DragonFly BSD
DragonFly kernel List (threaded) for 2004-08
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Re: starting cupsd causes DragonFly to freeze

From: Glenn Johnson <glennpj@xxxxxxxxxxx>
Date: Thu, 05 Aug 2004 21:15:27 -0500

On Thu, 2004-08-05 at 13:03, Matthew Dillon wrote:

> :On Wed, 2004-08-04 at 00:58, Chris Palmer wrote:
> :
> :> Glenn Johnson writes:
> :> 
> :> > When I start cupsd, the system immediately freezes. The prompt does
> :> > not return, no keyboard response, no mouse response, no network
> :> > access, and no error messages. The only way out is to press the reset
> :> > button and then clean up the file systems with fsck.
> :> 
> :> Awesome! Can you do ktrace?
> :
> :I tried. All I got was an empty ktrace.out file.
> :
>     I will attempt to reproduce this one today.
>     Try compiling DDB into the system (if it isn't already there) and
>     see if you can CTL-ALT-ESC into a debugger prompt (from a console, not
>     from X) when the lockup occurs.  If you can, type 'trace'.

Yes, I can do that.  Below is a hand transcription of the output
(hopefully without transcription errors) of the trace.

Debugger(c2e43a9) at Debugger+0x35
sgetc(c0354240,2,c15e18e0,c034c860,c03310000) at sgetc+0x40e
sckbdevent(c034c860,0,c0354240,c15e18e0,0) at sckbdevent+0x1c9
atkbd_intr(c034c860.0,d5286d50,c02a4947,c034c860) at atkbd_intr+0x23
atkbd_isa_intr(c034c860,63001496,0,4,d5286d84) at atkbd_isa_intr+0x18
intr_mux(c0353f04) at intr_mux+0x23
ithread_handler(1,0,0,0,0) at ithread_handler+0x7b
lwkt_exit() at lwkt_exit

Glenn Johnson <glennpj@xxxxxxxxxxx>

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