Subject: Re: port-i386/28665: system drops to debugger when connecting via serial
To: None <>
From: Manuel Bouyer <>
List: netbsd-bugs
Date: 12/15/2004 19:42:49
On Wed, Dec 15, 2004 at 04:58:00AM +0000, wrote:
> Machine: i386   
> >Description:
> The system drops to debugger mode when I connect via serial console.  Here is the trace:                                                                
> cpu_Debugger(0,c0896e7c,c0896e50,c0355b45,c0974d00) at netbsd:cpu_Debugger+0x4  
> comintr(c0973600,0,8cbd0010,30,be30010) at netbsd:comintr+0x68a                 
> Xintr_legacy4() at netbsd:Xintr_legacy4+0xa4                                    
> --- interrupt ---                                                               
> cpu_switch(c07c97e0,0,c0896f48,c036f8ee,1) at netbsd:cpu_switch+0x9f            
> ltsleep(c07c9640,4,c06e83dc,0,0) at netbsd:ltsleep+0x323                        
> uvm_scheduler(c07c9620,0,c07d619c,c06cd1f8,0) at netbsd:uvm_scheduler+0x74      
> main(0,0,0,0,0) at netbsd:main+0x683                                            
> dump and dmesg can be found here:        
> >How-To-Repeat:
> Connect to system via serial console (minicom).

Are you sure minicom doesn't send a BREAK on the serial port when you connect ?
If so, that's why you get the debugger prompt. I suspect typing 'continue'
on the db> prompt will get your system going again.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference