All of lore.kernel.org
 help / color / mirror / Atom feed
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jeff Webb <jeff.webb@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] switchtest and Xenomai 2.2.4
Date: Fri, 27 Oct 2006 17:05:32 +0200	[thread overview]
Message-ID: <4542203C.6060708@domain.hid> (raw)
In-Reply-To: <45421B89.3090302@domain.hid>

Jeff Webb wrote:
> Gilles Chanteperdrix wrote:
> 
>> Ok, could you try one last thing: keep try_module_get and module_put in
>> ksrc/drivers/testing/switchtest.c and apply the attached patch to 
>> src/testsuite/switchtest/switchtest.c
> 
> 
> This does not seem to fix the problem completely.  Output stops after 
> pressing ctrl-c one time, and I get:
> 
> [root xeno-build-r1749p5]# ps a -T
>  PID  SPID TTY      STAT   TIME COMMAND
> 19878 19878 pts/1    SLl+   0:00 ./switchtest
> 19878 19884 pts/1    SLl+   0:00 ./switchtest
> 19878 19885 pts/1    SLl+   0:00 ./switchtest
> 19878 19886 pts/1    SLl+   0:00 ./switchtest
> 19878 19887 pts/1    SLl+   0:00 ./switchtest
> 
> [root xeno-build-r1749p5]# cat /proc/xenomai/sched
> CPU  PID    PRI      PERIOD   TIMEOUT    STAT       NAME
>  0  0       -1      0        0          R          ROOT/0
>  1  0       -1      0        0          R          ROOT/1
>  0  19878    0      0        0          X          switchtest
>  0  0        1      0        0          W          rtk1/0
>  0  0        1      0        0          W          rtk2/0
>  0  0        1      0        0          Wf         rtk3/0
>  0  0        1      0        0          Wf         rtk4/0
>  0  0        1      0        0          Wf         rtk5/0
>  0  0        1      0        0          Wf         rtk6/0
>  0  19884    1      0        0          R          rtus0-11
>  0  19885    1      0        0          R          rtus0-12
>  0  19886    1      0        0          R          rtus_ufps0-13
>  0  19887    1      0        0          R          rtus_ufps0-14
>  1  0        1      0        0          W          rtk1/1
>  1  0        1      0        0          W          rtk2/1
>  1  0        1      0        0          Wf         rtk3/1
>  1  0        1      0        0          Wf         rtk4/1
>  1  0        1      0        0          Wf         rtk5/1
>  1  0        1      0        0          Wf         rtk6/1
> 
> After pressing ctrl-c a second time, switchtest exits leaving a clean 
> 'ps', but I get:
> 
> [root xeno-build-r1749p5]# cat /proc/xenomai/sched
> CPU  PID    PRI      PERIOD   TIMEOUT    STAT       NAME
>  0  0       -1      0        0          R          ROOT/0
>  1  0       -1      0        0          R          ROOT/1
>  0  0        1      0        0          W          rtk1/0
>  0  0        1      0        0          W          rtk2/0
>  0  0        1      0        0          Wf         rtk3/0
>  0  0        1      0        0          Wf         rtk4/0
>  0  0        1      0        0          Wf         rtk5/0
>  0  0        1      0        0          Wf         rtk6/0
>  1  0        1      0        0          W          rtk1/1
>  1  0        1      0        0          W          rtk2/1
>  1  0        1      0        0          Wf         rtk3/1
>  1  0        1      0        0          Wf         rtk4/1
>  1  0        1      0        0          Wf         rtk5/1
>  1  0        1      0        0          Wf         rtk6/1
> 
> Removing the module then fails:
> 
> [root switchtest]# /sbin/rmmod xeno_switchtest
> ERROR: Module xeno_switchtest is in use
> [root switchtest]#
> 
> I can run switchtest multiple times, but I get more and more leftover 
> threads in /proc/xenomai/stat.

Ok, thanks, I will commit yesterday version then.

-- 
                                                  Gilles Chanteperdrix


  reply	other threads:[~2006-10-27 15:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-15 21:32 [Xenomai-core] Xenomai v2.2.4 Philippe Gerum
2006-10-25 20:10 ` [Xenomai-help] switchtest and Xenomai 2.2.4 Jeff Webb
2006-10-25 23:43   ` Jeff Webb
2006-10-26  8:21     ` Gilles Chanteperdrix
2006-10-26 15:51       ` Jeff Webb
2006-10-26 15:56         ` Gilles Chanteperdrix
2006-10-26 16:44           ` Jeff Webb
2006-10-26 16:55             ` Jan Kiszka
2006-10-26 18:53               ` Jeff Webb
2006-10-26  7:35   ` Gilles Chanteperdrix
     [not found]   ` <454078AD.5000907@domain.hid>
     [not found]     ` <4540DE60.40209@domain.hid>
     [not found]       ` <4540E1AB.2040200@domain.hid>
     [not found]         ` <4540EABD.10403@domain.hid>
     [not found]           ` <4540ECA6.5000604@domain.hid>
2006-10-26 19:49             ` Jeff Webb
2006-10-27  8:18               ` Gilles Chanteperdrix
2006-10-27 14:45                 ` Jeff Webb
2006-10-27 15:05                   ` Gilles Chanteperdrix [this message]
2006-10-27 16:25                     ` Jeff Webb

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4542203C.6060708@domain.hid \
    --to=gilles.chanteperdrix@xenomai.org \
    --cc=jeff.webb@domain.hid \
    --cc=xenomai@xenomai.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.