From: George Anzinger <george@mvista.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: johnstul@us.ibm.com, Ulrich.Windl@rz.uni-regensburg.de,
jbarnes@sgi.com, linux-kernel@vger.kernel.org, roland@redhat.com
Subject: Re: Periodic posix timer support broke between 2.6.9-rc1 and 2.6.9-rc1-bk17
Date: Tue, 12 Oct 2004 15:24:10 -0700 [thread overview]
Message-ID: <416C598A.2010308@mvista.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0410121315170.5785@schroedinger.engr.sgi.com>
Christoph Lameter wrote:
> I ran some test programs and discovered that the periodic timer support
> is broken. The timer is triggered once and then never again. Single shot
> timers work fine. 2.6.9-rc1 is fine. The first kernel that I tested where
> I noticed the breakage was 2.6.9-rc1-bk17. 2.6.9-rc2 and following all
> cannot do periodic timer signals.
>
> I looked through the changelog but I cannot see anything that would cause
> the problem. Roland's patch surely could not have done this.
>
> Will try to track this down further, time permitting...
The most likely thing would be failure to do the call back from the signal
delivery code.
--
George Anzinger george@mvista.com
High-res-timers: http://sourceforge.net/projects/high-res-timers/
Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml
next prev parent reply other threads:[~2004-10-12 22:24 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <B6E8046E1E28D34EB815A11AC8CA312902CD3264@mtv-atc-605e--n.corp.sgi.com>
2004-09-24 12:16 ` [time] add support for CLOCK_THREAD_CPUTIME_ID and CLOCK_PROCESS_CPUTIME_ID Christoph Lameter
2004-09-25 4:25 ` Ulrich Drepper
2004-09-25 5:25 ` Christoph Lameter
2004-09-25 5:54 ` Christoph Lameter
2004-09-25 6:08 ` Ulrich Drepper
2004-09-25 14:51 ` Christoph Lameter
2004-09-25 15:19 ` Ulrich Drepper
2004-09-27 15:03 ` Christoph Lameter
2004-09-27 15:34 ` Christoph Lameter
[not found] ` <B6E8046E1E28D34EB815A11AC8CA312902CD327E@mtv-atc-605e--n.corp.sgi.com>
2004-09-27 20:58 ` [RFC] Posix compliant behavior of CLOCK_PROCESS/THREAD_CPUTIME_ID Christoph Lameter
2004-09-27 22:54 ` George Anzinger
2004-09-28 19:18 ` Ulrich Drepper
2004-09-28 19:25 ` Christoph Lameter
2004-09-29 3:25 ` Posix compliant CLOCK_PROCESS/THREAD_CPUTIME_ID V4 Christoph Lameter
2004-09-29 17:45 ` George Anzinger
2004-09-29 18:14 ` Christoph Lameter
2004-09-29 19:27 ` George Anzinger
2004-09-29 19:34 ` Christoph Lameter
2004-09-29 19:52 ` Jesper Juhl
2004-09-30 0:14 ` patches inline in mail George Anzinger
2004-09-30 3:24 ` Paul Jackson
2004-10-01 5:29 ` Andrew Morton
2004-10-01 12:28 ` Alan Cox
2004-10-01 13:42 ` Paul Fulghum
2004-10-01 19:53 ` Lee Revell
2004-10-01 21:58 ` George Anzinger
2004-10-02 15:52 ` Olaf Dietsche
2004-10-02 15:20 ` Alan Cox
2004-10-03 21:01 ` [OT] " Guennadi Liakhovetski
2004-10-03 23:18 ` Jesper Juhl
2004-10-04 6:20 ` Paul Jackson
2004-10-04 19:11 ` Guennadi Liakhovetski
2004-10-04 7:26 ` Ulrich Windl
2004-10-03 21:35 ` George Anzinger
2004-10-04 3:00 ` Jim Nelson
2004-10-01 9:04 ` Jesper Juhl
2004-09-29 19:32 ` Posix compliant CLOCK_PROCESS/THREAD_CPUTIME_ID V5 Christoph Lameter
2004-10-01 19:57 ` Posix compliant cpu clocks V6 [0/3]: Rationale and test program Christoph Lameter
[not found] ` <B6E8046E1E28D34EB815A11AC8CA31290322B307@mtv-atc-605e--n.corp.sgi.com>
2004-10-01 19:59 ` Posix compliant cpu clocks V6 [1/3]: Generic Kernel patch Christoph Lameter
2004-10-01 21:03 ` Andrew Morton
2004-10-01 20:01 ` Posix compliant cpu clocks V6 [2/3]: Glibc patch Christoph Lameter
2004-10-02 5:32 ` Ulrich Drepper
2004-10-04 15:04 ` Christoph Lameter
2004-10-04 16:27 ` Christoph Lameter
2004-10-06 13:53 ` Martijn Sipkema
2004-10-01 20:02 ` Posix compliant cpu clocks V6 [3/3]: mmtimer provides CLOCK_SGI_CYCLE Christoph Lameter
2004-10-07 4:56 ` Posix compliant cpu clocks V7 [0/2]: Rationale and test program Christoph Lameter
2004-10-12 20:19 ` Periodic posix timer support broke between 2.6.9-rc1 and 2.6.9-rc1-bk17 Christoph Lameter
2004-10-12 22:24 ` George Anzinger [this message]
2004-10-13 18:08 ` Alexander Nyberg
2004-10-13 18:11 ` Christoph Lameter
[not found] ` <B6E8046E1E28D34EB815A11AC8CA31290322B331@mtv-atc-605e--n.corp.sgi.com>
2004-10-07 4:57 ` Posix compliant cpu clocks V7 [1/2]: Kernel Patch Christoph Lameter
2004-10-07 4:59 ` Posix compliant cpu clocks V7 [2/2]: Glibc patch Christoph Lameter
2004-10-21 19:32 ` Posix compliant process clock patch for the linux arch in glibc Christoph Lameter
2004-10-01 21:57 ` [RFC] Posix compliant behavior of CLOCK_PROCESS/THREAD_CPUTIME_ID Roland McGrath
2004-10-01 23:30 ` Christoph Lameter
2004-10-04 18:48 ` RFC: Posix compliant clock_getclockcpuid(pid) to access other processes clocks Christoph Lameter
2004-10-13 16:03 Periodic posix timer support broke between 2.6.9-rc1 and Christoph Lameter
2004-10-13 17:25 ` Periodic posix timer support broke between 2.6.9-rc1 and 2.6.9-rc1-bk17 George Anzinger
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