Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 1 Jul 2003 15:59:55 -0300 (ADT)
From:      "Marc G. Fournier" <scrappy@hub.org>
To:        David Schultz <das@freebsd.org>, freebsd-stable@freebsd.org, Ted Mittelstaedt <tedm@toybox.placo.com>
Subject:   Okay, looks like I might have a *good* one here ... inode hang
Message-ID:  <20030701155450.J67063@hub.org>

next in thread | raw e-mail | index | archive | help

neptune# ps -M vmcore.1 -N kernel.debug -axl | grep inode | wc -l
     961

and I have a vmcore to work on here !! :)

(kgdb) proc 99643
(kgdb) bt
#0  mi_switch () at machine/globals.h:119
#1  0x8014a1f9 in tsleep (ident=0x8a4ef600, priority=8, wmesg=0x80263d4a "inode", timo=0) at /usr/src/sys/kern/kern_synch.c:479
#2  0x80141507 in acquire (lkp=0x8a4ef600, extflags=16777280, wanted=1536) at /usr/src/sys/kern/kern_lock.c:147
#3  0x8014179c in lockmgr (lkp=0x8a4ef600, flags=16973826, interlkp=0xbde68aec, p=0xbf57b000) at /usr/src/sys/kern/kern_lock.c:355
#4  0x80172b73 in vop_stdlock (ap=0xbfc2dd1c) at /usr/src/sys/kern/vfs_default.c:256
#5  0x801f0955 in ufs_vnoperate (ap=0xbfc2dd1c) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2376
#6  0x8017d450 in vn_lock (vp=0xbde68a80, flags=131074, p=0xbf57b000) at vnode_if.h:861
#7  0x80173b1c in lookup (ndp=0xbfc2dec4) at /usr/src/sys/kern/vfs_lookup.c:301
#8  0x80173824 in namei (ndp=0xbfc2dec4) at /usr/src/sys/kern/vfs_lookup.c:153
#9  0x8017c867 in vn_open (ndp=0xbfc2dec4, fmode=1, cmode=420) at /usr/src/sys/kern/vfs_vnops.c:138
#10 0x8017899c in open (p=0xbf57b000, uap=0xbfc2df80) at /usr/src/sys/kern/vfs_syscalls.c:1029
#11 0x8023c485 in syscall2 (frame={tf_fs = 47, tf_es = 134610991, tf_ds = 2143223855, tf_edi = 4, tf_esi = 672253248, tf_ebp = 2143284976, tf_isp = -1077747756, tf_ebx = 672178060,
      tf_edx = 672253248, tf_ecx = 16, tf_eax = 5, tf_trapno = 12, tf_err = 2, tf_eip = 672086720, tf_cs = 31, tf_eflags = 535, tf_esp = 2143284932, tf_ss = 47})
    at /usr/src/sys/i386/i386/trap.c:1175
#12 0x802299ab in Xint0x80_syscall ()
#13 0x2807ac6c in ?? ()
#14 0x2807abf0 in ?? ()
#15 0x804acbd in ?? ()
#16 0x8049e1e in ?? ()

(kgdb) print *(struct lock *)0x8a4ef600
$1 = {lk_interlock = {lock_data = 0}, lk_flags = 2098240, lk_sharecount = 0, lk_waitcount = 958, lk_exclusivecount = 1, lk_prio = 8, lk_wmesg = 0x80263d4a "inode", lk_timo = 6,
  lk_lockholder = 79367}


(kgdb) proc 79367
(kgdb) bt
#0  mi_switch () at machine/globals.h:119
#1  0x8014a1f9 in tsleep (ident=0x8a4ef300, priority=8, wmesg=0x80263d4a "inode", timo=0) at /usr/src/sys/kern/kern_synch.c:479
#2  0x80141507 in acquire (lkp=0x8a4ef300, extflags=16777280, wanted=1536) at /usr/src/sys/kern/kern_lock.c:147
#3  0x8014179c in lockmgr (lkp=0x8a4ef300, flags=16842754, interlkp=0xbde68dec, p=0xbf57e5a0) at /usr/src/sys/kern/kern_lock.c:355
#4  0x80172b73 in vop_stdlock (ap=0xbf80ed44) at /usr/src/sys/kern/vfs_default.c:256
#5  0x801f0955 in ufs_vnoperate (ap=0xbf80ed44) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2376
#6  0x8017d450 in vn_lock (vp=0xbde68d80, flags=65538, p=0xbf57e5a0) at vnode_if.h:861
#7  0x80175d83 in vget (vp=0xbde68d80, flags=2, p=0xbf57e5a0) at /usr/src/sys/kern/vfs_subr.c:1539
#8  0x80170c1f in vfs_cache_lookup (ap=0xbf80ee00) at /usr/src/sys/kern/vfs_cache.c:494
#9  0x801f0955 in ufs_vnoperate (ap=0xbf80ee00) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2376
#10 0x80173d29 in lookup (ndp=0xbf80ee7c) at vnode_if.h:52
#11 0x80173824 in namei (ndp=0xbf80ee7c) at /usr/src/sys/kern/vfs_lookup.c:153
#12 0x80179ae9 in stat (p=0xbf57e5a0, uap=0xbf80ef80) at /usr/src/sys/kern/vfs_syscalls.c:1788
#13 0x8023c485 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 2143223855, tf_edi = 135990371, tf_esi = 135990312, tf_ebp = 2143287536, tf_isp = -1082069036, tf_ebx = 135990371,
      tf_edx = 135983160, tf_ecx = -61, tf_eax = 188, tf_trapno = 12, tf_err = 2, tf_eip = 672125504, tf_cs = 31, tf_eflags = 534, tf_esp = 2143287492, tf_ss = 47})
    at /usr/src/sys/i386/i386/trap.c:1175
#14 0x802299ab in Xint0x80_syscall ()
#15 0x806206c in ?? ()
#16 0x8062f4d in ?? ()
#17 0x806328c in ?? ()
#18 0x805c6b6 in ?? ()
#19 0x805c8ed in ?? ()
#20 0x805cb5c in ?? ()
#21 0x805d009 in ?? ()
#22 0x805d553 in ?? ()
#23 0x804fb36 in ?? ()


not sure why 15->23 are giving ??'s, but I have no kernel modules being
used, having compiled everything into the kernel:

neptune# kldstat
Id Refs Address    Size     Name
 1    1 0x80100000 215f60   kernel
neptune#




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030701155450.J67063>