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From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
	qemu-devel <qemu-devel@nongnu.org>,
	Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode
Date: Thu, 25 Aug 2011 14:19:03 +0300	[thread overview]
Message-ID: <4E562FA7.7060803@redhat.com> (raw)
In-Reply-To: <4E562925.30100@siemens.com>

On 08/25/2011 01:51 PM, Jan Kiszka wrote:
> >
> >  Plain F15 is slow.  SR2 = SR4 = 0.
>
> So it's not using chain4 mode. Can you check what mode the adapter is
> actually in and how VRAM is accessed? Likely, there is nothing we can do
> about it. /me just wonders what makes F15 grub behave differently from
> other distro's versions...
>

Do you remember offhand which registers I need to look at?

We need a collection of gdb scripts to find a qdev, dump the memory 
hierarchy, look up gpas, and get info about specific devices.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

  reply	other threads:[~2011-08-25 11:19 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-22 17:12 [Qemu-devel] [PATCH v3 0/6] vga: dirty log cleanup, more linear mapping Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 1/6] vmware-vga: Register reset service Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 2/6] vmware-vga: Disable verbose mode Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 3/6] vmware-vga: Remove dead DIRECT_VRAM mode Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 4/6] vmware-vga: Eliminate vga_dirty_log_restart Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode Jan Kiszka
2011-08-25  7:19   ` Avi Kivity
2011-08-25  9:07     ` Jan Kiszka
2011-08-25  9:16       ` Avi Kivity
2011-08-25  9:21         ` Jan Kiszka
2011-08-25 10:45           ` Avi Kivity
2011-08-25 10:51             ` Jan Kiszka
2011-08-25 11:19               ` Avi Kivity [this message]
2011-08-25 11:28                 ` Jan Kiszka
2011-09-12 15:20   ` Alexander Graf
2011-09-12 15:33     ` Jan Kiszka
2011-09-12 15:45       ` Andreas Färber
2011-09-12 15:49         ` Jan Kiszka
2011-09-12 15:57           ` Jan Kiszka
2011-09-13  7:39             ` Alexander Graf
2011-09-13  8:14               ` Jan Kiszka
2011-09-13  8:17                 ` Alexander Graf
2011-09-13  8:19                 ` Andreas Färber
2011-09-13  8:40                 ` Alexander Graf
2011-09-13  9:00                   ` Jan Kiszka
2011-09-13  9:42                     ` Alexander Graf
2011-09-13 11:34                       ` Jan Kiszka
2011-09-13 19:39                         ` Blue Swirl
2011-09-14  7:11                           ` Avi Kivity
2011-09-14  7:42                             ` Alexander Graf
2011-09-14  8:02                               ` Jan Kiszka
2011-09-14  8:17                               ` Avi Kivity
2011-09-14  8:20                                 ` Jan Kiszka
2011-09-14  8:22                                   ` Avi Kivity
2011-09-14  8:24                                     ` Jan Kiszka
2011-09-14  8:27                                       ` Alexander Graf
2011-09-14  8:33                                         ` Jan Kiszka
2011-09-14  8:35                                         ` Avi Kivity
2011-09-14 20:06                                           ` Blue Swirl
2011-09-14 20:14                                             ` Alexander Graf
2011-09-14 20:16                                               ` Avi Kivity
2011-09-14 20:35                                                 ` Alexander Graf
2011-09-14 20:42                                                   ` Richard Henderson
2011-09-14 21:27                                                     ` Andreas Färber
2011-09-14 21:41                                                     ` Alexander Graf
2011-09-15  1:24                                                       ` Benjamin Herrenschmidt
2011-09-15  7:32                                                         ` Avi Kivity
2011-09-15  7:35                                                         ` Alexander Graf
2011-09-15 10:01                                                           ` Benjamin Herrenschmidt
2011-09-15 11:31                                                             ` Avi Kivity
2011-09-17 21:40                                                               ` Blue Swirl
2011-09-18 11:28                                                                 ` Avi Kivity
2011-09-19  9:15                                                                 ` Alexander Graf
2011-09-19  9:22                                                                   ` Avi Kivity
2011-09-19  9:36                                                                     ` Alexander Graf
2011-09-19  9:48                                                                       ` Avi Kivity
2011-09-14 20:15                                             ` Avi Kivity
2011-09-14 20:25                                               ` Blue Swirl
2011-09-15  7:30                                                 ` Avi Kivity
2011-09-13  9:43                     ` Andreas Färber
2011-09-12 20:21     ` Blue Swirl
2011-09-13  6:54       ` Alexander Graf
2011-09-13  7:51         ` Avi Kivity
2011-09-13  7:54           ` Alexander Graf
2011-09-13  8:10             ` Avi Kivity
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 6/6] vga: Drop some unused fields Jan Kiszka
2011-08-22 20:18 ` [Qemu-devel] [PATCH v3 0/6] vga: dirty log cleanup, more linear mapping Anthony Liguori
2011-08-22 20:36   ` Jan Kiszka

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