5.2RC heavily crashed by kaudiokreator

[Scott Long]

Harald Schmalzbauer wrote:
> Hi all,
> 
> I have a strange but reproducable problem with 5.2RC. With the first start of 
> kaudiokreator (a simple kde cdda ripper/encoder which uses kde builtin cd 
> routines afaik, no cdparanoia) everything is working fine.
> But when I restart the application (so it ran before) and select "refresh cd 
> contents" the machine reboots after a few seconds of total freeze (neither 
> the CAPS lock nor mouse etc is working).
> This is absolutely reproducable.
> 
> I don't get the kernel debuger although I compiled my kernel with the options:
> makeoptions     DEBUG=-g                #Build kernel with gdb(1) debug
> options         DDB
> 
> How can I get an idea where the problem could be?
> 
> And while I'm here I'd like to emhasize once again that hw.ata.atapi_dma is 
> not working. Although the sysctl reports it to be 1, "atacontrol mode" and 
> also dmesg while booting telling me that it's POI4.
> After "atacontrol mode 1 udma33 udma33" it's reported to be udma33.
> So the line hw.ata.atapi_dma="1" in /boot/loader.conf is useless (I have 
> checked that when I abort autoboot it really is set before booting)
> I posted this several times but never got an answer. Perhaps this should be 
> solved for 5.2-RELESE
> 
> Thanks,
> 
> -Harry

This is likely related to a problem in the GEOM layer that was fixed in
5.2-CURRENT a few days ago.  Would you be able to upgrade your sources
and try your test again?  I'd like to get some more confirmation that
the fix works before merging it back into 5.2.

Thanks!

Scott