Hi, I just got this panic I'd like to report. I was doing stuff in X, thus I cannot provide a DDB backtrace. Script started on Thu May 1 15:17:46 2003 root_at_wombat:/usr/obj/usr/home/stefan/freebsd/src/sys/WOMBAT 4 (0)# gdb -k kernel.debug /var/crash/vmcore.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: bremfree: removing a buffer not on a queue panic messages: --- panic: ffs_blkfree: freeing free block syncing disks, buffers remaining... panic: bremfree: removing a buffer not on a queue Uptime: 2h34m20s Dumping 255 MB ata0: resetting devices .. done 16 32[CTRL-C to abort] 48 64 80 96 112 128 144 160 176 192 208 224 240 --- Reading symbols from /boot/kernel/acpi.ko...done. Loaded symbols for /boot/kernel/acpi.ko Reading symbols from /boot/kernel/radeon.ko...done. Loaded symbols for /boot/kernel/radeon.ko #0 doadump () at /usr/home/stefan/freebsd/src/sys/kern/kern_shutdown.c:238 238 dumping++; (kgdb) bt #0 doadump () at /usr/home/stefan/freebsd/src/sys/kern/kern_shutdown.c:238 #1 0xc022bf33 in boot (howto=260) at /usr/home/stefan/freebsd/src/sys/kern/kern_shutdown.c:370 #2 0xc022c27b in panic () at /usr/home/stefan/freebsd/src/sys/kern/kern_shutdown.c:543 #3 0xc026fe62 in bremfreel (bp=0xc7743dd0) at /usr/home/stefan/freebsd/src/sys/kern/vfs_bio.c:648 #4 0xc026fd45 in bremfree (bp=0x0) at /usr/home/stefan/freebsd/src/sys/kern/vfs_bio.c:630 #5 0xc02797f8 in vop_stdfsync (ap=0xcdc7b9f0) at /usr/home/stefan/freebsd/src/sys/kern/vfs_default.c:757 #6 0xc01f31a0 in spec_fsync (ap=0xcdc7b9f0) at /usr/home/stefan/freebsd/src/sys/fs/specfs/spec_vnops.c:418 #7 0xc01f25c8 in spec_vnoperate (ap=0x0) at /usr/home/stefan/freebsd/src/sys/fs/specfs/spec_vnops.c:123 #8 0xc031f62d in ffs_sync (mp=0xc26c9200, waitfor=2, cred=0xc0eb3e80, td=0xc042f440) at vnode_if.h:612 #9 0xc02857fb in sync (td=0xc042f440, uap=0x0) at /usr/home/stefan/freebsd/src/sys/kern/vfs_syscalls.c:137 #10 0xc022ba93 in boot (howto=256) at /usr/home/stefan/freebsd/src/sys/kern/kern_shutdown.c:279 #11 0xc022c27b in panic () at /usr/home/stefan/freebsd/src/sys/kern/kern_shutdown.c:543 ---Type <return> to continue, or q <return> to quit--- #12 0xc030759a in ffs_blkfree (fs=0xc2789800, devvp=0xc272436c, bno=852096, size=16384, inum=5304) at /usr/home/stefan/freebsd/src/sys/ufs/ffs/ffs_alloc.c:1768 #13 0xc031758f in indir_trunc (freeblks=0xc31e9800, dbn=3405760, level=0, lbn=12, countp=0xcdc7bc10) at /usr/home/stefan/freebsd/src/sys/ufs/ffs/ffs_softdep.c:2615 #14 0xc0317025 in handle_workitem_freeblocks (freeblks=0xc31e9800, flags=0) at /usr/home/stefan/freebsd/src/sys/ufs/ffs/ffs_softdep.c:2480 #15 0xc031418a in process_worklist_item (matchmnt=0x0, flags=0) at /usr/home/stefan/freebsd/src/sys/ufs/ffs/ffs_softdep.c:756 #16 0xc0313eb0 in softdep_process_worklist (matchmnt=0x0) at /usr/home/stefan/freebsd/src/sys/ufs/ffs/ffs_softdep.c:622 #17 0xc0281ebe in sched_sync () at /usr/home/stefan/freebsd/src/sys/kern/vfs_subr.c:1757 #18 0xc0217830 in fork_exit (callout=0xc0281bd0 <sched_sync>, arg=0x0, frame=0x0) at /usr/home/stefan/freebsd/src/sys/kern/kern_fork.c:795 (kgdb) f 12 #12 0xc030759a in ffs_blkfree (fs=0xc2789800, devvp=0xc272436c, bno=852096, size=16384, inum=5304) at /usr/home/stefan/freebsd/src/sys/ufs/ffs/ffs_alloc.c:1768 1768 panic("ffs_blkfree: freeing free frag"); (kgdb) l 1763 for (i = 0; i < frags; i++) { 1764 if (isset(blksfree, cgbno + i)) { 1765 printf("dev = %s, block = %jd, fs = %s\n", 1766 devtoname(dev), (intmax_t)(bno + i), 1767 fs->fs_fsmnt); 1768 panic("ffs_blkfree: freeing free frag"); 1769 } 1770 setbit(blksfree, cgbno + i); 1771 } 1772 cgp->cg_cs.cs_nffree += i; (kgdb) info locals cgp = (struct cg *) 0xc867b000 bp = (struct buf *) 0xc7743dd0 fragno = 663 cgbno = 5304 cgblkno = -3618720706253235200 i = 663 error = 0 cg = 9 blk = 0 frags = -1032699028 bbase = -948854032 blksfree = (u_int8_t *) 0xc867bc28 "ÿ" dev = (struct cdev *) 0xc26cdc00 (kgdb) p *fs $1 = {fs_firstfield = 0, fs_unused_1 = 0, fs_sblkno = 40, fs_cblkno = 48, fs_iblkno = 56, fs_dblkno = 3000, fs_old_cgoffset = 0, fs_old_cgmask = 0, fs_old_time = 0, fs_old_size = 0, fs_old_dsize = 0, fs_ncg = 52, fs_bsize = 16384, fs_fsize = 2048, fs_frag = 8, fs_minfree = 8, fs_old_rotdelay = 0, fs_old_rps = 0, fs_bmask = -16384, fs_fmask = -2048, fs_bshift = 14, fs_fshift = 11, fs_maxcontig = 8, fs_maxbpg = 2048, fs_fragshift = 3, fs_fsbtodb = 2, fs_sbsize = 2048, fs_spare1 = {0, 0}, fs_nindir = 2048, fs_inopb = 64, fs_old_nspf = 0, fs_optim = 0, fs_old_npsect = 0, fs_old_interleave = 0, fs_old_trackskew = 0, fs_id = { 1049820160, 865521459}, fs_old_csaddr = 0, fs_cssize = 2048, fs_cgsize = 16384, fs_spare2 = 0, fs_old_nsect = 0, fs_old_spc = 0, fs_old_ncyl = 0, fs_old_cpg = 0, fs_ipg = 23552, fs_fpg = 94088, fs_old_cstotal = {cs_ndir = 0, cs_nbfree = 0, cs_nifree = 0, cs_nffree = 0}, fs_fmod = 1 '\001', fs_clean = 0 '\0', fs_ronly = 0 '\0', fs_old_flags = -128 '\200', fs_fsmnt = "/usr/home", '\0' <repeats 458 times>, fs_volname = '\0' <repeats 31 times>, fs_swuid = 0, fs_pad = 0, fs_cgrotor = 32, fs_ocsp = {0x0 <repeats 28 times>}, fs_contigdirs = 0xc26418d0 "", fs_csp = 0xc2641000, fs_maxcluster = 0xc2641800, fs_active = 0x0, fs_old_cpc = 0, fs_maxbsize = 16384, fs_sparecon64 = {0 <repeats 17 times>}, fs_sblockloc = 65536, fs_cstotal = {cs_ndir = 38596, cs_nbfree = 438709, cs_nifree = 998225, cs_nffree = 9262, cs_numclusters = 0, cs_spare = {0, ---Type <return> to continue, or q <return> to quit--- 0, 0}}, fs_time = 1051791990, fs_size = 4828884, fs_dsize = 4674923, fs_csaddr = 3000, fs_pendingblocks = 1048, fs_pendinginodes = 1, fs_snapinum = {0 <repeats 20 times>}, fs_avgfilesize = 16384, fs_avgfpdir = 64, fs_save_cgsize = 0, fs_sparecon32 = { 0 <repeats 26 times>}, fs_flags = 2, fs_contigsumsize = 8, fs_maxsymlinklen = 120, fs_old_inodefmt = 0, fs_maxfilesize = 140806241583103, fs_qbmask = 16383, fs_qfmask = 2047, fs_state = 0, fs_old_postblformat = 0, fs_old_nrpos = 0, fs_spare5 = {0, 0}, fs_magic = 424935705} (kgdb) quit root_at_wombat:/usr/obj/usr/home/stefan/freebsd/src/sys/WOMBAT 5 (0)# dumpfs /usr/home | head -17 magic 19540119 (UFS2) time Thu May 1 15:28:58 2003 superblock location 65536 id [ 3e92fc00 3396cf33 ] ncg 52 size 4828884 blocks 4674923 bsize 16384 shift 14 mask 0xffffc000 fsize 2048 shift 11 mask 0xfffff800 frag 8 shift 3 fsbtodb 2 minfree 8% optim time symlinklen 120 maxbsize 16384 maxbpg 2048 maxcontig 8 contigsumsize 8 nbfree 438912 ndir 38596 nifree 998248 nffree 9272 bpg 11761 fpg 94088 ipg 23552 nindir 2048 inopb 64 maxfilesize 140806241583103 sbsize 2048 cgsize 16384 csaddr 3000 cssize 2048 sblkno 40 cblkno 48 iblkno 56 dblkno 3000 cgrotor 14 fmod 0 ronly 0 clean 0 flags soft-updates fsmnt /usr/home volname swuid 0 root_at_wombat:/usr/obj/usr/home/stefan/freebsd/src/sys/WOMBAT 6 (0)# exit Script done on Thu May 1 15:31:08 2003 The kernel sources are 2 days old. Any additional information wanted? Regards, Stefan FarfelederReceived on Thu May 01 2003 - 04:50:17 UTC
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