From owner-freebsd-bugs Sun Jan 26 7:40:12 2003 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5904737B401 for ; Sun, 26 Jan 2003 07:40:02 -0800 (PST) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id CA79B43EB2 for ; Sun, 26 Jan 2003 07:40:00 -0800 (PST) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.6/8.12.6) with ESMTP id h0QFe0NS078555 for ; Sun, 26 Jan 2003 07:40:00 -0800 (PST) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.6/8.12.6/Submit) id h0QFe0Dd078554; Sun, 26 Jan 2003 07:40:00 -0800 (PST) Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A675F37B401 for ; Sun, 26 Jan 2003 07:35:49 -0800 (PST) Received: from mx2.informatik.uni-tuebingen.de (mx2.Informatik.Uni-Tuebingen.De [134.2.12.9]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5C66843E4A for ; Sun, 26 Jan 2003 07:35:48 -0800 (PST) (envelope-from fribecke@informatik.uni-tuebingen.de) Received: from jet.informatik.uni-tuebingen.de (jet [134.2.13.159]) by mx2.informatik.uni-tuebingen.de (Postfix) with ESMTP id 4A49D1069 for ; Sun, 26 Jan 2003 16:35:44 +0100 (MET) Received: from jet.informatik.uni-tuebingen.de (localhost [127.0.0.1]) by jet.informatik.uni-tuebingen.de (8.12.3/8.12.3) with ESMTP id h0QFZiVa052238 for ; Sun, 26 Jan 2003 16:35:44 +0100 (CET) (envelope-from fribecke@jet.informatik.uni-tuebingen.de) Received: (from fribecke@localhost) by jet.informatik.uni-tuebingen.de (8.12.3/8.12.3/Submit) id h0QFZih7052237; Sun, 26 Jan 2003 16:35:44 +0100 (CET) Message-Id: <200301261535.h0QFZih7052237@jet.informatik.uni-tuebingen.de> Date: Sun, 26 Jan 2003 16:35:44 +0100 (CET) From: Friedemann Becker Reply-To: Friedemann Becker To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: kern/47512: bash in gdb triggers kernel panic Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org >Number: 47512 >Category: kern >Synopsis: bash in gdb triggers kernel panic >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Jan 26 07:40:00 PST 2003 >Closed-Date: >Last-Modified: >Originator: Friedemann Becker >Release: FreeBSD 5.0-CURRENT i386 >Organization: none >Environment: System: FreeBSD chasey.wg 5.0-CURRENT FreeBSD 5.0-CURRENT #0: Sat Jan 25 02:34:33 CET 2003 root@bitch.wg:/usr/obj/usr/src/sys/GENERIC i386 >Description: when i start bash in gdb and do a ls, the kernel panics with the following message: panic: blockable sleep lock (sleep mutex) sellck @ /usr/src/sys/kern/sys_generic.c:1191 Debugger:("panic") Stopped at Debugger+0x45: xchgl %ebx, in_Debugger.0 I'm using bash-2.05b.004, GENERIC kernel >How-To-Repeat: pkg_add -r bash2 # if necessary gdb bash run ls >Fix: none yet --- GENERIC begins here --- # # GENERIC -- Generic kernel configuration file for FreeBSD/i386 # # For more information on this file, please read the handbook section on # Kernel Configuration Files: # # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html # # The handbook is also available locally in /usr/share/doc/handbook # if you've installed the doc distribution, otherwise always see the # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the # latest information. # # An exhaustive list of options and more detailed explanations of the # device lines is also present in the ../../conf/NOTES and NOTES files. # If you are in doubt as to the purpose or necessity of a line, check first # in NOTES. # # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.372 2003/01/16 00:21:52 sam Exp $ machine i386 cpu I486_CPU cpu I586_CPU cpu I686_CPU ident GENERIC maxusers 0 #To statically compile in device wiring instead of /boot/device.hints #hints "GENERIC.hints" #Default places to look for devices. makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols options INET #InterNETworking options INET6 #IPv6 communications protocols options FFS #Berkeley Fast Filesystem options SOFTUPDATES #Enable FFS soft updates support options UFS_ACL #Support for access control lists options UFS_DIRHASH #Improve performance on big directories options MD_ROOT #MD is a potential root device options NFSCLIENT #Network Filesystem Client options NFSSERVER #Network Filesystem Server options NFS_ROOT #NFS usable as root device, requires NFSCLIENT options MSDOSFS #MSDOS Filesystem options CD9660 #ISO 9660 Filesystem options PROCFS #Process filesystem (requires PSEUDOFS) options PSEUDOFS #Pseudo-filesystem framework options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!] options COMPAT_FREEBSD4 #Compatible with FreeBSD4 options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI options KTRACE #ktrace(1) support options SYSVSHM #SYSV-style shared memory options SYSVMSG #SYSV-style message queues options SYSVSEM #SYSV-style semaphores options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions options KBD_INSTALL_CDEV # install a CDEV entry in /dev options AHC_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~128k to driver. options AHD_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~215k to driver. # Debugging for use in -current options DDB #Enable the kernel debugger options INVARIANTS #Enable calls of extra sanity checking options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by INVARIANTS options WITNESS #Enable checks to detect deadlocks and cycles options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed # To make an SMP kernel, the next two are needed #options SMP # Symmetric MultiProcessor Kernel #options APIC_IO # Symmetric (APIC) I/O device isa device eisa device pci # Floppy drives device fdc # ATA and ATAPI devices device ata device atadisk # ATA disk drives device atapicd # ATAPI CDROM drives device atapifd # ATAPI floppy drives device atapist # ATAPI tape drives options ATA_STATIC_ID #Static device numbering # SCSI Controllers device ahb # EISA AHA1742 family device ahc # AHA2940 and onboard AIC7xxx devices device ahd # AHA39320/29320 and onboard AIC79xx devices device amd # AMD 53C974 (Tekram DC-390(T)) device isp # Qlogic family device mpt # LSI-Logic MPT-Fusion #device ncr # NCR/Symbios Logic device sym # NCR/Symbios Logic (newer chipsets + those of `ncr') device trm # Tekram DC395U/UW/F DC315U adapters device adv # Advansys SCSI adapters device adw # Advansys wide SCSI adapters device aha # Adaptec 154x SCSI adapters device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60. device bt # Buslogic/Mylex MultiMaster SCSI adapters device ncv # NCR 53C500 device nsp # Workbit Ninja SCSI-3 device stg # TMC 18C30/18C50 # RAID controllers interfaced to the SCSI subsystem device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID device ciss # Compaq Smart RAID 5* device dpt # DPT Smartcache III, IV - See NOTES for options! device iir # Intel Integrated RAID device mly # Mylex AcceleRAID/eXtremeRAID # SCSI peripherals device scbus # SCSI bus (required) device ch # SCSI media changers device da # Direct Access (disks) device sa # Sequential Access (tape etc) device cd # CD device pass # Passthrough device (direct SCSI access) device ses # SCSI Environmental Services (and SAF-TE) # RAID controllers device aac # Adaptec FSA RAID device aacp # SCSI passthrough for aac (requires CAM) device amr # AMI MegaRAID device ida # Compaq Smart RAID device mlx # Mylex DAC960 family device pst # Promise Supertrak SX6000 device twe # 3ware ATA RAID # atkbdc0 controls both the keyboard and the PS/2 mouse device atkbdc # AT keyboard controller device atkbd # AT keyboard device psm # PS/2 mouse device vga # VGA video card driver device splash # Splash screen and screen saver support # syscons is the default console driver, resembling an SCO console device sc # Enable this for the pcvt (VT220 compatible) console driver #device vt #options XSERVER # support for X server on a vt console #options FAT_CURSOR # start with block cursor device agp # support several AGP chipsets # Floating point support - do not disable. device npx # Power management support (see NOTES for more options) #device apm # Add suspend/resume support for the i8254. device pmtimer # PCCARD (PCMCIA) support # Pcmcia and cardbus bridge support device cbb # cardbus (yenta) bridge #device pcic # ExCA ISA and PCI bridges device pccard # PC Card (16-bit) bus device cardbus # CardBus (32-bit) bus # Serial (COM) ports device sio # 8250, 16[45]50 based serial ports # Parallel port device ppc device ppbus # Parallel port bus (required) device lpt # Printer device plip # TCP/IP over parallel device ppi # Parallel port interface device #device vpo # Requires scbus and da # PCI Ethernet NICs. device de # DEC/Intel DC21x4x (``Tulip'') device em # Intel PRO/1000 adapter Gigabit Ethernet Card device txp # 3Com 3cR990 (``Typhoon'') device vx # 3Com 3c590, 3c595 (``Vortex'') # PCI Ethernet NICs that use the common MII bus controller code. # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! device miibus # MII bus support device dc # DEC/Intel 21143 and various workalikes device fxp # Intel EtherExpress PRO/100B (82557, 82558) device pcn # AMD Am79C97x PCI 10/100 (precedence over 'lnc') device rl # RealTek 8129/8139 device sf # Adaptec AIC-6915 (``Starfire'') device sis # Silicon Integrated Systems SiS 900/SiS 7016 device ste # Sundance ST201 (D-Link DFE-550TX) device tl # Texas Instruments ThunderLAN device tx # SMC EtherPower II (83c170 ``EPIC'') device vr # VIA Rhine, Rhine II device wb # Winbond W89C840F device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') device bge # Broadcom BCM570xx Gigabit Ethernet # ISA Ethernet NICs. pccard nics included. device cs # Crystal Semiconductor CS89x0 NIC # 'device ed' requires 'device miibus' device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards device ex # Intel EtherExpress Pro/10 and Pro/10+ device ep # Etherlink III based cards device fe # Fujitsu MB8696x based cards device lnc # NE2100, NE32-VL Lance Ethernet cards device sn # SMC's 9000 series of ethernet chips device xe # Xircom pccard ethernet # ISA devices that use the old ISA shims #device le # Wireless NIC cards device wlan # 802.11 support device an # Aironet 4500/4800 802.11 wireless NICs. device awi # BayStack 660 and others device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs. #device wl # Older non 802.11 Wavelan wireless NIC. # Pseudo devices - the number indicates how many units to allocate. device random # Entropy device device loop # Network loopback device ether # Ethernet support device sl # Kernel SLIP device ppp # Kernel PPP device tun # Packet tunnel. device pty # Pseudo-ttys (telnet etc) device md # Memory "disks" device gif # IPv6 and IPv4 tunneling device faith # IPv6-to-IPv4 relaying (translation) # The `bpf' device enables the Berkeley Packet Filter. # Be aware of the administrative consequences of enabling this! device bpf # Berkeley packet filter # USB support device uhci # UHCI PCI->USB interface device ohci # OHCI PCI->USB interface device usb # USB Bus (required) #device udbp # USB Double Bulk Pipe devices device ugen # Generic device uhid # "Human Interface Devices" device ukbd # Keyboard device ulpt # Printer device umass # Disks/Mass storage - Requires scbus and da device ums # Mouse device urio # Diamond Rio 500 MP3 player device uscanner # Scanners # USB Ethernet, requires mii device aue # ADMtek USB ethernet device cue # CATC USB ethernet device kue # Kawasaki LSI USB ethernet --- GENERIC ends here --- --- dmesg.boot begins here --- Copyright (c) 1992-2003 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 5.0-CURRENT #0: Sat Jan 25 02:34:33 CET 2003 root@bitch.wg:/usr/obj/usr/src/sys/GENERIC Preloaded elf kernel "/boot/kernel/kernel" at 0xc0626000. Preloaded elf module "/boot/kernel/acpi.ko" at 0xc06260a8. Timecounter "i8254" frequency 1193182 Hz Timecounter "TSC" frequency 807194566 Hz CPU: AMD Athlon(tm) Processor (807.19-MHz 686-class CPU) Origin = "AuthenticAMD" Id = 0x642 Stepping = 2 Features=0x183f9ff AMD Features=0xc0440000 real memory = 268353536 (255 MB) avail memory = 254066688 (242 MB) Initializing GEOMetry subsystem Pentium Pro MTRR support enabled npx0: on motherboard npx0: INT 16 interface acpi0: on motherboard ACPI-0625: *** Info: GPE Block0 defined as GPE0 to GPE15 Using $PIR table, 9 entries at 0xc00f1750 acpi0: power button is handled as a fixed feature programming model. Timecounter "ACPI-fast" frequency 3579545 Hz acpi_timer0: <24-bit timer at 3.579545MHz> port 0xe408-0xe40b on acpi0 acpi_cpu0: on acpi0 acpi_button0: on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 agp0: mem 0xe6000000-0xe7ffffff at device 0.0 on pci0 pcib1: at device 1.0 on pci0 pci1: on pcib1 pci1: at device 0.0 (no driver attached) isab0: at device 4.0 on pci0 isa0: on isab0 atapci0: port 0xd800-0xd80f at device 4.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata1: at 0x170 irq 15 on atapci0 uhci0: port 0xd000-0xd01f irq 9 at device 4.3 on pci0 usb0: on uhci0 usb0: USB revision 1.0 uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered uhub0: port error, restarting port 1 uhub0: port error, giving up port 1 uhub0: port error, restarting port 2 uhub0: port error, giving up port 2 uhub1: ALCOR Generic USB Hub, class 9/0, rev 1.10/1.00, addr 2 uhub1: 4 ports with 4 removable, self powered pci0: at device 4.4 (no driver attached) pci0: at device 9.0 (no driver attached) pci0: at device 10.0 (no driver attached) pci0: at device 11.0 (no driver attached) rl0: port 0x9800-0x98ff mem 0xdd800000-0xdd8000ff irq 11 at device 12.0 on pci0 rl0: Realtek 8139B detected. Warning, this may be unstable in autoselect mode rl0: Ethernet address: 00:e0:7d:8b:46:01 miibus0: on rl0 rlphy0: on miibus0 rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto sym0: <810a> port 0x9400-0x94ff mem 0xdd000000-0xdd0000ff irq 9 at device 13.0 on pci0 sym0: No NVRAM, ID 7, Fast-10, SE, parity checking atapci1: port 0x7800-0x783f,0x8000-0x8003,0x8400-0x8407,0x8800-0x8803,0x9000-0x9007 mem 0xdc800000-0xdc81ffff irq 10 at device 17.0 on pci0 ata2: at 0x9000 on atapci1 ata3: at 0x8400 on atapci1 fdc0: port 0x3f7,0x3f2-0x3f5 irq 6 drq 2 on acpi0 fdc0: FIFO enabled, 8 bytes threshold fd0: <1440-KB 3.5" drive> on fdc0 drive 0 ppc0 port 0x778-0x77b,0x378-0x37f irq 7 drq 3 on acpi0 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode ppc0: FIFO with 16/16/8 bytes threshold ppbus0: IEEE1284 device found /NIBBLE/ECP Probing for PnP devices on ppbus0: ppbus0: PRINTER MLC,PCL,PJL plip0: on ppbus0 lpt0: on ppbus0 lpt0: Interrupt-driven port ppi0: on ppbus0 sio0 port 0x3f8-0x3ff irq 4 on acpi0 sio0: type 16550A sio1 port 0x2f8-0x2ff irq 3 on acpi0 sio1: type 16550A atkbdc0: port 0x64,0x60 irq 1 on acpi0 atkbd0: flags 0x1 irq 1 on atkbdc0 kbd0 at atkbd0 psm0: irq 12 on atkbdc0 psm0: model IntelliMouse Explorer, device ID 4 orm0: