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Re: [Qemu-arm] [Qemu-devel] [PULL 08/13] target/arm: Pull Thumb insn wor

From: Peter Maydell
Subject: Re: [Qemu-arm] [Qemu-devel] [PULL 08/13] target/arm: Pull Thumb insn word loads up to top level
Date: Sun, 10 Dec 2017 18:24:26 +0000

On 8 December 2017 at 23:09, Emilio G. Cota <address@hidden> 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.

-- PMM

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