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From: Gerd Hoffmann <kraxel@redhat.com>
To: Juergen Gross <jgross@suse.com>
Cc: qemu-devel@nongnu.org, xen-devel@lists.xensource.com,
	anthony.perard@citrix.com, sstabellini@kernel.org
Subject: Re: [Qemu-devel] [PATCH 0/2] Xen pvUSB correction
Date: Tue, 27 Sep 2016 10:51:19 +0200	[thread overview]
Message-ID: <1474966279.26376.5.camel@redhat.com> (raw)
In-Reply-To: <1474893837-13010-1-git-send-email-jgross@suse.com>

On Mo, 2016-09-26 at 14:43 +0200, Juergen Gross wrote:
> Trying to use pvUSB in a Xen guest with a qemu emulated USB controller
> will crash qemu as it tries to attach a pvUSB device to the emulated
> controller.

Hmm.  --verbose please.

While this clearly doesn't do what you intended I think it should not
have crashed qemu.  pvUSB devices should work on emulated controller
(and emulated devices should work on the pvUSB controller).  If they
don't you probably taking shortcuts somewhere which work only for the
pvUSB device on pvUSB controller case.

Please check.

cheers,
  Gerd

WARNING: multiple messages have this Message-ID (diff)
From: Gerd Hoffmann <kraxel@redhat.com>
To: Juergen Gross <jgross@suse.com>
Cc: anthony.perard@citrix.com, xen-devel@lists.xensource.com,
	sstabellini@kernel.org, qemu-devel@nongnu.org
Subject: Re: [PATCH 0/2] Xen pvUSB correction
Date: Tue, 27 Sep 2016 10:51:19 +0200	[thread overview]
Message-ID: <1474966279.26376.5.camel@redhat.com> (raw)
In-Reply-To: <1474893837-13010-1-git-send-email-jgross@suse.com>

On Mo, 2016-09-26 at 14:43 +0200, Juergen Gross wrote:
> Trying to use pvUSB in a Xen guest with a qemu emulated USB controller
> will crash qemu as it tries to attach a pvUSB device to the emulated
> controller.

Hmm.  --verbose please.

While this clearly doesn't do what you intended I think it should not
have crashed qemu.  pvUSB devices should work on emulated controller
(and emulated devices should work on the pvUSB controller).  If they
don't you probably taking shortcuts somewhere which work only for the
pvUSB device on pvUSB controller case.

Please check.

cheers,
  Gerd

  parent reply	other threads:[~2016-09-27  8:51 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-26 12:43 [Qemu-devel] [PATCH 0/2] Xen pvUSB correction Juergen Gross
2016-09-26 12:43 ` Juergen Gross
2016-09-26 12:43 ` [Qemu-devel] [PATCH 1/2] xen: add an own bus for xen backend devices Juergen Gross
2016-09-26 12:43   ` Juergen Gross
2016-09-27  8:53   ` [Qemu-devel] " Gerd Hoffmann
2016-09-27  8:53     ` Gerd Hoffmann
2016-09-29 14:39     ` [Qemu-devel] " Juergen Gross
2016-09-29 14:39       ` Juergen Gross
2016-09-26 12:43 ` [Qemu-devel] [PATCH 2/2] xen: add qemu device for each pvusb backend Juergen Gross
2016-09-26 12:43   ` Juergen Gross
2016-09-27  9:00   ` [Qemu-devel] " Daniel P. Berrange
2016-09-27  9:00     ` Daniel P. Berrange
2016-09-29 14:39     ` [Qemu-devel] " Juergen Gross
2016-09-29 14:39       ` Juergen Gross
2016-09-27  9:08   ` Gerd Hoffmann
2016-09-27  9:08     ` Gerd Hoffmann
2016-09-29 14:49     ` [Qemu-devel] " Juergen Gross
2016-09-29 14:49       ` Juergen Gross
2016-09-29 15:16       ` [Qemu-devel] " Gerd Hoffmann
2016-09-29 15:16         ` Gerd Hoffmann
2016-09-29 19:39         ` [Qemu-devel] " Markus Armbruster
2016-09-29 19:39           ` Markus Armbruster
2016-09-27  8:51 ` Gerd Hoffmann [this message]
2016-09-27  8:51   ` [PATCH 0/2] Xen pvUSB correction Gerd Hoffmann
2016-09-29 14:38   ` [Qemu-devel] " Juergen Gross
2016-09-29 14:38     ` Juergen Gross

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