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Re: [Qemu-devel] BUG: memory API related abort (bisected)


From: Paolo Bonzini
Subject: Re: [Qemu-devel] BUG: memory API related abort (bisected)
Date: Thu, 05 Sep 2013 08:05:31 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8

Il 05/09/2013 03:08, Luiz Capitulino ha scritto:
> Reproducer:
> 
>  1. Start QEMU with gdb support:
> 
>     $ qemu [...] -kernel [...] -s
> 
>  2. Start gdb and install a breakpoint
> 
>     gdb /path/to/vmlinux
>     (gdb) target remote localhost:1234
>     (gdb) b init_hw_perf_events
>     Remote communication error.  Target disconnected.: Connection reset by 
> peer.
> 
>  3. Kaboom on QEMU terminal
> 
> According to bisect the culprit is:
> 
> commit 23326164ae6fe8d94b7eff123e03f97ca6978d33
> Author: Richard Henderson <address@hidden>
> Date:   Mon Jul 8 14:55:59 2013 -0700
> 
>     exec: Support 64-bit operations in address_space_rw
>     
>     Honor the implementation maximum access size, and at least check
>     the minimum access size.

Already reported twice, missed 1.6, will send pull request today or
tomorrow.  Sorry for the breakage.

Paolo




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