9.99.51 crash: kernel diagnostic assertion "ncp->nc_vp == vp" failed

[Thomas Klausner <wiz%NetBSD.org@localhost>]

Hi!

I've updated to last night's 9.99.51, started a bulk build and went to
sleep. It lasted about an hour or two, then it paniced with:

kernel diagnostic assertion "ncp->nc_vp == vp" failed: file "/usr/src/sys/kern/vfs_cache.c", line 798

I have a core file, but it has at least 11000 frames that look like this:

#3894 0xf000eef3f000eef3 in ?? ()
#3895 0xf000eef3f000eef3 in ?? ()
#3896 0xf000ff53f000ef57 in ?? ()
#3897 0xf000eef3f000eef3 in ?? ()
#3898 0xf000eef3f000e2c3 in ?? ()
#3899 0xf000ff54f000eef3 in ?? ()
#3900 0xf000322ff0003287 in ?? ()
#3901 0xf000e987f000fea5 in ?? ()
#3902 0xf000eef3f000eef3 in ?? ()
#3903 0xf000eef3f000eef3 in ?? ()

So I guess something went wrong writing or recovering it.
 Thomas