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DragonFly kernel List (threaded) for 2006-04
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Re: panic: VOP_STDCLOSE: BAD WRITECOUNT


From: "Eirik A. Nygaard" <eirikald@xxxxxxxxxxx>
Date: Thu, 6 Apr 2006 22:16:06 +0200
Mail-followup-to: Matthew Dillon <dillon@apollo.backplane.com>, kernel@crater.dragonflybsd.org

On Tue, Apr 04, 2006 at 09:32:10AM -0700, Matthew Dillon wrote:
> :Got this panic after upgrading to HEAD
> :
> :Unread portion of the kernel message buffer:
> :panic: VOP_STDCLOSE: BAD WRITECOUNT 0xc25ecb70 0
> 
>     I fixed that last evening.  Try updating again and see if it still
>     occurs.

Thoguth I had an up-to-date kernel, updated now. Getting a new panic and
everything.

I am running another dfly instance in qemu when this i happening.

Unread portion of the kernel message buffer:
panic: getblk: vnode 0xe5eedc50 has no object!

(kgdb) bt
#0  dumpsys () at thread.h:81
#1  0xc01c62aa in boot (howto=256) at
/home/eirik/devel/dragonflybsd/src/sys/kern/kern_shutdown.c:365
#2  0xc01c676a in panic (fmt=0xc03c0e68 "getblk: vnode %p has no object!")
    at /home/eirik/devel/dragonflybsd/src/sys/kern/kern_shutdown.c:679
#3  0xc01ffb7d in getblk (vp=0xe5eedc50, loffset=Unhandled dwarf expression
opcode 0x93
) at /home/eirik/devel/dragonflybsd/src/sys/kern/vfs_bio.c:2157
#4  0xc01fd767 in bread (vp=0xe5eedc50, loffset=Unhandled dwarf expression
opcode 0x93
) at /home/eirik/devel/dragonflybsd/src/sys/kern/vfs_bio.c:599
#5  0xc02d64b0 in ffs_read (ap=0x0) at ufs_readwrite.c:175
#6  0xc02198d4 in vop_read (ops=0x0, vp=0x0, uio=0x0, ioflag=0, cred=0x0)
    at /home/eirik/devel/dragonflybsd/src/sys/kern/vfs_vopops.c:506
#7  0xc0284559 in nfsrv_read (nfsd=0xc25b8070, slp=0xe5a529f0, td=0xcec11500,
mrq=0xe5a01a98)
    at /home/eirik/devel/dragonflybsd/src/sys/vfs/nfs/nfs_serv.c:910
#8  0xc029aad9 in nfssvc_nfsd (nsd=0xe5a01b04, argp=0x8084e40 <Address 0x8084e40
out of bounds>, td=0x0)
    at /home/eirik/devel/dragonflybsd/src/sys/vfs/nfs/nfs_syscalls.c:592
#9  0xc029a321 in nfssvc (uap=0xe5a01c24) at
/home/eirik/devel/dragonflybsd/src/sys/vfs/nfs/nfs_syscalls.c:308
#10 0xc0364887 in syscall2 (frame=
      {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 1, tf_esi = -1077937772,
tf_ebp = -1077937856, tf_isp = -442491532, tf_ebx = 0, tf_edx = 1, tf_ecx = 21,
tf_eax = 155, tf_trapno = 12, tf_err = 2, tf_eip = 134518560, tf_cs = 31,
tf_eflags = 646, tf_esp = -1077938308, tf_ss = 47})
    at /home/eirik/devel/dragonflybsd/src/sys/i386/i386/trap.c:1420
#11 0xc0350c4a in Xint0x80_syscall () at
/home/eirik/devel/dragonflybsd/src/sys/i386/i386/exception.s:852


Dump at:
http://www.pvv.ntnu.no/~eirikald/dfly/unread-portion/

-- 
Eirik Nygaard



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