From: Andrew Morton <andrewm@uow.edu.au>
To: "Manfred H. Winter" <mahowi@gmx.net>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: PROBLEM: [2.4.6] kernel BUG at softirq.c:206!
Date: Fri, 06 Jul 2001 01:23:48 +1000 [thread overview]
Message-ID: <3B448684.8355DB69@uow.edu.au> (raw)
In-Reply-To: <3B4450DF.82EEC851@uow.edu.au> <20010705162812.A602@marvin.mahowi.de>
"Manfred H. Winter" wrote:
>
> ...
> > --- linux-2.4.6/kernel/softirq.c Wed Jul 4 18:21:32 2001
> > +++ lk-ext3/kernel/softirq.c Thu Jul 5 21:32:08 2001
> > @@ -202,8 +202,10 @@ static void tasklet_hi_action(struct sof
> > if (!tasklet_trylock(t))
> > BUG();
> > repeat:
> > - if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state))
> > + if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state)) {
> > + printk("func: %p\n", t->func);
> > BUG();
> > + }
> > if (!atomic_read(&t->count)) {
> > local_irq_enable();
> > t->func(t->data);
> >
>
> Okay, here's the output of gdb:
>
> (gdb) x/10i 0xc0118028
> 0xc0118028 <bh_action>: mov 0x4(%esp,1),%eax
> 0xc011802c <bh_action+4>: cmpl $0x0,0xc025c2e4
> 0xc0118033 <bh_action+11>: jne 0xc0118043 <bh_action+27>
> 0xc0118035 <bh_action+13>: mov 0xc024af20(,%eax,4),%eax
> 0xc011803c <bh_action+20>: test %eax,%eax
> 0xc011803e <bh_action+22>: je 0xc0118042 <bh_action+26>
> 0xc0118040 <bh_action+24>: call *%eax
> 0xc0118042 <bh_action+26>: ret
> 0xc0118043 <bh_action+27>: lea (%eax,%eax,4),%eax
> 0xc0118046 <bh_action+30>: lea 0xc025bf80(,%eax,4),%eax
>
Well I guess it tells us it's not random uninitialised
crud.
Just for interest: what happens if you swap around the lines
time_init();
softirq_init();
in init/main.c?
-
next prev parent reply other threads:[~2001-07-05 15:22 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3B4450DF.82EEC851@uow.edu.au>
2001-07-05 14:28 ` PROBLEM: [2.4.6] kernel BUG at softirq.c:206! Manfred H. Winter
2001-07-05 15:23 ` Andrew Morton [this message]
2001-07-05 17:31 ` Manfred H. Winter
[not found] <E15I8gj-0002W7-00@the-village.bc.nu>
2001-07-05 13:59 ` Bob_Tracy
2001-07-05 12:14 Bob_Tracy
2001-07-05 13:42 ` Alan Cox
2001-07-05 14:02 ` Bob_Tracy
-- strict thread matches above, loose matches on Subject: below --
2001-07-04 21:28 Manfred H. Winter
2001-07-05 7:46 ` Mircea Damian
2001-07-05 11:18 ` Alan Cox
2001-07-05 12:10 ` Bob_Tracy
2001-07-05 13:04 ` Mircea Damian
2001-07-05 14:15 ` Manfred H. Winter
2001-07-05 10:52 ` Thibaut Laurent
2001-07-05 13:00 ` Mircea Damian
2001-07-05 11:04 ` Manfred H. Winter
2001-07-05 14:20 ` Andrea Arcangeli
2001-07-05 14:30 ` Alan Cox
2001-07-05 14:36 ` Arjan van de Ven
2001-07-05 14:40 ` Andrea Arcangeli
2001-07-05 15:32 ` Thibaut Laurent
2001-07-05 15:46 ` Arjan van de Ven
2001-07-05 15:56 ` Andrew Morton
2001-07-05 16:04 ` Alan Cox
2001-07-05 16:11 ` Andrew Morton
2001-07-05 16:15 ` Andrea Arcangeli
2001-07-05 22:40 ` Bob_Tracy
2001-07-06 3:42 ` Andrew Morton
2001-07-06 10:58 ` Manfred H. Winter
2001-07-06 12:43 ` Andrea Arcangeli
2001-07-06 14:18 ` Thibaut Laurent
2001-07-06 15:02 ` Andrea Arcangeli
2001-07-05 15:19 ` Manfred H. Winter
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