On (Mon) Apr 12 2010 [21:06:29], Manish Regmi wrote:
Hi,
These days i am playing with qemu and kvm. The command line parameters can
become very long. Is there any technical reason why config file is not
implemented in qemu yet.
See -readconfig and -writeconfig. There's partial support for
Avi Kivity wrote:
On 04/12/2010 01:58 PM, Yoshiaki Tamura wrote:
Is it necessary to update migration and vga bitmaps?
We can simply update the master bitmap, and update the migration and vga
bitmaps only when they need it. That can be done in a different patch.
Let me explain the role of
2010/4/12 Gerhard Wiesinger li...@wiesinger.com:
Hello,
Checkit reports some problems under DOS:
1.) NPU functions are not correct: NPU Trigonometric Functions: FAILED.
Seems to be a problem of the instruction set.
2.) Real-Time Clock Alarm: FAILED (This might be also the reason for the
KVM
Please send in any agenda items you are interested in covering.
thanks,
-chris
Hi,
So for the already-translated code, we will miss singlestep?
At least SH4(and mips?) shows such behaviour.
I think a patch below enables single stepping in such case, too.
But, I'm not sure if this behaviour is on purpose, nor this patch is correct.
/yoshii
diff --git
From f881b371e08760a67bf1f5b992a586c3de600f7a Mon Sep 17 00:00:00 2001
From: Izik Eidus iei...@redhat.com
Date: Tue, 13 Apr 2010 12:24:57 +0300
Subject: [PATCH] fix migration with large mem
In cases of guests with large mem that have pages
that all their bytes content are the same, we will
spend
Signed-off-by: Stefan Hajnoczi stefa...@linux.vnet.ibm.com
---
block.c | 22 --
block_int.h |2 +-
2 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/block.c b/block.c
index 5d087de..12cf434 100644
--- a/block.c
+++ b/block.c
@@ -58,7 +58,8 @@ static
Several commands have code to create a BlockDriverState and open a file.
The bdrv_new_open() function can be used to perform these steps. This
patch converts the qemu-img commands to actually use bdrv_new_open().
Replaced the bdrv_new_open() 'readonly' argument with bdrv_open()-style
flags to
It should be BDRV_O_FLAGS instead of BRDV_O_FLAGS.
Signed-off-by: Stefan Hajnoczi stefa...@linux.vnet.ibm.com
---
qemu-img.c | 20 ++--
1 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/qemu-img.c b/qemu-img.c
index b30effa..7203b8b 100644
--- a/qemu-img.c
+++
These patches apply to Kevin's block branch.
On Tue, Apr 13, 2010 at 6:21 PM, takas...@ops.dti.ne.jp wrote:
Hi,
So for the already-translated code, we will miss singlestep?
At least SH4(and mips?) shows such behaviour.
I think a patch below enables single stepping in such case, too.
But, I'm not sure if this behaviour is on purpose,
On 04/13/2010 11:01 AM, Yoshiaki Tamura wrote:
Avi Kivity wrote:
On 04/12/2010 01:58 PM, Yoshiaki Tamura wrote:
Is it necessary to update migration and vga bitmaps?
We can simply update the master bitmap, and update the migration
and vga
bitmaps only when they need it. That can be done in a
The bdrv_create2 implementation has been disappeared long ago. Remove its
prototype from the header file, too.
Signed-off-by: Kevin Wolf kw...@redhat.com
---
block.h |4
1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/block.h b/block.h
index 4a57dd5..05ad572 100644
---
Avi Kivity wrote:
On 04/13/2010 11:01 AM, Yoshiaki Tamura wrote:
Avi Kivity wrote:
On 04/12/2010 01:58 PM, Yoshiaki Tamura wrote:
Is it necessary to update migration and vga bitmaps?
We can simply update the master bitmap, and update the migration
and vga
bitmaps only when they need it. That
Paul Brook wrote:
A major reason for this deadlock could likely be removed by shutting
down the tap (if peered) or dropping packets in user space (in case of
vlan) when a NIC is stopped or otherwise shut down. Currently most (if
not all) NIC models seem to signal both queue full and RX
Jamie Lokier wrote:
Paul Brook wrote:
A major reason for this deadlock could likely be removed by shutting
down the tap (if peered) or dropping packets in user space (in case of
vlan) when a NIC is stopped or otherwise shut down. Currently most (if
not all) NIC models seem to signal both
Paul Brook wrote:
But anyway, this flow control mechanism is buggy - what if instead of
an interface down, you just have a *slow* guest? That should not push
back so much that it makes other guests networking with each other
slow down.
The OP described multiple guests connected via a host
Ensure that pending requests of an SCSI disk are purged on system reset
and also restore max_lba. The latter is now only present in the reset
handler as that one is already automatically called during init.
Signed-off-by: Jan Kiszka jan.kis...@siemens.com
---
hw/scsi-disk.c | 32
Paul Brook wrote:
But anyway, this flow control mechanism is buggy - what if instead of
an interface down, you just have a *slow* guest? That should not push
back so much that it makes other guests networking with each other
slow down.
The OP described multiple guests connected via a
Paul Brook wrote:
Paul Brook wrote:
A major reason for this deadlock could likely be removed by shutting
down the tap (if peered) or dropping packets in user space (in case of
vlan) when a NIC is stopped or otherwise shut down. Currently most (if
not all) NIC models seem to signal both queue
Jun Koi wrote:
Hi,
I am looking into the singlestep command in monitor interface, and it
seems that we only take into account the singlestep flag when we are
translating code.
So for the already-translated code, we will miss singlestep?
This feature is broken. For TCG, it should at least
Paul Brook wrote:
A major reason for this deadlock could likely be removed by shutting
down the tap (if peered) or dropping packets in user space (in case of
vlan) when a NIC is stopped or otherwise shut down. Currently most (if
not all) NIC models seem to signal both queue full and RX
No topics, short call
On 13.04.2010, at 15:36, Jan Kiszka wrote:
Jun Koi wrote:
Hi,
I am looking into the singlestep command in monitor interface, and it
seems that we only take into account the singlestep flag when we are
translating code.
So for the already-translated code, we will miss singlestep?
This
Paul Brook wrote:
Paul Brook wrote:
So now everything that looks like a stream of bytes has to use the
virtio-serial code...
IMO, yes. That's the whole point of virtio-serial.
You can handle it however you like in your in your favourite guest OS, but I
object to qemu having multiple
Bear in mind that its rather unfair to (as has been in this case) have a
patch reviewed, modified based on criticism, and then rejected after
effort has been wasted working on it.
I'm pretty sure I raised all these issues the first time this code was
submitted.
Paul
The following situation was observed in the field:
tap1 sends packets, tap2 does not consume them, as a result
tap1 can not be closed. This happens because
tun/tap devices can hang on to skbs undefinitely.
As noted by Herbert, possible solutions include a timeout followed by a
copy/change of
On Tue, Apr 13, 2010 at 05:59:44PM +0300, Michael S. Tsirkin wrote:
The following situation was observed in the field:
tap1 sends packets, tap2 does not consume them, as a result
tap1 can not be closed. This happens because
tun/tap devices can hang on to skbs undefinitely.
As noted by
Alexander Graf wrote:
On 13.04.2010, at 15:36, Jan Kiszka wrote:
Jun Koi wrote:
Hi,
I am looking into the singlestep command in monitor interface, and it
seems that we only take into account the singlestep flag when we are
translating code.
So for the already-translated code, we will
So, rather than bike-shedding, how about making some kind of decision?
Ok, let me make this simple.
Features such as rate limiting and EGD protocol translation should not be part
of individual device emulation. They are part of the host interface, not the
guest machine. If you really want
Michael S. Tsirkin wrote:
The following situation was observed in the field:
tap1 sends packets, tap2 does not consume them, as a result
tap1 can not be closed.
And before that, tap1 may not be able to send further packets to anyone
else on the bridge as its TX resources were blocked by tap2 -
Mulyadi Santosa wrote:
Hi Jamie...
On Mon, Apr 12, 2010 at 19:07, Jamie Lokier ja...@shareable.org wrote:
There are various -no-kvm-XXX options to try:
-no-kvm-irqchip disable KVM kernel mode PIC/IOAPIC/LAPIC
-no-kvm-pit disable KVM kernel mode PIT
-no-kvm-pit-reinjection disable KVM
Eric Dumazet wrote:
Le mardi 13 avril 2010 à 17:36 +0200, Jan Kiszka a écrit :
Michael S. Tsirkin wrote:
The following situation was observed in the field:
tap1 sends packets, tap2 does not consume them, as a result
tap1 can not be closed.
And before that, tap1 may not be able to send
On Tue, Apr 13, 2010 at 06:40:38PM +0200, Eric Dumazet wrote:
Le mardi 13 avril 2010 à 17:36 +0200, Jan Kiszka a écrit :
Michael S. Tsirkin wrote:
The following situation was observed in the field:
tap1 sends packets, tap2 does not consume them, as a result
tap1 can not be closed.
On Mon, Apr 12, 2010 at 04:49:16PM +0200, Kevin Wolf wrote:
bdrv_open contains quite some code that is only useful for opening images (as
opposed to opening files by a protocol), for example snapshots.
This patch splits the code so that we have bdrv_open_file() for files (uses
protocols),
On 4/12/10, Paul Brook p...@codesourcery.com wrote:
A major reason for this deadlock could likely be removed by shutting
down the tap (if peered) or dropping packets in user space (in case of
vlan) when a NIC is stopped or otherwise shut down. Currently most (if
not all) NIC models seem
jvrao wrote:
Alexander Graf wrote:
On 12.04.2010, at 13:58, Jamie Lokier wrote:
Mohammed Gamal wrote:
On Mon, Apr 12, 2010 at 12:29 AM, Jamie Lokier ja...@shareable.org wrote:
Javier Guerra Giraldez wrote:
On Sat, Apr 10, 2010 at 7:42 AM, Mohammed Gamal m.gamal...@gmail.com
wrote:
On
On 4/13/10, Blue Swirl blauwir...@gmail.com wrote:
On 4/12/10, Paul Brook p...@codesourcery.com wrote:
A major reason for this deadlock could likely be removed by shutting
down the tap (if peered) or dropping packets in user space (in case of
vlan) when a NIC is stopped or otherwise
On Tue, 13 Apr 2010, Roy Tam wrote:
2010/4/13 Gerhard Wiesinger li...@wiesinger.com:
Hello,
I'm having a problem with a DOS application which uses a 286 DOS Extender,
error message is as the following:
unable to create task for execution
Interrupt 10 (Ah) while creating task: Invalid task
On Mon, 12 Apr 2010, Jamie Lokier wrote:
Mulyadi Santosa wrote:
Hi Gerhard...
On Sun, Apr 11, 2010 at 20:52, Gerhard Wiesinger li...@wiesinger.com wrote:
OK, uses the following ports:
Port 0x20: 8259 interrupt controller
Port 0x40: 8253 timer
Interrupt 0x1A:
ah=0x00: fetches system timer
On Tue, Apr 13, 2010 at 9:08 PM, jvrao jv...@linux.vnet.ibm.com wrote:
jvrao wrote:
Alexander Graf wrote:
On 12.04.2010, at 13:58, Jamie Lokier wrote:
Mohammed Gamal wrote:
On Mon, Apr 12, 2010 at 12:29 AM, Jamie Lokier ja...@shareable.org
wrote:
Javier Guerra Giraldez wrote:
On Sat, Apr
On Tue, Apr 13, 2010 at 08:31:03PM +0200, Eric Dumazet wrote:
Le mardi 13 avril 2010 à 20:39 +0300, Michael S. Tsirkin a écrit :
When a socket with inflight tx packets is closed, we dont block the
close, we only delay the socket freeing once all packets were delivered
and freed.
On Tue, Apr 13, 2010 at 10:38:06PM +0200, Eric Dumazet wrote:
Le mardi 13 avril 2010 à 23:25 +0300, Michael S. Tsirkin a écrit :
On Tue, Apr 13, 2010 at 08:31:03PM +0200, Eric Dumazet wrote:
Le mardi 13 avril 2010 à 20:39 +0300, Michael S. Tsirkin a écrit :
When a socket with
When specifying ide devices using -device, the cmos information
which the bios depends on is not written. This patch generalizes
the cmos hd data setting for the existing code path and adds the
ability to call that code on a per machine, per ide drive basis.
This is important for older
Le mardi 13 avril 2010 à 17:36 +0200, Jan Kiszka a écrit :
Michael S. Tsirkin wrote:
The following situation was observed in the field:
tap1 sends packets, tap2 does not consume them, as a result
tap1 can not be closed.
And before that, tap1 may not be able to send further packets to
On Fri, Apr 09, 2010 at 10:49:50PM +0200, Stefan Weil wrote:
When argument checking is enabled, gcc throws this error:
error: format not a string literal and no format arguments
The patch rewrites the statement to satisfy the compiler.
Signed-off-by: Stefan Weil w...@mail.berlios.de
On Fri, Apr 09, 2010 at 10:49:51PM +0200, Stefan Weil wrote:
When argument checking is enabled, gcc throws this error:
error: format not a string literal and no format arguments
The patch rewrites the statement to satisfy the compiler.
It also removes a type cast which is not needed.
On Fri, Apr 09, 2010 at 10:49:52PM +0200, Stefan Weil wrote:
When argument checking is enabled, gcc throws this error:
error: format not a string literal and no format arguments
The patch rewrites the statement to satisfy the compiler.
Signed-off-by: Stefan Weil w...@mail.berlios.de
On Fri, Apr 09, 2010 at 10:49:53PM +0200, Stefan Weil wrote:
When argument checking is enabled, gcc throws this error:
error: format not a string literal and no format arguments
The patch rewrites the statement to satisfy the compiler.
Signed-off-by: Stefan Weil w...@mail.berlios.de
On Sun, Apr 11, 2010 at 02:09:57AM +0900, takas...@ops.dti.ne.jp wrote:
2nd arg of page_set_flags() should be start+size, but size.
Signed-off-by: Takashi YOSHII takas...@ops.dti.ne.jp
Thanks, applied.
---
linux-user/syscall.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
Hi,
I have Ubuntu on my host system and I am using following command on it, to
load kernel..
*qemu -kernel kernelimage -initrd initrd.img /dev/zero -append cmdline *
Was wondering, how can I share/copy files from host Ubuntu system to the one
with above command?
Someone mentioned using sshfs,
Gerhard Wiesinger wrote:
It is a non public, proprietary application which uses the Ergo Computing
286 DOS Extender. I guess some other application which use the same DOS
extender have the same problem. So best thing is to find another
application which uses the Ergo Computing 286 DOS
David S. Ahern wrote:
After a month of code refactoring and clean ups, etc, I thought I would
send along an update. The attached patch is relative to your ehci
branch; I also attached the full usb-ehci.c file for easier reading.
Thanks for your work! I applied it and once again merged git head
On 04/13/2010 05:35 PM, Jan Kiszka wrote:
David S. Ahern wrote:
After a month of code refactoring and clean ups, etc, I thought I would
send along an update. The attached patch is relative to your ehci
branch; I also attached the full usb-ehci.c file for easier reading.
Thanks for your
On Tue, Apr 13, 2010 at 08:31:03PM +0200, Eric Dumazet wrote:
Herbert Acked your patch, so I guess its OK, but I think it can be
dangerous.
The tun socket accounting was never designed to stop it from
flooding another tun interface. It's there to stop it from
transmitting above a destination
On Tue, Apr 13, 2010 at 02:26:10PM +0800, Roy Tam wrote:
2010/4/12 Gerhard Wiesinger li...@wiesinger.com:
3.) There is also a problem with the reported base memory under QEMM386
(HIMEM.SYS and EMM386.EXE is correct here). It is 646kB instead of 640kB.
Therefore base memory test fails. I
On 14.04.2010, at 01:50, David S. Ahern wrote:
On 04/13/2010 05:35 PM, Jan Kiszka wrote:
David S. Ahern wrote:
After a month of code refactoring and clean ups, etc, I thought I would
send along an update. The attached patch is relative to your ehci
branch; I also attached the full
On Tue, Apr 13, 2010 at 08:48:35PM +0200, Bjørn Mork wrote:
Gleb Natapov g...@redhat.com writes:
On Sun, Feb 28, 2010 at 02:39:04PM -0500, Kevin O'Connor wrote:
On Sun, Feb 21, 2010 at 04:18:38PM -0700, Brandon Bennett wrote:
I have narrowed it down to SMBIOS. If I disable CONFIG_SMBIOS
On 04/11/2010 03:29 PM, Michael S. Tsirkin wrote:
The following changes since commit f7e2aca83419dde3c94fa1d5e615581bb4ded9c0:
tcg/ppc: Fix typo (2010-04-06 03:10:03 +0400)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/mst/qemu.git for_anthony
On 04/13/2010 07:20 PM, Alexander Graf wrote:
It still needs a lot of love, but definitely an improvement from the
last version. The biggest difference for the performance boost and
stability is discovering that the usbfs in linux limits transactions to
16k versus the EHCI spec which allows
Hello,
These patches rework the way ports are announced to the guests. A
control message is used to let the guest know a new port is
added. Initial port discovery and port hot-plug work via this way now.
This was done to have the host and guest port numbering in sync to
avoid surprises after
The target could be started with max_nr_ports for a virtio-serial device
lesser than what was available on the source machine. Fail the migration
in such a case.
Signed-off-by: Amit Shah amit.s...@redhat.com
Reported-by: Juan Quintela quint...@redhat.com
---
hw/virtio-serial-bus.c | 13
The number of ports on the source as well as the destination machines
should match. If they don't, it means some ports that got hotplugged on
the source aren't instantiated on the destination. Or that ports that
were hot-unplugged on the source are created on the destination.
Signed-off-by: Amit
The virtio-serial code doesn't mix declarations and definitions, so
separate them out on different lines.
Signed-off-by: Amit Shah amit.s...@redhat.com
---
hw/virtio-serial-bus.c |5 -
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/hw/virtio-serial-bus.c
If some ports that were hot-plugged on the source are not available on
the destination, fail migration instead of trying to deref a NULL
pointer.
Signed-off-by: Amit Shah amit.s...@redhat.com
Reported-by: Juan Quintela quint...@redhat.com
---
hw/virtio-serial-bus.c |7 +++
1 files
The check for a 0-sized write request to a guest port is not necessary;
the while loop below won't be executed in this case and all will be
fine.
Signed-off-by: Amit Shah amit.s...@redhat.com
---
hw/virtio-serial-bus.c |3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git
Allow the port 'id's to be set by a user on the command line. This is
needed by management apps that will want a stable port numbering scheme
for hot-plug/unplug and migration.
Since the port numbers are shared with the guest (to identify ports in
control messages), we just send a control message
Signed-off-by: Amit Shah amit.s...@redhat.com
---
hw/virtio-console.c|2 +-
hw/virtio-serial-bus.c |2 +-
hw/virtio-serial.h |2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/virtio-console.c b/hw/virtio-console.c
index 17b221d..6b8 100644
---
If adding of ports or devices in the guest fails we can send out a QMP
event so that management software can deal with it.
Signed-off-by: Amit Shah amit.s...@redhat.com
---
hw/virtio-serial-bus.c | 10 ++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git
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