In the past couple of days, I've had a couple of panics out of chgsbsize:

(kgdb) bt
#0  boot (howto=260) at ../../kern/kern_shutdown.c:303
#1  0xc01cbac9 in panic (fmt=0xc0380e6f "page fault") at ../../kern/kern_shutdown.c:553
#2  0xc0316466 in trap_fatal (frame=0xc038a5c4, eva=48) at ../../i386/i386/trap.c:951
#3  0xc0316119 in trap_pfault (frame=0xc038a5c4, usermode=0, eva=48) at 
../../i386/i386/trap.c:844
#4  0xc0315c8f in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi 
= -1033507840,
      tf_ebp = -1070029304, tf_isp = -1070029328, tf_ebx = -1069888396, tf_edx = 
6864928, tf_ecx = -808467136,
      tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1070853968, tf_cs = 8, 
tf_eflags = 66050,
      tf_esp = -1033507840, tf_ss = -1070029272}) at ../../i386/i386/trap.c:443
#5  0xc02c10b0 in acquire_lock (lk=0xc03acc74) at ../../ufs/ffs/ffs_softdep.c:263
#6  0xc02c4eac in softdep_update_inodeblock (ip=0xc265ec00, bp=0xc6c17f60, waitfor=0)
    at ../../ufs/ffs/ffs_softdep.c:3626
#7  0xc02bd9b1 in ffs_update (vp=0xcfcfc540, waitfor=0) at 
../../ufs/ffs/ffs_inode.c:107
#8  0xc02c9922 in ffs_fsync (ap=0xc038a6d4) at ../../ufs/ffs/ffs_vnops.c:289
#9  0xc02c8243 in ffs_sync (mp=0xc1a7be00, waitfor=2, cred=0xc0e39780, p=0xc03e0400) 
at vnode_if.h:537
#10 0xc01fdf19 in sync (p=0xc03e0400, uap=0x0) at ../../kern/vfs_syscalls.c:566
#11 0xc01cb4ff in boot (howto=256) at ../../kern/kern_shutdown.c:225
#12 0xc01cbac9 in panic (fmt=0xc0356920 "reducing sbsize: lost count, uid = %d") at 
../../kern/kern_shutdown.c:553
#13 0xc01c8d7b in chgsbsize (uid=50, diff=-17520, max=9223372036854775807) at 
../../kern/kern_proc.c:206
#14 0xc01ee6aa in sbrelease (sb=0xcdc091f4, so=0xcdc09180) at 
../../kern/uipc_socket2.c:453
#15 0xc01eb9fb in sofree (so=0xcdc09180) at ../../kern/uipc_socket.c:261
#16 0xc0221e0b in in_pcbdetach (inp=0xce1c3aa0) at ../../netinet/in_pcb.c:542
#17 0xc022c462 in tcp_close (tp=0xce1c3b60) at ../../netinet/tcp_subr.c:711
#18 0xc0229bf6 in tcp_input (m=0xc0e96500, off0=20, proto=6) at 
../../netinet/tcp_input.c:2012
#19 0xc02247ee in ip_input (m=0xc0e96500) at ../../netinet/ip_input.c:756
#20 0xc022484b in ipintr () at ../../netinet/ip_input.c:784
#21 0xc0309195 in swi_net_next ()


(kgdb) bt
#0  boot (howto=260) at ../../kern/kern_shutdown.c:303
#1  0xc01cbac9 in panic (fmt=0xc0380e6f "page fault") at ../../kern/kern_shutdown.c:553
#2  0xc0316466 in trap_fatal (frame=0xc038a728, eva=48) at ../../i386/i386/trap.c:951
#3  0xc0316119 in trap_pfault (frame=0xc038a728, usermode=0, eva=48) at 
../../i386/i386/trap.c:844
#4  0xc0315c8f in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi 
= 0, tf_ebp = -1070028948,
      tf_isp = -1070028972, tf_ebx = -1069888396, tf_edx = 6864928, tf_ecx = 
-1046781312, tf_eax = 0, tf_trapno = 12,
      tf_err = 0, tf_eip = -1070853968, tf_cs = 8, tf_eflags = 66050, tf_esp = 
-960338688, tf_ss = -1070028924})
    at ../../i386/i386/trap.c:443
#5  0xc02c10b0 in acquire_lock (lk=0xc03acc74) at ../../ufs/ffs/ffs_softdep.c:263
#6  0xc02c63a8 in softdep_count_dependencies (bp=0xc6c26500, wantcount=0) at 
../../ufs/ffs/ffs_softdep.c:4566
#7  0xc02c96fb in ffs_fsync (ap=0xc038a800) at ../../sys/buf.h:439
#8  0xc02c8243 in ffs_sync (mp=0xc1a7be00, waitfor=2, cred=0xc0e39780, p=0xc03e0400) 
at vnode_if.h:537
#9  0xc01fdf19 in sync (p=0xc03e0400, uap=0x0) at ../../kern/vfs_syscalls.c:566
#10 0xc01cb4ff in boot (howto=256) at ../../kern/kern_shutdown.c:225
#11 0xc01cbac9 in panic (fmt=0xc0356920 "reducing sbsize: lost count, uid = %d") at 
../../kern/kern_shutdown.c:553
#12 0xc01c8d7b in chgsbsize (uid=50, diff=-17424, max=9223372036854775807) at 
../../kern/kern_proc.c:206
#13 0xc01ee6aa in sbrelease (sb=0xcdc08674, so=0xcdc08600) at 
../../kern/uipc_socket2.c:453
#14 0xc01eb9fb in sofree (so=0xcdc08600) at ../../kern/uipc_socket.c:261
#15 0xc0221e0b in in_pcbdetach (inp=0xce1c0aa0) at ../../netinet/in_pcb.c:542
#16 0xc022c462 in tcp_close (tp=0xce1c0b60) at ../../netinet/tcp_subr.c:711
#17 0xc022cf76 in tcp_timer_2msl (xtp=0xce1c0b60) at ../../netinet/tcp_timer.c:212
#18 0xc01d2015 in softclock () at ../../kern/kern_timeout.c:131

This is out of a -CURRENT built some time round Mon Aug 28 16:17:04
CST(+9:30) 2000.  I haven't had any other problems, so it doesn't seem
to be a general problem.  Before I go looking in more detail, has
anybody else seen this, or do they have an idea what I should be
looking at?

Greg
--
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