Date: Thu, 26 May 2005 17:21:27 -0400 (EDT) From: Charles Sprickman <spork@bway.net> To: freebsd-stable@freebsd.org Subject: 4.11 panic, help decode gdb output Message-ID: <Pine.OSX.4.61.0505261715170.383@gee5.nat.fasttrackmonkey.com>
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Hi, I had a 4.11 box panic today. Followed the example at http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-gdb.html to get the following info: FreeBSD miko.bway.net 4.11-RELEASE-p2 FreeBSD 4.11-RELEASE-p2 #6: Tue Apr 5 16:49:50 EDT 2005 spork@miko.bway.net:/usr/obj/usr/src/sys/MIKO i386 root@miko[/usr/obj/usr/src/sys/MIKO]# gdb -k kernel.debug /var/crash/vmcore.0 GNU gdb 4.18 (FreeBSD) Copyright 1998 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-unknown-freebsd"...Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line 2627 in elfstab_build_psymtabs Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line 933 in fill_symbuf IdlePTD at physical address 0x003de000 initial pcb at physical address 0x0033c6c0 panicstr: page fault panic messages: --- Fatal trap 12: page fault while in kernel mode fault virtual address = 0xf53958 fault code = supervisor read, page not present instruction pointer = 0x8:0xc0263384 stack pointer = 0x10:0xd70e6d24 frame pointer = 0x10:0xd70e6d38 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 = 307 (mysqld) interrupt mask = none trap number = 12 panic: page fault syncing disks... Fatal trap 12: page fault while in kernel mode fault virtual address = 0xabc694 fault code = supervisor read, page not present instruction pointer = 0x8:0xc01c1aaf stack pointer = 0x10:0xd70e6bcc frame pointer = 0x10:0xd70e6be8 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 = 307 (mysqld) interrupt mask = none trap number = 12 panic: page fault Uptime: 49d17h48m22s dumping to dev #ad/0x20001, offset 1048736 dump ata0: resetting devices .. done 511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 495 494 [snip] 8 7 6 5 4 3 2 1 0 y 18 14:38:56.279 EDT: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up <<-- ODD, a syslog message here??? --- #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487 487 if (dumping++) { (kgdb) list *0xc01c1aaf 0xc01c1aaf is in vfs_msync (/usr/src/sys/kern/vfs_subr.c:2710). warning: Source file is more recent than executable. 2705 int tries; 2706 2707 tries = 5; 2708 simple_lock(&mntvnode_slock); 2709 loop: 2710 for (vp = TAILQ_FIRST(&mp->mnt_nvnodelist); vp != NULL; vp = nvp) { 2711 if (vp->v_mount != mp) { 2712 if (--tries > 0) 2713 goto loop; 2714 break; (kgdb) backtrace #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487 #1 0xc0191c07 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:316 #2 0xc019202c in poweroff_wait (junk=0xc02fd5cc, howto=-1070608177) at /usr/src/sys/kern/kern_shutdown.c:595 #3 0xc02abe6e in trap_fatal (frame=0xd70e6b8c, eva=11257492) at /usr/src/sys/i386/i386/trap.c:974 #4 0xc02abb41 in trap_pfault (frame=0xd70e6b8c, usermode=0, eva=11257492) at /usr/src/sys/i386/i386/trap.c:867 #5 0xc02ab72b in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = 11257472, tf_esi = 5, tf_ebp = -686920728, tf_isp = -686920776, tf_ebx = 11257472, tf_edx = 0, tf_ecx = -1070252352, tf_eax = -1041269760, tf_trapno = 12, tf_err = 0, tf_eip = -1071899985, tf_cs = 8, tf_eflags = 66050, tf_esp = -1041269760, tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:466 #6 0xc01c1aaf in vfs_msync (mp=0xc1ef7c00, flags=2) at /usr/src/sys/kern/vfs_subr.c:2710 #7 0xc01c2a88 in sync (p=0xc0353ec0, uap=0x0) at /usr/src/sys/kern/vfs_syscalls.c:582 #8 0xc01919ca in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:235 #9 0xc019202c in poweroff_wait (junk=0xc02fd5cc, howto=-1070608177) at /usr/src/sys/kern/kern_shutdown.c:595 #10 0xc02abe6e in trap_fatal (frame=0xd70e6ce4, eva=16071000) at /usr/src/sys/i386/i386/trap.c:974 #11 0xc02abb41 in trap_pfault (frame=0xd70e6ce4, usermode=0, eva=16071000) at /usr/src/sys/i386/i386/trap.c:867 #12 0xc02ab72b in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = -685923648, tf_esi = -686920296, tf_ebp = -686920392, tf_isp = -686920432, tf_ebx = -1036461056, tf_edx = -685923648, tf_ecx = 34, tf_eax = 16070656, tf_trapno = 12, tf_err = 0, tf_eip = -1071238268, tf_cs = 8, tf_eflags = 66050, tf_esp = -1041196288, tf_ss = -685923648}) at /usr/src/sys/i386/i386/trap.c:466 #13 0xc0263384 in ufs_getattr (ap=0xd70e6d68) at /usr/src/sys/ufs/ufs/ufs_vnops.c:408 #14 0xc0265985 in ufs_vnoperate (ap=0xd70e6d68) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2376 #15 0xc020a9cb in nqsrv_getlease (vp=0xd71da2c0, duration=0xd70e6e24, flags=6, slp=0xffffffff, procp=0xd700b220, nam=0x0, cachablep=0xd70e6e28, frev=0xd70e6e2c, cred=0xc1ff2200) at vnode_if.h:276 #16 0xc020ae24 in nqnfs_vop_lease_check (ap=0xd70e6e64) at /usr/src/sys/nfs/nfs_nqlease.c:366 #17 0xc01bd945 in vop_defaultop (ap=0xd70e6e64) at /usr/src/sys/kern/vfs_default.c:152 #18 0xc0265985 in ufs_vnoperate (ap=0xd70e6e64) at /usr/src/sys/ufs/ufs/ufs_vnops.c:2376 #19 0xc01c7763 in vn_write (fp=0xc2068200, uio=0xd70e6ed4, cred=0xc1ff2200, ---Type <return> to continue, or q <return> to quit--- flags=0, p=0xd700b220) at vnode_if.h:392 #20 0xc01a100d in dofilewrite (p=0xd700b220, fp=0xc2068200, fd=14, buf=0xa449000, nbyte=118, offset=-1, flags=0) at /usr/src/sys/sys/file.h:163 #21 0xc01a0ec4 in write (p=0xd700b220, uap=0xd70e6f80) at /usr/src/sys/kern/sys_generic.c:329 #22 0xc02ac11d in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 172265472, tf_esi = 118, tf_ebp = -1103103308, tf_isp = -686919724, tf_ebx = 676124848, tf_edx = -1103102944, tf_ecx = 172265472, tf_eax = 4, tf_trapno = 7, tf_err = 2, tf_eip = 676932060, tf_cs = 31, tf_eflags = 663, tf_esp = -1103103368, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1175 #23 0xc02a0435 in Xint0x80_syscall () #24 0x82a9d10 in ?? () #25 0x82abbcf in ?? () #26 0x81028cc in ?? () #27 0x8103cad in ?? () #28 0x284c420b in ?? () (kgdb) quit >From what I remember about reading this stuff, this does not seem like hardware. What's next? Thanks, Charles ___ Charles Sprickman NetEng/SysAdmin Bway.net - New York's Best Internet - www.bway.net spork@bway.net - 212.655.9344
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