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Re: [Qemu-devel] [PULL 00/32] Misc patches for QEMU soft freeze

From: Peter Maydell
Subject: Re: [Qemu-devel] [PULL 00/32] Misc patches for QEMU soft freeze
Date: Wed, 29 Jun 2016 10:42:33 +0100

On 28 June 2016 at 18:33, Paolo Bonzini <address@hidden> wrote:
> The following changes since commit 7dd929dfdc5c52ce79b21bf557ff506e89acbf63:
>   configure: Make AVX2 test robust to non-ELF systems (2016-06-28 15:40:40 
> +0100)
> are available in the git repository at:
>   git://github.com/bonzini/qemu.git tags/for-upstream
> for you to fetch changes up to ea74c50f48100860ef4d27f4a1b2aa3f5cb9a766:
>   vl: smp_parse: fix regression (2016-06-28 19:19:29 +0200)
> ----------------------------------------------------------------
> * serial port fixes (Paolo)
> * Q35 modeling improvements (Paolo, Vasily)
> * chardev cleanup improvements (Marc-André)
> * iscsi bugfix (Peter L.)
> * cpu_exec patch from multi-arch patches (Peter C.)
> * pci-assign tweak (Lin Ma)

This triggers a lot of errors from the clang ubsan:

/home/petmay01/linaro/qemu-for-merges/qemu-char.c:4043:5: runtime
error: member access within misaligned address 0x101010101010101 for
type 'CharDriverState' (aka 'struct CharDriverState'), which requires
8 byte alignment
0x101010101010101: note: pointer points here

(There was also a hang trying to run tests on 32-bit
ARM, which might or might not be related. Don't have
more details on that one, sorry.)

-- PMM

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