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From: Max Filippov <jcmvbkbc@gmail.com>
To: "Emilio G. Cota" <cota@braap.org>
Cc: qemu-devel <qemu-devel@nongnu.org>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Richard Henderson" <richard.henderson@linaro.org>
Subject: Re: [Qemu-devel] segfault on the mainline qemu-softmmu
Date: Fri, 8 Feb 2019 15:47:02 -0800	[thread overview]
Message-ID: <CAMo8BfLsEtpEnAUBNmGcZLky4jOwOOX2UUHUEwROm7ZoqXbRBQ@mail.gmail.com> (raw)
In-Reply-To: <20190208232737.GA5156@flamenco>

Hi Emilio,

On Fri, Feb 8, 2019 at 3:27 PM Emilio G. Cota <cota@braap.org> wrote:
> On Fri, Feb 08, 2019 at 13:00:44 -0800, Max Filippov wrote:
> > after updating to the latest qemu mainline I get segfault with the following
> > backtrace when I run qemu-system-xtensa:

> The problem is that tlb_fill can end up triggering a resize of
> the TLB, and therefore after tlb_fill() we might end up with a
> stale entry pointer and index.
>
> Can you please test the appended?

that fixed the segfault for me, thank you!
Tested-by: Max Filippov <jcmvbkbc@gmail.com>

-- 
Thanks.
-- Max

      reply	other threads:[~2019-02-08 23:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-08 21:00 [Qemu-devel] segfault on the mainline qemu-softmmu Max Filippov
2019-02-08 23:27 ` Emilio G. Cota
2019-02-08 23:47   ` Max Filippov [this message]

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