Date: Wed, 03 Jan 1996 01:07:06 -0800 From: gpalmer@westhill.cdrom.com To: freebsd-stable@freebsd.org Subject: Another 2.1 panic :-( Message-ID: <8926.820660026@westhill.cdrom.com>
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Hi guys.
Same machine, different panic:
IdlePTD 1f3000
current pcb at 1ca3e0
panic: ufs_unlock NOT LOCKED
#0 boot (howto=260) at ../../i386/i386/machdep.c:892
892 dumppcb.pcb_ptd = rcr3();
(kgdb) bt
#0 boot (howto=260) at ../../i386/i386/machdep.c:892
#1 0xf0117e55 in panic (fmt=0xf010130c "from debugger")
at ../../kern/subr_prf.c:124
#2 0xf0101329 in db_panic (dummy1=-266753289, dummy2=0, dummy3=-1,
dummy4=0xefbffcb0 "") at ../../ddb/db_command.c:397
#3 0xf0101212 in db_command (last_cmdp=0xf01bbaf4, cmd_table=0xf01bb954)
at ../../ddb/db_command.c:281
#4 0xf0101391 in db_command_loop () at ../../ddb/db_command.c:419
#5 0xf0103e7c in db_trap (type=3, code=0) at ../../ddb/db_trap.c:72
#6 0xf019a8ce in kdb_trap (type=3, code=0, regs=0xefbffda0)
at ../../i386/i386/db_interface.c:120
#7 0xf01a2134 in trap (frame={tf_es = 16, tf_ds = 16, tf_edi = -245918080,
tf_esi = -245953024, tf_ebp = -272630300, tf_isp = -266753289,
tf_ebx = 256, tf_edx = -266753335, tf_ecx = 2000, tf_eax = -1,
tf_trapno = 3, tf_err = 0, tf_eip = -266753289, tf_cs = 8,
tf_eflags = 582, tf_esp = -266753351, tf_ss = -267289077})
at ../../i386/i386/trap.c:387
#8 0xf019b19d in calltrap ()
#9 0xf019aaf7 in Debugger (msg=0xf0117e0b "panic")
at ../../i386/i386/db_interface.c:257
#10 0xf0117e4f in panic (fmt=0xf0189004 "ufs_unlock NOT LOCKED")
at ../../kern/subr_prf.c:122
#11 0xf01890a5 in ufs_unlock (ap=0xefbffe24) at ../../ufs/ufs/ufs_vnops.c:1621
#12 0xf012ef46 in vput (vp=0xf1570e00) at ./vnode_if.h:618
#13 0xf01316ce in lstat (p=0xf13fad00, uap=0xefbfff94, retval=0xefbfff8c)
at ../../kern/vfs_syscalls.c:1271
#14 0xf01a2b1b in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 143630,
tf_esi = 200960, tf_ebp = -272638884, tf_isp = -272629788,
tf_ebx = 201028, tf_edx = 200956, tf_ecx = 201024, tf_eax = 190,
tf_trapno = 582, tf_err = 582, tf_eip = 38693, tf_cs = 31,
tf_eflags = 582, tf_esp = -272639004, tf_ss = 39})
at ../../i386/i386/trap.c:878
#15 0xf019b1eb in Xsyscall ()
#16 0x661e in ?? ()
#17 0x217e in ?? ()
#18 0x2115 in ?? ()
#19 0x10d3 in ?? ()
This is on a CDROM that was just mounted, and the command that seemed
to do it was a `ls' of the directory the CDROM was mounted on. I just
noticed that the twit which did this did:
cd /cdrom
ls
mount /cdrom
ls
<panic>
Still, it should not have happened...
Again, core file available.
Thanks
Gary
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