Hi, since this weekend my highly loaded newsserver panics every few hours with the following traceback. Any ideas? 5.1-CURRENT FreeBSD 5.1-CURRENT #6: Mon Aug 4 21:54:06 CEST 2003 Stopped at pmap_remove_all+0x38: xchgl %edx,0(%eax) db> where pmap_remove_all(c0f73de0,40,0,f,c0d5e998) at pmap_remove_all+0x38 vfs_busy_pages(d28d1d48,1,db8a2000,e0ba7b18,c03599d9) at vfs_busy_pages+0x178 bwrite(d28d1d48,e0ba7bc8,c0257f2e,d28d1d48,d28d1e78) at bwrite+0x380 bawrite(d28d1d48,d28d1e78,18,c613a390,c6437b68) at bawrite+0x1c cluster_wbuild(c6437b68,4000,1c2,0,6) at cluster_wbuild+0x90e vfs_bio_awrite(d29fdc08,0,0,c613a390,e0ba7c78) at vfs_bio_awrite+0x25d ffs_fsync(e0ba7cc4,20002,c613a390,c03a38c0,0) at ffs_fsync+0x382 sched_sync(0,e0ba7d48,0,0,0) at sched_sync+0x204 fork_exit(c02620b0,0,e0ba7d48) at fork_exit+0xb1 fork_trampoline() at fork_trampoline+0x1a --- trap 0x1, eip = 0, esp = 0xe0ba7d7c, ebp = 0 --- Script started on Mon Aug 4 23:57:55 2003 [root_at_newscore crash]# gdb -k kernel.debug 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: from debugger panic messages: --- Fatal trap 12: page fault while in kernel mode cpuid = 2; lapic.id = 06000000 fault virtual address = 0xbfceea70 fault code = supervisor write, page not present instruction pointer = 0x8:0xc035d588 stack pointer = 0x10:0xe0ba7a98 frame pointer = 0x10:0xe0ba7ab0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 41 (syncer) panic: from debugger cpuid = 2; lapic.id = 06000000 Fatal trap 3: breakpoint instruction fault while in kernel mode cpuid = 2; lapic.id = 06000000 instruction pointer = 0x8:0xc0347b65 stack pointer = 0x10:0xe0ba7800 frame pointer = 0x10:0xe0ba780c code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = IOPL = 0 current process = 41 (syncer) panic: from debugger cpuid = 2; lapic.id = 06000000 boot() called on cpu#2 Uptime: 1h36m33s Dumping 1023 MB 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 352 368 384 400 416 432 448 464 480 496 512 528 544 560 576 592 608 624 640 656 672 688 704 720 736 752 768 784 800 816 832 848 864 880 896 912 928 944 960 976 992 1008 --- Reading symbols from /usr/obj/usr/src/sys/NEWSCORE/modules/usr/src/sys/modules/acpi/acpi.ko.debug...done. Loaded symbols for /usr/obj/usr/src/sys/NEWSCORE/modules/usr/src/sys/modules/acpi/acpi.ko.debug #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240 240 dumping++; (kgdb) wher bt full #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240 No locals. #1 0xc0203c61 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:372 No locals. #2 0xc02040b8 in panic () at /usr/src/sys/kern/kern_shutdown.c:550 td = (struct thread *) 0xc613a390 bootopt = 260 newpanic = 0 ap = 0xe0ba7850 "\byºà\222\222\024À\210Õ5À" buf = "from debugger", '\0' <repeats 242 times> #3 0xc0149332 in db_panic () at /usr/src/sys/ddb/db_command.c:450 No locals. #4 0xc0149292 in db_command (last_cmdp=0xc03e4a60, cmd_table=0xc03bb900, aux_cmd_tablep=0xc03b5fb8, aux_cmd_tablep_end=0xc03b5fbc) at /usr/src/sys/ddb/db_command.c:346 cmd = (struct command *) 0xc03799dc t = 0 modif = "\0S>À¨\204BÀ\230xºà\r\0\0\0 pAÀ\r\0\0\0\001\0\0\0¸xºà\226Ö3À V_at_À\aK\0 pAÀ_at_Ì?ÀÀS>Àx\0\0\0ÀS>À¨\204BÀÜxºàѱ\024À\f³8À\200¯\024À\0\0\0\0\020\0\0\0èxºàøxºà]¨\024À\f³8À¨\204BÀ\byºà\020\0\0" addr = -1070213752 count = 1 have_addr = 0 result = 0 #5 0xc01493d5 in db_command_loop () at /usr/src/sys/ddb/db_command.c:472 No locals. #6 0xc014c3f5 in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_trap.c:73 bkpt = 0 #7 0xc034785c in kdb_trap (type=12, code=0, regs=0xe0ba7a58) at /usr/src/sys/i386/i386/db_interface.c:172 ef = 582 ddb_mode = 1 #8 0xc0361c16 in trap_fatal (frame=0xe0ba7a58, eva=0) at /usr/src/sys/i386/i386/trap.c:816 code = 16 ---Type <return> to continue, or q <return> to quit--- type = 12 ss = 16 esp = 0 softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27, ssd_dpl = 0, ssd_p = 1, ssd_xx = 0, ssd_xx1 = 0, ssd_def32 = 1, ssd_gran = 1} #9 0xc03618c2 in trap_pfault (frame=0xe0ba7a58, usermode=0, eva=3218008688) at /usr/src/sys/i386/i386/trap.c:735 va = 3218006016 vm = (struct vmspace *) 0x0 map = 0x1 rv = 1 ftype = 2 '\002' td = (struct thread *) 0xc613a390 p = (struct proc *) 0xc6139d3c #10 0xc036141d in trap (frame= {tf_fs = -963313640, tf_es = 409075728, tf_ds = -474808304, tf_edi = -1057538592, tf_esi = 16, tf_ebp = -524649808, tf_isp = -524649852, tf_ebx = -1044790456, tf_edx = 0, tf_ecx = -474795080, tf_eax = -1076958608, tf_trapno = 12, tf_err = 2, tf_eip = -1070213752, tf_cs = 8, tf_eflags = 66118, tf_esp = -963262032, tf_ss = 1000980480}) at /usr/src/sys/i386/i386/trap.c:420 td = (struct thread *) 0xc613a390 p = (struct proc *) 0xc6139d3c sticks = 3323175824 i = 0 ucode = 0 type = 12 code = 2 eva = 3218008688 #11 0xc0349298 in calltrap () at {standard input}:103 No locals. #12 0xc0253a08 in vfs_busy_pages (bp=0xc0f73de0, clear_modify=1) at /usr/src/sys/kern/vfs_bio.c:3370 m = 0xc1b9c348 obj = 0x0 foff = 7438336 ---Type <return> to continue, or q <return> to quit--- i = 16 bogus = 0 #13 0xc024df20 in bwrite (bp=0xd28d1d48) at /usr/src/sys/kern/vfs_bio.c:859 oldflags = 1677721604 newbp = (struct buf *) 0xd298d638 #14 0xc024eb0c in bawrite (bp=0x0) at /usr/src/sys/kern/vfs_bio.c:1148 No locals. #15 0xc0257f2e in cluster_wbuild (vp=0xc6437b68, size=16384, start_lbn=456, len=6) at /usr/src/sys/kern/vfs_cluster.c:985 bp = (struct buf *) 0xd28d1d48 tbp = (struct buf *) 0xd298d638 i = 6 j = 4 totalwritten = 98304 dbsize = 32 #16 0xc02504dd in vfs_bio_awrite (bp=0xd29fdc08) at /usr/src/sys/kern/vfs_bio.c:1691 i = 6 j = 0 lblkno = 450 vp = (struct vnode *) 0xc6437b68 ncl = 0 nwritten = 0 size = 16384 maxcl = 8 #17 0xc02f6872 in ffs_fsync (ap=0xe0ba7cc4) at /usr/src/sys/ufs/ffs/ffs_vnops.c:268 vp = (struct vnode *) 0xc6437b68 ip = (struct inode *) 0xd29fdc08 bp = (struct buf *) 0xd29fdc08 nbp = (struct buf *) 0xd2b9cf00 error = 0 wait = 0 passes = 4 skipmeta = 0 ---Type <return> to continue, or q <return> to quit--- lbn = 456 #18 0xc02622b4 in sched_sync () at vnode_if.h:627 slp = (struct synclist *) 0xc61994ec vp = (struct vnode *) 0xc6437b68 mp = (struct mount *) 0xc636b200 starttime = 1060033156 td = (struct thread *) 0xc613a390 #19 0xc01ec621 in fork_exit (callout=0xc02620b0 <sched_sync>, arg=0x0, frame=0x0) at /usr/src/sys/kern/kern_fork.c:794 td = (struct thread *) 0x0 p = (struct proc *) 0xc6139d3c (kgdb) quit [root_at_newscore crash]# exit Script done on Mon Aug 4 23:58:35 2003 -- Lukas Ertl eMail: l.ertl_at_univie.ac.at UNIX Systemadministrator Tel.: (+43 1) 4277-14073 Vienna University Computer Center Fax.: (+43 1) 4277-9140 University of Vienna http://mailbox.univie.ac.at/~le/Received on Tue Aug 05 2003 - 02:12:54 UTC
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