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Date: Mon, 01 Oct 2012 19:21:01 +0200
From: Gioacchino Mazzurco <gio@eigenlab.org>
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Subject: Re: [B.A.T.M.A.N.] reboot sometimes doesn't work well
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reboot is called by a script called through ssh

> does it reboot succesfully,
no it doesn't

> 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 :|


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 symptoms
>> 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 what
>> happened ?
> 
> 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.
> 
> 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?
> 
> We haven't come across anything similar, using this hardware:
> tl-mr3020, tl-mr3220, tl-mr3420, tl-wr842nd, ubnt bullet2 , ubnt bullet m2