From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Lieven <pl@kamp.de>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: John Snow <jsnow@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
qemu-block@nongnu.org
Subject: Re: [Qemu-devel] [Qemu-block] Migration sometimes fails with IDE and Qemu 2.2.1
Date: Tue, 07 Apr 2015 17:14:03 +0200 [thread overview]
Message-ID: <5523F43B.2070707@redhat.com> (raw)
In-Reply-To: <5523F38A.4090305@kamp.de>
On 07/04/2015 17:11, Peter Lieven wrote:
> > I'm not sure at what kernel version the switch is, but newer kernels use some
> > code shared with the newer SATA world (libata?) where as older kernels had
> > separate IDE code, so the behaviour of the two can be quite different.
>
> Thats a good point. I will check what the kernels have.
> I remember that there was sth like a problem with error handling in
> the old drivers? Paolo, you worked a lot on IDE lately. Do you remember?
No, I don't know... I didn't work a lot on IDE, those patches were all
several years old and finally John shepherded them in. :)
Still, what David says is correct. At least RHEL5's 2.6.18 defaulted to
the old IDE drivers (/dev/hdXNN).
Paolo
next prev parent reply other threads:[~2015-04-07 15:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-06 18:47 [Qemu-devel] Migration sometimes fails with IDE and Qemu 2.2.1 Peter Lieven
2015-04-06 18:50 ` [Qemu-devel] [Qemu-block] " John Snow
2015-04-06 19:02 ` Peter Lieven
2015-04-06 19:10 ` Peter Lieven
2015-04-07 8:43 ` Dr. David Alan Gilbert
2015-04-07 15:11 ` Peter Lieven
2015-04-07 15:14 ` Paolo Bonzini [this message]
2015-04-07 18:54 ` Peter Lieven
2015-04-07 15:29 ` Dr. David Alan Gilbert
2015-04-07 18:44 ` Peter Lieven
2015-04-07 18:56 ` John Snow
2015-04-07 19:02 ` Peter Lieven
2015-04-07 19:13 ` John Snow
2015-04-09 6:34 ` Peter Lieven
2015-04-09 12:46 ` Peter Lieven
2015-04-09 12:50 ` Paolo Bonzini
2015-04-07 19:01 ` Dr. David Alan Gilbert
2015-04-07 19:04 ` Peter Lieven
2015-04-09 12:49 ` Peter Lieven
2015-04-09 13:32 ` Peter Lieven
2015-04-09 13:43 ` Dr. David Alan Gilbert
2015-04-09 14:54 ` Peter Lieven
2015-04-09 15:17 ` Paolo Bonzini
2015-04-11 13:11 ` Peter Lieven
2015-04-11 15:00 ` Peter Lieven
2015-04-13 7:20 ` Peter Lieven
2015-04-07 20:05 ` Paolo Bonzini
2015-04-09 6:43 ` Peter Lieven
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