From: Tony Lindgren <tony@atomide.com>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pavel Machek <pavel@ucw.cz>,
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, abcloriens@gmail.com,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Vlastimil Babka <vbabka@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Russell King <linux@armlinux.org.uk>
Subject: Re: n900 in next-20170901
Date: Mon, 25 Sep 2017 07:54:37 -0700 [thread overview]
Message-ID: <20170925145437.GG4394@atomide.com> (raw)
In-Reply-To: <20170925080806.GA9837@js1304-P5Q-DELUXE>
* Joonsoo Kim <iamjoonsoo.kim@lge.com> [170925 01:06]:
> On Thu, Sep 21, 2017 at 10:28:11AM -0700, Tony Lindgren wrote:
> > * Joonsoo Kim <iamjoonsoo.kim@lge.com> [170914 23:55]:
> > > On Wed, Sep 13, 2017 at 09:31:27AM -0700, Tony Lindgren wrote:
> > > > Yes I disabled CONFIG_HIGHMEM and n900 boots. To disable it,
> > > > you need to remove it from arch/arm/mach-omap2/Kconfig that
> > > > selects it if ARCH_OMAP2PLUS_TYPICAL is selected.
> > >
> > > Okay. Problem would be related to address traslation. I'd like to
> > > check address traslation more. Could you apply following patch and
> > > test it? And, please send me the dmesg log and your kernel config.
> > > Please test this with CONFIG_DEBUG_VIRTUAL = n and CONFIG_CMA_DEBUG=y and
> > > CONFIG_HIGHMEM=y and with kernel bootparam 'ignore_loglevel'.
> > >
> > > It would be really appreciate if you send me two logs for before/after
> > > commit 9caf25f996e8.
> >
> > Sorry for the delays, I finally got around testing this for you.
>
> No problem! I really appreciate your help!
>
> > Compile with your patch failed for modules with __virt_to_phys_debug
> > being undefined so I added EXPORT_SYMBOL there. I also enabled DEBUG_LL
> > and EARLYPRINTK to get output.
> >
> > Below is dmesg output for 9caf25f996e8 + your patch. I'll send you
> > the full logs separately.
>
> Hmm...there is only one caller for the CMA memory, that is, atomic_pool_init().
> Could you test one more time with 9caf25f996e8 + following patch? I'd like to
> know the actual user for the CMA memory.
Hmm not getting any stack with that patch after manually applying
it because of tabs to spaces mangling.
Regards,
Tony
> -------------------------->8------------------------
> diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
> index 519c294..c68f34a 100644
> --- a/arch/arm/mm/dma-mapping.c
> +++ b/arch/arm/mm/dma-mapping.c
> @@ -587,6 +587,8 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page)
> ptr = (void *)val;
> }
>
> + dump_stack();
> +
> return ptr;
> }
>
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: n900 in next-20170901
Date: Mon, 25 Sep 2017 07:54:37 -0700 [thread overview]
Message-ID: <20170925145437.GG4394@atomide.com> (raw)
In-Reply-To: <20170925080806.GA9837@js1304-P5Q-DELUXE>
* Joonsoo Kim <iamjoonsoo.kim@lge.com> [170925 01:06]:
> On Thu, Sep 21, 2017 at 10:28:11AM -0700, Tony Lindgren wrote:
> > * Joonsoo Kim <iamjoonsoo.kim@lge.com> [170914 23:55]:
> > > On Wed, Sep 13, 2017 at 09:31:27AM -0700, Tony Lindgren wrote:
> > > > Yes I disabled CONFIG_HIGHMEM and n900 boots. To disable it,
> > > > you need to remove it from arch/arm/mach-omap2/Kconfig that
> > > > selects it if ARCH_OMAP2PLUS_TYPICAL is selected.
> > >
> > > Okay. Problem would be related to address traslation. I'd like to
> > > check address traslation more. Could you apply following patch and
> > > test it? And, please send me the dmesg log and your kernel config.
> > > Please test this with CONFIG_DEBUG_VIRTUAL = n and CONFIG_CMA_DEBUG=y and
> > > CONFIG_HIGHMEM=y and with kernel bootparam 'ignore_loglevel'.
> > >
> > > It would be really appreciate if you send me two logs for before/after
> > > commit 9caf25f996e8.
> >
> > Sorry for the delays, I finally got around testing this for you.
>
> No problem! I really appreciate your help!
>
> > Compile with your patch failed for modules with __virt_to_phys_debug
> > being undefined so I added EXPORT_SYMBOL there. I also enabled DEBUG_LL
> > and EARLYPRINTK to get output.
> >
> > Below is dmesg output for 9caf25f996e8 + your patch. I'll send you
> > the full logs separately.
>
> Hmm...there is only one caller for the CMA memory, that is, atomic_pool_init().
> Could you test one more time with 9caf25f996e8 + following patch? I'd like to
> know the actual user for the CMA memory.
Hmm not getting any stack with that patch after manually applying
it because of tabs to spaces mangling.
Regards,
Tony
> -------------------------->8------------------------
> diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
> index 519c294..c68f34a 100644
> --- a/arch/arm/mm/dma-mapping.c
> +++ b/arch/arm/mm/dma-mapping.c
> @@ -587,6 +587,8 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page)
> ptr = (void *)val;
> }
>
> + dump_stack();
> +
> return ptr;
> }
>
next prev parent reply other threads:[~2017-09-25 14:54 UTC|newest]
Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-03 20:37 n900 in next-20170901 Pavel Machek
2017-09-03 20:37 ` Pavel Machek
2017-09-05 20:13 ` Tony Lindgren
2017-09-05 20:13 ` Tony Lindgren
2017-09-05 20:27 ` Vlastimil Babka
2017-09-05 20:27 ` Vlastimil Babka
2017-09-05 20:32 ` Tony Lindgren
2017-09-05 20:32 ` Tony Lindgren
2017-09-05 23:32 ` Joonsoo Kim
2017-09-05 23:32 ` Joonsoo Kim
2017-09-06 13:30 ` Tony Lindgren
2017-09-06 13:30 ` Tony Lindgren
2017-09-07 7:30 ` Joonsoo Kim
2017-09-07 7:30 ` Joonsoo Kim
2017-09-07 16:16 ` Tony Lindgren
2017-09-07 16:16 ` Tony Lindgren
2017-09-13 7:55 ` Joonsoo Kim
2017-09-13 7:55 ` Joonsoo Kim
2017-09-13 16:31 ` Tony Lindgren
2017-09-13 16:31 ` Tony Lindgren
2017-09-15 6:56 ` Joonsoo Kim
2017-09-15 6:56 ` Joonsoo Kim
2017-09-21 17:28 ` Tony Lindgren
2017-09-21 17:28 ` Tony Lindgren
2017-09-25 8:08 ` Joonsoo Kim
2017-09-25 8:08 ` Joonsoo Kim
2017-09-25 14:54 ` Tony Lindgren [this message]
2017-09-25 14:54 ` Tony Lindgren
2017-10-18 8:29 ` Joonsoo Kim
2017-10-18 8:29 ` Joonsoo Kim
2017-10-19 18:30 ` Tony Lindgren
2017-10-19 18:30 ` Tony Lindgren
2017-10-20 1:55 ` Joonsoo Kim
2017-10-20 1:55 ` Joonsoo Kim
2017-10-20 17:31 ` Tony Lindgren
2017-10-20 17:31 ` Tony Lindgren
2017-10-23 4:53 ` Joonsoo Kim
2017-10-23 4:53 ` Joonsoo Kim
2017-10-25 17:31 ` Tony Lindgren
2017-10-25 17:31 ` Tony Lindgren
2017-10-26 4:48 ` Joonsoo Kim
2017-10-26 4:48 ` Joonsoo Kim
2017-10-26 14:16 ` Tony Lindgren
2017-10-26 14:16 ` Tony Lindgren
2017-11-07 5:33 ` Joonsoo Kim
2017-11-07 5:33 ` Joonsoo Kim
2017-11-07 15:48 ` Tony Lindgren
2017-11-07 15:48 ` Tony Lindgren
2017-11-08 7:46 ` Joonsoo Kim
2017-11-08 7:46 ` Joonsoo Kim
2017-11-08 16:34 ` Tony Lindgren
2017-11-08 16:34 ` Tony Lindgren
2017-11-09 0:08 ` Joonsoo Kim
2017-11-09 0:08 ` Joonsoo Kim
2017-11-09 0:11 ` Tony Lindgren
2017-11-09 0:11 ` Tony Lindgren
2017-11-09 0:36 ` Joonsoo Kim
2017-11-09 0:36 ` Joonsoo Kim
2017-11-09 3:50 ` Joonsoo Kim
2017-11-09 3:50 ` Joonsoo Kim
2017-11-09 15:08 ` Tony Lindgren
2017-11-09 15:08 ` Tony Lindgren
2017-11-10 0:13 ` Joonsoo Kim
2017-11-10 0:13 ` Joonsoo Kim
2017-11-10 3:26 ` Tony Lindgren
2017-11-10 3:26 ` Tony Lindgren
2017-11-10 6:19 ` Tony Lindgren
2017-11-10 6:19 ` Tony Lindgren
2017-11-10 6:23 ` Tony Lindgren
2017-11-10 6:23 ` Tony Lindgren
2017-11-10 6:46 ` Joonsoo Kim
2017-11-10 6:46 ` Joonsoo Kim
2017-11-10 15:37 ` Tony Lindgren
2017-11-10 15:37 ` Tony Lindgren
2017-11-10 6:37 ` Joonsoo Kim
2017-11-10 6:37 ` Joonsoo Kim
2017-11-10 15:36 ` Tony Lindgren
2017-11-10 15:36 ` Tony Lindgren
2017-11-13 21:15 ` Tony Lindgren
2017-11-13 21:15 ` Tony Lindgren
2017-11-14 6:40 ` Joonsoo Kim
2017-11-14 6:40 ` Joonsoo Kim
2017-11-14 6:37 ` Joonsoo Kim
2017-11-14 6:37 ` Joonsoo Kim
2017-11-14 17:37 ` Tony Lindgren
2017-11-14 17:37 ` Tony Lindgren
2017-11-14 19:31 ` Tero Kristo
2017-11-14 19:31 ` Tero Kristo
2017-11-14 19:31 ` Tero Kristo
2017-11-14 19:44 ` Tony Lindgren
2017-11-14 19:44 ` Tony Lindgren
2017-11-14 20:01 ` Tero Kristo
2017-11-14 20:01 ` Tero Kristo
2017-11-14 20:01 ` Tero Kristo
2017-11-14 20:54 ` Tony Lindgren
2017-11-14 20:54 ` Tony Lindgren
2017-11-15 0:51 ` Joonsoo Kim
2017-11-15 0:51 ` Joonsoo Kim
2017-11-15 2:04 ` Tony Lindgren
2017-11-15 2:04 ` Tony Lindgren
2017-11-15 2:48 ` Joonsoo Kim
2017-11-15 2:48 ` Joonsoo Kim
2017-11-15 2:53 ` Tony Lindgren
2017-11-15 2:53 ` Tony Lindgren
2017-11-15 2:53 ` Tony Lindgren
2017-09-15 13:18 ` Pavel Machek
2017-09-15 13:18 ` Pavel Machek
2017-09-18 2:01 ` Joonsoo Kim
2017-09-18 2:01 ` Joonsoo Kim
2017-09-18 8:11 ` Linux-next broken for 2 weeks was " Pavel Machek
2017-09-18 8:11 ` Pavel Machek
2017-09-18 22:00 ` Stephen Rothwell
2017-09-18 22:00 ` Stephen Rothwell
2017-09-18 22:16 ` Pavel Machek
2017-09-18 22:16 ` Pavel Machek
2017-09-15 13:28 ` Pali Rohár
2017-09-15 13:28 ` Pali Rohár
2017-09-18 2:07 ` Joonsoo Kim
2017-09-18 2:07 ` Joonsoo Kim
2017-09-08 9:31 ` Pavel Machek
2017-09-08 9:31 ` 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=20170925145437.GG4394@atomide.com \
--to=tony@atomide.com \
--cc=aaro.koskinen@iki.fi \
--cc=abcloriens@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=iamjoonsoo.kim@lge.com \
--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=linux@armlinux.org.uk \
--cc=pali.rohar@gmail.com \
--cc=patrikbachan@gmail.com \
--cc=pavel@ucw.cz \
--cc=serge@hallyn.com \
--cc=sfr@canb.auug.org.au \
--cc=sre@kernel.org \
--cc=vbabka@suse.cz \
/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.