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/
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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