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Re: [Xen-users] XenServer console displays bootup but can't receive keyboard input?


  • To: Pandu Poluan <pandu@xxxxxxxxxxx>
  • From: Melody Bliss <melodybliss@xxxxxxxxx>
  • Date: Thu, 24 Mar 2011 20:50:01 -0700
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 24 Mar 2011 20:50:50 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hrm. Interesting.

I believe hvc0 is your console on this VM and it looks like a getty is running.

Have you tried killing the agetty on hvc0 (process 4143). It should
respawn. If it doesn't, send a -HUP signal to init. That should force
init to re-read /etc/inittab and respawn missing processes.

You may need to trace the getty process and see what it's doing at the time.

Mel

On Thu, Mar 24, 2011 at 8:44 PM, Pandu Poluan <pandu@xxxxxxxxxxx> wrote:
> On Fri, Mar 25, 2011 at 02:56, Melody Bliss <melodybliss@xxxxxxxxx> wrote:
>> Check /etc/inittab. Do you still have a console device?
>>
>
> # TERMINALS
> #c1:12345:respawn:/sbin/agetty 38400 tty1 linux
> c1:12345:respawn:/sbin/agetty 38400 hvc0 linux
> c2:2345:respawn:/sbin/agetty 38400 tty2 linux
> c3:2345:respawn:/sbin/agetty 38400 tty3 linux
> #c4:2345:respawn:/sbin/agetty 38400 tty4 linux
> #c5:2345:respawn:/sbin/agetty 38400 tty5 linux
> #c6:2345:respawn:/sbin/agetty 38400 tty6 linux
>
>> When connected to the console, on another terminal, after logging in
>> via ssh, type "echo test > /dev/console"
>>
>> does test show up on the console connection? If so, the console is
>> connected, but getty may not be running on it.
>>
>
> "test" appeared
>
> ps aux | grep agetty returns:
>
> root      4143  0.0  0.1   5984   768 hvc0     Ss+  10:39   0:00
> /sbin/agetty 38400 hvc0 linux
> root      4144  0.0  0.1   5984   768 tty2     Ss+  10:39   0:00
> /sbin/agetty 38400 tty2 linux
> root      4145  0.0  0.1   5984   768 tty3     Ss+  10:39   0:00
> /sbin/agetty 38400 tty3 linux
>
>> We had a similar issue where the inittab somehow got
>> overwritten/modified that removed the console getty
>>
>> Mel
>>
>> On Thu, Mar 24, 2011 at 4:48 AM, Pandu Poluan <pandu@xxxxxxxxxxx> wrote:
>>> Hello!
>>>
>>> I'm currently trying to run Gentoo paravirtualized on XenServer.
>>>
>>> It *is* running... except that the XenServer console refused any
>>> input, so I can't login via the console.
>>>
>>> Login via SSH is okay, though.
>>>
>>> What makes me confused is that the console properly shows the bootup
>>> process, up to and including the "login:" prompt. But I can't type
>>> anything.
>>>
>>> What could be the problem?
>>>
>>> FYI, I am using Gentoo's hardened-sources
>>>
>>> Rgds,
>>> --
>>> Pandu E Poluan
>>> ~ IT Optimizer ~
>>> Visit my Blog: http://pepoluan.posterous.com
>>>
>>> _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-users
>>>
>>
>>
>>
>> --
>> Melody Bliss
>> Usenix, SAGE and LOPSA Charter Member
>> Patron Member of the NRA
>>
>
>
> --
> Pandu E Poluan
> ~ IT Optimizer ~
> Visit my Blog: http://pepoluan.posterous.com
>



-- 
Melody Bliss
Usenix, SAGE and LOPSA Charter Member
Patron Member of the NRA

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