Re: mm snapshot broken-out-2007-04-07-03-27.tar.gz uploaded

Re: mm snapshot broken-out-2007-04-07-03-27.tar.gz uploaded

[Michal Piotrowski]

akpm@linux-foundation.org napisał(a):
> The mm snapshot broken-out-2007-04-07-03-27.tar.gz has been uploaded to
> 
>    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2007-04-07-03-27.tar.gz
> 
> It contains the following patches against 2.6.21-rc6:

suspend-to-disk doesn't work when pktgen module is loaded.

Stopping kernel threads timed out after 20 seconds (2 tasks refusing to freeze):
 kpktgend_0
 kpktgend_1
Restarting tasks ... done.
swsusp: Basic memory bitmaps freed

http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/broken-out-2007-04-07-03-27/mm-serialconsole2.log

Anyway, this kernel is pretty stable :)

aio_dio_bugs - ok
aiostress - ok
bash_shared_mapping - ok
bonnie - ok
cpu_hotplug - ok
cyclictest - ok
dbench - ok
fsfuzzer - ok
fs_mark - ok
fsx - ok
interbench - ok
iozone -ok
isic - ok
linus_stress - ok
ltp - ptrace bug
pi_tests - ok
rmaptest - ok
rtlinuxtests - ok
rttester - ok
scrashme - ok
spew - ok
stress - ok

Regards,
Michal

-- 
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)

Re: mm snapshot broken-out-2007-04-07-03-27.tar.gz uploaded

[Andrew Morton]

On Sat, 07 Apr 2007 21:43:17 +0200 Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:

> akpm@linux-foundation.org napisał(a):
> > The mm snapshot broken-out-2007-04-07-03-27.tar.gz has been uploaded to
> > 
> >    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2007-04-07-03-27.tar.gz
> > 
> > It contains the following patches against 2.6.21-rc6:
> 
> suspend-to-disk doesn't work when pktgen module is loaded.
> 
> Stopping kernel threads timed out after 20 seconds (2 tasks refusing to freeze):
>  kpktgend_0
>  kpktgend_1
> Restarting tasks ... done.
> swsusp: Basic memory bitmaps freed

This?

--- a/net/core/pktgen.c~pktgen-add-try_to_freeze
+++ a/net/core/pktgen.c
@@ -128,6 +128,7 @@
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
 #include <linux/capability.h>
+#include <linux/freezer.h>
 #include <linux/delay.h>
 #include <linux/timer.h>
 #include <linux/list.h>
@@ -3325,6 +3326,8 @@ static int pktgen_thread_worker(void *ar
 			t->control &= ~(T_REMDEV);
 		}
 
+		try_to_freeze();
+
 		set_current_state(TASK_INTERRUPTIBLE);
 	}
 
_

> http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/broken-out-2007-04-07-03-27/mm-serialconsole2.log
> 
> Anyway, this kernel is pretty stable :)

Is appreciated, thanks.

Re: mm snapshot broken-out-2007-04-07-03-27.tar.gz uploaded

[Pavel Machek]

Hi!

> > > The mm snapshot broken-out-2007-04-07-03-27.tar.gz has been uploaded to
> > > 
> > >    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2007-04-07-03-27.tar.gz
> > > 
> > > It contains the following patches against 2.6.21-rc6:
> > 
> > suspend-to-disk doesn't work when pktgen module is loaded.
> > 
> > Stopping kernel threads timed out after 20 seconds (2 tasks refusing to freeze):
> >  kpktgend_0
> >  kpktgend_1
> > Restarting tasks ... done.
> > swsusp: Basic memory bitmaps freed
> 
> This?
> 
> --- a/net/core/pktgen.c~pktgen-add-try_to_freeze
> +++ a/net/core/pktgen.c
> @@ -128,6 +128,7 @@
>  #include <linux/ioport.h>
>  #include <linux/interrupt.h>
>  #include <linux/capability.h>
> +#include <linux/freezer.h>
>  #include <linux/delay.h>
>  #include <linux/timer.h>
>  #include <linux/list.h>
> @@ -3325,6 +3326,8 @@ static int pktgen_thread_worker(void *ar
>  			t->control &= ~(T_REMDEV);
>  		}
>  
> +		try_to_freeze();
> +
>  		set_current_state(TASK_INTERRUPTIBLE);

I'd actually prefer freezing it while in INTERRUPTIBLE, but both
versions are probably okay.

							Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Re: mm snapshot broken-out-2007-04-07-03-27.tar.gz uploaded

[Michal Piotrowski]

On 07/04/07, akpm@linux-foundation.org <akpm@linux-foundation.org> wrote:
> The mm snapshot broken-out-2007-04-07-03-27.tar.gz has been uploaded to
>
>    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2007-04-07-03-27.tar.gz
>

Thomas,

I get a lot of "NOHZ: local_softirq_pending 0a" messages, when I run
netperf2 test.

http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/broken-out-2007-04-07-03-27/mm-config
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/broken-out-2007-04-07-03-27/mm-dmesg2

Regards,
Michal

-- 
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)