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    SubjectRe: 2.6.17-rc5-mm1
    Hi,

    On 30/05/06, Andrew Morton <akpm@osdl.org> wrote:
    >
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm1/
    >

    I resend this one. It contains additional debug info

    ============================
    [ BUG: illegal lock usage! ]
    ----------------------------
    illegal {in-hardirq-W} -> {hardirq-on-W} usage.
    events/1/9 [HC0[0]:SC1[1]:HE1:SE0] takes:
    (&base->lock#2){++..}, at: [<c0128115>] run_timer_softirq+0x42/0x17a
    {in-hardirq-W} state was registered at:
    [<c013869a>] lockdep_acquire+0x50/0x68
    [<c02eae04>] _spin_lock_irqsave+0x2d/0x3c
    [<c0128b42>] lock_timer_base+0x1f/0x3a
    [<c0128bfd>] __mod_timer+0x29/0xaa
    [<c0128f48>] mod_timer+0x32/0x36
    [<c02903da>] i8042_interrupt+0x21/0x1fb
    [<c014c0c8>] handle_IRQ_event+0x1d/0x52
    [<c014d007>] handle_edge_irq+0xc7/0x10c
    [<c01054ca>] do_IRQ+0x86/0xac
    irq event stamp: 44459
    hardirqs last enabled at (44458): [<c02eb137>] _spin_unlock_irq+0x24/0x47
    hardirqs last disabled at (44459): [<c02ead78>] _spin_lock_irq+0x11/0x38
    softirqs last enabled at (44446): [<c012492d>] __do_softirq+0xf0/0xf8
    softirqs last disabled at (44453): [<c01053e5>] do_softirq+0x5e/0xbd

    other info that might help us debug this:
    1 locks held by events/1/9:
    #0: (&base->lock#2){++..}, at: [<c0128115>] run_timer_softirq+0x42/0x17a

    stack backtrace:
    [<c0104208>] show_trace+0x1b/0x20
    [<c01042e6>] dump_stack+0x1f/0x24
    [<c0136cbc>] print_usage_bug+0x1a5/0x1b1
    [<c01372ef>] mark_lock+0x21d/0x3e7
    [<c01374fc>] mark_held_locks+0x43/0x63
    [<c0138421>] trace_hardirqs_on+0xc4/0x10b
    [<c02eb512>] restore_nocheck+0x8/0xb
    =======================
    ---------------------------
    | preempt count: 00000003 ]
    | 3-level deep critical section nesting:
    ----------------------------------------
    .. [<c02ead7f>] .... _spin_lock_irq+0x18/0x38
    .....[<c0128115>] .. ( <= run_timer_softirq+0x42/0x17a)
    .. [<c011fe13>] .... vprintk+0x15/0x2e0
    .....[<c01200f8>] .. ( <= printk+0x1a/0x1c)
    .. [<c02eadf2>] .... _spin_lock_irqsave+0x1b/0x3c
    .....[<c011f923>] .. ( <= release_console_sem+0x1f/0x1e5)

    Here is dmesg
    http://www.stardust.webpages.pl/files/mm/2.6.17-rc5-mm1/mm-dmesg4

    Here is config
    http://www.stardust.webpages.pl/files/mm/2.6.17-rc5-mm1/mm-config4

    Regards,
    Michal

    --
    Michal K. K. Piotrowski
    LTG - Linux Testers Group
    (http://www.stardust.webpages.pl/ltg/wiki/)
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