On Mon, Jul 07, 2008 at 07:17:26AM -0700, Andrzej Szeszo wrote:

> -bash-3.2# ./aa.d 
> dtrace: script './aa.d' matched 100 probes
> CPU FUNCTION                                 
>   0  -> lofi_ioctl                            
>   0    -> lofi_map_file                       
>   0      -> copy_in_lofi_ioctl                
>   0      <- copy_in_lofi_ioctl                       3698379008
>   0      -> valid_filename                    
>   0      <- valid_filename                                    0
>   0      -> free_lofi_ioctl                   
>   0      <- free_lofi_ioctl                               94347
>   0    <- lofi_map_file                                      22
>   0  <- lofi_ioctl                            
> 
> The file I'm trying to use as a disk image is stored on the local ZFS 
> filesystem at /export/disk.img.

My crystal ball tells me you're using OpenSolaris. It's shipping a
version of the lofi driver that isn't updated correctly (I thought that
was an internal problem only, but apparently not). If you download SXCE
and replace /kernel/drv/[amd64/]/lofi from that media, it should work

Can you file a bug on defect.opensolaris.org?

regards
john
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