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From: Peter Maydell <peter.maydell@linaro.org>
Date: Sun, 10 Dec 2017 18:24:26 +0000
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Subject: Re: [Qemu-devel] [PULL 08/13] target/arm: Pull Thumb insn word
 loads up to top level
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To: "Emilio G. Cota" <cota@braap.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>, Richard Henderson <richard.henderson@linaro.org>, qemu-arm <qemu-arm@nongnu.org>

On 8 December 2017 at 23:09, Emilio G. Cota <cota@braap.org> wrote:
> On Thu, Oct 12, 2017 at 17:03:31 +0100, Peter Maydell wrote:
>> Refactor the Thumb decode to do the loads of the instruction words at
>> the top level rather than only loading the second half of a 32-bit
>> Thumb insn in the middle of the decode.

> This commit breaks the debian-arm boot test (see [1]), boot dies at:
>
>> random: systemd urandom read with 4 bits of entropy available
>> systemd[1]: Caught <SEGV>, core dump failed.
>> systemd[1]: Freezing execution.
>
> Sorry I noticed this so late (-rc4), for a while I thought my development
> was causing this and didn't pay much attention to it. However, just realised
> the problem is present on master. Bisect log below.

It's missed the deadline for getting fixed in 2.11, but I'll have
a look at what's going on here.

thanks
-- PMM