linux-kernel - Re: BUG? atleast >=2.6.19-rc5, x86 chroot on x86

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Message-Id: <1164548835.9291.13.camel@localhost>
Date:	Sun, 26 Nov 2006 14:47:15 +0100
From:	Kasper Sandberg <lkml@...anurb.dk>
To:	Andrew Morton <akpm@...l.org>
Cc:	LKML Mailinglist <linux-kernel@...r.kernel.org>
Subject: Re: BUG? atleast >=2.6.19-rc5, x86 chroot on x86_64

On Wed, 2006-11-22 at 15:25 -0800, Andrew Morton wrote:
> On Wed, 22 Nov 2006 15:29:02 +0100
> Kasper Sandberg <lkml@...anurb.dk> wrote:
> 
> > it appears some sort of bug has gotten into .19, in regards to x86
> > emulation on x86_64.
> > 
> > i have only tested with >=rc5, thw folling, as an example, appears in
> > dmesg:
> > ioctl32(regedit.exe:11801): Unknown cmd fd(9) cmd(82187201){02}
> > arg(00221000) on /home/redeeman
> > ioctl32(regedit.exe:11801): Unknown cmd fd(9) cmd(82187201){02}
> > arg(00221000) on /home/redeeman/.wine/drive_c/windows/system32
> 
> Try
> 
> 	echo 0 > /proc/sys/kernel/compat-log
> 
this appears to make the logging stop, however, it still acts somewhat
weird, and i am somewhat certain its because of this. this appears to be
able to cause hardlocks.
> I don't _think_ we did anything to change the logging in there.  Which kernel
> version were you using previously (the one which didn't do this)?
.18
> 
> 

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