From owner-freebsd-bugs Wed Jun 2 17: 0:13 1999 Delivered-To: freebsd-bugs@freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (Postfix) with ESMTP id 631731516F for ; Wed, 2 Jun 1999 17:00:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.9.3/8.9.2) id RAA11109; Wed, 2 Jun 1999 17:00:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Date: Wed, 2 Jun 1999 17:00:02 -0700 (PDT) Message-Id: <199906030000.RAA11109@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org Cc: From: Cy Schubert Subject: Re: kern/11993: panic: getnewbuf: inconsistent EMPTY queue, qindex=0 Reply-To: Cy Schubert Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org The following reply was made to PR kern/11993; it has been noted by GNATS. From: Cy Schubert To: freebsd-gnats-submit@freebsd.org, cschuber@uumail.gov.bc.ca Cc: Subject: Re: kern/11993: panic: getnewbuf: inconsistent EMPTY queue, qindex=0 Date: Wed, 02 Jun 1999 16:56:30 -0700 Got the patch in, backtrace follows. IdlePTD 2883584 initial pcb at 252b70 panicstr: getnewbuf: inconsistent EMPTY queue, qindex=0 panic messages: --- panic: getnewbuf: inconsistent EMPTY queue, qindex=0 syncing disks... panic: getnewbuf: inconsistent EMPTY queue, qindex=0 dumping to dev 20401, offset 524288 dump 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 3 3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 --- #0 boot (howto=260) at ../../kern/kern_shutdown.c:285 285 dumppcb.pcb_cr3 = rcr3(); (kgdb) bt #0 boot (howto=260) at ../../kern/kern_shutdown.c:285 #1 0xc0148328 in at_shutdown ( function=0xc022c835 <__set_sysctl__vfs_sym_sysctl___vfs_kvafreespace+217>, arg=0x0, queue=512) at ../../kern/kern_shutdown.c:446 #2 0xc016645d in getnewbuf (vp=0xc5b99840, blkno=720976, slpflag=0, slptimeo=0, size=8192, maxsize=8192) at ../../kern/vfs_bio.c:970 #3 0xc0166fa8 in getblk (vp=0xc5b99840, blkno=720976, size=8192, slpflag=0, slptimeo=0) at ../../kern/vfs_bio.c:1511 #4 0xc01657bd in bread (vp=0xc5b99840, blkno=720976, size=8192, cred=0x0, bpp=0xc5ce5c5c) at ../../kern/vfs_bio.c:282 #5 0xc01de40c in ffs_update (vp=0xc5ca4440, waitfor=0) at ../../ufs/ffs/ffs_inode.c:98 #6 0xc01e757e in ffs_fsync (ap=0xc5ce5ce4) at ../../ufs/ffs/ffs_vnops.c:258 #7 0xc01e5983 in ffs_sync (mp=0xc09da200, waitfor=2, cred=0xc0751180, p=0xc026c760) at vnode_if.h:499 #8 0xc016e8af in sync (p=0xc026c760, uap=0x0) at ../../kern/vfs_syscalls.c:549 #9 0xc0147ee9 in boot (howto=256) at ../../kern/kern_shutdown.c:203 #10 0xc0148328 in at_shutdown ( function=0xc022c835 <__set_sysctl__vfs_sym_sysctl___vfs_kvafreespace+217>, arg=0x0, queue=8192) at ../../kern/kern_shutdown.c:446 #11 0xc016645d in getnewbuf (vp=0xc5ccd180, blkno=0, slpflag=0, slptimeo=0, size=3072, maxsize=8192) at ../../kern/vfs_bio.c:970 #12 0xc0166fa8 in getblk (vp=0xc5ccd180, blkno=0, size=3072, slpflag=0, slptimeo=0) at ../../kern/vfs_bio.c:1511 #13 0xc01657bd in bread (vp=0xc5ccd180, blkno=0, size=3072, cred=0x0, bpp=0xc5ce5e94) at ../../kern/vfs_bio.c:282 #14 0xc01e648f in ffs_read (ap=0xc5ce5ec8) at ../../ufs/ufs/ufs_readwrite.c:245 #15 0xc01727c3 in vn_read (fp=0xc0b14840, uio=0xc5ce5f10, cred=0xc0b01580, flags=0) at vnode_if.h:303 #16 0xc0152db1 in dofileread (p=0xc5c80b20, fp=0xc0b14840, fd=5, buf=0x8073000, nbyte=8192, offset=-1, flags=0) at ../../kern/sys_generic.c:179 #17 0xc0152cbb in read (p=0xc5c80b20, uap=0xc5ce5f94) at ../../kern/sys_generic.c:111 #18 0xc02139db in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 134647808, tf_esi = 672290124, tf_ebp = -1077953560, tf_isp = -976330780, tf_ebx = 672233588, tf_edx = 5, tf_ecx = 134688768, tf_eax = 3, tf_trapno = 0, tf_err = 2, tf_eip = 671985688, tf_cs = 31, tf_eflags = 534, tf_esp = -1077953596, tf_ss = 39}) at ../../i386/i386/trap.c:1100 #19 0xc020af1c in Xint0x80_syscall () #20 0x280fdd35 in ?? () #21 0x280fdbf6 in ?? () #22 0x2807344e in ?? () #23 0x804a9b1 in ?? () #24 0x804a5b2 in ?? () #25 0x8049dbd in ?? () CONF= # # GENERIC -- Generic machine with WD/AHx/NCR/BTx family disks # # For more information read the handbook part System Administration -> # Configuring the FreeBSD Kernel -> The Configuration File. # The handbook is available in /usr/share/doc/handbook or online as # latest version from the FreeBSD World Wide Web server # # # An exhaustive list of options and more detailed explanations of the # device lines is present in the ./LINT configuration file. If you are # in doubt as to the purpose or necessity of a line, check first in LINT. # # $Id: GENERIC,v 1.143.2.2 1999/02/15 02:50:07 des Exp $ machine "i386" cpu "I686_CPU" ident GENERIC maxusers 32 maxusers 20 # options MATH_EMULATE #Support for x87 emulation options INET #InterNETworking options FFS #Berkeley Fast Filesystem options FFS_ROOT #FFS usable as root device [keep this!] options MFS #Memory Filesystem options MFS_ROOT #MFS usable as root device, "MFS" req'ed options NFS #Network Filesystem options NFS_ROOT #NFS usable as root device, "NFS" req'ed options MSDOSFS #MSDOS Filesystem options "CD9660" #ISO 9660 Filesystem options "CD9660_ROOT" #CD-ROM usable as root. "CD9660" req'ed options PROCFS #Process filesystem # options UMAPFS #UID map filesystem options UNION #Union filesystem options "COMPAT_43" #Compatible with BSD 4.3 [KEEP THIS!] options SCSI_DELAY=15000 #Be pessimistic about Joe SCSI device options UCONSOLE #Allow users to grab the console # options FAILSAFE #Be conservative # options USERCONFIG #boot -c editor # options VISUAL_USERCONFIG #visual boot -c editor config kernel root on da0s1a swap on da0s1b # To make an SMP kernel, the next two are needed #options SMP # Symmetric MultiProcessor Kernel #options APIC_IO # Symmetric (APIC) I/O # Optionally these may need tweaked, (defaults shown): #options NCPU=2 # number of CPUs #options NBUS=4 # number of busses #options NAPIC=1 # number of IO APICs #options NINTR=24 # number of INTs controller isa0 controller eisa0 controller pci0 controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 disk fd0 at fdc0 drive 0 # disk fd1 at fdc0 drive 1 options "CMD640" # work around CMD640 chip deficiency # controller wdc0 at isa? port "IO_WD1" bio irq 14 flags 0xa0ffa0ff # disk wd0 at wdc0 drive 0 # disk wd1 at wdc0 drive 1 # controller wdc1 at isa? port "IO_WD2" bio irq 15 flags 0xa0ffa0ff # disk wd2 at wdc1 drive 0 # disk wd3 at wdc1 drive 1 # options ATAPI #Enable ATAPI support for IDE bus # options ATAPI_STATIC #Don't do it as an LKM # device acd0 #IDE CD-ROM # device wfd0 #IDE Floppy (e.g. LS-120) # A single entry for any of these controllers (ncr, ahb, ahc) is # sufficient for any number of installed devices. # controller ncr0 # controller ahb0 controller ahc0 # controller isp0 # This controller offers a number of configuration options, too many to # document here - see the LINT file in this directory and look up the # dpt0 entry there for much fuller documentation on this. # controller dpt0 # controller adv0 at isa? port ? cam irq ? # controller adw0 # controller bt0 at isa? port ? cam irq ? # controller aha0 at isa? port ? cam irq ? #controller aic0 at isa? port 0x340 bio irq 11 controller scbus0 device da0 device sa0 device pass0 device cd0 #Only need one of these, the code dynamically grows # device wt0 at isa? port 0x300 bio irq 5 drq 1 # device mcd0 at isa? port 0x300 bio irq 10 # controller matcd0 at isa? port 0x230 bio # device scd0 at isa? port 0x230 bio # atkbdc0 controlls both the keyboard and the PS/2 mouse controller atkbdc0 at isa? port IO_KBD tty device atkbd0 at isa? tty irq 1 device psm0 at isa? tty irq 12 device vga0 at isa? port ? conflicts # splash screen/screen saver pseudo-device splash # syscons is the default console driver, resembling an SCO console device sc0 at isa? tty # Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver #device vt0 at isa? tty #options XSERVER # support for X server #options FAT_CURSOR # start with block cursor # If you have a ThinkPAD, uncomment this along with the rest of the PCVT lines #options PCVT_SCANSET=2 # IBM keyboards are non-std device npx0 at isa? port IO_NPX irq 13 # # Laptop support (see LINT for more options) # # device apm0 at isa? disable flags 0x31 # Advanced Power Management # PCCARD (PCMCIA) support #controller card0 #device pcic0 at card? #device pcic1 at card? device sio0 at isa? port "IO_COM1" flags 0x10 tty irq 4 device sio1 at isa? port "IO_COM2" tty irq 3 # device sio2 at isa? disable port "IO_COM3" tty irq 5 # device sio3 at isa? disable port "IO_COM4" tty irq 9 # Parallel port device ppc0 at isa? port? net irq 7 controller ppbus0 device nlpt0 at ppbus? # device plip0 at ppbus? # device ppi0 at ppbus? #controller vpo0 at ppbus? # Order is important here due to intrusive probes, do *not* alphabetize # this list of network interfaces until the probes have been fixed. # Right now it appears that the ie0 must be probed before ep0. See # revision 1.20 of this file. # device ax0 # device de0 # device fxp0 # device mx0 # device pn0 # device rl0 # device tl0 # device tx0 # device vr0 # device vx0 # device wb0 device xl0 # device ed0 at isa? port 0x280 net irq 10 iomem 0xd8000 # device ie0 at isa? port 0x300 net irq 10 iomem 0xd0000 # device ep0 at isa? port 0x300 net irq 10 # device ex0 at isa? port? net irq? # device fe0 at isa? port 0x300 net irq ? # device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 # device lnc0 at isa? port 0x280 net irq 10 drq 0 # device ze0 at isa? port 0x300 net irq 10 iomem 0xd8000 # device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 # device cs0 at isa? port 0x300 net irq ? pseudo-device loop pseudo-device ether # pseudo-device sl 1 # pseudo-device ppp 1 # pseudo-device tun 1 pseudo-device pty 64 pseudo-device gzip # Exec gzipped a.out's # KTRACE enables the system-call tracing facility ktrace(2). # This adds 4 KB bloat to your kernel, and slightly increases # the costs of each syscall. options KTRACE #kernel tracing # This provides support for System V shared memory and message queues. # options SYSVSHM options SYSVMSG options SYSVSEM options IPFIREWALL #firewall options IPFIREWALL_VERBOSE #print information about # dropped packets # options IPDIVERT #divert sockets options IPFILTER #kernel ipfilter support options IPFILTER_LOG #ipfilter logging options QUOTA #enable disk quotas # ICMP_BANDLIM enables icmp error response bandwidth limiting. You # typically want this option as it will help protect the machine from # D.O.S. packet attacks. # options "ICMP_BANDLIM" # The `bpfilter' pseudo-device enables the Berkeley Packet Filter. Be # aware of the legal and administrative consequences of enabling this # option. The number of devices determines the maximum number of # simultaneous BPF clients programs runnable. pseudo-device bpfilter 4 #Berkeley packet filter # USB support #controller uhci0 #controller ohci0 #controller usb0 # # for the moment we have to specify the priorities of the device # drivers explicitly by the ordering in the list below. This will # be changed in the future. # #device ums0 #device ukbd0 #device ulpt0 #device uhub0 #device ucom0 #device umodem0 #device hid0 #device ugen0 # #options USB_DEBUG #options USBVERBOSE # Soft updates is technique for improving file system speed and # making abrupt shutdown less risky. It is not enabled by default due # to copyright restraints on the code that implement it. # # Read .../../ufs/ffs/README.softupdates to learn what you need to # do to enable this. ../../../contrib/sys/softupdates/README gives # more details on how they actually work. # options SOFTUPDATES ##################################################################### # POSIX P1003.1B # Real time extensions added int the 1993 Posix # P1003_1B: Infrastructure # _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING # _KPOSIX_VERSION: Version kernel is built for options "P1003_1B" options "_KPOSIX_PRIORITY_SCHEDULING" options "_KPOSIX_VERSION=199309L" -- Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Open Systems Group Internet: Cy.Schubert@uumail.gov.bc.ca ITSD Cy.Schubert@gems8.gov.bc.ca Province of BC "e**(i*pi)+1=0" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message