From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: pali.rohar@gmail.com, sre@kernel.org,
kernel list <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, khilman@kernel.org,
aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com,
patrikbachan@gmail.com, serge@hallyn.com
Subject: 4.6-rc2: regression with omap video and lockdep (was Re: 4.4, 4.6: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode))
Date: Mon, 11 Apr 2016 10:27:42 +0200 [thread overview]
Message-ID: <20160411082742.GA1993@amd> (raw)
In-Reply-To: <20160407234134.GQ16484@atomide.com>
Hi!
> > > Nothing idling for me with your .config.. And it seems slower to boot
> > > compared to omap2plus_defconfig? Maybe because of the extra GPIO
> > > interrupts?
> >
> > Extra interrupts only happen when enable_off_mode is 1, so that should
> > not be an issue during boot.
>
> OK maybe it's just the extra driver probe time then.
Heh. I had earlyprintk enabled. That should explain it.
> Well I've been just using omap2plus_defconfig with:
>
> # modprobe tsc2005
> # modprobe gpio_backlight
> # modprobe panel_sony_acx565akm
> # modprobe omapfb
>
> # echo 255 > /sys/class/backlight/acx565akm/brightness
>
> And then the following to blank for idle:
>
> # echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
>
> But in the world of eternal regressions, I'm not seeing anything
> on the framebuffer with v4.6-rc2 :( No idea what broke it or when
> as my n900 is in the rack.
Can you try this patch to your config -- disabling lockdep? It should
fix the video for you. (And if you have the serial console... do you
see any warnings from lockdep?)
Thanks,
Pavel
--- config.def 2016-04-08 21:50:04.519622137 +0200
+++ .config 2016-04-11 10:22:52.988193318 +0200
@@ -4183,15 +4183,12 @@
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set
-CONFIG_DEBUG_LOCK_ALLOC=y
-CONFIG_PROVE_LOCKING=y
-CONFIG_LOCKDEP=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
# CONFIG_LOCK_STAT is not set
-# CONFIG_DEBUG_LOCKDEP is not set
# CONFIG_DEBUG_ATOMIC_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
-CONFIG_TRACE_IRQFLAGS=y
CONFIG_STACKTRACE=y
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
@@ -4204,8 +4201,7 @@
#
# RCU Debugging
#
-CONFIG_PROVE_RCU=y
-# CONFIG_PROVE_RCU_REPEATEDLY is not set
+# CONFIG_PROVE_RCU is not set
# CONFIG_SPARSE_RCU_POINTER is not set
# CONFIG_TORTURE_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: 4.6-rc2: regression with omap video and lockdep (was Re: 4.4, 4.6: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode))
Date: Mon, 11 Apr 2016 10:27:42 +0200 [thread overview]
Message-ID: <20160411082742.GA1993@amd> (raw)
In-Reply-To: <20160407234134.GQ16484@atomide.com>
Hi!
> > > Nothing idling for me with your .config.. And it seems slower to boot
> > > compared to omap2plus_defconfig? Maybe because of the extra GPIO
> > > interrupts?
> >
> > Extra interrupts only happen when enable_off_mode is 1, so that should
> > not be an issue during boot.
>
> OK maybe it's just the extra driver probe time then.
Heh. I had earlyprintk enabled. That should explain it.
> Well I've been just using omap2plus_defconfig with:
>
> # modprobe tsc2005
> # modprobe gpio_backlight
> # modprobe panel_sony_acx565akm
> # modprobe omapfb
>
> # echo 255 > /sys/class/backlight/acx565akm/brightness
>
> And then the following to blank for idle:
>
> # echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
>
> But in the world of eternal regressions, I'm not seeing anything
> on the framebuffer with v4.6-rc2 :( No idea what broke it or when
> as my n900 is in the rack.
Can you try this patch to your config -- disabling lockdep? It should
fix the video for you. (And if you have the serial console... do you
see any warnings from lockdep?)
Thanks,
Pavel
--- config.def 2016-04-08 21:50:04.519622137 +0200
+++ .config 2016-04-11 10:22:52.988193318 +0200
@@ -4183,15 +4183,12 @@
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set
-CONFIG_DEBUG_LOCK_ALLOC=y
-CONFIG_PROVE_LOCKING=y
-CONFIG_LOCKDEP=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
# CONFIG_LOCK_STAT is not set
-# CONFIG_DEBUG_LOCKDEP is not set
# CONFIG_DEBUG_ATOMIC_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
-CONFIG_TRACE_IRQFLAGS=y
CONFIG_STACKTRACE=y
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_BUGVERBOSE is not set
@@ -4204,8 +4201,7 @@
#
# RCU Debugging
#
-CONFIG_PROVE_RCU=y
-# CONFIG_PROVE_RCU_REPEATEDLY is not set
+# CONFIG_PROVE_RCU is not set
# CONFIG_SPARSE_RCU_POINTER is not set
# CONFIG_TORTURE_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2016-04-11 8:27 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-23 12:10 N900 sleep mode (in 4.5-rc0, if that matters) Pavel Machek
2016-01-23 12:10 ` Pavel Machek
2016-01-25 16:33 ` Tony Lindgren
2016-01-25 16:33 ` Tony Lindgren
2016-01-25 22:23 ` Pavel Machek
2016-01-25 22:23 ` Pavel Machek
2016-01-25 22:50 ` Tony Lindgren
2016-01-25 22:50 ` Tony Lindgren
2016-01-26 14:00 ` Pavel Machek
2016-01-26 14:00 ` Pavel Machek
2016-01-26 17:25 ` Tony Lindgren
2016-01-26 17:25 ` Tony Lindgren
2016-01-26 22:51 ` Tony Lindgren
2016-01-26 22:51 ` Tony Lindgren
2016-01-30 20:02 ` Pavel Machek
2016-01-30 20:02 ` Pavel Machek
2016-01-30 20:14 ` Pavel Machek
2016-01-30 20:14 ` Pavel Machek
2016-01-30 22:15 ` Pavel Machek
2016-01-30 22:15 ` Pavel Machek
2016-02-01 18:13 ` Tony Lindgren
2016-02-01 18:13 ` Tony Lindgren
2016-02-01 21:17 ` Pavel Machek
2016-02-01 21:17 ` Pavel Machek
2016-02-01 22:11 ` Tony Lindgren
2016-02-01 22:11 ` Tony Lindgren
2016-02-04 5:35 ` Tony Lindgren
2016-02-04 5:35 ` Tony Lindgren
2016-02-07 21:37 ` Pavel Machek
2016-02-07 21:37 ` Pavel Machek
2016-02-07 21:37 ` Pavel Machek
2016-02-08 8:51 ` Pali Rohár
2016-02-08 8:51 ` Pali Rohár
2016-02-07 21:23 ` Pavel Machek
2016-02-07 21:23 ` Pavel Machek
2016-02-09 17:24 ` Tony Lindgren
2016-02-09 17:24 ` Tony Lindgren
2016-02-09 17:38 ` Tony Lindgren
2016-02-09 17:38 ` Tony Lindgren
2016-03-20 8:38 ` Pavel Machek
2016-03-20 8:38 ` Pavel Machek
2016-02-11 1:08 ` Tony Lindgren
2016-02-11 1:08 ` Tony Lindgren
2016-02-11 1:08 ` Tony Lindgren
2016-03-23 14:37 ` Pavel Machek
2016-03-23 14:37 ` Pavel Machek
2016-03-20 8:33 ` Pavel Machek
2016-03-20 8:33 ` Pavel Machek
2016-03-23 12:38 ` Pavel Machek
2016-03-23 12:38 ` Pavel Machek
2016-03-30 19:12 ` Tony Lindgren
2016-03-30 19:12 ` Tony Lindgren
2016-04-04 11:09 ` Pali Rohár
2016-04-04 11:09 ` Pali Rohár
2016-04-04 22:31 ` Tony Lindgren
2016-04-04 22:31 ` Tony Lindgren
2016-04-04 21:30 ` Pavel Machek
2016-04-04 21:30 ` Pavel Machek
2016-04-04 22:07 ` Tony Lindgren
2016-04-04 22:07 ` Tony Lindgren
2016-04-05 10:09 ` Pavel Machek
2016-04-05 10:09 ` Pavel Machek
2016-04-05 13:17 ` Pavel Machek
2016-04-05 13:17 ` Pavel Machek
2016-04-05 14:22 ` 4.4: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode) Pavel Machek
2016-04-05 14:22 ` Pavel Machek
2016-04-05 15:29 ` Tony Lindgren
2016-04-05 15:29 ` Tony Lindgren
2016-04-05 20:51 ` Pavel Machek
2016-04-05 20:51 ` Pavel Machek
2016-04-07 17:40 ` Tony Lindgren
2016-04-07 17:40 ` Tony Lindgren
2016-04-07 19:48 ` 4.4, 4.6: " Pavel Machek
2016-04-07 19:48 ` Pavel Machek
2016-04-07 21:32 ` Tony Lindgren
2016-04-07 21:32 ` Tony Lindgren
2016-04-07 23:01 ` Pavel Machek
2016-04-07 23:01 ` Pavel Machek
2016-04-07 23:41 ` Tony Lindgren
2016-04-07 23:41 ` Tony Lindgren
2016-04-08 9:19 ` Pavel Machek
2016-04-08 9:19 ` Pavel Machek
2016-04-11 8:27 ` Pavel Machek [this message]
2016-04-11 8:27 ` 4.6-rc2: regression with omap video and lockdep (was Re: 4.4, 4.6: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode)) Pavel Machek
2016-04-11 9:30 ` 4.4, 4.6: camera and unlock buttons produce tons of interrupts (was Re: N900 sleep mode) Pavel Machek
2016-04-11 9:30 ` Pavel Machek
2016-04-11 9:41 ` Pavel Machek
2016-04-11 9:41 ` Pavel Machek
2016-04-11 21:10 ` Tony Lindgren
2016-04-11 21:10 ` Tony Lindgren
2016-04-12 12:16 ` Nokia N900 retention mode in v4.6, camera buttons fun Pavel Machek
2016-04-12 12:30 ` Pavel Machek
2016-04-12 12:30 ` Pavel Machek
2016-04-12 16:30 ` Tony Lindgren
2016-04-12 16:30 ` Tony Lindgren
2016-04-13 5:52 ` Tomi Valkeinen
2016-04-13 5:52 ` Tomi Valkeinen
2016-04-13 5:52 ` Tomi Valkeinen
2016-04-13 15:15 ` Tony Lindgren
2016-04-13 15:15 ` Tony Lindgren
2016-04-17 17:55 ` Pavel Machek
2016-04-17 17:55 ` Pavel Machek
2016-04-18 23:47 ` Tony Lindgren
2016-04-18 23:47 ` Tony Lindgren
2016-04-21 13:04 ` Pali Rohár
2016-04-21 13:04 ` Pali Rohár
2016-04-21 21:28 ` Pavel Machek
2016-04-21 21:28 ` Pavel Machek
2016-04-22 7:05 ` Pali Rohár
2016-04-22 7:05 ` Pali Rohár
2016-04-29 20:06 ` Sebastian Reichel
2016-04-29 20:06 ` Sebastian Reichel
2016-05-01 8:52 ` Pavel Machek
2016-05-01 8:52 ` Pavel Machek
2016-05-01 15:48 ` Sebastian Reichel
2016-05-01 15:48 ` Sebastian Reichel
2016-05-02 20:12 ` Sebastian Reichel
2016-05-02 20:12 ` Sebastian Reichel
2016-05-28 11:09 ` Pavel Machek
2016-05-28 11:09 ` Pavel Machek
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=20160411082742.GA1993@amd \
--to=pavel@ucw.cz \
--cc=aaro.koskinen@iki.fi \
--cc=ivo.g.dimitrov.75@gmail.com \
--cc=khilman@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-omap@vger.kernel.org \
--cc=pali.rohar@gmail.com \
--cc=patrikbachan@gmail.com \
--cc=serge@hallyn.com \
--cc=sre@kernel.org \
--cc=tony@atomide.com \
/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.