From: Alvaro Lopes <alvieboy@alvie.com>
To: "Grover, Andrew" <andrew.grover@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [ACPI] 2.5.58 hangs at boot
Date: Thu, 23 Jan 2003 15:35:42 +0000 [thread overview]
Message-ID: <3E300BCE.9080909@alvie.com> (raw)
In-Reply-To: <F760B14C9561B941B89469F59BA3A847137F76@orsmsx401.jf.intel.com>
Hi Andrew, all.
I have the same problem here with 2.5.57/8/9 with a Toshiba 2410 Laptop.
Very funny also. The exact system lockup varies according to printk's
inserted in the code.
>Can you stick a printk in ev_sci_handler and see if that's being called
>repeatedly?
>
Yes it is.
do_IRQ() is called for irq line 9, calls handle_IRQ_event() which then
calls acpi_irq and finally ev_sci_handler().
This repeats 'ad infinitum'. Didn't wait for more than a few minutes,
but it looks like it will.
The interrupts are handled at acpi_ev_gpe_detect (), which returns 1. At
this point in_irq() returns 0x00010000 (or 0x00001000, don't have a
serial console :/)
Any ideas ??? Need some more debugging ?
Funny enough, without the printk's it usually hangs at
create_workqueue(), while doing wait_for_completion() - seems the kernel
thread simply fails to get run.
--
Álvaro Lopes
---------------------
A .sig is just a .sig
next prev parent reply other threads:[~2003-01-23 15:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-16 21:38 [ACPI] 2.5.58 hangs at boot Grover, Andrew
2003-01-23 15:35 ` Alvaro Lopes [this message]
2003-01-26 13:59 ` Alvaro Lopes
-- strict thread matches above, loose matches on Subject: below --
2003-01-16 21:15 Michael Dreher
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