On 9 Mar 2004, at 21:36, flag_at_oltrelinux.com wrote: > On Mon, Mar 08, 2004 at 12:10:40PM -0800, Peter Wemm wrote: >> >> This particular one was my fault, I believe it's been fixed. >> However, I >> also believe this particular LOR happens via other code paths that >> were >> not my fault. > > actually it's still there, and today (after a succesful > buildkernel/installkernel) i got eveen a solid freeze of my laptop > with this on my text console: > > panic: lockmgr: locking against myself at line 370 in file > /usr/src/sys/kern/kern_lock.c > [something else] I've just had one of these after 16 hours of uptime. At the time the system was at the console, in the middle of building kde3 (it had just unpacked the kdemultimedia port). I've included the backtrace below. If anyone wants any more (kernel.debug + the dump, for example) let me know. I'll be hanging around the channels that shall not be named today if anyone wants to go through this in realtime. N Script started on Thu Mar 11 09:32:26 2004 clan# gdb -k kernel.debug /var/crash/m[Kvmcore.0 GNU gdb 5.2.1 (FreeBSD) Copyright 2002 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-undermydesk-freebsd"... panic: lockmgr: locking against myself panic messages: --- panic: lockmgr: locking against myself at line 370 in file ../../../kern/kern_lock.c cpuid = 0; Debugger("panic") panic: from debugger at line 453 in file ../../../ddb/db_command.ccpuid = 0; boot() called on cpu#0 Uptime: 16h22m45s Dumping 511 MB 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 352 368 384 400 416 432 448 464 480 496 --- Reading symbols from /boot/kernel/snd_mss.ko...done. Loaded symbols for /boot/kernel/snd_mss.ko Reading symbols from /boot/kernel/snd_pcm.ko...done. Loaded symbols for /boot/kernel/snd_pcm.ko Reading symbols from /local/1/usr/src/sys/i386/compile/CLAN/modules/local/1/usr/src/sys/ modules/acpi/acpi.ko...done. Loaded symbols for /local/1/usr/src/sys/i386/compile/CLAN/modules/local/1/usr/src/sys/ modules/acpi/acpi.ko Reading symbols from /local/1/usr/src/sys/i386/compile/CLAN/modules/local/1/usr/src/sys/ modules/nfsserver/nfsserver.ko.debug...done. Loaded symbols for /local/1/usr/src/sys/i386/compile/CLAN/modules/local/1/usr/src/sys/ modules/nfsserver/nfsserver.ko.debug Reading symbols from /local/1/usr/src/sys/i386/compile/CLAN/modules/local/1/usr/src/sys/ modules/linux/linux.ko.debug...done. Loaded symbols for /local/1/usr/src/sys/i386/compile/CLAN/modules/local/1/usr/src/sys/ modules/linux/linux.ko.debug #0 doadump () at ../../../kern/kern_shutdown.c:240 240 dumping++; (kgdb) backtrace #0 doadump () at ../../../kern/kern_shutdown.c:240 #1 0xc051ab0f in boot (howto=260) at ../../../kern/kern_shutdown.c:374 #2 0xc051af7b in __panic () at ../../../kern/kern_shutdown.c:552 #3 0xc0445b42 in db_panic () at ../../../ddb/db_command.c:453 #4 0xc0445a92 in db_command (last_cmdp=0xc06f96e0, cmd_table=0x0, aux_cmd_tablep=0xc06c6cc4, aux_cmd_tablep_end=0xc06c6cc8) at ../../../ddb/db_command.c:348 #5 0xc0445be5 in db_command_loop () at ../../../ddb/db_command.c:475 #6 0xc0448da5 in db_trap (type=3, code=0) at ../../../ddb/db_trap.c:73 #7 0xc06582ec in kdb_trap (type=3, code=0, regs=0xdda752d0) at ../../../i386/i386/db_interface.c:171 #8 0xc066db5c in trap (frame= {tf_fs = 24, tf_es = -1047003120, tf_ds = 16, tf_edi = -1066738309, tf_esi = 1, tf_ebp = -576236772, tf_isp = -576236804, tf_ebx = 0, tf_edx = 0, tf_ecx = -1056882688, tf_eax = 18, tf_trapno = 3, tf_err = 0, tf_eip = -1067088379, tf_cs = 8, tf_eflags = 658, tf_esp = -1066666039, tf_ss = -1066733316}) at ../../../i386/i386/trap.c:579 #9 0xc0658605 in Debugger (msg=0x0) at machine/cpufunc.h:60 #10 0xc051aed2 in __panic (file=0xc06addd9 "../../../kern/kern_lock.c", line=370, fmt=0xc06add7b "lockmgr: locking against myself") at ../../../kern/kern_shutdown.c:536 #11 0xc050cc95 in lockmgr (lkp=0xce8f1f14, flags=34144290, interlkp=0x2000020, td=0xc4a13540) at ../../../kern/kern_lock.c:439 ---Type <return> to continue, or q <return> to quit--- #12 0xc056d9d9 in getblk (vp=0xc467db2c, blkno=7150880, size=16384, slpflag=0, slptimeo=0, flags=0) at machine/pcpu.h:156 #13 0xc0569102 in breadn (vp=0xc467db2c, blkno=0, size=0, rablkno=0x0, rabsize=0x0, cnt=0, cred=0x0, bpp=0x0) at ../../../kern/vfs_bio.c:700 #14 0xc05690ac in bread (vp=0x0, blkno=0, size=0, cred=0x0, bpp=0x0) at ../../../kern/vfs_bio.c:682 #15 0xc05e99ff in ffs_alloccg (ip=0xc4699000, cg=19, bpref=1787680, size=16384) at ../../../ufs/ffs/ffs_alloc.c:1287 #16 0xc05e9447 in ffs_hashalloc (ip=0xc4699000, cg=19, pref=0, size=16384, allocator=0xc05e9910 <ffs_alloccg>) at ../../../ufs/ffs/ffs_alloc.c:1155 #17 0xc05e72c2 in ffs_alloc (ip=0xc4699000, lbn=223468, bpref=1787680, size=16384, cred=0xc1976200, bnp=0xdda75610) at ../../../ufs/ffs/ffs_alloc.c:157 #18 0xc05eeaf3 in ffs_balloc_ufs2 (vp=0xc4698b2c, startoffset=0, size=16384, cred=0xc1976200, flags=0, bpp=0xdda75720) at ../../../ufs/ffs/ffs_balloc.c:774 #19 0xc05f7aa0 in ffs_copyonwrite (devvp=0xc467db2c, bp=0xce848618) at ../../../ufs/ffs/ffs_snapshot.c:2035 #20 0xc04deab2 in spec_xstrategy (vp=0xc467db2c, bp=0xce848618) at ../../../fs/specfs/spec_vnops.c:493 #21 0xc04debab in spec_specstrategy (ap=0x0) at ../../../fs/specfs/spec_vnops.c:553 #22 0xc04ddc18 in spec_vnoperate (ap=0x0) ---Type <return> to continue, or q <return> to quit--- at ../../../fs/specfs/spec_vnops.c:122 #23 0xc0569934 in bwrite (bp=0xce848618) at vnode_if.h:1141 #24 0xc056a42c in bawrite (bp=0x0) at ../../../kern/vfs_bio.c:1150 #25 0xc05ea8fa in ffs_nodealloccg (ip=0xc5aadc94, cg=19, ipref=65, mode=33188) at ../../../ufs/ffs/ffs_alloc.c:1637 #26 0xc05e9447 in ffs_hashalloc (ip=0xc5aadc94, cg=19, pref=0, size=33188, allocator=0xc05ea380 <ffs_nodealloccg>) at ../../../ufs/ffs/ffs_alloc.c:1155 #27 0xc05e8b69 in ffs_valloc (pvp=0xc66a0410, mode=33188, cred=0xc48d2600, vpp=0xdda75908) at ../../../ufs/ffs/ffs_alloc.c:857 #28 0xc0613bbf in ufs_makeinode (mode=33188, dvp=0xc66a0410, vpp=0xdda75bf0, cnp=0xdda75c04) at ../../../ufs/ufs/ufs_vnops.c:2386 #29 0xc0610639 in ufs_create (ap=0xdda75a70) at ../../../ufs/ufs/ufs_vnops.c:200 #30 0xc0614168 in ufs_vnoperate (ap=0x0) at ../../../ufs/ufs/ufs_vnops.c:2822 #31 0xc058b0ee in vn_open_cred (ndp=0xdda75bdc, flagp=0xdda75cdc, cmode=420, cred=0xc48d2600, fdidx=0) at vnode_if.h:118 #32 0xc058af43 in vn_open (ndp=0x0, flagp=0x0, cmode=0, fdidx=0) at ../../../kern/vfs_vnops.c:93 #33 0xc0584098 in kern_open (td=0xc4a13540, path=0x0, pathseg=UIO_USERSPACE, flags=2562, mode=420) at ../../../kern/vfs_syscalls.c:971 #34 0xc0583fc0 in open (td=0x0, uap=0x0) at ../../../kern/vfs_syscalls.c:941 #35 0xc066e600 in syscall (frame= ---Type <return> to continue, or q <return> to quit--- {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 134672579, tf_esi = 2561, tf_ebp = -1077942136, tf_isp = -576234124, tf_ebx = 420, tf_edx = -19, tf_ecx = 67, tf_eax = 5, tf_trapno = 0, tf_err = 2, tf_eip = 672040575, tf_cs = 31, tf_eflags = 514, tf_esp = -1077942628, tf_ss = 47}) at ../../../i386/i386/trap.c:1008 #36 0x280e867f in ?? () ---Can't read userspace from dump, or kernel process--- (kgdb) q clan# ^Dexit Script done on Thu Mar 11 09:32:46 2004
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