On Sun, 5 Feb 2006, D'Arcy J.M. Cain wrote:

> I tried writing some files to DVD with growisofs as described in
> http://www.mreriksson.net/blog/archive/15/ but I had a core dump due to
> an assert error in libpthread.  Here is the command and the result:
>
> $ growisofs -dvd-compat -Z /dev/rcd0d -J -R ~carol/DVD/
> [...]
> 99.47% done, estimate finish Sat Feb  4 16:51:54 2006
> 99.77% done, estimate finish Sat Feb  4 16:51:54 2006
> Total translation table size: 0
> Total rockridge attributes bytes: 359513
> Total directory bytes: 587776
> Path table size(bytes): 74
> Max brk space used 3cc2a4
> 1683930 extents written (3288 MB)
> builtin_dd: 1683936*2KB out @ average 3.9x1385KBps
> /dev/rcd0d: flushing cache
> /dev/rcd0d: updating RMA
> /dev/rcd0d: closing disc
> assertion "ret == 0" failed: file
> "/usr/NetBSD/cvs/src/lib/libpthread/pthread.c", line 174, function
> "pthread_init" Abort trap (core dumped)
>
> I thought it overloaded the capacity but the disk only had about 3.3GB
> on it at the end.  I tried a second DVD in case it was bad media but it
> failed too.
>
> -- 
> D'Arcy J.M. Cain <darcy@NetBSD.org>
> http://www.NetBSD.org/
>

Mmh, perhaps try to "export PTHREAD_DIAGASSERT=A" first, maybe this just 
helps. I often experience the pthread of NetBSD is kinda "strict" 
regarding thread (mis-)usage in client software (freeing locked mutex from 
distant thread e.g.).

-Florian