Re: Panic on 5.2.1-p8 Current

On Mon, Jun 28, 2004 at 09:41:33AM -0300, Klaus Schneider wrote:
> I'm running FreeBSD with 2 NFS mounts over tcp, apache 1.3.31, 
> openwebmail(read/write on both nfs mounted filesystems, /var/mail 
> spooldir and webmail userdir) and proftpd.
> 
> # uname -a
> FreeBSD 5.2.1-RELEASE-p8 #3: Mon Jun 28 07:18:32 BRT 2004
> 
> src-all last updated at: Sat Jun 19 09:28:59 BRT 2004.
> 
> The problem occurs only when users access the openwebmail, 
> reading/writing data on nfs mounted filesystems.
> [...]
> #15 0xc04f2f57 in panic () at ../../../kern/kern_shutdown.c:550
> #16 0xc05391f1 in bundirty (bp=0xd90341f0) at ../../../kern/vfs_bio.c:1122
> #17 0xc0539d1e in brelse (bp=0xd90341f0) at ../../../kern/vfs_bio.c:1441
> #18 0xc05915a8 in nfs_writebp (bp=0xd90341f0, force=1, td=0xccd77640) at ../../../nfsclient/nfs_vnops.c:2990
> #19 0xc0581bc3 in nfs_bwrite (bp=0x0) at machine/pcpu.h:156
> #20 0xc053be11 in getblk (vp=0xccd54c30, blkno=1, size=8192, slpflag=0, slptimeo=0, flags=0)
>     at ../../../kern/vfs_bio.c:2536
> #21 0xc0583c24 in nfs_getcacheblk (vp=0xccd54c30, bn=1, size=8192, td=0xccd77640)
>     at ../../../nfsclient/nfs_bio.c:1064
> #22 0xc0583780 in nfs_write (ap=0x0) at ../../../nfsclient/nfs_bio.c:874
> #23 0xc0557393 in vn_write (fp=0xcc997f68, uio=0xea036c80, active_cred=0xcdbc9700, flags=0, td=0xccd77640)
>     at vnode_if.h:432
> #24 0xc05198fb in dofilewrite (td=0xccd77640, fp=0xcc997f68, fd=0, buf=0x879a000, nbyte=0, offset=0, flags=0)
>     at ../../../sys/file.h:249
> #25 0xc051972e in write (td=0xccd77640, uap=0xea036d14) at ../../../kern/sys_generic.c:331
> #26 0xc062a3e0 in syscall (frame=
>       {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 142188544, tf_esi = 3, tf_ebp = -1077944360, tf_isp = -368874124, tf_ebx = 673177888, tf_edx = 4096, tf_ecx = 12, tf_eax = 4, tf_trapno = 22, tf_err = 2, tf_eip = 672674095, tf_cs = 31, tf_eflags = 531, tf_esp = -1077944420, tf_ss = 47}) at ../../../i386/i386/trap.c:1010
> #27 0xc061b21d in Xint0x80_syscall () at {standard input}:136

What queue is the buffer on that the system is panicking?  (What was
the panic message, or alternately, "p *bp" from the bundirty or brelse
frame in gdb leading up to the panic.

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green_at_FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\