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From: Gerd Hoffmann <kraxel@redhat.com>
To: Konstantin Ozerkov <kozerkov@parallels.com>
Cc: Takashi Iwai <tiwai@suse.de>, Denis Lunev <den@parallels.com>,
	Avi Kivity <avi@redhat.com>,
	"Denis V. Lunev (openvz)" <den@openvz.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	KVM list <kvm@vger.kernel.org>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: Wierd hack to sound/pci/intel8x0.c
Date: Mon, 07 Nov 2011 11:35:49 +0100	[thread overview]
Message-ID: <4EB7B485.3090907@redhat.com> (raw)
In-Reply-To: <4EB7AA6F.5000909@parallels.com>

  Hi,

> We discuss Intel ICH/AC'97 (snd-intel8x0) here, but I hope that PCI SSID
> is same.

Hmm, it's not, the ac97 emulation doesn't use the default qemu subsystem
id for some reason.  Here is the entry:

[root@fedora ~]# lspci -vns6
00:06.0 0401: 8086:2415 (rev 01)
        Subsystem: 8086:0000
        Physical Slot: 6
        Flags: bus master, medium devsel, latency 0, IRQ 10
        I/O ports at c000 [size=1K]
        I/O ports at c400 [size=256]
        Kernel driver in use: Intel ICH
        Kernel modules: snd-intel8x0

I guess that should be fixed.  8086:0000 isn't valid anyway and I doubt
it serves any useful purpose other than avoiding a guest complaining
about the subsystem id being unset.

/me goes preparing a patch.

cheers,
  Gerd

  reply	other threads:[~2011-11-07 10:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-06 14:51 Wierd hack to sound/pci/intel8x0.c Avi Kivity
2011-11-06 16:15 ` Denis V. Lunev
2011-11-06 16:31   ` Avi Kivity
2011-11-06 16:47     ` Takashi Iwai
2011-11-06 16:56       ` Denis V. Lunev
2011-11-06 16:50     ` Denis V. Lunev
2011-11-06 16:33   ` Takashi Iwai
2011-11-07  9:25     ` Gerd Hoffmann
2011-11-07  9:52       ` Konstantin Ozerkov
2011-11-07 10:35         ` Gerd Hoffmann [this message]
2011-11-07 10:45           ` Takashi Iwai
2011-11-07 10:44       ` Takashi Iwai

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