Hello, I wrote:
>>> int register_die_notifier(struct notifier_block *nb)
>>> {
>> BTW, I'm getting this warning on x86_64:
> Onl, with 2.6.21-rt7 appied
>>arch/x86_64/kernel/kgdb.c: In function `kgdb_arch_init':
>>arch/x86_64/kernel/kgdb.c:319: warning: passing arg 1 of
>>`atomic_notifier_chain_register' from incompatible pointer type
>> After looking at the code, it turned out that this is because
>>'die_chain' is dealred as 'struct raw_notifier_head' (the same is true
> I meant "declared". RT patch changed these for i386 and x86_64 -- I
> wonder
> if it should be done forother archs also (BTW, RT kernel stops as soon as the
> userland is started for some reason on my PPC board when I'm using 8250
> driver)...
I'm also getting this with RT patch applied on x86_64 SMP machine (with
low-latency desktop kernel) after hitting initial breakpoint:
BUG: at kernel/softirq.c:647 __tasklet_action()
Call Trace:
[<ffffffff8022e61a>] __tasklet_action+0xe7/0x138
[<ffffffff8022e693>] tasklet_action+0x28/0x2a
[<ffffffff8022e892>] ksoftirqd+0x149/0x1f3
[<ffffffff8022e749>] ksoftirqd+0x0/0x1f3
[<ffffffff8023d324>] kthread+0xdc/0x113
[<ffffffff8020adf8>] child_rip+0xa/0x12
[<ffffffff8023d44f>] kthread_create+0x6a/0x15c
[<ffffffff8023d248>] kthread+0x0/0x113
[<ffffffff8020adee>] child_rip+0x0/0x12
---------------------------
| preempt count: 00000100 ]
| 0-level deep critical section nesting:
----------------------------------------
And this before getting to the login prompt:
BUG: at kernel/softirq.c:647 __tasklet_action()
Call Trace:
<IRQ> [<ffffffff80259e5e>] kgdb_tasklet_bpt+0x22/0x24
[<ffffffff8022e61a>] __tasklet_action+0xe7/0x138
[<ffffffff8022e693>] tasklet_action+0x28/0x2a
[<ffffffff8022e11f>] ___do_softirq+0xbc/0x1a9
[<ffffffff8022e245>] __do_softirq+0x39/0x52
[<ffffffff8020b16c>] call_softirq+0x1c/0x28
[<ffffffff8020cf6d>] do_softirq+0x3d/0xb4
[<ffffffff8022e32a>] irq_exit+0x37/0x43
[<ffffffff80216d65>] smp_apic_timer_interrupt+0x49/0x64
[<ffffffff8020ac16>] apic_timer_interrupt+0x66/0x70
<EOI> [<ffffffff80259e30>] breakpoint+0xbf/0xcb
[<ffffffff808be6aa>] kgdb_late_entry+0xba/0xc3
[<ffffffff808a89ed>] init+0x19d/0x349
[<ffffffff80250f28>] add_preempt_count+0x2b/0x128
[<ffffffff8020adf8>] child_rip+0xa/0x12
[<ffffffff803f6fb0>] acpi_ds_init_one_object+0x0/0x88
[<ffffffff808a8850>] init+0x0/0x349
[<ffffffff8020adee>] child_rip+0x0/0x12
---------------------------
| preempt count: 00000101 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<ffffffff8062d867>] .... __spin_lock+0x21/0x84
.....[<ffffffff802446a4>] .. ( <= tick_sched_timer+0x108/0x142)
This is caused by failing check for TASKLET_STATE_SCHED bit...
WBR, Sergei
-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
Kgdb-bugreport mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
