Jason Wessel wrote:
> 
> You do have to make sure you issued the sysrq-g before you connect.  To
> debug such issues you need to also execute the following command prior
> to issuing the "target remote ...".

I specified "kgdbwait" instead.

> 
> set debug remote 1
> 
>> Has anyone seen this problem before? The kernel was 2.6.26-rc2 and
>> kgdb source was from kgdb-next about 3 weeks ago.
>>
>>   
> 
> I have only seen this sort of behavior if the kernel is not in "kgdb
> mode" when you connect.

I tried "telnet 128.162.244.107 7003" from another window, and the
terminal server returned:

  Trying 128.162.244.107...
  Connected to 128.162.244.107.
  Escape character is '^]'.

  *
  * * * ttyS3 is being used by (pid=20843) !!!
  *

  1 - Initiate a regular session
  2 - Initiate a sniff session
  3 - Send messages to another user
  4 - Kill session(s)
  5 - Quit

  Enter your option :

Looks like the Cyclades terminal server does not allow
more than one application to access the same port?

Thanks for helping me diagnose the problem.

Regards,
 - jay


> 
>> I used kgdboc at the boot line. When i tried to use kgdb8250, as
>> suggested by xianfeng, the boot stopped at loading initrd. Any extra
>> module i need to provide mkinitrd? I had CONFIG_KGDB_8250=y. (BTW,
>> thanks xianfeng, for your example!)
>>   
> 
> I am not aware of any particular case where the 8250_kgdb module is
> breaking down.  If you build it into the kernel as a built-in you should
> be able to specify it on the boot line.  Of course if you use the
> kgdb8250 driver it requires a dedicated serial port.
> 
> Jason.


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