From: Michael Gernoth <simigern@stud.uni-erlangen.de>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: linux-kernel@vger.kernel.org,
Matthias Koerber <simakoer@stud.informatik.uni-erlangen.de>,
scott.feldman@intel.com, ganesh.venkatesan@intel.com
Subject: Re: 2.4.29, e100 and a WOL packet causes keventd going mad
Date: Sun, 30 Jan 2005 13:15:49 +0100 [thread overview]
Message-ID: <20050130121549.GA23946@cip.informatik.uni-erlangen.de> (raw)
In-Reply-To: <20050129181821.GA2128@logos.cnet>
On Sat, Jan 29, 2005 at 04:18:21PM -0200, Marcelo Tosatti wrote:
> Probably a task event is rescheduling itself repeatedly? e100 does not seem
> to schedule_task() events directly, so I wonder what is going on.
>
> Can you boot a machine with profile=2, then send the WOL packet causing
> keventd to go mad and run:
>
> readprofile | sort -nr +2 | head -20
faui07c:~# readprofile | sort -nr +2 | head -20
2352 acpi_ns_get_next_valid_node 130.6667
9577 acpi_os_read_port 121.2278
4431 acpi_os_signal_semaphore 100.7045
4639 default_idle 57.9875
4363 acpi_ns_get_next_node 57.4079
5957 acpi_ns_delete_namespace_by_owner 37.7025
2307 acpi_os_write_port 34.9545
4048 acpi_os_wait_semaphore 18.8279
1924 acpi_ut_acquire_mutex 16.8772
492 __rdtsc_delay 15.3750
526 acpi_os_get_thread_id 15.0286
1421 acpi_ut_release_mutex 13.1574
339 acpi_ns_get_parent_node 11.6897
1506 acpi_ut_release_to_cache 10.9130
1600 acpi_ut_acquire_from_cache 9.8160
909 acpi_ds_method_data_init 8.4953
327 acpi_ut_valid_acpi_name 6.9574
311 acpi_ns_search_node 4.7121
268 acpi_ps_get_opcode_info 4.0606
31 acpi_ut_delete_generic_state_cache 3.4444
The machine has an uptime of 10 minutes at that point, and the second
WOL packet was sent directly after the machine came up and I was able
to ssh into it.
Regards,
Michael
next prev parent reply other threads:[~2005-01-30 12:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-28 16:48 Michael Gernoth
2005-01-28 18:53 ` Bukie Mabayoje
2005-01-28 18:54 ` Michael Gernoth
2005-01-28 20:05 ` Bukie Mabayoje
2005-01-30 0:13 ` Bukie Mabayoje
2005-01-29 18:18 ` Marcelo Tosatti
2005-01-30 12:15 ` Michael Gernoth [this message]
2005-01-30 17:18 David Härdeman
2005-01-31 3:47 ` Scott Feldman
2005-01-31 3:58 ` Nigel Cunningham
2005-01-31 5:00 ` Scott Feldman
2005-01-31 6:14 ` Nigel Cunningham
2005-01-31 9:08 ` Nigel Cunningham
2005-01-31 4:23 ` Bukie Mabayoje
2005-01-31 15:24 ` Marcelo Tosatti
2005-01-31 20:29 ` David Härdeman
2005-01-31 21:13 ` Bukie Mabayoje
2005-01-31 19:26 Brandeburg, Jesse
2005-01-31 20:57 ` Bukie Mabayoje
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