Re: Patches to get Arla running on FreeBSD 8-CURRENT

Robert, I've been playing with your patches, etc. on 8-CURRENT.
I've been having to tweak up include/config.h a little so I wonder
if you missed a few autoconf things... but more important, running
"ls /afs" results in:

nnpfs: cdev: 0, syscall: 339


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x26c
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc2a7f1fc
stack pointer           = 0x28:0xcd412a40
frame pointer           = 0x28:0xcd412a5c
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 4822 (ls)
[thread pid 4822 tid 100176 ]
Stopped at      nnpfs_getattr_common+0xc:       movl
0x26c(%eax),%eax
db> bt
Tracing pid 4822 tid 100176 td 0xc2783440 nnpfs_getattr_common(c297b110,cd412ab4,c24f1700,c2783440,cd412aa0,...) at nnpfs_getattr_common+0xc
nnpfs_getattr(cd412aa0,0,c0b10208,cd412b48,cd412b28,...) at nnpfs_getattr+0x33
VOP_GETATTR_APV(c2a854a0,cd412aa0,c0bd91a0,c297b110,cd412ab4,...) at VOP_GETATTR_APV+0xa5
vn_stat(c297b110,cd412b48,c24f1700,0,c2783440,...) at vn_stat+0x49
kern_stat(c2783440,8113138,0,cd412c18,c0c5d140,...) at kern_stat+0x81
stat(c2783440,cd412cfc,8,cd412d38,c0ba1e60,...) at stat+0x2f
syscall(cd412d38) at syscall+0x2b3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (188, FreeBSD ELF32, stat), eip = 0x281a3acb, esp = 0xbfbfe54c, ebp = 0xbfbfe5d8 ---
db>

If I'me reading this (and nnpfs_vnodeops_common.c) right, this is
probably a NULL value for (xn or perhaps vap) in

        *vap = xn->attr;

(line 765) Any thoughts?  Or tips on what I can do to help?  I
don't have gdb ready to go yet---but I probably can this weekend.  

-- 
Alec Kloss  [email protected]   IM: [email protected]
PGP key at http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xA241980E
"No Bunny!" -- Simon, from Frisky Dingo

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