Date: Fri, 22 Feb 2008 06:52:07 -0600 From: Alec Kloss <alec-keyword-freebsd.org.a6e2e4@SetFilePointer.com> To: Robert Watson <rwatson@FreeBSD.org> Cc: afs@FreeBSD.org, arla-drinkers@stacken.kth.se, Rasmus Kaj <kaj@kth.se> Subject: Re: Patches to get Arla running on FreeBSD 8-CURRENT Message-ID: <20080222125207.GD38141@hamlet.setfilepointer.com> In-Reply-To: <20080218012608.V96329@fledge.watson.org> References: <20080216035658.W93919@fledge.watson.org> <1203286882.16414.3.camel@heterodyne.kaj> <20080218012608.V96329@fledge.watson.org>
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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 =3D 0; apic id =3D 00
fault virtual address =3D 0x26c
fault code =3D supervisor read, page not present
instruction pointer =3D 0x20:0xc2a7f1fc
stack pointer =3D 0x28:0xcd412a40
frame pointer =3D 0x28:0xcd412a5c
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 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,cd4=
12ab4,c24f1700,c2783440,cd412aa0,...) at nnpfs_getattr_common+0xc
nnpfs_getattr(cd412aa0,0,c0b10208,cd412b48,cd412b28,...) at nnpfs_getattr+0=
x33
VOP_GETATTR_APV(c2a854a0,cd412aa0,c0bd91a0,c297b110,cd412ab4,...) at VOP_GE=
TATTR_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 =3D 0x281a3acb, esp =3D 0xbfbfe=
54c, ebp =3D 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 =3D 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. =20
--=20
Alec Kloss alec@SetFilePointer.com IM: angryspamhater@yahoo.com
PGP key at http://pgp.mit.edu:11371/pks/lookup?op=3Dget&search=3D0xA241980E
"No Bunny!" -- Simon, from Frisky Dingo
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