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    SubjectRe: 2.6.12 initrd module loading seems parallel on bootup


    The kernel is panic'ed trying to mount even before the sym53c8xx driver
    has completed SCSI bus detection, the MD driver does not find any
    volumes (since neither the cpqarray.ko or sym53c8xx.ko have registered
    any disks on the system yet).

    I have also witnessed (when booting 2.6.12.1) what appeared to be
    ext3.ko load failure, I think due to jbd.ko not having chance to
    register its exported symbols before ext3.ko needs to find them.


    The broken sequence on 2.6.12 (excuse any errors, this has been typed in
    not pasted) it would be handy to allow Shift-Page Up to work from a
    panic, "unable to mount root" or "unable to exec init" if that were
    possible.

    You can see the out of place "input: AT Translated Set 2 keyboard on
    isa0060/serio0" and "Compaq SMART2 Driver (v 2.6.0)" the elapsed time to
    print all these messages is < 1.5 seconds.

    RedHat nash version 4.1.18 stable
    Mounting /proc filesystem
    Mounting sysfs
    Creating /dev
    Starting udev
    input: AT Translated Set 2 keyboard on isa0060/serio0
    Loading scsi_mod.ko module
    Loading sd_mod.ko module
    SCSI subsystem initialized
    Loading scsi_transport_spi.ko module
    Loading sym53c8xx.ko module
    Loading cpqarray.ko module
    Loading raid1.ko module
    Loading jbd.ko module
    Loading ext3.ko module
    ACPI: PCI interrupt 0000:05:04.0[A] -> GSI 22 (level, low) -> IRQ 169
    sym0: <896> rev 0x5 at pci 0000:05:04.0 irq 177
    Compaq SMART2 Driver (v 2.6.0)
    sym0: No NVRAM, ID 7, Fast-40, LVD, parity checking
    sym0: SCSI BUS has been reset.
    scsi0 : sym-2.2.0
    md: raid1 personality registered as nr 3
    md: Autodetecting RAID arrays.
    md: ... autorun DONE.
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.

    Creating root device
    Mounting root filesystem
    mount: error 19 mounting ext3
    mount: error 2 mounting none
    Switching to new root
    switchroot: mount failed: 22
    umount /initrd /dev failed: 2
    kernel panic - not syncing: Attempted to kill init!
    <0>Rebooting in 240 seconds...



    The following is what a healthy 2.6.11.12 bootup on the same system looks like:


    Freeing unused kernel memory: 232k freed
    SCSI subsystem initialized
    Compaq SMART2 Driver (v 2.6.0)
    cpqarray: Device 0xae10 has been found at bus 6 dev 0 func 0
    ACPI: PCI interrupt 0000:06:00.0[A] -> GSI 30 (level, low) -> IRQ 169
    cpqarray: Finding drives on ida0 (Smart Array 3200)
    cpqarray ida/c0d0: blksz=512 nr_blks=35561280
    cpqarray ida/c0d1: blksz=512 nr_blks=71130720
    cpqarray ida/c0d2: blksz=512 nr_blks=17764320
    cpqarray ida/c0d3: blksz=512 nr_blks=35838720
    ida/c0d0: p1 p2
    ida/c0d1: p1
    ida/c0d2: p1 p2
    ida/c0d3: p1
    ACPI: PCI interrupt 0000:05:04.0[A] -> GSI 22 (level, low) -> IRQ 177
    sym0: <896> rev 0x5 at pci 0000:05:04.0 irq 177
    sym0: No NVRAM, ID 7, Fast-40, LVD, parity checking
    sym0: SCSI BUS has been reset.
    scsi0 : sym-2.1.18n
    Vendor: COMPAQ Model: BD30088279 Rev: HPB0
    Type: Direct-Access ANSI SCSI revision: 03
    sym0:0:0: tagged command queuing enabled, command queue depth 16.
    target0:0:0: Beginning Domain Validation
    sym0:0: wide asynchronous.
    sym0:0: FAST-40 WIDE SCSI 80.0 MB/s ST (25.0 ns, offset 31)
    target0:0:0: Ending Domain Validation
    SCSI device sda: 585937500 512-byte hdwr sectors (300000 MB)
    SCSI device sda: drive cache: write through
    SCSI device sda: 585937500 512-byte hdwr sectors (300000 MB)
    SCSI device sda: drive cache: write through
    sda: sda1 sda2 sda3 sda4
    Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
    Vendor: COMPAQ Model: BD30088279 Rev: HPB0
    Type: Direct-Access ANSI SCSI revision: 03
    sym0:4:0: tagged command queuing enabled, command queue depth 16.
    target0:0:4: Beginning Domain Validation
    sym0:4: wide asynchronous.
    sym0:4: FAST-40 WIDE SCSI 80.0 MB/s ST (25.0 ns, offset 31)
    target0:0:4: Ending Domain Validation
    SCSI device sdb: 585937500 512-byte hdwr sectors (300000 MB)
    SCSI device sdb: drive cache: write through
    SCSI device sdb: 585937500 512-byte hdwr sectors (300000 MB)
    SCSI device sdb: drive cache: write through
    SCSI device sdb: drive cache: write through
    sdb: sdb1 sdb2 sdb3 sdb4
    Attached scsi disk sdb at scsi0, channel 0, id 4, lun 0
    ACPI: PCI interrupt 0000:05:04.1[B] -> GSI 21 (level, low) -> IRQ 185
    sym1: <896> rev 0x5 at pci 0000:05:04.1 irq 185
    sym1: No NVRAM, ID 7, Fast-40, LVD, parity checking
    sym1: SCSI BUS has been reset.
    scsi1 : sym-2.1.18n
    md: raid1 personality registered as nr 3
    md: Autodetecting RAID arrays.
    md: invalid raid superblock magic on sda4
    md: sda4 has invalid sb, not importing!
    md: invalid raid superblock magic on sdb4
    md: sdb4 has invalid sb, not importing!
    md: autorun ...
    md: considering sdb3 ...
    md: adding sdb3 ...
    md: sdb2 has different UUID to sdb3
    md: sdb1 has different UUID to sdb3
    md: adding sda3 ...
    md: sda2 has different UUID to sdb3
    md: sda1 has different UUID to sdb3
    md: created md2
    md: bind<sda3>
    md: bind<sdb3>
    md: running: <sdb3><sda3>
    raid1: raid set md2 active with 2 out of 2 mirrors
    md: considering sdb2 ...
    md: adding sdb2 ...
    md: sdb1 has different UUID to sdb2
    md: adding sda2 ...
    md: sda1 has different UUID to sdb2
    md: created md0
    md: bind<sda2>
    md: bind<sdb2>
    md: running: <sdb2><sda2>
    raid1: raid set md0 active with 2 out of 2 mirrors
    md: considering sdb1 ...
    md: adding sdb1 ...
    md: adding sda1 ...
    md: created md1
    md: bind<sda1>
    md: bind<sdb1>
    md: running: <sdb1><sda1>
    raid1: raid set md1 active with 2 out of 2 mirrors
    md: ... autorun DONE.
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.
    md: Autodetecting RAID arrays.
    md: autorun ...
    md: ... autorun DONE.
    kjournald starting. Commit interval 5 seconds
    EXT3-fs: mounted filesystem with ordered data mode.

    Hope this helps


    --
    Darryl L. Miles


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