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    SubjectRe: Boot hangs on IBM T60
    On Mon, 20 Aug 2007 16:10:11 +0100 (BST) sk malik wrote:

    > Hi, all
    >
    > It happens very rarely that the system hangs while
    > booting.
    >
    > The last message on console is :
    >
    > Activating device mapper..
    >
    > I dont' get any oops and the system works without any
    > problem if it boots. :)
    >
    > uname -a gives
    > 2.6.18.8-0.5-default #1 SMP Fri Jun 22 12:17:53 UTC
    > 2007 i686 i686 i386 GNU/Linux
    >
    > Let me know if you need more information, with the
    > steps to generate that info. :)
    >
    > I am pasting a few lines which fall above and below
    > the mapper activation as shown by dmesg for a
    > successful boot.
    >
    > Thanks
    > Sri
    >
    > Yenta: ISA IRQ mask 0x0cf0, PCI irq 169
    > Socket status: 30000007
    > pcmcia: parent PCI bridge I/O window: 0xa000 - 0xdfff
    > cs: IO port probe 0xa000-0xdfff: clean.
    > pcmcia: parent PCI bridge Memory window: 0xe4300000 -
    > 0xe7ffffff
    > pcmcia: parent PCI bridge Memory window: 0xe0000000 -
    > 0xe3ffffff
    > ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 17 (level,
    > low) -> IRQ 82
    > PCI: Setting latency timer of device 0000:03:00.0 to
    > 64
    > ACPI: PCI Interrupt 0000:00:1b.0[B] -> GSI 17 (level,
    > low) -> IRQ 82
    > PCI: Setting latency timer of device 0000:00:1b.0 to
    > 64
    > ipw3945: Detected Intel PRO/Wireless 3945ABG Network
    > Connection
    > cs: IO port probe 0x100-0x3af: clean.
    > cs: IO port probe 0x3e0-0x4ff: excluding 0x4d0-0x4d7
    > cs: IO port probe 0x820-0x8ff: clean.
    > cs: IO port probe 0xc00-0xcf7: clean.
    > cs: IO port probe 0xa00-0xaff: clean.
    > ipw3945: Radio Frequency Kill Switch is On:
    > Kill switch must be turned off for wireless networking
    > to work.
    > Adding 1004020k swap on /dev/sda7. Priority:-1
    > extents:1 across:1004020k
    > ##Here I get the "activating device mapper" on
    > console##
    > device-mapper: ioctl: 4.7.0-ioctl (2006-06-24)
    > initialised: dm-devel@redhat.com
    > loop: loaded (max 8 devices)
    > ReiserFS: sda6: found reiserfs format "3.6" with
    > standard journal
    > ReiserFS: sda6: using ordered data mode
    > reiserfs: using flush barriers
    > ReiserFS: sda6: journal params: device sda6, size
    > 8192, journal first block 18, max trans len 1024, max
    > batch 900, max commit age 30, max trans age 30
    > ReiserFS: sda6: checking transaction log (sda6)
    > ReiserFS: sda6: Using r5 hash to sort names
    > NTFS driver 2.1.27 [Flags: R/W MODULE].
    > NTFS volume version 3.1.
    > ACPI: AC Adapter [AC] (off-line)
    > ACPI: Battery Slot [BAT0] (battery present)
    > ACPI: Power Button (FF) [PWRF]
    > ACPI: Lid Switch [LID]
    > ACPI: Sleep Button (CM) [SLPB]

    Can you capture the boot log with another machine, either
    via serial console or netconsole?
    (See Documentation/serial-console.txt or
    Documentation/networking/netconsole.txt).

    If not, try booting with "initcall_debug" on the kernel boot line
    and post that boot log so we can see the last initcall that was made.


    ---
    ~Randy
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