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Date: Tue, 2 Oct 2012 11:42:21 +0200
From: Antonio Quartulli <ordex@autistici.org>
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Subject: Re: [B.A.T.M.A.N.] reboot sometimes doesn't work well
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On Mon, Oct 01, 2012 at 07:21:01PM +0200, Gioacchino Mazzurco wrote:
> reboot is called by a script called through ssh
>=20
> > does it reboot succesfully,
> no it doesn't
>=20
> > or simply hangs in there, requiring a
> > manual power cycle?
> It hangs there but I lost connectivity the device became unreachable
> from ipv4 and also ipv6, also link local ipv6 is gone :|

well, what about removing the batman-adv module _before_ rebooting? In this=
 way
we can somehow move the problem.

(remember to do not connect via the mesh when you do this :-P)

ciao

>=20
>=20
> On 10/01/12 15:39, Gui Iribarren wrote:
> > On Mon, Oct 1, 2012 at 8:24 AM, Gioacchino Mazzurco <gio@eigenlab.org> =
wrote:
> >> Hi all!
> >>
> >> Some times ago' in ninux Pisa we was experiencing kernel powering off
> >> the machine caused by batman-adv, with ordex help we debugged what was
> >> happening and the issue was solved bat that was possible because it was
> >> happening on x86 computers ( with screen )
> >>
> >> Now it SEEMS the same is happening but on mips ( Ubiquity M devices )
> >> but here i don't know how to make sure the problem is this, the sympto=
ms
> >> is exactly the same, someone have idea how to save the powering off
> >> kernel output on some file so after detach/attach cable we can find wh=
at
> >> happened ?
> >=20
> > Your best option is getting a serial cable; you *might* try in
> > /etc/config/system to enable persistent syslog output, and make it
> > write to the flash , but no guarantees you'll catch the kernel panic
> > that way. Serial console definitely would.
> >=20
> > Does this happen every time?
> >> "on powering off"
> > you mean when you issue a "reboot" command through ssh, or what?
> > does it reboot succesfully, or simply hangs in there, requiring a
> > manual power cycle?
> >=20
> > We haven't come across anything similar, using this hardware:
> > tl-mr3020, tl-mr3220, tl-mr3420, tl-wr842nd, ubnt bullet2 , ubnt bullet=
 m2

--=20
Antonio Quartulli

=2E.each of us alone is worth nothing..
Ernesto "Che" Guevara

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