\M^Q4p$N\^U\M-1\M-L|\M-T\M-mJk\^C+\n\
\M-'\M^D\M-K\0D\M-0\M-#2\M-G\f\M--\M-Za2r,3\M^XOI\M-IT\M-^\M-ltQ\M-e\
\^X\M-U\M-RB%\M-|\M-9\M-;,\M-%\M-z\M^A,t\M-FP-\M-|g\M^QZ`^`\^F,\0\n\
\M-j[\M^]\^UqB\^Q\M-=>\M-C\M^?\^R\M-t\^Y\M-5F\^P\M-t\^^\M-VU\^[\M-Mu\
\M-STk\M^[\M^WO\M-%\M-"\^^M\M-Jt\M-m\M-Tq\M^Rab\M-R<-\M-'\M-%(b>\M-%Oy\
+\M-\e\M-?\M-[\M-k\M-D\^W\^C?\M^I)\^\\M^R*B5|\M-'\f\^\\M^H\M-2\M-fQ\
\M-.\M-b\^T\M-,OF\f\M-]\M-j\M-:\M-F\M-FI\M-Me\M-b\M-oR\^N)I\M^Y\M-D8\
\^C\M^U\M^G[W\M-d9:\M^T\M-N'\M-9\M-N\M-3\M-H\M-'L\^A\M^T\M-).\M^W\M-W\
\M-<J\M-q\M-E\M-$f\M-&*\^AkUd@]\M-xG\^Y\^U\M-Lv\v;\^An]\M^^\M^Y1\M-Id\
\M-WUNijm\M-_\M-5&\v\M^]NC\^W\M-s\M^H\M-Xh|\M-%\^XK\fF\M-V\^W\M-L\M-\#\
l\M^N\M-?\M-J\M^R.\M^M\M-b\M-<Jk\M^C\M^B\M-y\M-rbv\M-TG\M^FA]\M-@\^O\
\^Z0X\0Jr\b\M^R9\M-*e\M-(\M-;\M-*\M-2M\f\M-:\M-l%C\M-P\"\M-MW\^S\M^Z5\
\M-$\M-B\^X\M^I\M^A\M^G\M^T\^\\M^P9\^U\M^B\M-)\M^D\^YFXT\M-#\M-WB\M-!\
\M^R\M-X\M^DEW\M^Om\M-P\M-V\M-_\M-9\M^J\M-4e\^[!\a\M-N\^D\M-h6\M-c\M-k\
\M-$\M-,T\M-O\vu!c $a\M-3\M-\2z\M^R\vw\M-t\M-cA\M^_\M-1\M^Gb\M-a\
\M-^\M-2\M-h6:\M^I\^_\M-A\M^U\M-q\M-a\M^G2\M-@\"\M-Tp\M-S0 \M-0:y\
\M^J\^O\^X\^Vq\M^^\^Zl\M-^xq>\^B\M^?9\M-%\M-q\240\M-rw.Y\n\M^J\M^G\M-L\
\^]\M-@\M^[3\M-!\M^M\M-H\^D3\M^G\^Z\^]\^W\^^\M^?\^UpLe\M-r,\M-n^\M^Eq\
\M-{\M^J\^U\M-1"
27892 1 python2.7 RET recvfrom 11424/0x2ca0
27892 1 python2.7 CALL recvfrom(4,0xfffffffff5a06024,0xd360,0,0,0)
27892 1 python2.7 MISC msghdr: [name=0x0, namelen=0, iov=0x1b2c1bcc0, iovlen=1, control=0x0, controllen=0, flags=0]
27892 1 python2.7 GIO fd 4 read 0 bytes
""
27892 1 python2.7 RET recvfrom 0
27892 1 python2.7 CALL recvfrom(4,0xfffffffff5a9a024,0xd360,0,0,0)
27892 1 python2.7 MISC msghdr: [name=0x0, namelen=0, iov=0x1b2c1bcc0, iovlen=1, control=0x0, controllen=0, flags=0]
27892 1 python2.7 GIO fd 4 read 0 bytes
""
27892 1 python2.7 RET recvfrom 0
27892 1 python2.7 CALL write(7,0xfffffffff9102000,0x74)
27892 1 python2.7 GIO fd 7 wrote 116 bytes
"\0\^A\0\^A\0\0\0\0\0\0\0004\0\0\0003\0\0\0\0\0\0\0\0\M^?\M^?\M^?\M^?\
\M^?\M^?\M^?\M^?\M-a:\M^Q\^P\^A\M-7\^Z.#\M^Mqs\M^B4\M-0\^PQ\M^H'8\0\0\
\0\0\0\0\0\0\0\0\0\0u.hgignore\08310628bf23c7d040f4c4c395daa6595840c50\
9c\n"
27892 1 python2.7 RET write 116/0x74
27892 1 python2.7 CALL close(7)
27892 1 python2.7 RET close 0
27892 1 python2.7 CALL close(5)
27892 1 python2.7 RET close 0
27892 1 python2.7 CALL write(6,0xfffffffffb7de000,2)
27892 1 python2.7 GIO fd 6 wrote 2 bytes
"1\n"
27892 1 python2.7 RET write 2
27892 1 python2.7 CALL close(6)
27892 1 python2.7 RET close 0
27892 1 python2.7 CALL write(2,0xfffffffff6554d3c,0x13)
27892 1 python2.7 GIO fd 2 wrote 19 bytes
"transaction abort!\n"
27892 1 python2.7 RET write 19/0x13
From: Martin Husemann <martin@duskware.de>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: pkg/49490: "hg clone" does not work on big endian machines
Date: Sat, 10 Jan 2015 21:14:40 +0100
I traced the network traffic while taking a ktrace at the same time,
all running with a slightly modified py-mercurial, that would invoke
the python debugger once the problem happens - and also doing
hg --debug clone ...
If needed I can make the (significantly larger) full traces available, the
relevant tail of both is here:
http://www.netbsd.org/~martin/hg-clone-pcap.tar.bz2 (2.3 MB)
It seems the actual 0 byte return comes from a recvfrom(), the socket
connected to the http port seems to be fd 4:
12647 1 python2.7 CALL recvfrom(4,0xfffffffff60ae024,0x6a12,0,0,0)
12647 1 python2.7 MISC msghdr: [name=0x0, namelen=0, iov=0x1b2915cc0, iovlen=1, control=0x0, controllen=0, flags=0]
12647 1 python2.7 GIO fd 4 read 0 bytes
""
12647 1 python2.7 RET recvfrom 0
12647 1 python2.7 CALL recvfrom(4,0xfffffffff60ae024,0x6a12,0,0,0)
12647 1 python2.7 MISC msghdr: [name=0x0, namelen=0, iov=0x1b2915cc0, iovlen=1, control=0x0, controllen=0, flags=0]
12647 1 python2.7 GIO fd 4 read 0 bytes
""
12647 1 python2.7 RET recvfrom 0
[..]
and this imediately leeds to:
12647 1 python2.7 CALL write(2,0xfffffffff64f16e4,0x13)
12647 1 python2.7 GIO fd 2 wrote 19 bytes
"transaction abort!\n"
Martin
From: Julian Coleman <jdc@coris.org.uk>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: pkg/49490 ("hg clone" does not work on big endian machines)
Date: Sun, 11 Jan 2015 08:02:44 +0000
Hi,
> > hg clone https://hg.mozilla.org/mozilla-central/ firefox
...
> adding manifests
> transaction abort!
> rollback completed
> abort: connection ended unexpectedly
Running:
hg --debug clone http://hg.mozilla.org/mozilla-central firefox
gives a lot of changeset output, and fails in the same way on sparc64 for me:
...
changesets: 223055 chunks
add changeset bb8d6034f5f2
adding manifests
manifests: 1/223055 chunks (0.00%)
manifests: 2/223055 chunks (0.00%)
transaction abort!
rollback completed
abort: connection ended unexpectedly
This was with:
sparc64 6.99.33
python27-2.7.6nb2
mercurial-2.9.1
Thanks,
J
--
My other computer runs NetBSD too - http://www.netbsd.org/
From: David Holland <dholland-pbugs@netbsd.org>
To: gnats-bugs@netbsd.org
Cc:
Subject: Re: pkg/49490: "hg clone" does not work on big endian machines
Date: Thu, 15 Jan 2015 19:29:30 +0000
(not sent to gnats)
------
From: Christos Zoulas <christos@astron.com
To: pkgsrc-bugs@NetBSD.org
Subject: Re: pkg/49490: "hg clone" does not work on big endian machines
Date: Sat, 10 Jan 2015 23:47:01 +0000 (UTC)
In article <20150110201501.26744A65BA@mollari.NetBSD.org>,
Martin Husemann <gnats-bugs@NetBSD.org> wrote:
>The following reply was made to PR pkg/49490; it has been noted by GNATS.
>
>From: Martin Husemann <martin@duskware.de>
>To: gnats-bugs@NetBSD.org
>Cc:
>Subject: Re: pkg/49490: "hg clone" does not work on big endian machines
>Date: Sat, 10 Jan 2015 21:14:40 +0100
>
> I traced the network traffic while taking a ktrace at the same time,
> all running with a slightly modified py-mercurial, that would invoke
> the python debugger once the problem happens - and also doing
> hg --debug clone ...
>
> If needed I can make the (significantly larger) full traces available, the
> relevant tail of both is here:
>
> http://www.netbsd.org/~martin/hg-clone-pcap.tar.bz2 (2.3 MB)
>
> It seems the actual 0 byte return comes from a recvfrom(), the socket
> connected to the http port seems to be fd 4:
>
> 12647 1 python2.7 CALL recvfrom(4,0xfffffffff60ae024,0x6a12,0,0,0)
> 12647 1 python2.7 MISC msghdr: [name=0x0, namelen=0,
>iov=0x1b2915cc0, iovlen=1, control=0x0, controllen=0, flags=0]
> 12647 1 python2.7 GIO fd 4 read 0 bytes
> ""
> 12647 1 python2.7 RET recvfrom 0
> 12647 1 python2.7 CALL recvfrom(4,0xfffffffff60ae024,0x6a12,0,0,0)
> 12647 1 python2.7 MISC msghdr: [name=0x0, namelen=0,
>iov=0x1b2915cc0, iovlen=1, control=0x0, controllen=0, flags=0]
> 12647 1 python2.7 GIO fd 4 read 0 bytes
> ""
> 12647 1 python2.7 RET recvfrom 0
>
> [..]
> and this imediately leeds to:
>
> 12647 1 python2.7 CALL write(2,0xfffffffff64f16e4,0x13)
> 12647 1 python2.7 GIO fd 2 wrote 19 bytes
> "transaction abort!\n"
What happens on the sender side?
christos
State-Changed-From-To: open->closed
State-Changed-By: martin@NetBSD.org
State-Changed-When: Fri, 21 Sep 2018 13:14:47 +0000
State-Changed-Why:
This turned out to be some strange issue with a load balancer
at the mozilla.org side.
It is unclear why some machines were more likely to be hit, but not really
investigatable from our side easily.
There was some off-list debugging with mozilla.org admins.
>Unformatted:
(Contact us)
$NetBSD: query-full-pr,v 1.43 2018/01/16 07:36:43 maya Exp $
$NetBSD: gnats_config.sh,v 1.9 2014/08/02 14:16:04 spz Exp $
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