Re: [Qemu-devel] [PULL v3 01/18] tcg: Support arbitrary size + alignment

[Richard Henderson]

On 09/20/2016 03:16 AM, Bharata B Rao wrote:
> This breaks ppc64 emulation on x86 pretty early during boot.
> 
> Quiescing Open Firmware ...
> Booting Linux via __start() @ 0x0000000000400000 ...
> 
> Thread 4 "qemu-system-ppc" received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fffc3bfb700 (LWP 17798)]
> 0x00007fffd302030f in code_gen_buffer ()
> Missing separate debuginfos, use: dnf debuginfo-install
> glib2-2.48.1-1.fc24.x86_64 gmp-6.1.0-2.fc24.x86_64
> gnutls-3.4.12-1.fc24.x86_64 libfdt-1.4.1-5.fc24.x86_64
> libffi-3.1-9.fc24.x86_64 libgcc-6.1.1-2.fc24.x86_64
> libidn-1.32-2.fc24.x86_64 libstdc++-6.1.1-2.fc24.x86_64
> libtasn1-4.8-1.fc24.x86_64 libX11-1.6.3-3.fc24.x86_64
> libXau-1.0.8-6.fc24.x86_64 libxcb-1.11.1-2.fc24.x86_64
> ncurses-libs-6.0-6.20160709.fc24.x86_64 nettle-3.2-2.fc24.x86_64
> p11-kit-0.23.2-2.fc24.x86_64 pcre-8.39-1.fc24.x86_64
> pixman-0.34.0-2.fc24.x86_64 SDL-1.2.15-21.fc24.x86_64
> zlib-1.2.8-10.fc24.x86_64
> (gdb) bt
> #0  0x00007fffd302030f in code_gen_buffer ()

Yes, I was able to reproduce this, although I nearly got to a shell prompt with
Fedora 19 media before it occurred.

I'll send a fix right away.


r~