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Date:      Wed, 2 Jul 2014 17:59:28 -0700
From:      Tim Kientzle <tim@kientzle.com>
To:        FreeBSD ARM <freebsd-arm@freebsd.org>
Subject:   Re: svnlite segfaults a lot
Message-ID:  <87CAF73D-A744-472D-B9B0-BA2E5B2B8158@kientzle.com>
In-Reply-To: <20140702092041.716a7413@bender.lan>
References:  <201407010930.s619Uk9X006689@mech-cluster241.men.bris.ac.uk> <20140702092041.716a7413@bender.lan>

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On Jul 2, 2014, at 1:20 AM, Andrew Turner <andrew@fubar.geek.nz> wrote:

> On Tue, 1 Jul 2014 10:30:46 +0100 (BST)
> Anton Shterenlikht <mexas@bris.ac.uk> wrote:
>=20
>> # uname -a
>> FreeBSD raspberry-pi 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r267801:
>> Tue Jun 24 11:03:28 UTC 2014
>> root@grind.freebsd.org:/usr/obj/arm.armv6/usr/src/sys/RPI-B  arm
>>=20
>> I'm trying to pull the ports tree to rasp. pi model B.
>> svnlite up (or co) segfaults after pulling 1-5 MB.
>> Is this expected?
>>=20
>> I'm powering via a bench power supply, so I can
>> monitor the current. It is only about 400mA,
>> occasionally raising to maybe 450mA.
>> So my earlier suspicion, that an inadequate
>> power was to blame, was wrong.
>>=20
>> Anybody else seeing svnlite segfaults?
>=20
> Yes, however I never tracked it down. I found svn from ports to work =
as
> expected.

It wasn=92t this way a month or two ago when I used it last.

But I tried just now and it=92s pretty bad.  Trying to check out
http://svn.freebsd.org/base/head segfaults after a thousand or so
items (not always at the same point).   Of course, gdb doesn=92t
seem to be able to make any sense of the core file:

$ gdb /usr/bin/svnlite
...
(gdb) core svnlite.core
=85 loading many symbols ...
(gdb) bt
#0  0x0008dbac in ?? ()
(gdb)

=85

Trying to =93run update=94 from inside GDB immediately hits
SIGILL in _rtld_get_stack_prot()

Tim





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