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    SubjectRe: 2.6.15-mm3


    On 12/01/2006 1:21 a.m., Andrew Morton wrote:
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.15/2.6.15-mm3/
    >
    > - New config options (VMSPLIT_*) to permit non-standard user/kernel
    > splitting on x86. Needs testing please.
    >
    > - Lots of updates to the USB, PCI, driver and I2C trees. This is usually a
    > worry.
    >
    > - Multiblock allocation speedup for ext3. This is only used by direct-IO at
    > present.
    >
    > - Reminder: -mm kernel commit activity can be reviewed by subscribing to the
    > mm-commits mailing list.
    >
    > echo "subscribe mm-commits" | mail marordomo@vger.kernel.org
    >
    > - If you hit a bug in -mm and it's not obvious which patch caused it, it is
    > most valuable if you can perform a bisection search to identify which patch
    > introduced the bug. Instructions for this process are at
    >
    > http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt
    >
    > But beware that this process takes some time (around ten rebuilds and
    > reboots), so consider reporting the bug first and if we cannot immediately
    > identify the faulty patch, then perform the bisection search.

    I'm not sure if this is new to -mm3, but it's the first time I have seen it.

    The sequence of events leading up to this was to reboot the machine, it came up
    and crashed:

    Call Trace:
    [<c0103c5d>] show_stack+0x9b/0xc0
    [<c0103de4>] show_registers+0x162/0x1e7
    [<c0103f8f>] die+0x126/0x231
    [<c01140db>] do_page_fault+0x271/0x5b9
    [<c01037df>] error_code+0x4f/0x54
    [<c023cabd>] class_device_del+0xa3/0x156
    [<c023cb7b>] class_device_unregister+0xb/0x15
    [<c0255dbf>] scsi_remove_host+0xb4/0xef

    See the previous bug report about this one that I just posted in it's original
    thread. I had to reset the box to clear that one.

    After rebooting, now a new problem:

    Linux version 2.6.15-mm3 (root@tornado.reub.net) (gcc version 4.1.0 20060106
    (Red Hat 4.1.0-0.14)) #4 SMP Thu Jan 12 16:26:28 NZDT 2006
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
    BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000e6000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 000000003fe2f800 (usable)
    BIOS-e820: 000000003fe2f800 - 000000003fe3f8e3 (ACPI NVS)
    BIOS-e820: 000000003ff2f800 - 000000003ff30000 (ACPI NVS)
    BIOS-e820: 000000003ff30000 - 000000003ff40000 (ACPI data)
    BIOS-e820: 000000003ff40000 - 000000003fff0000 (ACPI NVS)
    BIOS-e820: 000000003fff0000 - 0000000040000000 (reserved)
    BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
    BIOS-e820: 00000000fed13000 - 00000000fed1a000 (reserved)
    BIOS-e820: 00000000fed1c000 - 00000000feda0000 (reserved)
    126MB HIGHMEM available.
    896MB LOWMEM available.
    found SMP MP-table at 000ff780
    DMI 2.3 present.
    ACPI: PM-Timer IO Port: 0x408
    ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
    Processor #0 15:3 APIC version 20
    ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
    Processor #1 15:3 APIC version 20
    ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
    ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
    ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
    IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
    ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
    ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
    Enabling APIC mode: Flat. Using 1 I/O APICs
    Using ACPI (MADT) for SMP configuration information
    Allocating PCI resources starting at 50000000 (gap: 40000000:a0000000)
    Detected 2800.156 MHz processor.
    Built 1 zonelists
    Enabling fast FPU save and restore... done.
    Enabling unmasked SIMD FPU exception support... done.
    Initializing CPU#0
    Kernel command line: ro root=/dev/md0 panic=60 console=ttyS0,57600
    CPU 0 irqstacks, hard=c040a000 soft=c0408000
    PID hash table entries: 4096 (order: 12, 65536 bytes)
    Console: colour VGA+ 80x25
    Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
    Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
    Memory: 1033552k/1046716k available (2161k kernel code, 12500k reserved, 713k
    data, 204k init, 129212k highmem)
    Checking if this processor honours the WP bit even in supervisor mode... Ok.
    Calibrating delay using timer specific routine.. 5607.77 BogoMIPS (lpj=11215558)
    Mount-cache hash table entries: 512
    monitor/mwait feature present.
    using mwait in idle threads.
    CPU: Trace cache: 12K uops, L1 D cache: 16K
    CPU: L2 cache: 1024K
    CPU: Physical Processor ID: 0
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#0.
    CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
    CPU0: Thermal monitoring enabled
    mtrr: v2.0 (20020519)
    Checking 'hlt' instruction... OK.
    CPU0: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 04
    Booting processor 1/1 eip 2000
    CPU 1 irqstacks, hard=c040b000 soft=c0409000
    Initializing CPU#1
    Calibrating delay using timer specific routine.. 5600.66 BogoMIPS (lpj=11201332)
    monitor/mwait feature present.
    CPU: Trace cache: 12K uops, L1 D cache: 16K
    CPU: L2 cache: 1024K
    CPU: Physical Processor ID: 0
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#1.
    CPU1: Intel P4/Xeon Extended MCE MSRs (12) available
    CPU1: Thermal monitoring enabled
    CPU1: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 04
    Total of 2 processors activated (11208.44 BogoMIPS).
    ENABLING IO-APIC IRQs
    ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
    checking TSC synchronization across 2 CPUs: passed.
    Brought up 2 CPUs
    migration_cost=144
    NET: Registered protocol family 16
    ACPI: bus type pci registered
    PCI: Using MMCONFIG
    ACPI: Subsystem revision 20051216
    ACPI: Interpreter enabled
    ACPI: Using IOAPIC for interrupt routing
    ACPI: PCI Root Bridge [PCI0] (0000:00)
    PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
    PCI: Transparent bridge - 0000:00:1e.0
    ACPI: Power Resource [URP1] (off)
    ACPI: Power Resource [FDDP] (off)
    ACPI: Power Resource [LPTP] (off)
    ACPI: Power Resource [URP2] (off)
    ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *7 9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKC] (IRQs *3 4 5 6 7 9 10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
    ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
    ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
    ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
    ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 *9 10 11 12 14 15)
    SCSI subsystem initialized
    usbcore: registered new driver usbfs
    usbcore: registered new driver hub
    PCI: Using ACPI for IRQ routing
    PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
    PCI: Bridge: 0000:00:01.0
    IO window: disabled.
    MEM window: ffa00000-ffafffff
    PREFETCH window: fdf00000-fdffffff
    PCI: Bridge: 0000:00:1c.0
    IO window: disabled.
    MEM window: ff600000-ff6fffff
    PREFETCH window: fdb00000-fdbfffff
    PCI: Bridge: 0000:00:1c.1
    IO window: a000-afff
    MEM window: ff700000-ff7fffff
    PREFETCH window: fdc00000-fdcfffff
    PCI: Bridge: 0000:00:1c.2
    IO window: disabled.
    MEM window: ff800000-ff8fffff
    PREFETCH window: fdd00000-fddfffff
    PCI: Bridge: 0000:00:1c.3
    IO window: disabled.
    MEM window: ff900000-ff9fffff
    PREFETCH window: fde00000-fdefffff
    PCI: Bridge: 0000:00:1e.0
    IO window: b000-bfff
    MEM window: ff500000-ff5fffff
    PREFETCH window: fe000000-fe7fffff
    ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 16 (level, low) -> IRQ 169
    ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 17 (level, low) -> IRQ 177
    PCI: Enabling device 0000:00:1c.1 (0106 -> 0107)
    ACPI: PCI Interrupt 0000:00:1c.1[B] -> GSI 16 (level, low) -> IRQ 169
    ACPI: PCI Interrupt 0000:00:1c.2[C] -> GSI 18 (level, low) -> IRQ 185
    ACPI: PCI Interrupt 0000:00:1c.3[D] -> GSI 19 (level, low) -> IRQ 193
    Machine check exception polling timer started.
    highmem bounce pool size: 64 pages
    Initializing Cryptographic API
    io scheduler noop registered<6>Time: tsc clocksource has been installed.

    io scheduler anticipatory registered
    io scheduler deadline registered
    io scheduler cfq registered
    ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 16 (level, low) -> IRQ 169
    assign_interrupt_mode Found MSI capability
    ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 17 (level, low) -> IRQ 177
    assign_interrupt_mode Found MSI capability
    ACPI: PCI Interrupt 0000:00:1c.1[B] -> GSI 16 (level, low) -> IRQ 169
    assign_interrupt_mode Found MSI capability
    ACPI: PCI Interrupt 0000:00:1c.2[C] -> GSI 18 (level, low) -> IRQ 185
    assign_interrupt_mode Found MSI capability
    ACPI: PCI Interrupt 0000:00:1c.3[D] -> GSI 19 (level, low) -> IRQ 193
    assign_interrupt_mode Found MSI capability
    ACPI: Power Button (FF) [PWRF]
    ACPI: Power Button (CM) [PWRB]
    ACPI: Processor [CPU1] (supports 8 throttling states)
    ACPI: Processor [CPU2] (supports 8 throttling states)
    Real Time Clock Driver v1.12ac
    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 $ 4 ports, IRQ sharing enabled
    ÿserial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    ACPI: PCI Interrupt 0000:06:02.0[A] -> GSI 18 (level, low) -> IRQ 185
    0000:06:02.0: ttyS1 at I/O 0xbc00 (irq = 185) is a 16550A
    0000:06:02.0: ttyS2 at I/O 0xbc08 (irq = 185) is a 16550A
    Floppy drive(s): fd0 is 1.44M
    FDC 0 is a post-1991 82077
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 193
    ahci 0000:00:1f.2: AHCI 0001.0000 32 slots 4 ports 1.5 Gbps 0xf impl SATA mode
    ahci 0000:00:1f.2: flags: 64bit ncq led slum part
    ata1: SATA max UDMA/133 cmd 0xF8804D00 ctl 0x0 bmdma 0x0 irq 50
    ata2: SATA max UDMA/133 cmd 0xF8804D80 ctl 0x0 bmdma 0x0 irq 50
    ata3: SATA max UDMA/133 cmd 0xF8804E00 ctl 0x0 bmdma 0x0 irq 50
    ata4: SATA max UDMA/133 cmd 0xF8804E80 ctl 0x0 bmdma 0x0 irq 50
    ata1: SATA link up 1.5 Gbps (SStatus 113)
    ata1 is slow to respond, please be patient
    ata1 failed to respond (30 secs)
    scsi0 : ahci
    ata2: SATA link up 1.5 Gbps (SStatus 113)
    ata2 is slow to respond, please be patient
    ata2 failed to respond (30 secs)
    scsi1 : ahci
    ata3: SATA link up 1.5 Gbps (SStatus 113)
    ata3 is slow to respond, please be patient
    ata3 failed to respond (30 secs)
    scsi2 : ahci
    ata4: SATA link down (SStatus 0)
    scsi3 : ahci
    ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 23 (level, low) -> IRQ 58
    ehci_hcd 0000:00:1d.7: EHCI Host Controller
    ehci_hcd 0000:00:1d.7: debug port 1
    ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1
    ehci_hcd 0000:00:1d.7: irq 58, io mem 0xff4ff800
    ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
    usb usb1: configuration #1 chosen from 1 choice
    hub 1-0:1.0: USB hub found
    hub 1-0:1.0: 8 ports detected
    USB Universal Host Controller Interface driver v3.0
    ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 23 (level, low) -> IRQ 58
    uhci_hcd 0000:00:1d.0: UHCI Host Controller
    uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
    uhci_hcd 0000:00:1d.0: irq 58, io base 0x0000cc00
    usb usb2: configuration #1 chosen from 1 choice
    hub 2-0:1.0: USB hub found
    hub 2-0:1.0: 2 ports detected
    ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 193
    uhci_hcd 0000:00:1d.1: UHCI Host Controller
    uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
    uhci_hcd 0000:00:1d.1: irq 193, io base 0x0000d000
    usb usb3: configuration #1 chosen from 1 choice
    hub 3-0:1.0: USB hub found
    hub 3-0:1.0: 2 ports detected
    ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 185
    uhci_hcd 0000:00:1d.2: UHCI Host Controller
    uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
    uhci_hcd 0000:00:1d.2: irq 185, io base 0x0000d400
    usb usb4: configuration #1 chosen from 1 choice
    hub 4-0:1.0: USB hub found
    hub 4-0:1.0: 2 ports detected
    ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 16 (level, low) -> IRQ 169
    uhci_hcd 0000:00:1d.3: UHCI Host Controller
    uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5
    uhci_hcd 0000:00:1d.3: irq 169, io base 0x0000d800
    usb usb5: configuration #1 chosen from 1 choice
    hub 5-0:1.0: USB hub found
    hub 5-0:1.0: 2 ports detected
    Initializing USB Mass Storage driver...
    irq 193: nobody cared (try booting with the "irqpoll" option)
    [<c01041d9>] dump_stack+0x17/0x19
    [<c0139f47>] __report_bad_irq+0x27/0x83
    [<c013a021>] note_interrupt+0x7e/0x21d
    [<c0139af4>] __do_IRQ+0xd3/0xef
    [<c0105038>] do_IRQ+0x3d/0x57
    =======================
    [<c0103686>] common_interrupt+0x1a/0x20
    [<c0101bc4>] cpu_idle+0x63/0x78
    [<c0100615>] rest_init+0x23/0x2e
    [<c03d070f>] start_kernel+0x2ca/0x34b
    [<c0100210>] 0xc0100210
    handlers:
    [<c027017e>] (usb_hcd_irq+0x0/0x56)
    Disabling IRQ #193
    usb 5-1: new full speed USB device using uhci_hcd and address 2
    usb 5-1: configuration #1 chosen from 1 choice
    usb 5-2: new full speed USB device using uhci_hcd and address 3
    usb 5-2: configuration #1 chosen from 1 choice
    hub 5-2:1.0: USB hub found
    hub 5-2:1.0: 4 ports detected
    usb 5-2.1: new low speed USB device using uhci_hcd and address 4
    usb 5-2.1: configuration #1 chosen from 1 choice
    usbcore: registered new driver usb-storage
    USB Mass Storage support registered.
    usbcore: registered new driver libusual
    usbcore: registered new driver hiddev
    input: Belkin Components Belkin OmniView KVM Switch as /class/input/input0
    input: USB HID v1.00 Keyboard [Belkin Components Belkin OmniView KVM Switch] on
    usb-0000:00:1d.3-2.1
    input: Belkin Components Belkin OmniView KVM Switch as /class/input/input1
    input: USB HID v1.00 Mouse [Belkin Components Belkin OmniView KVM Switch] on
    usb-0000:00:1d.3-2.1
    usbcore: registered new driver usbhid
    drivers/usb/input/hid-core.c: v2.6:USB HID core driver
    mice: PS/2 mouse device common for all mice
    md: raid1 personality registered for level 1
    md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
    md: bitmap version 4.39
    NET: Registered protocol family 2
    IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
    TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
    TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
    TCP: Hash tables configured (established 131072 bind 65536)
    TCP reno registered
    IPv4 over IPv4 tunneling driver
    ip_conntrack version 2.4 (8177 buckets, 65416 max) - 212 bytes per conntrack
    ip_tables: (C) 2000-2002 Netfilter core team
    ipt_recent v0.3.1: Stephen Frost <sfrost@snowman.net>.
    http://snowman.net/projects/ipt_recent/
    arp_tables: (C) 2002 David S. Miller
    TCP bic registered
    NET: Registered protocol family 1
    NET: Registered protocol family 17
    p4-clockmod: P4/Xeon(TM) CPU On-Demand Clock Modulation available
    Starting balanced_irq
    Using IPI Shortcut mode
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.
    ReiserFS: md0: warning: sh-2006: read_super_block: bread failed (dev md0, block
    2, size 4096)
    ReiserFS: md0: warning: sh-2006: read_super_block: bread failed (dev md0, block
    16, size 4096)
    EXT3-fs: unable to read superblock
    EXT2-fs: unable to read superblock
    isofs_fill_super: bread failed, dev=md0, iso_blknum=16, block=32
    Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(9,0)

    Then cold booted/power cycled again, and it came up OK (and it's still up).

    I reported a bug in November about SATA timing out in a similar fashion when
    booted on an SMP kernel but with 'nosmp' on the kernel command line, it had
    similar symptoms FWIW, and may or may not be something related.

    Reuben


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