su problem

[Mark Saad]

On Jun 9, 2012, at 2:45 PM, Sami Halabi <sodynet1 at gmail.com> wrote:

> Hi,
> 
> %sysctl kern.console
> kern.console: ttyv0,dcons,/dcons,ttyv0,uart,ucom,
> 
> %tail /var/log/messages
> Jun  7 19:54:35 vps16 kernel: Trying to mount root from ufs:/dev/da0s1a
> Jun  7 19:54:36 vps16 kernel: bge0: link state changed to UP
> Jun  7 20:18:04 vps16 kernel: ugen0.2: <vendor 0x09da> at usbus0
> Jun  7 20:18:04 vps16 kernel: ukbd0: <vendor 0x09da USB Keyboard, class
> 0/0, rev 1.10/2.50, addr 2> on usbus0
> Jun  7 20:18:04 vps16 kernel: kbd2 at ukbd0
> Jun  7 20:18:05 vps16 kernel: uhid0: <vendor 0x09da USB Keyboard, class
> 0/0, rev 1.10/2.50, addr 2> on usbus0
> Jun  7 20:19:37 vps16 login: ROOT LOGIN (root) ON ttyv1
> Jun  7 20:21:19 vps16 kernel: ugen0.2: <vendor 0x09da> at usbus0
> (disconnected)
> Jun  7 20:21:19 vps16 kernel: ukbd0: at uhub0, port 1, addr 2 (disconnected)
> Jun  7 20:21:19 vps16 kernel: uhid0: at uhub0, port 1, addr 2 (disconnected)
> %
> 
> the system was loaded with keyboard and disconnected later if i understand
> the logs...
> 
> New ideas are appreciated, and thanks in advance,
> Sami
> 
> On Sat, Jun 9, 2012 at 7:42 PM, Eugene Grosbein <egrosbein at rdtc.ru> wrote:
> 
>> 09.06.2012 19:47, Sami Halabi пишет:
>>> %su -
>>> Password:
>>> load: 0.00  cmd: su 30588 [ttydcd] 0.91r 0.00u 0.00s 0% 2092k
>> 
>> Perpaps, your system had no keyboard attached at boot time;
>> or for some other reason it booted with /dev/console being serial console
>> instead of vidconsole. su locks trying to access serial console
>> that is /dev/ttyd0 by default and has Carrier Detect flag enabled.
>> Hence, it waits for CD on the first serial port (miserably and hopelessly).
>> 
>> You can check if it's true with "sysctl kern.console" command.
>> You could ask someone to boot the system with keyboard attached -
>> no need to type anything, though. The system should detect it
>> and assingn /dev/ttyv0 as /dev/console instead of /dev/ttyd0.
>> And "su" won't lock.
>> 
>> Eugene Grosbein
>> 
> 
> 
> 
> -- 
> Sami Halabi
> Information Systems Engineer
> NMS Projects Expert
> FreeBSD SysAdmin Expert
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Check the permissions on the su binary it could be missing the suid but.

---
Mark saad | mark.saad at longcount.org