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Re: In QEMU: "ide0: buggy RZ1000 interface: disabled read-ahead"

From: Michal Suchanek
Subject: Re: In QEMU: "ide0: buggy RZ1000 interface: disabled read-ahead"
Date: Sat, 27 May 2006 16:36:30 +0200

On 5/26/06, Yan Li <> wrote:

Thank you.  But I've read that before and found nothing helpful on
Hurd (it just told you how to tickle the Linux kernel, imho).

Another installation today showed same problem as before.

I wonder why the other users that running Hurd on QEMU haven't report
this problem yet, while I thought my approach to install Hurd was so
straightforward that every sane Hurd installation on QEMU would
trigger this problem. Perhaps my QEMU binary from Fedora is

I would not be much concerned about this. It says that the linux
driver inside gnumach (mis)detected the ide interface in qemu as an
old and buggy chip.
It only says it disables readahed feature on the interface. Since the
interface is completely emulated this feature is useless anyway. The
readahead on your real disk should still work, and it also applies to
the qemu disk image.



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