brelse() panic

[Sascha Wildner]

I got a panic here which occured after I did:

# vnconfig -c -v /dev/vn0 dvd.iso
# mount_cd9660 -o ro /dev/vn0 /mnt
# cat /mnt/* >/dev/null
After discussing things on IRC with corecode, he came up with a fix that 
works for me (see the followup to this mail).

But now I get "File too large" for a couple of files (which are around 
660MB in size) on the ISO, but it no longer panics.

I'm still not sure if "cd9660" is the right type for a DVD. Can anyone 
confirm/deny that?

Sascha

P.S. For the interested, a dump is in ~swildner/crash/brelse.tbz on leaf.

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