/dev/null and KSE panic 100% reproducible

From: Daniel C. Sobral (dcs_at_tcoip.com.br)
Date: 05/20/03

  • Next message: Heiko Schaefer: "Re: gbde performance question"
    Date: Tue, 20 May 2003 09:47:51 -0300
    To: CURRENT <freebsd-current@FreeBSD.ORG>
    
    

    Or so it seems. If I do a make install in
    /usr/ports/emulators/linux_base, panic happens. Alas, since my first
    panic yesterday was KSE and was during portupgrade and I have no
    linux_base presently installed, I suspect this is what caused that first
    panic.

    Julian, since I now have a _reproducible_ KSE panic... what do you want
    me to do? :-)

    New backtrace, for your delight and enjoyment.

    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: KSE not on run queue
    panic messages:

    ---
    panic: No strategy on dev null responsible for buffer 0xc78084f8
    syncing disks, buffers remaining... 2230 2230 2230 2229 2229 2229 2229 
    2229 panic: KSE not on run queue
    Uptime: 50m29s
    Dumping 255 MB
    ata0: resetting devices ..
    done
      16 32 48 64 80 96 112 128 144 160 176[CTRL-C to abort] [CTRL-C to 
    abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to 
    abort]  192 208 224 240Copyright (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 5.1-BETA #30: Mon May 19 21:40:33 BRT 2003
         root@dcs:/usr/obj/usr/src/sys/DCS
    Preloaded elf kernel "/boot/kernel/kernel" at 0xc04c0000.
    Preloaded elf module "/boot/kernel/snd_cmi.ko" at 0xc04c0228.
    Preloaded elf module "/boot/kernel/snd_pcm.ko" at 0xc04c02d4.
    Preloaded elf module "/boot/kernel/mac_biba.ko" at 0xc04c0380.
    Preloaded elf module "/boot/kernel/mac_mls.ko" at 0xc04c0430.
    Preloaded elf module "/boot/kernel/acpi.ko" at 0xc04c04dc.
    Timecounter "i8254"  frequency 1193182 Hz
    Timecounter "TSC"  frequency 1007051981 Hz
    CPU: Intel(R) Celeron(TM) CPU                1000MHz (1007.05-MHz 
    686-class CPU)
       Origin = "GenuineIntel"  Id = 0x6b1  Stepping = 1
     
    Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
    real memory  = 268353536 (255 MB)
    avail memory = 255438848 (243 MB)
    Security policy loaded: TrustedBSD MAC/Biba (mac_biba)
    Security policy loaded: TrustedBSD MAC/MLS (mac_mls)
    Pentium Pro MTRR support enabled
    VESA: v3.0, 4096k memory, flags:0x1, mode table:0xc03ca722 (1000022)
    VESA: NVidia
    npx0: <math processor> on motherboard
    npx0: INT 16 interface
    acpi0: <ASUS   TUV4X   > on motherboard
    pcibios: BIOS version 2.10
    Using $PIR table, 9 entries at 0xc00f12d0
    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: <CPU> on acpi0
    acpi_button0: <Power Button> on acpi0
    pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
    pci0: <ACPI PCI bus> on pcib0
    agp0: <VIA 82C691 (Apollo Pro) host to PCI bridge> mem 
    0xf8000000-0xfbffffff at device 0.0 on pci0
    pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
    pcib1: could not get PCI interrupt routing table for \\_SB_.PCI0.AGP_ - 
    AE_NOT_FOUND
    pci1: <ACPI PCI bus> on pcib1
    pci1: <display, VGA> at device 0.0 (no driver attached)
    isab0: <PCI-ISA bridge> at device 4.0 on pci0
    isa0: <ISA bus> on isab0
    atapci0: <VIA 82C686B UDMA100 controller> port 0xd800-0xd80f at device 
    4.1 on pci0
    ata0: at 0x1f0 irq 14 on atapci0
    ata1: at 0x170 irq 15 on atapci0
    uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 5 at device 
    4.2 on pci0
    usb0: <VIA 83C572 USB controller> 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
    ugen0: AKS eToken R2 2242, rev 1.00/1.00, addr 2
    uhub0: port error, restarting port 2
    uhub0: port error, giving up port 2
    uhci1: <VIA 83C572 USB controller> port 0xd000-0xd01f irq 5 at device 
    4.3 on pci0
    usb1: <VIA 83C572 USB controller> on uhci1
    usb1: USB revision 1.0
    uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub1: 2 ports with 2 removable, self powered
    uhub1: port error, restarting port 1
    uhub1: port error, giving up port 1
    uhub1: port error, restarting port 2
    uhub1: port error, giving up port 2
    pcm0: <CMedia CMI8738> port 0xb800-0xb8ff at device 5.0 on pci0
    pcib0: slot 5 INTA is routed to irq 5
    fxp0: <Intel 82557/8/9 EtherExpress Pro/100(B) Ethernet> port 
    0xb400-0xb43f mem 0xf3000000-0xf30fffff,0xf3800000-0xf3800fff irq 10 at 
    device 9.0 on pci0
    fxp0: Ethernet address 00:02:b3:ae:0d:ea
    miibus0: <MII bus> on fxp0
    inphy0: <i82555 10/100 media interface> on miibus0
    inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
    fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> 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 0x378-0x37f irq 7 on acpi0
    ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
    ppbus0: <Parallel port bus> on ppc0
    lpt0: <Printer> on ppbus0
    lpt0: Interrupt-driven port
    ppi0: <Parallel I/O> 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: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
    atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
    kbd0 at atkbd0
    psm0: <PS/2 Mouse> irq 12 on atkbdc0
    psm0: model Generic PS/2 mouse, device ID 0
    orm0: <Option ROMs> at iomem 0xd0000-0xd0fff,0xc0000-0xcffff on isa0
    pmtimer0 on isa0
    sc0: <System console> at flags 0x100 on isa0
    sc0: VGA <16 virtual consoles, flags=0x300>
    vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
    Timecounters tick every 1.000 msec
    acpi_cpu: throttling enabled, 16 steps (100% to 6.2%), currently 100.0%
    ad0: 19092MB <ST320410A> [38792/16/63] at ata0-master UDMA100
    acd0: CDROM <CRD-8481B> at ata1-master PIO4
    Mounting root from ufs:/dev/ad0s2a
    WARNING: / was not properly dismounted
    lock order reversal
      1st 0xc25fb840 pcm0 (sound softc) @ /usr/src/sys/dev/sound/pci/cmi.c:520
      2nd 0xc25fb440 pcm0:play:0 (pcm channel) @ 
    /usr/src/sys/dev/sound/pcm/channel.c:440
    Stack backtrace:
    panic: No strategy on dev null responsible for buffer 0xc776ab90
    syncing disks, buffers remaining... 2230 2230 2229 2229 2229 2228 2228 
    2228 2228 2228 2228 panic: KSE not on run queue
    Uptime: 26m44s
    Dumping 255 MB
    ata0: resetting devices ..
    done
      16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
    ---
    Reading symbols from /boot/kernel/snd_cmi.ko...done.
    Loaded symbols for /boot/kernel/snd_cmi.ko
    Reading symbols from /boot/kernel/snd_pcm.ko...done.
    Loaded symbols for /boot/kernel/snd_pcm.ko
    Reading symbols from 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_biba/mac_biba.ko.debug...done.
    Loaded symbols for 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_biba/mac_biba.ko.debug
    Reading symbols from 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_mls/mac_mls.ko.debug...done.
    Loaded symbols for 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_mls/mac_mls.ko.debug
    Reading symbols from 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/acpi/acpi.ko.debug...done.
    Loaded symbols for 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/acpi/acpi.ko.debug
    Reading symbols from /boot/kernel/green_saver.ko...done.
    Loaded symbols for /boot/kernel/green_saver.ko
    Reading symbols from 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/linux/linux.ko.debug...done.
    Loaded symbols for 
    /usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/linux/linux.ko.debug
    #0  doadump () at /usr/src/sys/kern/kern_shutdown.c:238
    238             dumping++;
    (kgdb) bt full
    #0  doadump () at /usr/src/sys/kern/kern_shutdown.c:238
    No locals.
    #1  0xc01e7353 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:370
    No locals.
    #2  0xc01e769b in panic () at /usr/src/sys/kern/kern_shutdown.c:543
             td = (struct thread *) 0xc0ecbab0
             bootopt = 260
             newpanic = 0
             buf = "KSE not on run queue\0ll responsible for buffer 
    0xc776ab90\n", '\0' <repeats 197 times>
    #3  0xc01fa832 in sched_rem (ke=0xc0ecd4c0) at 
    /usr/src/sys/kern/sched_4bsd.c:639
    No locals.
    #4  0xc01ecfd3 in adjustrunqueue (td=0xc0ecd4c0, newpri=180) at 
    /usr/src/sys/kern/kern_switch.c:295
             kg = (struct ksegrp *) 0xc0ed0b00
             ke = (struct kse *) 0xc0ecd4c0
    #5  0xc01fa580 in sched_prio (td=0xc0ed24c0, prio=180 '´') at 
    /usr/src/sys/kern/sched_4bsd.c:545
    No locals.
    #6  0xc01f9fe9 in schedcpu (arg=0x0) at /usr/src/sys/kern/sched_4bsd.c:337
             loadfac = 1944
             td = (struct thread *) 0xc0ed24c0
             p = (struct proc *) 0xc26425a0
             ke = (struct kse *) 0x0
             kg = (struct ksegrp *) 0xc0ed0b00
             realstathz = 128
             awake = 1
    #7  0xc01f69ec in softclock (dummy=0x0) at 
    /usr/src/sys/kern/kern_timeout.c:195
             c_func = (void (*)(void *)) 0xc01f9e30 <schedcpu>
             c_arg = (void *) 0x0
             c_flags = 14
             c = (struct callout *) 0x0
             bucket = (struct callout_tailq *) 0xc771d9a0
             curticks = 1604096
             steps = 14
    #8  0xc01c59c2 in ithread_loop (arg=0xc0ec8f00) at 
    /usr/src/sys/kern/kern_intr.c:537
             ithd = (struct ithd *) 0xc0ec8f00
             ih = (struct intrhand *) 0xc0ec0440
             td = (struct thread *) 0xc0ecbab0
             p = (struct proc *) 0xc0eca780
    ---Type <return> to continue, or q <return> to quit---
    #9  0xc01c49b0 in fork_exit (callout=0xc0ec0440, arg=0x0, frame=0x0) at 
    /usr/src/sys/kern/kern_fork.c:768
             td = (struct thread *) 0x0
             p = (struct proc *) 0xc0ec8f00
    -- 
    Daniel C. Sobral                   (8-DCS)
    Gerencia de Operacoes
    Divisao de Comunicacao de Dados
    Coordenacao de Seguranca
    VIVO Centro Oeste Norte
    Fones: 55-61-313-7654/Cel: 55-61-9618-0904
    E-mail: Daniel.Capo@tco.net.br
             Daniel.Sobral@tcoip.com.br
             dcs@tcoip.com.br
    Outros:
    	dcs@newsguy.com
    	dcs@freebsd.org
    	capo@notorious.bsdconspiracy.net
    God is Dead
    		-- Nietzsche
    Nietzsche is Dead
    		-- God
    Nietzsche is God
    		-- The Dead
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  • Next message: Heiko Schaefer: "Re: gbde performance question"