From: Richard Henderson <rth@twiddle.net>
To: qemu@zensonic.dk
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Help getting an qemu-alpha environment to work
Date: Sat, 24 Apr 2010 18:07:58 -0700 [thread overview]
Message-ID: <4BD395EE.2090409@twiddle.net> (raw)
In-Reply-To: <20100424155146.GB17412@zensonic.dk>
On 04/24/2010 08:51 AM, qemu@zensonic.dk wrote:
> I was a bit surprised not being greeted with "hello world", so I ran:
>
> $ ../../alpha-linux-user/qemu-alpha -strace hello-alpha
> 17682 write(1,0,536871368) = -1 errno=14 (Bad address)
> 17682 exit(0)
There's a problem with the current implementation of mmap
in linux-user such that it can return addresses that are
outside the "valid" address space of the guest.
I have a patch sequence that fixes this, but it's not
terribly clean and has bad worst-case performance so I
havn't bothered submitting it.
r~
next prev parent reply other threads:[~2010-04-25 1:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-24 15:51 [Qemu-devel] Help getting an qemu-alpha environment to work qemu
2010-04-25 1:07 ` Richard Henderson [this message]
2010-04-27 6:00 ` qemu
2010-04-27 18:13 ` Richard Henderson
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