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    SubjectRe: 2.6.12-mm2

    is the fput()/sysfs_release() crash below known?

    Ingo

    Linux version 2.6.12-mm2 (mingo@jupiter) (gcc version 3.4.1 20040831 (Red Hat 3.4.1-10)) #11 SMP Mon Jun 27 11:19:41 CEST 2005
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
    BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 0000000010000000 (usable)
    BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
    BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
    BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
    256MB LOWMEM available.
    found SMP MP-table at 000f5b30
    On node 0 totalpages: 65536
    DMA zone: 4096 pages, LIFO batch:1
    Normal zone: 61440 pages, LIFO batch:31
    HighMem zone: 0 pages, LIFO batch:1
    early console enabled
    DMI 2.2 present.
    ABIT i440BX-W83977 detected: force use of acpi=ht
    ACPI: Unable to locate RSDP
    Intel MultiProcessor Specification v1.1
    Virtual Wire compatibility mode.
    OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
    Processor #0 6:6 APIC version 17
    Processor #1 6:6 APIC version 17
    I/O APIC #2 Version 17 at 0xFEC00000.
    Enabling APIC mode: Flat. Using 1 I/O APICs
    Processors: 2
    Allocating PCI resources starting at 10000000 (gap: 10000000:eec00000)
    Built 1 zonelists
    mapped APIC to ffffd000 (fee00000)
    mapped IOAPIC to ffffc000 (fec00000)
    Initializing CPU#0
    Kernel command line: root=/dev/hda1 debug earlyprintk=serial,ttyS0,115200 console=ttyS0,115200 console=tty0 3 maxcpus=2 nmi_watchdog=1 debug profile=0
    kernel profiling enabled (shift: 0)
    PID hash table entries: 2048 (order: 11, 32768 bytes)
    Detected 467.796 MHz processor.
    Using tsc for high-res timesource
    disabling early console
    Console: colour VGA+ 80x25
    Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
    Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
    Memory: 244664k/262144k available (2592k kernel code, 17052k reserved, 1061k data, 224k init, 0k highmem)
    Checking if this processor honours the WP bit even in supervisor mode... Ok.
    Calibrating delay using timer specific routine.. 937.21 BogoMIPS (lpj=1874423)
    Mount-cache hash table entries: 512
    CPU: After generic identify, caps: 0183fbff 00000000 00000000 00000000 00000000 00000000 00000000
    CPU: After vendor identify, caps: 0183fbff 00000000 00000000 00000000 00000000 00000000 00000000
    CPU: L1 I cache: 16K, L1 D cache: 16K
    CPU: L2 cache: 128K
    CPU: After all inits, caps: 0183fbff 00000000 00000000 00000040 00000000 00000000 00000000
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#0.
    Enabling fast FPU save and restore... done.
    Checking 'hlt' instruction... OK.
    CPU0: Intel Celeron (Mendocino) stepping 05
    Booting processor 1/1 eip 2000
    Initializing CPU#1
    Calibrating delay using timer specific routine.. 935.62 BogoMIPS (lpj=1871246)
    CPU: After generic identify, caps: 0183fbff 00000000 00000000 00000000 00000000 00000000 00000000
    CPU: After vendor identify, caps: 0183fbff 00000000 00000000 00000000 00000000 00000000 00000000
    CPU: L1 I cache: 16K, L1 D cache: 16K
    CPU: L2 cache: 128K
    CPU: After all inits, caps: 0183fbff 00000000 00000000 00000040 00000000 00000000 00000000
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#1.
    CPU1: Intel Celeron (Mendocino) stepping 05
    Total of 2 processors activated (1872.83 BogoMIPS).
    ENABLING IO-APIC IRQs
    ..TIMER: vector=0x31 pin1=2 pin2=0
    checking TSC synchronization across 2 CPUs: passed.
    softlockup thread 0 started up.
    Brought up 2 CPUs
    softlockup thread 1 started up.
    -> [0][1][ 65536] 0.3 [ 0.3] (0): ( 357620 178810)
    -> [0][1][ 68985] 0.3 [ 0.3] (0): ( 354253 91088)
    -> [0][1][ 72615] 0.3 [ 0.3] (0): ( 390935 63885)
    -> [0][1][ 76436] 0.4 [ 0.4] (0): ( 415617 44283)
    -> [0][1][ 80458] 0.4 [ 0.4] (0): ( 428850 28758)
    -> [0][1][ 84692] 0.4 [ 0.4] (0): ( 460558 30233)
    -> [0][1][ 89149] 0.5 [ 0.5] (0): ( 501929 35802)
    -> [0][1][ 93841] 0.5 [ 0.5] (0): ( 543036 38454)
    -> [0][1][ 98780] 0.6 [ 0.6] (0): ( 609270 52344)
    -> [0][1][ 103978] 0.5 [ 0.6] (0): ( 596005 32804)
    -> [0][1][ 109450] 0.6 [ 0.6] (0): ( 607209 22004)
    -> [0][1][ 115210] 0.6 [ 0.6] (0): ( 643212 29003)
    -> [0][1][ 121273] 0.7 [ 0.7] (0): ( 716535 51163)
    -> [0][1][ 127655] 0.7 [ 0.7] (0): ( 795865 65246)
    -> [0][1][ 134373] 0.7 [ 0.7] (0): ( 745335 57888)
    -> [0][1][ 141445] 0.7 [ 0.7] (0): ( 796304 54428)
    -> [0][1][ 148889] 0.8 [ 0.8] (0): ( 820203 39163)
    -> [0][1][ 156725] 0.7 [ 0.8] (0): ( 716504 71431)
    -> [0][1][ 164973] 0.6 [ 0.8] (0): ( 679884 54025)
    -> [0][1][ 173655] 0.6 [ 0.8] (0): ( 662305 35802)
    -> [0][1][ 182794] 0.5 [ 0.8] (0): ( 598857 49625)
    -> [0][1][ 192414] 0.6 [ 0.8] (0): ( 628063 39415)
    -> [0][1][ 202541] 0.5 [ 0.8] (0): ( 577476 45001)
    -> found max.
    [0][1] working set size found: 148889, cost: 820203
    ---------------------
    | migration cost matrix (max_cache_size: 131072, cpu: 467 MHz):
    ---------------------
    [00] [01]
    [00]: - 1.6(0)
    [01]: 1.6(0) -
    --------------------------------
    | cacheflush times [1]: 1.6 (1640406)
    | calibration delay: 0 seconds
    --------------------------------
    NET: Registered protocol family 16
    PCI: PCI BIOS revision 2.10 entry at 0xfb420, last bus=1
    PCI: Using configuration type 1
    mtrr: v2.0 (20020519)
    mtrr: your CPUs had inconsistent fixed MTRR settings
    mtrr: probably your BIOS does not setup all CPUs.
    mtrr: corrected configuration.
    ACPI: Subsystem revision 20050309
    ACPI: Interpreter disabled.
    SCSI subsystem initialized
    usbcore: registered new driver usbfs
    usbcore: registered new driver hub
    PCI: Probing PCI hardware
    PCI: Probing PCI hardware (bus 00)
    Boot video device is 0000:01:00.0
    PCI: Using IRQ router PIIX/ICH [8086/7110] at 0000:00:07.0
    PCI->APIC IRQ transform: 0000:00:07.2[D] -> IRQ 19
    PCI->APIC IRQ transform: 0000:00:0b.0[A] -> IRQ 18
    PCI->APIC IRQ transform: 0000:00:0d.0[A] -> IRQ 17
    PCI->APIC IRQ transform: 0000:00:0f.0[A] -> IRQ 16
    PCI->APIC IRQ transform: 0000:00:13.0[A] -> IRQ 18
    PCI->APIC IRQ transform: 0000:00:13.1[B] -> IRQ 18
    PCI->APIC IRQ transform: 0000:01:00.0[A] -> IRQ 16
    Machine check exception polling timer started.
    inotify device minor=63
    Initializing Cryptographic API
    Limiting direct PCI/PCI transfers.
    Real Time Clock Driver v1.12
    Hangcheck: starting hangcheck timer 0.9.0 (tick is 180 seconds, margin is 60 seconds).
    Hangcheck: Using monotonic_clock().
    cn_fork is registered
    serio: i8042 AUX port at 0x60,0x64 irq 12
    serio: i8042 KBD port at 0x60,0x64 irq 1
    Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing enabled
    ÿttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
    io scheduler noop registered
    io scheduler anticipatory registered
    Floppy drive(s): fd0 is 1.44M
    FDC 0 is a post-1991 82077
    pktcdvd: v0.2.0a 2004-07-14 Jens Axboe (axboe@suse.de) and petero2@telia.com
    Intel(R) PRO/1000 Network Driver - version 6.0.54-k2-NAPI
    Copyright (c) 1999-2004 Intel Corporation.
    e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
    e100: Intel(R) PRO/100 Network Driver, 3.4.8-k2-NAPI
    e100: Copyright(c) 1999-2005 Intel Corporation
    e100: eth1: e100_probe: addr 0xef140000, irq 16, MAC addr 00:90:27:8C:A0:50
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    PIIX4: IDE controller at PCI slot 0000:00:07.1
    PIIX4: chipset revision 1
    PIIX4: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:pio
    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
    Probing IDE interface ide0...
    hda: QUANTUM FIREBALLP LM20.5, ATA DISK drive
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Probing IDE interface ide1...
    hdc: QUANTUM FIREBALL SE4.3A, ATA DISK drive
    hdd: LG CD-ROM CRD-8522B, ATAPI CD/DVD-ROM drive
    ide1 at 0x170-0x177,0x376 on irq 15
    hda: max request size: 128KiB
    hda: 40132503 sectors (20547 MB) w/1900KiB Cache, CHS=39813/16/63, UDMA(33)
    hda: cache flushes not supported
    hda: hda1
    hdc: max request size: 128KiB
    hdc: 8418816 sectors (4310 MB) w/80KiB Cache, CHS=14848/9/63, UDMA(33)
    hdc: cache flushes not supported
    hdc: hdc1 hdc2
    libata version 1.11 loaded.
    USB Universal Host Controller Interface driver v2.3
    uhci_hcd 0000:00:07.2: Intel Corporation 82371AB/EB/MB PIIX4 USB
    uhci_hcd 0000:00:07.2: new USB bus registered, assigned bus number 1
    uhci_hcd 0000:00:07.2: irq 19, io base 0x0000b000
    hub 1-0:1.0: USB hub found
    hub 1-0:1.0: 2 ports detected
    usbcore: registered new driver usblp
    drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
    usbcore: registered new driver hiddev
    usbcore: registered new driver usbhid
    drivers/usb/input/hid-core.c: v2.01:USB HID core driver
    mice: PS/2 mouse device common for all mice
    input: PC Speaker
    md: raid1 personality registered as nr 3
    md: md driver 0.90.2 MAX_MD_DEVS=256, MD_SB_DISKS=27
    md: bitmap version 3.38
    NET: Registered protocol family 2
    input: AT Translated Set 2 keyboard on isa0060/serio0
    IP: routing cache hash table of 512 buckets, 12Kbytes
    TCP established hash table entries: 16384 (order: 6, 393216 bytes)
    TCP bind hash table entries: 16384 (order: 6, 327680 bytes)
    TCP: Hash tables configured (established 16384 bind 16384)
    TCP reno registered
    GRE over IPv4 tunneling driver
    ip_conntrack version 2.1 (2048 buckets, 16384 max) - 212 bytes per conntrack
    ip_tables: (C) 2000-2002 Netfilter core team
    NET: Registered protocol family 1
    NET: Registered protocol family 17
    Testing NMI watchdog ... OK.
    Starting balanced_irq
    Using IPI Shortcut mode
    BIOS EDD facility v0.16 2004-Jun-25, 2 devices found
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.
    kjournald starting. Commit interval 5 seconds
    EXT3-fs: mounted filesystem with ordered data mode.
    VFS: Mounted root (ext3 filesystem) readonly.
    Freeing unused kernel memory: 224k freed
    Unable to handle kernel paging request at virtual address 6b6b6ceb
    printing eip:
    c018b51c
    *pde = 00000000
    Oops: 0002 [#1]
    SMP
    Modules linked in:
    CPU: 1
    EIP: 0060:[<c018b51c>] Not tainted VLI
    EFLAGS: 00010206 (2.6.12-mm2)
    EIP is at sysfs_release+0x3f/0x79
    eax: 6b6b6beb ebx: 6b6b6b6b ecx: ce5b5e64 edx: 00000000
    esi: cf266ca4 edi: cfa3a544 ebp: ce635f50 esp: ce635f44
    ds: 007b es: 007b ss: 0068
    Process udev (pid: 1286, threadinfo=ce634000 task=c1fe6040)
    Stack: 00000010 c1ca8b78 c1d4656c ce635f74 c01580b2 00000000 cf399e10 cf399e10
    ce5b5e64 c1d4656c c1cb275c 00000000 ce635f84 c0157f36 c1cb275c c1d4656c
    ce635f9c c0156873 00000004 00000004 c1cb275c c1cb2760 ce635fb4 c015690a
    Call Trace:
    [<c0103a18>] show_stack+0x7c/0x92
    [<c0103b99>] show_registers+0x152/0x1ca
    [<c0103d96>] die+0xf4/0x16f
    [<c011433f>] do_page_fault+0x466/0x684
    [<c0103683>] error_code+0x4f/0x54
    [<c01580b2>] __fput+0x176/0x1a9
    [<c0157f36>] fput+0x3b/0x41
    [<c0156873>] filp_close+0x36/0x65
    [<c015690a>] sys_close+0x68/0x83
    [<c0102b13>] sysenter_past_esp+0x54/0x75
    Code: 58 8b 70 14 8b 41 58 8b 40 14 85 f6 8b 58 04 74 07 89 f0 e8 8b 22 05 00 85 db 74 1a b8 00 e0 ff ff 21 e0 8b 40 10 c1 e0 07 01 d8 <ff> 88 00 01 00 00 83 3b 02 74 22 85 ff 74 0e 8b 47 0c 85 c0 75

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