Hi,
On 30/05/06, Andrew Morton <[email protected]> wrote:
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm1/
============================
[ BUG: illegal lock usage! ]
----------------------------
illegal {in-hardirq-W} -> {hardirq-on-W} usage.
udevd/415 [HC0[0]:SC1[1]:HE1:SE0] takes:
(&base->lock#2){++..}, at: [<c012900a>] run_timer_softirq+0x3d/0x164
{in-hardirq-W} state was registered at:
[<c0139a56>] lockdep_acquire+0x69/0x82
[<c02f23ac>] _spin_lock_irqsave+0x2a/0x3a
[<c0129a24>] lock_timer_base+0x29/0x55
[<c0129e48>] del_timer+0x19/0x4c
[<c025925d>] ide_intr+0x13b/0x1a9
[<c014c524>] handle_IRQ_event+0x20/0x50
[<c014d48c>] handle_edge_irq+0x10a/0x14f
[<c010579c>] do_IRQ+0xa1/0xc9
irq event stamp: 351479
hardirqs last enabled at (351478): [<c02f274c>] _spin_unlock_irq+0x22/0x53
hardirqs last disabled at (351479): [<c02f2324>] _spin_lock_irq+0xc/0x35
softirqs last enabled at (351434): [<c0125873>] __do_softirq+0xea/0xf0
softirqs last disabled at (351475): [<c0105689>] do_softirq+0x59/0xcb
other info that might help us debug this:
3 locks held by udevd/415:
#0: (&inode->i_mutex/1){--..}, at: [<c018150e>] lookup_create+0x1e/0x77
#1: (inode_lock){--..}, at: [<c018bf13>] new_inode+0x27/0x8e
#2: (&base->lock#2){++..}, at: [<c012900a>] run_timer_softirq+0x3d/0x164
stack backtrace:
[<c0103e52>] show_trace_log_lvl+0x4b/0xf4
[<c01044b3>] show_trace+0xd/0x10
[<c010457b>] dump_stack+0x19/0x1b
[<c0137d63>] print_usage_bug+0x1a1/0x1ab
[<c0138458>] mark_lock+0x2d7/0x514
[<c01386dc>] mark_held_locks+0x47/0x65
[<c0139745>] trace_hardirqs_on+0x12b/0x16f
[<c02f2b91>] restore_nocheck+0x8/0xb
Here is dmesg
http://www.stardust.webpages.pl/files/mm/2.6.17-rc5-mm1/mm-dmesg
Here is config
http://www.stardust.webpages.pl/files/mm/2.6.17-rc5-mm1/mm-config
Regards,
Michal
--
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)
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