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From: Richard Henderson <rth@twiddle.net>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: qemu-devel <qemu-devel@nongnu.org>,
	Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] Is mips-user broken on 64bit host?
Date: Thu, 20 Dec 2012 16:19:26 -0800	[thread overview]
Message-ID: <50D3AB0E.6000505@twiddle.net> (raw)
In-Reply-To: <50D09592.8060000@msgid.tls.msk.ru>

On 12/18/2012 08:10 AM, Michael Tokarev wrote:
> Is it just Debian, or is something really broken there?

Something's broken.  But it's tricky.

For instance, running with -R 2G works, but -R 3G does not.

Now, I'll also note for the record that 2G is the most that
a mips32 userland application ought to be able to reference
anyway -- anything with the high-bit set is by definition
kernel space.

So while I have yet to track down exactly what went wrong,
I have a suspicion that it might actually be related to the
incorrect placement of the objects in the address space.


r~

      parent reply	other threads:[~2012-12-21  0:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-18 16:10 [Qemu-devel] Is mips-user broken on 64bit host? Michael Tokarev
2012-12-18 19:05 ` [Qemu-devel] (bisected): Is mips-user broken on 64bit host since v1.1? Michael Tokarev
2012-12-18 21:30   ` Stefan Weil
2012-12-18 21:33   ` Alexander Graf
2012-12-19  6:26     ` Michael Tokarev
2012-12-21  0:19 ` Richard Henderson [this message]

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