From: Chris Ball <cjb@laptop.org>
To: Adrian Hunter <adrian.hunter@nokia.com>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>
Subject: Re: mmc_test: fix performance tests that go over max_blk_count
Date: Sun, 12 Sep 2010 00:47:07 +0100 [thread overview]
Message-ID: <20100911234706.GA14042@void.printf.net> (raw)
In-Reply-To: <20100910203957.GA2966@void.printf.net>
Hi Adrian,
On Fri, Sep 10, 2010 at 09:39:57PM +0100, Chris Ball wrote:
> My test machine (Dell m6300, Sandisk Extreme III 4GB) no longer BUG()s,
> but it's still failing all of the transfer tests:
>
> mmc0: Test case 22. Multi-block highmem read...
> mmc0: Result: OK
> mmc0: Test case 23. Best-case read performance...
> mmc0: Result: Prepare stage failed! (-12)
Tracked this down a little farther. mmc_test_alloc_mem() is bailing
out here:
if (mem->cnt >= max_segs) {
if (page_cnt < min_page_cnt)
goto out_free;
break;
}
with vars mem->cnt=1, max_segs=1, page_cnt=0, min_page_cnt=16.
Thanks,
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
prev parent reply other threads:[~2010-09-11 23:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-10 8:33 mmc_test: fix performance tests that go over max_blk_count Adrian Hunter
2010-09-10 15:29 ` Chris Ball
2010-09-10 18:58 ` Adrian Hunter
2010-09-10 20:06 ` Chris Ball
2010-09-10 20:39 ` Chris Ball
2010-09-11 23:47 ` Chris Ball [this message]
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