On Wed, 11 Mar 2009 20:11:59 -0500
Corey Minyard <miny...@acm.org> wrote:


> >  The next logic step was to try serial over lan. I've tried
> >  both ipmitool isol and the dell redirector software
> >  (dsm_bmu_solproxy32d).

> Try enabling cts/rts flow control.  At the login, do:
>    stty crtscts
> and that might solve the problem.  It works a lot better for me.
> 
> Depending on the getty you use, you can do this in /etc/inittab.  Do a 
> "man getty" to figure it out.

 thank you very much, that helped. I now configured grub to use
 the serial port and the kernel to have a console on both vga and serial.

 grub itself doesn't support enabling rtscts so it probably works because
 it has been enabled by the previous boot. 

 I can see most of the boot sequence, however the kernel must be disrupting
 the console redirection, even if I've set Redirection After Boot, 'cos I
 cannot see the all the output (no fsck or init.d scripts for example).

 according to the ipmitool output it should support speeds up to 115.2
   bit-rate                    9.6 | 19.2 | 38.4 | 57.6 | 115.2
 but setting them fails with
   Error setting ISOL parameter 'bit-rate': Parameter out of range

 that happens with Dell's redirector too so I guess is a limit of
 the BMC.

 well, this should be enough for an emergency

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it


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