From: Max Filippov <jcmvbkbc@gmail.com>
To: Sergey Fedorov <serge.fdrv@gmail.com>
Cc: "Richard Henderson" <rth@twiddle.net>,
"Alex Bennée" <alex.bennee@linaro.org>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] "tcg: Clean up direct block chaining safety checks" breaks target-xtensa mmu test
Date: Sun, 15 May 2016 22:53:56 +0300 [thread overview]
Message-ID: <20160515195356.GB24189@octofox.metropolis> (raw)
In-Reply-To: <5738D046.6000509@gmail.com>
On Sun, May 15, 2016 at 10:38:46PM +0300, Sergey Fedorov wrote:
> On 15/05/16 21:58, Max Filippov wrote:
> > I've noticed that the commit 5b053a4a28278 (tcg: Clean up direct block
> > chaining safety checks) has broken tearget-xtensa test cross_page_tb
> > from the tests/tcg/xtensa/test_mmu.S. The test runs a TB that spans two
> > adjacent pages, then unmaps the second page and runs it again. It
> > expects an instruction fetch exception on the second run, but with the
> > said commit doesn't get it. Reverting that commit fixes the test.
> > Any suggestions?
>
> That's too strange. How do I run the test?
I've minimized the test case, the source and the binary are available
here:
http://jcmvbkbc.spb.ru/~jcmvbkbc/tmp/201605152245/
You can run it as
qemu-system-xtensa -M sim -cpu dc232b -nographic -semihosting -kernel ./test_mmu.tst
--
Thanks.
-- Max
next prev parent reply other threads:[~2016-05-15 19:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-15 18:58 [Qemu-devel] "tcg: Clean up direct block chaining safety checks" breaks target-xtensa mmu test Max Filippov
2016-05-15 19:38 ` Sergey Fedorov
2016-05-15 19:53 ` Max Filippov [this message]
2016-05-15 19:56 ` Sergey Fedorov
2016-05-15 20:54 ` Sergey Fedorov
2016-05-16 14:36 ` Sergey Fedorov
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