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    SubjectRe: 2.6.26-git0: IDE oops during boot
    Bartlomiej Zolnierkiewicz wrote:
    > Hi,
    >
    > On Wednesday 06 February 2008, Pavel Machek wrote:
    >> On Wed 2008-02-06 11:53:34, Pavel Machek wrote:
    >>> Hi!
    >>>
    >>> Trying to boot 2.6.25-git0 (few days old), I get
    >>>
    >>> BUG: unable to handle kernel paging request at ffff..ffb0
    >>> IP at init_irq+0x42e
    >
    > init_irq? hmm...
    >
    >>> Call trace:
    >>> ide_device_add_all
    >
    > this comes from ide-generic
    > (Generic IDE host driver)
    >
    >>> ide_generic_init
    >>> kernel_init
    >>> child_rip
    >>> vgacon_cursor
    >>> kernel_init
    >>> child_rip
    >>>
    >>> Excerpt from config:
    >>>
    >>> CONFIG_IDE=y
    >>> CONFIG_BLK_DEV_IDE=y
    >> Disabling CONFIG_IDE made my machine boot, as it was using libata
    >> anyway.
    >
    > Kamalesh/Pavel:
    >
    > Could you try latest git and see if the OOPS is still there?
    >
    > [ Yeah, I'm unable to reproduce it. :( ]
    >
    > Thanks,
    > Bart
    Hi Bart,

    The panic is reproducible with the 2.6.24-git16 kernel, the call trace is
    similar to the previous one

    BUG: unable to handle kernel paging request at ffffffffffffffa0
    IP: [<ffffffff80415673>] init_irq+0x188/0x444
    PGD 203067 PUD 204067 PMD 0
    Oops: 0000 [1] SMP
    CPU 3
    Modules linked in:
    Pid: 1, comm: swapper Not tainted 2.6.24-git16 #1
    RIP: 0010:[<ffffffff80415673>] [<ffffffff80415673>] init_irq+0x188/0x444
    RSP: 0000:ffff81022f093e00 EFLAGS: 00010282
    RAX: ffffffffffffff80 RBX: ffffffff808ad200 RCX: 0000000000000000
    RDX: 00000000ffffffff RSI: ffff81022fc039c0 RDI: ffffffff807512c0
    RBP: ffff81022f093e30 R08: ffff81022f093d70 R09: 0000000000000002
    R10: 0000000000000001 R11: ffff81022f093c00 R12: ffffffff808b4500
    R13: ffffffff808b4510 R14: 0000000000000000 R15: ffffffffffffffff
    FS: 0000000000000000(0000) GS:ffff81022f0e7ac0(0000) knlGS:0000000000000000
    CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
    CR2: ffffffffffffffa0 CR3: 0000000000201000 CR4: 00000000000006e0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process swapper (pid: 1, threadinfo ffff81022f092000, task ffff81022f0797e0)
    Stack: ffff81022f093e30 0000000000000000 ffffffff808ad200 ffffffff808ad220
    ffffffff808add80 0000000000000000 ffff81022f093eb0 ffffffff8041648f
    ffff81022f093ec0 0000000000000000 0000000080751ee0 0000000000000246
    Call Trace:
    [<ffffffff8041648f>] ide_device_add_all+0xb60/0xe54
    [<ffffffff807d6d48>] ide_generic_init+0x46/0x4a
    [<ffffffff807b873b>] kernel_init+0x175/0x2e7
    [<ffffffff8020bff8>] child_rip+0xa/0x12
    [<ffffffff8037476c>] acpi_ds_init_one_object+0x0/0x88
    [<ffffffff807b85c6>] kernel_init+0x0/0x2e7
    [<ffffffff8020bfee>] child_rip+0x0/0x12


    Code: 89 03 49 8b 45 18 48 89 18 48 39 1b 75 04 0f 0b eb fe fe 05 20 71 38 00 fb eb 5b 48 8b 83 20 07 00 00 83 ca ff 48 83 c0 80 74 0e <48> 8b 40 20 48 8b 80 88 00 00 00 8b 50 04 48 8b 3d 48 11 30 00
    RIP [<ffffffff80415673>] init_irq+0x188/0x444
    RSP <ffff81022f093e00>
    CR2: ffffffffffffffa0
    ---[ end trace 165798c72d52c3e3 ]---


    --
    Thanks & Regards,
    Kamalesh Babulal,
    Linux Technology Center,
    IBM, ISTL.


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