From: Mel Gorman <mgorman@suse.de>
To: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>,
Minchan Kim <minchan@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Michal Nazarewicz <mina86@mina86.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: CMA broken in next-20120926
Date: Fri, 28 Sep 2012 11:52:55 +0100 [thread overview]
Message-ID: <20120928105255.GA29125@suse.de> (raw)
In-Reply-To: <20120928103815.GA15219@avionic-0098.mockup.avionic-design.de>
On Fri, Sep 28, 2012 at 12:38:15PM +0200, Thierry Reding wrote:
> >
> >
> > I've been running a few tests and indeed this solves the obvious problem
> > that the coherent pool cannot be created at boot (which in turn caused
> > the ethernet adapter to fail on Tegra).
> >
> > However I've been working on the Tegra DRM driver, which uses CMA to
> > allocate large chunks of framebuffer memory and these are now failing.
> > I'll need to check if Minchan's patch solves that problem as well.
>
> Indeed, with Minchan's patch the DRM can allocate the framebuffer
> without a problem. Something else must be wrong then.
>
Can you check if Minchan's version 100% succeeds and my version 100%
fails or is it a case that sometimes CMA works and sometimes fails with
both versions?
I'll examine the patch of course and see what flaw is there this time.
--
Mel Gorman
SUSE Labs
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WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>,
Minchan Kim <minchan@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Michal Nazarewicz <mina86@mina86.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: CMA broken in next-20120926
Date: Fri, 28 Sep 2012 11:52:55 +0100 [thread overview]
Message-ID: <20120928105255.GA29125@suse.de> (raw)
In-Reply-To: <20120928103815.GA15219@avionic-0098.mockup.avionic-design.de>
On Fri, Sep 28, 2012 at 12:38:15PM +0200, Thierry Reding wrote:
> >
> >
> > I've been running a few tests and indeed this solves the obvious problem
> > that the coherent pool cannot be created at boot (which in turn caused
> > the ethernet adapter to fail on Tegra).
> >
> > However I've been working on the Tegra DRM driver, which uses CMA to
> > allocate large chunks of framebuffer memory and these are now failing.
> > I'll need to check if Minchan's patch solves that problem as well.
>
> Indeed, with Minchan's patch the DRM can allocate the framebuffer
> without a problem. Something else must be wrong then.
>
Can you check if Minchan's version 100% succeeds and my version 100%
fails or is it a case that sometimes CMA works and sometimes fails with
both versions?
I'll examine the patch of course and see what flaw is there this time.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2012-09-28 10:53 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-27 11:29 CMA broken in next-20120926 Thierry Reding
2012-09-27 15:59 ` Marek Szyprowski
2012-09-27 17:49 ` Mark Brown
2012-09-27 22:11 ` Andrew Morton
2012-09-27 22:11 ` Andrew Morton
2012-09-28 5:43 ` Minchan Kim
2012-09-28 5:43 ` Minchan Kim
2012-09-28 6:10 ` Thierry Reding
2012-09-28 7:44 ` Peter Ujfalusi
2012-09-28 7:44 ` Peter Ujfalusi
2012-09-28 7:56 ` Mel Gorman
2012-09-28 7:56 ` Mel Gorman
2012-09-28 8:09 ` Mel Gorman
2012-09-28 8:09 ` Mel Gorman
2012-09-28 8:37 ` Mel Gorman
2012-09-28 8:37 ` Mel Gorman
2012-09-28 8:48 ` Peter Ujfalusi
2012-09-28 8:48 ` Peter Ujfalusi
2012-09-28 10:27 ` Mel Gorman
2012-09-28 10:27 ` Mel Gorman
2012-09-28 10:32 ` Thierry Reding
2012-09-28 10:38 ` Thierry Reding
2012-09-28 10:51 ` Thierry Reding
2012-09-28 11:07 ` Mel Gorman
2012-09-28 11:07 ` Mel Gorman
2012-09-28 11:39 ` Thierry Reding
2012-09-28 12:43 ` Mel Gorman
2012-09-28 12:43 ` Mel Gorman
2012-10-01 14:24 ` Thierry Reding
2012-10-02 12:48 ` Thierry Reding
2012-10-02 14:41 ` Mel Gorman
2012-10-02 14:41 ` Mel Gorman
2012-10-02 15:03 ` Thierry Reding
2012-10-02 15:12 ` Mel Gorman
2012-10-02 15:12 ` Mel Gorman
2012-10-08 8:06 ` Minchan Kim
2012-10-08 8:06 ` Minchan Kim
2012-10-08 8:48 ` Mel Gorman
2012-10-08 8:48 ` Mel Gorman
2012-10-09 8:40 ` Bartlomiej Zolnierkiewicz
2012-10-09 8:40 ` Bartlomiej Zolnierkiewicz
2012-10-09 10:11 ` Mel Gorman
2012-10-09 10:11 ` Mel Gorman
2012-10-09 11:02 ` Thierry Reding
2012-10-09 11:08 ` Bartlomiej Zolnierkiewicz
2012-10-09 11:08 ` Bartlomiej Zolnierkiewicz
2012-10-09 11:32 ` Mel Gorman
2012-10-09 11:32 ` Mel Gorman
2012-10-09 11:38 ` Thierry Reding
2012-09-28 10:52 ` Mel Gorman [this message]
2012-09-28 10:52 ` Mel Gorman
2012-10-04 14:00 ` [PATCH] mm: compaction: Iron out isolate_freepages_block() and isolate_freepages_range() -fix1 Mel Gorman
2012-10-04 14:00 ` Mel Gorman
2012-10-05 9:59 ` [PATCH] mm: compaction: Iron out isolate_freepages_block() and isolate_freepages_range() -fix2 Mel Gorman
2012-10-05 9:59 ` Mel Gorman
2012-10-08 6:50 ` Minchan Kim
2012-10-08 6:50 ` Minchan Kim
2012-10-08 6:53 ` [PATCH] mm: compaction: Iron out isolate_freepages_block() and isolate_freepages_range() -fix1 Minchan Kim
2012-10-08 6:53 ` Minchan Kim
2012-10-04 14:03 ` [PATCH] mm: compaction: Cache if a pageblock was scanned and no pages were isolated -fix3 Mel Gorman
2012-10-04 14:03 ` Mel Gorman
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