Got this panic on a uni-processor 4bsd kernel with sources of this morning (~8.30EST) upon attempting to reboot. --- panic: vrele: negative ref cnt Stack backtrace: panic: from debugger Uptime: 2m2s Dumping 255 MB 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 --- #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240 No locals. #1 0xc04b0d3c in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:372 No locals. #2 0xc04b1067 in panic () at /usr/src/sys/kern/kern_shutdown.c:550 td = (struct thread *) 0xc2c01d10 bootopt = 260 newpanic = 0 ap = 0xd2f369b0 "hjóÒRGDÀÔ\225ZÀ" buf = "vrele: negative ref cnt", '\0' <repeats 232 times> #3 0xc04447f2 in db_panic () at /usr/src/sys/ddb/db_command.c:450 No locals. #4 0xc0444752 in db_command (last_cmdp=0xc06288e0, cmd_table=0x0, aux_cmd_tablep=0xc06012fc, aux_cmd_tablep_end=0xc0601300) at /usr/src/sys/ddb/db_command.c:346 cmd = (struct command *) 0xc05d1d3c t = 0 modif = "\0\222bÀ(\034iÀøióÒ\r\0\0\0 \ahÀ\r\0\0\0\001\0\0\0\030jóÒfúYÀ`ífÀ\aK\0 $\bhÀ\0\037fÀ_at_\222bÀx\0\0\0_at_\222bÀ(\034iÀ<jóÒqfDÀÚã]À dDÀ\0\0\0\0\020\0\0\0(\034iÀ_at_\222bÀ\206]DÀ_at_\222bÀ\200\211bÀx\0\0\0\003\0\0" addr = -1067805228 count = -1 have_addr = 0 result = 0 #5 0xc0444895 in db_command_loop () at /usr/src/sys/ddb/db_command.c:472 No locals. #6 0xc0447895 in db_trap (type=3, code=0) at /usr/src/sys/ddb/db_trap.c:73 bkpt = 0 #7 0xc05a931c in kdb_trap (type=3, code=0, regs=0xd2f36b30) at /usr/src/sys/i386/i386/db_interface.c:171 ef = 70 ddb_mode = 1 #8 0xc05b9c5a in trap (frame= {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = 1, tf_esi = -1067508642, tf_ebp = -755799172, tf_isp = -755799204, tf_ebx = 0, tf_edx = 0, tf_ecx = 32, tf_eax = 18, tf_trapno = 3, tf_err = 0, tf_eip = -1067805228, tf_cs = 8, tf_eflags = 658, tf_esp = -1067471388, tf_ss = -1067534120}) at /usr/src/sys/i386/i386/trap.c:579 td = (struct thread *) 0xc2c01d10 p = (struct proc *) 0xc2cc15ac sticks = 3539168040 i = 0 ucode = 0 type = 3 code = 0 eva = 0 #9 0xc05aacc8 in calltrap () at {standard input}:102 No locals. #10 0xc04b0ff5 in panic (fmt=0xc05f1c5e "vrele: negative ref cnt") at /usr/src/sys/kern/kern_shutdown.c:534 td = (struct thread *) 0xc2c01d10 bootopt = 256 newpanic = 1 ap = 0x0 buf = "vrele: negative ref cnt", '\0' <repeats 232 times> #11 0xc050889e in vrele () at /usr/src/sys/kern/vfs_subr.c:2220 td = (struct thread *) 0xc2c01d10 #12 0xc055e569 in ffs_unmount (mp=0xc2a05000, mntflags=524288, td=0xc2c01d10) at /usr/src/sys/ufs/ffs/ffs_vfsops.c:997 ump = (struct ufsmount *) 0xc2a39800 fs = (struct fs *) 0xc2c01d10 error = -1029181440 flags = 0 #13 0xc0503f14 in dounmount (mp=0xc2a05000, flags=524288, td=0xc2c01d10) at /usr/src/sys/kern/vfs_mount.c:1339 coveredvp = (struct vnode *) 0x0 fsrootvp = (struct vnode *) 0xc2a7fc8c error = 0 async_flag = 0 #14 0xc050a12e in vfs_unmountall () at /usr/src/sys/kern/vfs_subr.c:3175 mp = (struct mount *) 0xc2a05000 td = (struct thread *) 0xc2c01d10 error = 0 #15 0xc04b0c49 in boot (howto=0) at /usr/src/sys/kern/kern_shutdown.c:357 bp = (struct buf *) 0xc7b12fe8 iter = 2 nbusy = 0 pbusy = 11 subiter = 0 #16 0xc04b0556 in reboot (td=0x0, uap=0x0) at /usr/src/sys/kern/kern_shutdown.c:178 error = 0 #17 0xc05ba570 in syscall (frame= {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 0, tf_esi = 0, tf_ebp = -1077937072, tf_isp = -755798668, tf_ebx = 2, tf_edx = -1, tf_ecx = 672426276, tf_eax = 55, tf_trapno = 12, tf_err = 2, tf_eip = 671765307, tf_cs = 31, tf_eflags = 582, tf_esp = -1077937140, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1009 params = 0xbfbffc10---Can't read userspace from dump, or kernel process--- --------------------------------------- Robin P. Blanchard Systems Integration Specialist Georgia Center for Continuing Education fon: 706.542.2404 < > fax: 706.542.6546 ---------------------------------------Received on Mon Oct 27 2003 - 10:42:59 UTC
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